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iShares Trust Supplement dated October 1, 2026 to the currently effective Prospectus, Summary Prospectus and Statement of Additional Information (“SAI”) for the iShares Large Cap 10% Target Buffer Sep ETF (STEN), iShares Large Cap Max Buffer Sep ETF (SMAX) and iShares Large Cap Accelerated Outcome ETF (TWOX) (each, a “Fund”)

As described in the Fund’s Prospectus, Summary Prospectus and SAI, each Fund seeks to provide certain outcomes for an investment held over an entire Outcome Period. Capitalized terms have the meanings ascribed to them in each Fund’s Prospectus and SAI.

An investment in each Fund over the course of the Outcome Period is subject to such Fund’s Approximate Cap as set forth in the table below.

Fund (Ticker) Outcome Period Approximate Cap

iShares Large Cap 10% Target Buffer Sep ETF (STEN)

Oct. 1, 2026 to Sep. 30, 2027

19.25% (gross of management fee) 18.75% (net of management fee)

iShares Large Cap Max Buffer Sep ETF (SMAX)

Oct. 1, 2026 to Sep. 30, 2027

9.77% (gross of management fee) 9.27% (net of management fee)

iShares Large Cap Accelerated Outcome ETF (TWOX)

Oct. 1, 2026 to Dec. 31, 2026

6.90% (gross of management fee) 6.78% (net of management fee)

Each Fund’s Prospectus, Summary Prospectus and SAI are amended to revise all references to the Outcome Period and Approximate Cap, when applicable, to reflect the information above.

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-OC-Cap-1026

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 2

iShares Trust Supplement dated September 22, 2026 to the currently effective Summary Prospectus, Prospectus and Statement of Additional Information (“SAI”) for the iShares Large Cap 10% Target Buffer Sep ETF (STEN), iShares Large Cap Max Buffer Sep ETF (SMAX) and iShares Large Cap Accelerated Outcome ETF (TWOX) (each, a “Fund”)

The table below shows an estimated range for the Approximate Cap for each Fund’s upcoming Outcome Period as estimated by the Fund’s investment adviser using information available as of the date of this supplement. The estimate is unaudited, subject to certain limitations and subject to change, and each Fund is under no obligation to, and does not expect to, update the estimate. The final Approximate Cap for the upcoming Outcome Period, which may be more or less than the estimated ranges, will be included in a supplement filing following the close of business on the last business day of the current Outcome Period.

Fund (Ticker) Upcoming Outcome Period Estimated Approximate Cap Range

iShares Large Cap 10% Target Buffer Sep ETF (STEN)

Oct. 1, 2026 to Sep. 30, 2027

18.20% - 20.26% (gross of management fee)

17.70% - 19.76% (net of management fee)

iShares Large Cap Max Buffer Sep ETF (SMAX)

Oct. 1, 2026 to Sep. 30, 2027

8.88% - 9.95% (gross of management fee)

8.38% - 9.45% (net of management fee)

iShares Large Cap Accelerated Outcome ETF (TWOX)

Oct. 1, 2026 to Dec. 31, 2026

6.25% - 8.17% (gross of management fee)

6.13% - 8.04% (net of management fee)

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-iCap-0926

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 3

iShares, Inc., iShares Trust, and iShares U.S. ETF Trust Supplement dated September 11, 2026 to the currently effective Statement of Additional Information (the “SAI”) for each series of iShares, Inc., iShares Trust, and iShares U.S. ETF Trust (each, a “Fund”)

Effectively immediately, the fifth paragraph of the “Payments by BFA and its Affiliates” subsection of the section entitled “Investment Advisory, Administrative and Distribution Services” of the SAI for each series is deleted in its entirety and replaced with the following:

In addition, BFA Entities have entered into other contractual arrangements with Intermediaries and certain other third parties that the BFA Entities believe may benefit the business of the BFA Entities or facilitate investment in the Fund or certain Products. Such agreements can include payments by BFA Entities to such Intermediaries and third parties for data collection and provision, technology support, platform enhancement, or educational content, co-marketing and cross-promotional efforts. In certain cases, such payments to Intermediaries are subject to certain minimum payment levels or tiered payments. With respect to certain funds and Products, payments by the BFA Entities may take the form of, among other things, “due diligence” payments for an Intermediary’s review of such funds and Products; payment for providing employee training and information relating to such funds and Products; fees for access (in some cases on a preferential basis) to an Intermediary’s registered representatives, salespersons or other personnel, fees for maintaining an Intermediary’s investor platform, “shelf space” payments for making such funds and Products available on the Intermediary’s platform or fees for providing assistance in promoting the sale of such funds and Products. In such cases, the payments to Intermediaries may be tiered or based on a percentage of the value of the funds and Products held by customers of the applicable Intermediary and may also be subject to minimum payment levels. Payments made pursuant to such arrangements may vary in any year and may be different for different Intermediaries and third parties and may reflect different services provided. As of the date of this SAI, the Intermediaries and other third parties (or their respective affiliates) receiving one or more types of the contractual payments described above include (in addition to FBS and NFS): &Partners, Advisor Credit Exchange, AE Wealth Management, LLC, American Enterprise Investment Services, Inc., Avantax Investment Services, Inc., BNY Mellon Capital Markets, LLC, BNY Mellon Performance & Risk Analytics, LLC, Cetera Financial Group, Inc., Charles Schwab & Co., Inc., Clearstream Fund Centre AG, Commonwealth Equity Services, LLC, Dorsey Wright and Associates, LLC, Dynasty Financial Partners LLC, E*Trade Securities LLC, Envestnet Asset Management, Inc., Equitable Advisors, LLC, iCapital Markets LLC, Interactive Brokers LLC, LPL Financial LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, MML Investors Services, LLC, Morgan Stanley Smith Barney LLC, Northwestern Mutual Investment Services, LLC, Orion Portfolio Solutions, LLC, Pershing LLC, Raymond James Financial Services, Inc., Riskalyze, Inc., Rockefeller Financial LLC, Sanctuary Wealth Group, LLC, UBS Financial Services Inc., Wells Fargo Clearing Services, LLC and Wells Fargo Advisors Financial Network, LLC. Any additions, modifications, or deletions to Intermediaries and other third parties listed above that have occurred since the date of this SAI are not included in the list.

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-IntermSAI-0926

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 4

iShares ®

iShares, Inc., iShares Trust, and iShares U.S. ETF Trust

Supplement dated July 2, 2026 to the currently effective Statement of Additional Information (the “SAI”) for each series of iShares, Inc., iShares Trust, and iShares U.S. ETF Trust (each, a “Fund”)

In addition, BFA Entities have entered into other contractual arrangements with Intermediaries and certain other third parties that the BFA Entities believe may benefit the business of the BFA Entities or facilitate investment in the Fund or certain Products. Such agreements can include payments by BFA Entities to such Intermediaries and third parties for data collection and provision, technology support, platform enhancement, or educational content, co-marketing and cross-promotional efforts. In certain cases, such payments to Intermediaries are subject to certain minimum payment levels or tiered payments. With respect to certain funds and Products, payments by the BFA Entities may take the form of, among other things, “due diligence” payments for an Intermediary’s review of such funds and Products; payment for providing employee training and information relating to such funds and Products; fees for access (in some cases on a preferential basis) to an Intermediary’s registered representatives, salespersons or other personnel, fees for maintaining an Intermediary’s investor platform, “shelf space” payments for making such funds and Products available on the Intermediary’s platform or fees for providing assistance in promoting the sale of such funds and Products. In such cases, the payments to Intermediaries may be tiered or based on a percentage of the value of the funds and Products held by customers of the applicable Intermediary and may also be subject to minimum payment levels. Payments made pursuant to such arrangements may vary in any year and may be different for different Intermediaries and third parties and may reflect different services provided. As of the date of this SAI, the Intermediaries and other third parties (or their respective affiliates) receiving one or more types of the contractual payments described above include (in addition to FBS and NFS): &Partners, Advisor Credit Exchange, AE Wealth Management, LLC, American Enterprise Investment Services, Inc., Avantax Investment Services, Inc., BNY Mellon Capital Markets, LLC, BNY Mellon Performance & Risk Analytics, LLC, Cetera Financial Group, Inc., Charles Schwab & Co., Inc., Clearstream Fund Centre AG, Commonwealth Equity Services, LLC, Dorsey Wright and Associates, LLC, Dynasty Financial Partners LLC, E*Trade Securities LLC, Envestnet Asset Management, Inc., iCapital Markets LLC, Interactive Brokers LLC, LPL Financial LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, MML Investors Services, LLC, Morgan Stanley Smith Barney LLC, Northwestern Mutual Investment Services, LLC, Orion Portfolio Solutions, LLC, Pershing LLC, Raymond James Financial Services, Inc., Riskalyze, Inc., Rockefeller Financial LLC, Sanctuary Wealth Group, LLC, UBS Financial Services Inc., Wells Fargo Clearing Services, LLC and Wells Fargo Advisors Financial Network, LLC. Any additions, modifications, or deletions to Intermediaries and other third parties listed above that have occurred since the date of this SAI are not included in the list.

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-IntermSAI-0626

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 5

iShares ®

iShares Trust Supplement dated July 1, 2026 to the currently effective Prospectus, Summary Prospectus and Statement of Additional Information (“SAI”) for the iShares Large Cap Accelerated Outcome ETF (TWOX), iShares Large Cap 10% Target Buffer Jun ETF (TENJ) and iShares Large Cap Max Buffer Jun ETF (MAXJ) (each, a “Fund”)

An investment in each Fund over the course of the Outcome Period is subject to such Fund’s Approximate Cap as set forth in the table below.

Fund (Ticker) Outcome Period Approximate Cap iShares Large Cap Accelerated Outcome ETF (TWOX)

Jul. 1, 2026 to Sep. 30, 2026

7.54% (gross of management fee) 7.41% (net of management fee)

iShares Large Cap 10% Target Buffer Jun ETF (TENJ)

Jul. 1, 2026 to Jun. 30, 2027

19.02% (gross of management fee) 18.52% (net of management fee)

iShares Large Cap Max Buffer Jun ETF (MAXJ)

Jul. 1, 2026 to Jun. 30, 2027

8.54% (gross of management fee) 8.04% (net of management fee)

Each Fund’s Prospectus, Summary Prospectus and SAI are amended to revise all references to the Outcome Period and Approximate Cap, when applicable, to reflect the information above.

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-OC-Cap-0626

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 6

iShares ®

iShares Trust Supplement dated June 23, 2026 to the currently effective Summary Prospectus, Prospectus and Statement of Additional Information (“SAI”) for the iShares Large Cap 10% Target Buffer Jun ETF (TENJ), iShares Large Cap Max Buffer Jun ETF (MAXJ) and iShares Large Cap Accelerated Outcome ETF (TWOX) (each, a “Fund”)

Fund (Ticker) Upcoming Outcome Period

Estimated Approximate Cap Range

iShares Large Cap 10% Target Buffer Jun ETF (TENJ)

Jul. 1, 2026 to Jun. 30, 2027

17.55% - 19.59% (gross of management fee) 17.05% - 19.09% (net of management fee)

iShares Large Cap Max Buffer Jun ETF (MAXJ)

Jul. 1, 2026 to Jun. 30, 2027

7.55% - 8.59% (gross of management fee) 7.05% - 8.09% (net of management fee)

iShares Large Cap Accelerated Outcome ETF (TWOX)

Jul. 1, 2026 to Sep. 30, 2026

6.07% - 7.99% (gross of management fee) 5.95% - 7.86% (net of management fee)

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-iCap-0626

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 7

iShares ®

iShares Trust Supplement dated April 1, 2026 to the currently effective Prospectus, Summary Prospectus and Statement of Additional Information (“SAI”) for the iShares Large Cap Accelerated Outcome ETF (TWOX), iShares Large Cap 10% Target Buffer Mar ETF (TENM) and iShares Large Cap Max Buffer Mar ETF (MMAX) (each, a “Fund”)

An investment in each Fund over the course of the Outcome Period is subject to such Fund’s Approximate Cap as set forth in the table below.

Fund (Ticker) Outcome Period Approximate Cap

iShares Large Cap Accelerated Outcome ETF (TWOX)

Apr. 1, 2026 to Jun. 30, 2026

8.14% (gross of management fee)

8.02% (net of management fee)

iShares Large Cap 10% Target Buffer Mar ETF (TENM)

Apr. 1, 2026 to Mar. 31, 2027

18.89% (gross of management fee)

18.39% (net of management fee)

iShares Large Cap Max Buffer Mar ETF (MMAX)

Apr. 1, 2026 to Mar. 31, 2027

7.02% (gross of management fee)

6.52% (net of management fee)

Each Fund’s Prospectus, Summary Prospectus and SAI are amended to revise all references to the Outcome Period and Approximate Cap, when applicable, to reflect the information above.

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A- OC-Cap-0426

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 8

iShares ®

iShares Trust Supplement dated March 24, 2026 to the currently effective Summary Prospectus, Prospectus and Statement of Additional Information (“SAI”) for the iShares Large Cap Accelerated Outcome ETF (TWOX), iShares Large Cap 10% Target Buffer Mar ETF (TENM) and iShares Large Cap Max Buffer Mar ETF (MMAX) (each, a “Fund”)

Fund (Ticker) Upcoming Outcome Period Estimated Approximate Cap Range

iShares Large Cap Accelerated Outcome ETF (TWOX)

Apr. 1, 2026 to Jun. 30, 2026

6.70% - 9.20% (gross of management fee) 6.57% - 9.07% (net of management fee)

iShares Large Cap 10% Target Buffer Mar ETF (TENM)

Apr. 1, 2026 to Mar. 31, 2027

16.75% - 19.25% (gross of management fee) 16.25% - 18.75% (net of management fee)

iShares Large Cap Max Buffer Mar ETF (MMAX)

Apr. 1, 2026 to Mar. 31, 2027

6.80% - 7.90% (gross of management fee) 6.30% - 7.40% (net of management fee)

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-iCap-0326

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 9

iShares ®

iShares Trust Supplement dated January 2, 2026 to the currently effective Prospectus, Summary Prospectus and Statement of Additional Information (“SAI”) for the iShares Large Cap Accelerated Outcome ETF (TWOX), iShares Large Cap 10% Target Buffer Dec ETF (TEND) and iShares Large Cap Max Buffer Dec ETF (DMAX) (each, a “Fund”)

An investment in each Fund over the course of the Outcome Period is subject to such Fund’s Approximate Cap as set forth in the table below.

Fund (Ticker) Outcome Period Approximate Cap

iShares Large Cap Accelerated Outcome ETF (TWOX)

Jan. 1, 2026 to Mar. 31, 2026

6.34% (gross of management fee) 6.22% (net of management fee)

iShares Large Cap 10% Target Buffer Dec ETF (TEND)

Jan. 1, 2026 to Dec. 31, 2026

16.65% (gross of management fee) 16.15% (net of management fee)

iShares Large Cap Max Buffer Dec ETF (DMAX)

Jan. 1, 2026 to Dec. 31, 2026

6.80% (gross of management fee) 6.30% (net of management fee)

Each Fund’s Prospectus, Summary Prospectus and SAI are amended to revise all references to the Outcome Period and Approximate Cap, when applicable, to reflect the information above.

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-TWOX+ TEND+ DMAX -Cap-0126

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 10

iShares ®

iShares Trust Supplement dated December 23, 2025 to the currently effective Summary Prospectus, Prospectus and Statement of Additional Information (“SAI”) for the iShares Large Cap Accelerated Outcome ETF (TWOX), iShares Large Cap 10% Target Buffer Dec ETF (TEND) and iShares Large Cap Max Buffer Dec ETF (DMAX) (each, a “Fund”)

Fund (Ticker)

Upcoming Outcome Period Estimated Approximate Cap Range iShares Large Cap Accelerated Outcome ETF (TWOX)

Jan. 1, 2026 to Mar. 31, 2026

5.06% - 7.56% (gross of management fee) 4.93% - 7.43% (net of management fee)

iShares Large Cap 10% Target Buffer Dec ETF (TEND)

Jan. 1, 2026 to Dec. 31, 2026

15.43% - 17.93% (gross of management fee) 14.93% -17.43% (net of management fee)

iShares Large Cap Max Buffer Dec ETF (DMAX)

Jan. 1, 2026 to Dec. 31, 2026

6.50% - 7.55% (gross of management fee) 6.00% - 7.05% (net of management fee)

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares ® is a registered trademark of BlackRock Fund Advisors and its affiliates. IS-A-iCap-1225

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Page 11

iShares ® Trust

Statement of Additional Information

Dated November 28, 2025

This combined Statement of Additional Information (“SAI”) is not a prospectus. It should be read in conjunction with the current prospectuses (each, a “Prospectus” and collectively, the “Prospectus”) for the following series of iShares Trust (the “Trust”):

Fund Ticker Listing Exchange

iShares Large Cap Accelerated Outcome ETF TWOX Cboe BZX iShares Large Cap Max Buffer Mar ETF MMAX Cboe BZX iShares Large Cap Max Buffer Jun ETF MAXJ Cboe BZX iShares Large Cap Max Buffer Sep ETF SMAX Cboe BZX iShares Large Cap Max Buffer Dec ETF DMAX Cboe BZX

The Prospectus for the above-listed funds (each, a “Fund” and together, the “Funds”) is dated November 28, 2025, as amended and supplemented from time to time. Capitalized terms used herein that are not defined have the same meaning as in the Prospectus, unless otherwise noted. The Financial Statements and Notes contained in the applicable Annual Report and Semi-Annual Report of the Trust for the Funds are incorporated by reference into and are deemed to be part of this SAI. A copy of each Fund's Prospectus, Annual Report and Semi-Annual Report, as applicable, may be obtained without charge by writing to the Trust's distributor, BlackRock Investments, LLC (the “Distributor” or “BRIL”), 1 University Square Drive, Princeton, NJ 08540, calling 1-800-iShares (1-800-4742737) or visiting www.iShares.com. Each Fund's Prospectus is incorporated by reference into this SAI.

References to the Investment Company Act of 1940, as amended (the “Investment Company Act” or the “1940 Act”), or other applicable law, will include any rules promulgated thereunder and any guidance, interpretations or modifications by the Securities and Exchange Commission (the “SEC”), SEC staff or other authority with appropriate jurisdiction, including court interpretations, and exemptive, no action or other relief or permission from the SEC, SEC staff or other authority.

iShares ® and BlackRock ® are registered trademarks of BFA and its affiliates.

Page 12

TABLE OF CONTENTS

Page

General Description of the Trust and its Funds 1 Exchange Listing and Trading 2

Investment Strategies and Risks of the Funds 2

Additional Information Regarding FLEX Options 2

Borrowing 3

Diversification Status 3

Equity Securities 3

Futures, Options on Futures and Securities Options 4

Investments in Underlying Funds 5

Lending Portfolio Securities 5 Liquidity Risk Management 6

Regulation Regarding Derivatives 7

Securities of Investment Companies 8 Short-Term Instruments and Temporary Investments 8

Tracking Stocks 8

Future Developments 8

General Considerations and Risks 8

Borrowing Risk 9

Illiquid Investments Risk 9

Infectious Illness Risk 9 Money Market Instruments Risk 9

Operational and Technology Risks 9

Risk of Derivatives 10

Risks of Equity Securities 11

Risk of Futures and Options on Futures Transactions 11

Tracking Error Risk 11

Risk of Investing in the U.S 12

Risk of Investing in the Consumer Discretionary Sector 12

Risk of Investing in the Consumer Staples Sector 12

Risk of Investing in the Energy Sector 13

Risk of Investing in the Financials Sector 13

Risk of Investing in the Healthcare Sector 14 Risk of Investing in the Industrials Sector 15

Risk of Investing in the Materials Sector 15

Risk of Investing in the Real Estate Industry 15

Risk of Investing in Technology Companies 17

Page 13

Page

Risk of Investing in the Utilities Sector 17

Proxy Voting Policies 17

Portfolio Holdings Information 18

Investment Policies 19

Continuous Offering 21

Management 22

Trustees and Officers 22

Committees of the Board of Trustees 30

Remuneration of Trustees and Advisory Board Members 35

Control Persons and Principal Holders of Securities 36

Conflicts of Interest 37

Investment Advisory, Administrative and Distribution Services 46

Investment Adviser 46

Portfolio Managers 47

Codes of Ethics 49

Anti-Money Laundering Requirements 49

Administrator, Custodian and Transfer Agent 49

Distributor 50

Securities Lending 50

Payments by BFA and its Affiliates 53

Determination of Net Asset Value 55 Brokerage Transactions 57

Additional Information Concerning the Trust 60

Shares 60

DTC as Securities Depository for Shares of the Funds 61

Distribution of Shares 62

Creation and Redemption of Creation Units 62

General 62

Fund Deposit 63

Cash Purchase Method 64

Procedures for Creation of Creation Units 64

Role of the Authorized Participant 64

Placement of Creation Orders 64 Purchase Orders 65

Timing of Submission of Purchase Orders 65

Acceptance of Orders for Creation Units 65

Issuance of a Creation Unit 66

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Page

Costs Associated with Creation Transactions 66

Redemption of Creation Units 67

Cash Redemption Method 68

Costs Associated with Redemption Transactions 68

Placement of Redemption Orders 69

Custom Baskets 70

Taxation on Creations and Redemptions of Creation Units 70

Taxes 71

Regulated Investment Company Qualifications 71

Taxation of RICs 71

Excise Tax 72

Net Capital Loss Carryforwards 72

Taxation of U.S. Shareholders 72

Sales of Shares 73

Backup Withholding 74

Sections 351 and 362 74

Treatment of the FLEX Options 74

Taxation of Certain Derivatives 74

Qualified Dividend Income 75

Corporate Dividends Received Deduction 75

Excess Inclusion Income 76

Reporting 76

Other Taxes 76

Taxation of Non-U.S. Shareholders 76

Financial Statements 77

Miscellaneous Information 78

Counsel 78

Independent Registered Public Accounting Firm 78

Shareholder Communications to the Board 78

Investors’ Rights 78

Appendix A - Proxy Voting Policies A-1

iii

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General Description of the Trust and its Funds

The Trust currently consists of more than 355 investment series or portfolios. The Trust was organized as a Delaware statutory trust on December 16, 1999 and is authorized to have multiple series or portfolios. The Trust is an open-end management investment company registered with the SEC under the 1940 Act. The offering of the Trust’s shares is registered under the Securities Act of 1933, as amended (the “1933 Act”). This SAI relates to the following Funds: • iShares Large Cap Accelerated Outcome ETF 1

• iShares Large Cap Max Buffer Mar ETF • iShares Large Cap Max Buffer Jun ETF • iShares Large Cap Max Buffer Sep ETF

• iShares Large Cap Max Buffer Dec ETF

1 On April 17, 2025, the name of the Fund changed from the iShares Large Cap Accelerated ETF to the iShares Large Cap Accelerated Outcome ETF.

The iShares Large Cap Accelerated Outcome ETF seeks to provide approximately twice the positive share price return of the iShares Core S&P 500 ETF (the “Underlying Fund” or “Underlying Fund”), up to an approximate upside limit, while seeking to approximately track the negative share price return of the Underlying Fund, over each full calendar quarter.

The iShares Large Cap Max Buffer Mar ETF seeks to track the share price return of the Underlying Fund up to an approximate upside limit, while seeking to maximize the downside protection against price declines of the Underlying Fund over an approximate 12-month period beginning at the end of each March.

The iShares Large Cap Max Buffer Jun ETF seeks to track the share price return of the Underlying Fund up to an approximate upside limit, while seeking to maximize the downside protection against price declines of the Underlying Fund over an approximate 12-month period beginning at the end of each June.

The iShares Large Cap Max Buffer Sep ETF seeks to track the share price return of the Underlying Fund up to an approximate upside limit, while seeking to maximize the downside protection against price declines of the Underlying Fund over an approximate 12-month period beginning at the end of each September.

The iShares Large Cap Max Buffer Dec ETF seeks to track the share price return of the Underlying Fund up to an approximate upside limit, while seeking to maximize the downside protection against price declines of the Underlying Fund over an approximate 12-month period beginning at the end of each December.

BlackRock Fund Advisors (“BFA”) serves as investment adviser to the Funds, and BFA or its affiliates serves as investment adviser to the Underlying Fund.

Each Fund offers and issues shares at its net asset value per share (“NAV”) only in aggregations of a specified number of shares (each, a “Creation Unit”), generally in exchange for a designated portfolio of securities (including any portion of such securities for which cash may be substituted) (the “Deposit Securities” or “Creation Basket”), together with the deposit of a specified cash payment (the “Cash Component”). Shares of each Fund are listed for trading on the Cboe BZX Exchange, Inc. (“Cboe BZX”), a national securities exchange. Shares of each Fund are traded in the secondary market and elsewhere at market prices that may be at, above or below the Fund’s NAV. Shares are redeemable only in Creation Units, and, generally, in exchange for portfolio securities and a Cash Amount (as defined in the Redemption of Creation Units section of this SAI). Creation Units typically are a specified number of shares, generally 40,000 or multiples thereof.

The Trust reserves the right to permit or require that creations and redemptions of shares are effected fully or partially in cash and reserves the right to permit or require the substitution of Deposit Securities in lieu of cash. Shares may be issued in advance of receipt of Deposit Securities, subject to various conditions, including a requirement that the Authorized Participant maintain with the Trust collateral as set forth in the handbook for Authorized Participants. The Trust may use such collateral at any time to purchase Deposit Securities. See the Creation and Redemption of Creation Units section of this SAI. Transaction fees and other costs associated with creations or redemptions that include a cash portion may be higher than the transaction fees and other costs associated with in-kind creations or redemptions. In all cases, conditions with

Page 16

respect to creations and redemptions of shares and fees will be limited in accordance with the requirements of SEC rules and regulations applicable to management investment companies offering redeemable securities.

Exchange Listing and Trading

A discussion of exchange listing and trading matters associated with an investment in each Fund is contained in the Shareholder Information section of each Fund’s Prospectus. The discussion below supplements, and should be read in conjunction with, that section of the Prospectus.

Shares of each Fund are listed for trading, and trade throughout the day, on the Listing Exchange and in other secondary markets. Shares of the Funds may also be listed on certain non-U.S. exchanges. There can be no assurance that the requirements of the Listing Exchange necessary to maintain the listing of shares of any Fund will continue to be met. The Listing Exchange may, but is not required to, remove the shares of a Fund from listing if, among other things: (i) following the initial 12-month period beginning upon the commencement of trading of Fund shares, there are fewer than 50 record and/or beneficial owners of shares of a Fund; (ii) a Fund is no longer eligible to operate in reliance on Rule 6c-11 under the Investment Company Act; (iii) any of the other listing requirements are not continuously maintained; or (iv) any event shall occur or condition shall exist that, in the opinion of the Listing Exchange, makes further dealings on the Listing Exchange inadvisable. The Listing Exchange will also remove shares of a Fund from listing and trading upon termination of the Fund.

As in the case of other publicly-traded securities, when you buy or sell shares of a Fund through a broker, you may incur a brokerage commission determined by that broker, as well as other charges.

The Trust reserves the right to adjust the share price of the Funds in the future to maintain convenient trading ranges for investors. Any adjustments would be accomplished through stock splits or reverse stock splits, which would have no effect on the net assets of the Funds or an investor’s equity interest in the Funds.

Investment Strategies and Risks of the Funds

Additional Information Regarding FLEX Options. Certain investment strategies include investing in Flexible Exchange Options or “FLEX Options.” FLEX Options are customized option contracts that are listed on U.S. national securities exchanges and are guaranteed for settlement by the Options Clearing Corporation (“OCC”). FLEX Options provide investors with the ability to customize assets referenced by the options, exercise prices, exercise styles ( i.e ., American-style, exercisable any time prior to the expiration date, or European-style, exercisable only on the option expiration date) and expiration dates, while achieving price discovery in competitive, transparent auctions markets and avoiding the counterparty exposure of over the-counter (“OTC”) options positions.

The OCC guarantees the performance by each of the counterparties to FLEX Options, reducing counterparty risk for clearing members and options traders. However, FLEX Options are still subject to counterparty risk with respect to the OCC. A Fund that holds FLEX Options bears the risk that the OCC will be unable or unwilling to perform its obligations under the FLEX Options contracts due to bankruptcy or other adverse events.

Adjustments may be made to the FLEX Options for certain corporate action events specified in the OCC’s by-laws and rules. These events include certain stock dividends or distributions, stock splits, reverse stock splits, rights offerings, distributions, reorganizations, recapitalizations, or reclassifications with respect to an underlying security, or a merger, consolidation, dissolution or liquidation of the issuer of the underlying security. The OCC’s Securities Committee determines the nature and extent of any such adjustment in light of the circumstances known to it at the time such determination is made, based on its judgment as to what is appropriate for the protection of investors and the public interest. The Securities Committee takes into account such factors as fairness to holders and writers (or purchasers and sellers) of the affected options, the maintenance of a fair and orderly market in the affected options, consistency of interpretation and practice, efficiency of exercise settlement procedures, and the coordination with other clearing agencies of the clearance and settlement of transactions in the underlying interest.

Generally, the value of an option will reflect, among other things, the time remaining until expiration, the relationship of the exercise price to the market price of the asset on which the option is written (or the reference asset), and general market conditions. Options that expire unexercised have no value.

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Each U.S. options exchange has established limits on the number of call or put options on the same asset that may be bought or written by a single investor, whether acting alone or in concert with others (regardless of whether such options are written on the same or different exchanges or are held or written on one or more accounts or through one or more brokers). The options positions held by all investment companies advised by BFA are combined for purposes of these limits. Pursuant to these limitations, an exchange may order the liquidation of positions and may impose other sanctions or restrictions. These position limits may restrict the number of listed options that a Fund may buy or sell.

Although a Fund will generally utilize FLEX Options that are physically settled, a Fund may also utilize FLEX Options that are cash-settled. Cash-settled options give the holder the right to receive an amount (or owe an amount) of cash upon the exercise of the option. The gain or loss depends on changes in the value of the reference asset relative to the option’s strike price. The amount of cash is equal to the difference between the closing price of the reference asset and the exercise price of the option contract times a specified multiple (“multiplier”), which determines the total value for each point of such difference.

If a Fund has purchased an option and exercises it before the closing value for that day is available, it runs the risk that the value of the reference asset may subsequently change. If such a change causes the exercised option to fall out of the money, the Fund will be required to pay the difference between the closing reference asset value and the exercise price of the option (times the applicable multiplier) to the assigned writer.

Borrowing. Each Fund may borrow for temporary or emergency purposes, including to meet payments due from redemptions or to facilitate the settlement of securities or other transactions.

The purchase of securities while borrowings are outstanding may have the effect of leveraging a Fund. The incurrence of leverage increases a Fund’s exposure to risk, and borrowed funds are subject to interest costs that will reduce net income. Purchasing securities while borrowings are outstanding creates special risks, such as the potential for greater volatility in the NAV of Fund shares and in the yield on a Fund’s portfolio. In addition, the interest expenses from borrowings may exceed the income generated by a Fund’s portfolio and, therefore, the amount available (if any) for distribution to shareholders as dividends may be reduced. BFA may determine to maintain outstanding borrowings if it expects that the benefits to a Fund’s shareholders will outweigh the current reduced return.

Certain types of borrowings by a Fund must be made from a bank or may result in a Fund being subject to covenants in credit agreements relating to asset coverage, portfolio composition requirements and other matters. It is not anticipated that observance of such covenants would impede BFA’s management of a Fund’s portfolio in accordance with a Fund’s investment objectives and policies. However, a breach of any such covenants not cured within the specified cure period may result in acceleration of outstanding indebtedness and require a Fund to dispose of portfolio investments at a time when it may be disadvantageous to do so.

Diversification Status. Each Fund is classified as “non-diversified.” A “non-diversified” fund is a fund that is not limited by the 1940 Act with regard to the percentage of its assets that may be invested in the securities of a single issuer. The securities of a particular issuer (or securities of issuers in particular industries) may constitute a significant percentage of a fund’s investment portfolio. This may adversely affect a fund’s performance or subject the fund’s shares to greater price volatility than that experienced by more diversified investment companies.

Each Fund intends to maintain the required level of diversification and otherwise conduct its operations so as to qualify as a regulated investment company (“RIC”) for purposes of the U.S. Internal Revenue Code of 1986, as amended (the “Internal Revenue Code”), and to relieve the Fund of any liability for U.S. federal income tax to the extent that its earnings are distributed to shareholders, provided that the Fund satisfies a minimum distribution requirement. Compliance with the diversification requirements of the Internal Revenue Code may limit the investment flexibility of the Fund and may make it less likely that the Fund will meet its investment objective.

Equity Securities. Equity securities generally have greater price volatility than fixed-income securities. The market price of equity securities may go up or down, sometimes rapidly or unpredictably. Equity securities may decline in value due to factors affecting equity securities markets generally; particular industries, sectors or geographic regions represented in those markets; or individual issuers. The types of developments that may affect an issuer of an equity security include management performance, financial leverage and reduced demand for the issuer’s goods or services. Common and preferred stock

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represent equity or ownership interests in an issuer. Preferred stock, however, pays dividends at a specified rate and has precedence over common stock in the payment of dividends. In the event an issuer is liquidated or declares bankruptcy, the claims of owners of bonds and preferred stock take precedence over the claims of those who own common stock.

Futures, Options on Futures and Securities Options. Futures contracts, options on futures and securities options may be used by a Fund and the Underlying Fund to access its investable universe, simulate investments that would otherwise be eligible, facilitate trading or to reduce transaction costs. Each Fund or the Underlying Fund may enter into futures contracts and options on futures that are traded on a U.S. or non-U.S. futures exchange. Each Fund or the Underlying Fund will not use futures, options on futures or securities options for speculative purposes. Each Fund and the Underlying Fund intend to use futures and options on futures in accordance with Rule 4.5 of the Commodity Futures Trading Commission (the “CFTC”) promulgated under the Commodity Exchange Act (“CEA”). BFA, with respect to the Underlying Fund, has claimed an exclusion from the definition of the term “commodity pool operator” in accordance with Rule 4.5 so that BFA, with respect to such Funds or the Underlying Fund, is not subject to registration or regulation as a commodity pool operator under the CEA. See the Regulation Regarding Derivatives section of this SAI for more information.

Futures contracts provide for the future sale by one party and purchase by another party of a specified amount of a specific instrument or index at a specified future time and at a specified price. Stock index contracts are based on investments that reflect the market value of common stock of the firms included in the investments. Each Fund or the Underlying Fund may enter into futures contracts to purchase securities indexes when BFA anticipates purchasing the underlying securities and believes prices will rise before the purchase will be made. Upon entering into a futures contract, a Fund or the Underlying Fund will be required to deposit with the broker an amount of cash or cash equivalents known as “initial margin,” which is similar to a performance bond or good faith deposit on the contract and is returned to the Fund or the Underlying Fund upon termination of the futures contract if all contractual obligations have been satisfied. Subsequent payments, known as “variation margin,” will be made to and from the broker daily as the price of the instrument or index underlying the futures contract fluctuates, making the long and short positions in the futures contract more or less valuable, a process known as “marking-to-market.” At any time prior to the expiration of a futures contract, each Fund or the Underlying Fund may elect to close the position by taking an opposite position, which will operate to terminate the Fund’s or the Underlying Fund’s existing position in the contract. An option on a futures contract, as contrasted with a direct investment in such a contract, gives the purchaser the right, but no obligation, in return for the premium paid, to assume a position in the underlying futures contract at a specified exercise price at any time prior to the expiration date of the option. Upon exercise of an option, the delivery of the futures position by the writer of the option to the holder of the option will be accompanied by delivery of the accumulated balance in the writer’s futures margin account that represents the amount by which the market price of the futures contract exceeds (in the case of a call) or is less than (in the case of a put) the exercise price of the option on the futures contract.

The potential for loss related to the purchase of an option on a futures contract is limited to the premium paid for the option plus transaction costs. Because the value of the option is fixed at the point of sale, there are no daily cash payments by the purchaser to reflect changes in the value of the underlying contract; however, the value of the option changes daily and that change would be reflected in the NAV of each Fund or the Underlying Fund. The potential for loss related to writing call options is unlimited. The potential for loss related to writing put options is limited to the agreed-upon price per share, also known as the “strike price,” less the premium received from writing the put. The Funds or the Underlying Fund may purchase and write put and call options on futures contracts that are traded on an exchange as a hedge against changes in value of their portfolio securities or in anticipation of the purchase of securities, and may enter into closing transactions with respect to such options to terminate existing positions. There is no guarantee that such closing transactions can be effected.

Securities options may be used by a Fund to obtain access to or dispose of securities that are otherwise eligible investments at favorable prices, to invest cash in a securities index that offers similar exposure to that being sought by the Fund or otherwise to achieve the Fund’s objective. A call option gives a holder the right to purchase a specific security at a specified price (“exercise price”) within a specified period of time. A put option gives a holder the right to sell a specific security at an exercise price within a specified period of time. The initial purchaser of a call option pays the “writer” a premium, which is paid at the time of purchase and is retained by the writer whether or not such option is exercised. Each Fund or the Underlying Fund may purchase put options to hedge its portfolio against the risk of a decline in the market value of securities held and may purchase call options to hedge against an increase in the price of securities it is committed to purchase. Each Fund or the Underlying Fund may write put and call options along with a long position in options to increase its ability to hedge against a change in the market value of the securities it holds or is committed to purchase. Each Fund or the Underlying Fund may purchase or sell securities options on a U.S. or non-U.S. securities exchange or in the OTC market

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through a transaction with a dealer. Options on a securities index are typically settled on a net basis based on the appreciation or depreciation of the index level over the strike price. Options on single name securities may be cash- or physically-settled, depending upon the market in which they are traded. Options may be structured so as to be exercisable only on certain dates or on a daily basis. Options may also be structured to have conditions to exercise ( i.e. , “Knock-in Events”) or conditions that trigger termination ( i.e. , “Knock-out Events”).

Investments in Underlying Funds. Each Underlying Fund is a type of investment company referred to as an exchange-traded fund (“ETF”). Each Underlying Fund is designed to track a particular index and is advised by BFA. Shares of the Underlying Funds are listed for trading on national securities exchanges and trade throughout the day on those exchanges and other secondary markets. There can be no assurance that the requirements of the national securities exchanges necessary to maintain the listing of shares of the Underlying Funds will continue to be met. A national securities exchange may, but is not required to, remove the shares of the Underlying Funds from listing if, among other things: (i) following the initial 12-month period beginning upon the commencement of trading of an Underlying Fund, there are fewer than 50 record and/or beneficial holders of the shares for 30 or more consecutive trading days, (ii) the value of an Underlying Fund’s underlying index is no longer calculated or available, or (iii) any other event shall occur or condition exist that, in the opinion of the national securities exchange, makes further dealings on the national securities exchange inadvisable. A national securities exchange will remove the shares of an Underlying Fund from listing and trading upon termination of such Underlying Fund. Shares of each Underlying Fund trade on exchanges at prices at, above or below their most recent NAV. The per share NAV of each Underlying Fund is calculated at the end of each business day and fluctuates with changes in the market value of such Underlying Fund’s holdings since the most recent calculation. The trading prices of an Underlying Fund’s shares fluctuate continuously throughout trading hours based on market supply and demand rather than NAV. The trading prices of an Underlying Fund’s shares may deviate significantly from NAV during periods of market volatility. Any of these factors may lead to an Underlying Fund’s shares trading at a premium or discount to NAV. Exchange prices are not expected to correlate exactly with an Underlying Fund’s NAV due to timing reasons as well as market supply and demand factors. In addition, disruptions to an Underlying Fund’s creations and redemptions or the existence of extreme market volatility may result in trading prices of Underlying Fund shares that differ significantly from NAV. If the Funds purchase shares of the Underlying Funds at a time when the market price of the Underlying Fund’s shares are at a premium to the NAV or sells at a time when the market price of the Underlying Fund is at a discount to the NAV, then the Funds may sustain losses.

As in the case of other publicly-traded securities, brokers’ commissions on buying or selling shares of the Underlying Funds will be based on negotiated commission rates at customary levels. An investment in an ETF generally presents the same primary risks as an investment in an open-end investment company that is not exchange-traded and that has the same investment objectives, strategies, and policies. However, ETFs are subject to the following risks that do not apply to an open end investment company that is not exchange-traded: (i) the market price of the ETF’s shares may trade at a discount to their net asset value; (ii) an active trading market for an ETF’s shares may not develop or be maintained; or (iii) trading of an ETF’s shares may be halted if the listing exchange’s officials deem such action appropriate, the shares are delisted from the exchange, or the activation of market-wide “circuit breakers” (which are tied to large swings in stock prices) halts stock trading generally.

Lending Portfolio Securities. Each Fund and the Underlying Fund may lend portfolio securities to certain borrowers that BFA determines to be creditworthy, including borrowers affiliated with BFA. The borrowers provide collateral that is maintained in an amount at least equal to the current market value of the securities loaned. No securities loan shall be made on behalf of a Fund or Underlying Fund if, as a result, the aggregate value of all securities loans of the particular Fund or Underlying Fund exceeds one-third of the value of such Fund’s or Underlying Fund’s total assets (including the value of the collateral received). A Fund or Underlying Fund may terminate a loan at any time and obtain the return of the securities loaned. Each Fund or Underlying Fund receives, by way of substitute payment, the value of any interest or cash or non-cash distributions paid on the loaned securities that it would have otherwise received if the securities were not on loan.

With respect to loans that are collateralized by cash, the borrower may be entitled to receive a fee based on the amount of cash collateral. The Funds are compensated by any positive difference between the amount earned on the reinvestment of cash collateral and the fee paid to the borrower. In the case of collateral other than cash, a Fund or Underlying Fund is compensated by a fee paid by the borrower equal to a percentage of the market value of the loaned securities. Any cash collateral received by the Fund or Underlying Fund for such loans, and uninvested cash, may be reinvested in certain short term instruments either directly on behalf of each Fund or Underlying Fund or through one or more joint accounts or money market funds, including those affiliated with BFA; such investments are subject to investment risk. Other investment

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companies in which a Fund or the Underlying Fund invests can be expected to incur fees and expenses for operations, such as investment advisory and administration fees, that would be in addition to those incurred by a Fund or the Underlying Fund.

Each Fund and Underlying Fund conducts its securities lending pursuant to an exemptive order from the SEC permitting it to lend portfolio securities to borrowers affiliated with the Fund or Underlying Fund and to retain an affiliate of the Fund or Underlying Fund to act as securities lending agent. To the extent that a Fund or Underlying Fund engages in securities lending, BlackRock Institutional Trust Company, N.A. (“BTC”) acts as securities lending agent for the Fund or Underlying Fund, subject to the overall supervision of BFA. BTC administers the lending program in accordance with guidelines approved by the Trust’s Board of Trustees (the “Board,” the trustees of which are the “Trustees”). JPMorgan Chase Bank, N.A. (“JPMorgan”) serves as custodian for the Funds in connection with certain securities lending activities.

Securities lending involves exposure to certain risks, including operational risk (i.e., the risk of losses resulting from problems in the settlement and accounting process), “gap” risk (i.e., the risk of a mismatch between the return on cash collateral reinvestments and the fees a Fund or Underlying Fund has agreed to pay a borrower), foreign exchange risk (i.e., the risk of a shortfall at default when a cash collateral investment is denominated in a currency other than the currency of the assets being loaned due to movements in foreign exchange rates), and credit, legal, counterparty and market risks (including the risk that market events, including but not limited to corporate actions, could lead the Fund or Underlying Fund to lend securities that are trading at a premium due to increased demand, or to recall loaned securities or to lend less or not at all, which could lead to reduced securities lending revenue). If a Fund were to lend out securities that are subject to a corporate action and commit to the borrower a particular election as determined by the Funds’ investment adviser, the benefit the Fund would receive in respect of committing to such election may or may not be less than the benefit the Fund would have received from making a different election in such corporate action. If a securities lending counterparty were to default, a Fund or Underlying Fund would be subject to the risk of a possible delay in receiving collateral or in recovering the loaned securities, or to a possible loss of rights in the collateral. In the event a borrower does not return a Fund’s or Underlying Fund’s securities as agreed, the Fund’s or Underlying Fund’s ability to participate in a corporate action event may be impacted, or the Fund or Underlying Fund may experience losses if the proceeds received from liquidating the collateral do not at least equal the value of the loaned security at the time the collateral is liquidated, plus the transaction costs incurred in purchasing replacement securities. This latter event could trigger adverse tax consequences for a Fund or Underlying Fund. A Fund or Underlying Fund could lose money if its short-term investment of the collateral declines in value over the period of the loan. Substitute payments received by a Fund or Underlying Fund representing dividends paid on securities loaned out by the Fund or Underlying Fund will not be considered qualified dividend income. BTC will take into account the tax effects on shareholders caused by this difference in connection with a Fund’s or Underlying Fund’s securities lending program. Substitute payments received on tax-exempt securities loaned out will not be tax-exempt income. There could also be changes in the status of issuers under applicable laws and regulations, including tax regulations, that may impact the regulatory or tax treatment of loaned securities and could, for example, result in a delay in the payment of dividend equivalent payments owed to a Fund or Underlying Fund (as permitted by applicable law).

Regulations adopted by global prudential regulators require certain bank-regulated counterparties and certain of their affiliates to include in certain financial contracts, including many securities lending agreements, terms that delay or restrict the rights of counterparties, such as the Fund or Underlying Fund, to terminate such agreements, foreclose upon collateral, exercise other default rights or restrict transfers of credit support in the event that the counterparty and/or its affiliates are subject to certain types of resolution or insolvency proceedings. It is possible that these requirements, as well as potential additional government regulation and other developments in the market, could adversely affect the Fund’s or Underlying Fund’s ability to terminate existing securities lending agreements or to realize amounts to be received under such agreements. Prudential regulation may also favor lenders that can provide additional protections, such as liens that are exercisable in connection with a lender default, to borrowers. Certain Funds expect to provide additional protections to borrowers, where permitted, pursuant to a Fund’s investment policies and if BFA believes doing so is in the best interest of the Fund.

Liquidity Risk Management. Rule 22e-4 under the Investment Company Act (the “Liquidity Rule”) requires open-end funds, including ETFs such as the Funds, to establish a liquidity risk management program (the “Liquidity Program”) and enhance disclosures regarding fund liquidity. As required by the Liquidity Rule, the Funds have implemented a Liquidity Program, and the Board, including a majority of the Independent Trustees of the Trust, has appointed BFA as the administrator of the Liquidity Program. Under the Liquidity Program, BFA assesses, manages, and periodically reviews each Fund’s liquidity risk and classifies each investment held by a Fund as a “highly liquid investment,” “moderately liquid investment,” “less liquid

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investment” or “illiquid investment.” The Liquidity Rule defines “liquidity risk” as the risk that a Fund could not meet requests to redeem shares issued by a Fund without significant dilution of the remaining investors’ interest in a Fund. The liquidity of a Fund’s portfolio investments is determined based on relevant market, trading and investment-specific considerations under the Liquidity Program. There are exclusions from certain portions of the liquidity risk management program requirements for “in-kind” ETFs, as defined in the Liquidity Rule. To the extent that an investment is deemed to be an illiquid investment or a less liquid investment, a Fund can expect to be exposed to greater liquidity risk.

Regulation Regarding Derivatives. The CFTC subjects advisers to registered investment companies to regulation by the CFTC if a fund that is advised by the adviser either (i) invests, directly or indirectly, more than a prescribed level of its liquidation value in CFTC-regulated futures, options and swaps (“CFTC Derivatives”) or (ii) markets itself as providing investment exposure to such instruments. The CFTC also subjects advisers to registered investment companies to regulation by the CFTC if the registered investment company invests in one or more commodity pools. NDFs and cash-settled currency forwards as well as futures, options on futures, currency options and swaps entered into by the Fund will be treated as CFTC Derivatives for these purposes. Physically-settled foreign currency forward contracts will generally be treated as CFTC Derivatives, however these contracts are not treated as CFTC regulated-swaps and are not subject to certain of the CFTC’s rules with respect to swaps. To the extent a Fund uses CFTC Derivatives, it intends to do so below such prescribed levels and intends not to market itself as a “commodity pool” or a vehicle for trading such instruments.

BFA has claimed an exclusion from the definition of the term “commodity pool operator” under the CEA pursuant to Rule 4.5 under the CEA with respect to each of the Funds. BFA is not, therefore, subject to registration or regulation as a “commodity pool operator” under the CEA with respect to the Funds.

Derivative contracts, including, without limitation, swaps, currency forwards, and non-deliverable forwards, are subject to regulation under the Dodd-Frank Wall Street Reform and Consumer Protection Act (“Dodd-Frank Act”) in the U.S. and under comparable regimes in Europe, Asia and other non-U.S. jurisdictions. Swaps, non-deliverable forwards and certain other derivatives traded in the OTC market are subject to variation margin and initial margin requirements. Implementation of the margining and other provisions of the Dodd-Frank Act regarding clearing, mandatory trading, reporting and documentation of swaps and other derivatives have impacted and may continue to impact the costs to the Fund of trading these instruments and, as a result, may affect returns to investors in the Fund.

Rule 18f-4 under the Investment Company Act permits the Fund to enter into Derivatives Transactions (as defined below) and certain other transactions notwithstanding the restrictions on the issuance of “senior securities” under Section 18 of the Investment Company Act. Section 18 of the Investment Company Act, among other things, prohibits open-end funds, including the Fund, from issuing or selling any “senior security,” other than borrowing from a bank (subject to a requirement to maintain 300% “asset coverage”).

Under Rule 18f-4, “Derivatives Transactions” include the following: (1) any swap, security-based swap (including a contract for differences), futures contract, forward contract, option (excluding purchased options), any combination of the foregoing, or any similar instrument, under which the Fund is or may be required to make any payment or delivery of cash or other assets during the life of the instrument or at maturity or early termination, whether as margin or settlement payment or otherwise; (2) any short sale borrowing; (3) reverse repurchase agreements and similar financing transactions (e.g., recourse and non-recourse tender option bonds, and borrowed bonds), if the Fund elects to treat these transactions as Derivatives Transactions under Rule 18f-4; and (4) when-issued or forward-settling securities (e.g., firm and standby commitments, including to-be-announced (“TBA”) commitments, and dollar rolls) and non-standard settlement cycle securities, unless the Fund intends to physically settle the transaction and the transaction will settle within 35 days of its trade date (the “Delayed Settlement Securities Provision”).

Unless the Fund is relying on the Limited Derivatives User Exception (as defined below), the Fund must comply with Rule 18f 4 with respect to its Derivatives Transactions. Rule 18f-4, among other things, requires the Fund to adopt and implement a comprehensive written derivatives risk management program (“DRMP”) and comply with a relative or absolute limit on Fund leverage risk calculated based on value-at-risk (“VaR”). The DRMP is administered by a “derivatives risk manager,” who is appointed by the Board, including a majority of Independent Directors/Trustees, and periodically reviews the DRMP and reports to the Board.

Rule 18f-4 provides an exception from the DRMP, VaR limit and certain other requirements if the Fund’s “derivatives exposure” (as defined in Rule 18f-4) is limited to 10% of its net assets (as calculated in accordance with Rule 18f-4) and the

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Fund adopts and implements written policies and procedures reasonably designed to manage its derivatives risks (the “Limited Derivatives User Exception”).

Securities of Investment Companies. Each Fund and the Underlying Fund may invest in the securities of other investment companies (including money market funds) to the extent permitted by law, regulation, exemptive order or SEC staff guidance. Under the 1940 Act, a fund’s investment in investment companies is limited to, subject to certain exceptions, (i) 3% of the total outstanding voting stock of any one investment company, (ii) 5% of the fund’s total assets with respect to any one investment company, and (iii) 10% of the fund’s total assets with respect to investment companies in the aggregate. Other investment companies in which the Fund or the Underlying Fund invests can be expected to incur fees and expenses for operations, such as investment advisory and administration fees, which would be in addition to those incurred by the Fund or the Underlying Fund. Pursuant to guidance issued by the SEC staff, fees and expenses of money market funds used for cash collateral received in connection with loans of securities are not treated as Acquired Fund Fees and Expenses, which reflect a Fund’s pro rata share of the fees and expenses incurred by investing in other investment companies (as disclosed in the Prospectus, as applicable).

Each Fund or the Underlying Fund may purchase ETF shares for the same reason it would purchase (and as an alternative to purchasing) futures contracts – to obtain relatively low-cost exposure to the stock market while maintaining flexibility to meet the liquidity needs of the Underlying Fund. ETF shares enjoy several advantages over futures contracts. Depending on the market, the holding period, and other factors, ETF shares can be less costly than futures contracts. In addition, ETF shares can be purchased for smaller sums and offer exposure to market sectors and styles for which there is no suitable or liquid futures contract. The Underlying Fund may also purchase ETF shares for other purposes, including improving its ability to track its underlying index. The Underlying Fund may invest in shares of ETFs that are advised by BFA.

Short-Term Instruments and Temporary Investments. Each Fund and the Underlying Fund may invest in short-term instruments, including money market instruments, on an ongoing basis to provide liquidity or for other reasons. Money market instruments are generally short-term investments that may include, but are not limited to: (i) shares of money market funds (including those advised by BFA or otherwise affiliated with BFA); (ii) obligations issued or guaranteed by the U.S. government, its agencies or instrumentalities (including government-sponsored enterprises); (iii) negotiable certificates of deposit, bankers’ acceptances, fixed-time deposits and other obligations of U.S. and non-U.S. banks (including non-U.S. branches) and similar institutions; (iv) commercial paper rated, at the date of purchase, “Prime-1” by Moody’s, “F-1” by Fitch, or “A-1” by S&P Global Ratings, or if unrated, of comparable quality as determined by BFA; (v) non-convertible corporate debt securities ( e.g. , bonds and debentures) with remaining maturities at the date of purchase of not more than 397 days and that have been determined to present minimal credit risks, in accordance with the requirements set forth in Rule 2a-7 under the 1940 Act; (vi) repurchase agreements; and (vii) short-term U.S. dollar-denominated obligations of non-U.S. banks (including U.S. branches) that, in the opinion of BFA, are of comparable quality to obligations of U.S. banks that may be purchased by a Fund. Any of these instruments may be purchased on a current or forward-settled basis. Time deposits are non-negotiable deposits maintained in banking institutions for specified periods of time at stated interest rates. Bankers’ acceptances are time drafts drawn on commercial banks by borrowers, usually in connection with international transactions.

Tracking Stocks. A tracking stock is a separate class of common stock whose value is linked to a specific business unit or operating division within a larger company and is designed to “track” the performance of such business unit or division. The tracking stock may pay dividends to shareholders independent of the parent company. The parent company, rather than the business unit or division, generally is the issuer of tracking stock. However, holders of the tracking stock may not have the same rights as holders of the company’s common stock.

Future Developments. The board of each Fund or the Underlying Fund may, in the future, authorize each Fund and the Underlying Fund to invest in securities contracts and investments, other than those listed in this SAI and in the Prospectus, provided they are consistent with each Fund’s or the Underlying Fund’s investment objective and do not violate any of its investment restrictions or policies.

General Considerations and Risks

A discussion of some of the principal risks associated with an investment in a Fund is contained in the Prospectus. Because each Fund expects to obtain its exposure to the securities substantially through its investment in the Underlying Fund, shareholders should be aware that the risks of investment in particular types of securities, economic sectors and geographic

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locations discussed below may be borne by the Fund through its investment in the Underlying Fund. Through its investment in the Underlying Fund, each Fund will also bear the risks described below associated with the Underlying Fund’s use of portfolio management techniques, such as borrowing arrangements and use of derivatives, in addition to the risks associated with those activities if the Funds engage in them directly.

An investment in a Fund should be made with an understanding that the value of the Fund’s portfolio securities, including its investment in the Underlying Fund, may fluctuate in accordance with changes in the financial condition of the issuers of the portfolio securities, the value of stocks in general, and other factors that affect the market. The order of the below risk factors does not indicate the significance of any particular risk factor.

Borrowing Risk. Borrowing may exaggerate changes in the NAV of Fund shares and in the return on a Fund’s portfolio. Borrowing will cause a Fund to incur interest expense and other fees. The costs of borrowing may reduce a Fund’s return. Borrowing may cause a Fund to liquidate positions when it may not be advantageous to do so to satisfy its obligations.

Illiquid Investments Risk. Each Fund may not acquire any illiquid investment if, immediately after the acquisition, the Fund would have invested more than 15% of its net assets in illiquid investments. An illiquid investment is any investment that a Fund reasonably expects cannot be sold or disposed of in current market conditions in seven calendar days or less without significantly changing the market value of the investment. The liquidity of an investment will be determined based on relevant market, trading and investment specific considerations as set out in the Liquidity Program as required by the Liquidity Rule. Illiquid investments may trade at a discount to comparable, more liquid investments and a Fund may not be able to dispose of illiquid investments in a timely fashion or at their expected prices. If illiquid investments exceed 15% of a Fund’s net assets, the Liquidity Rule and the Liquidity Program will require that certain remedial actions be taken.

Infectious Illness Risk. A widespread outbreak of an infectious illness, such as the COVID-19 pandemic, may adversely affect the economies of many nations and the global economy and may impact individual issuers and capital markets in ways that cannot be foreseen. An infectious illness outbreak may result in travel restrictions, closed international borders, disruption of healthcare services, prolonged quarantines, cancellations, supply chain disruptions, temporary and permanent business closures, lower consumer demand, layoffs, ratings downgrades, credit defaults and other significant economic, social and political impacts, as well as general concern and uncertainty. An outbreak may exacerbate other pre-existing political, social and economic risks in certain countries or globally. These impacts, which could adversely affect a Fund and its investments, could be present for an extended period of time.

In addition, markets may experience temporary closures, extreme volatility, severe losses, reduced liquidity and increased trading costs. Such events may adversely affect a Fund and its investments and may impact a Fund’s ability to purchase or sell securities or other assets. Market or economic disruptions could cause elevated tracking error and increased premiums or discounts to a Fund’s NAV. Additionally, a Fund could be adversely impacted if an outbreak impairs the operations of its service providers, including BFA. Governmental and quasi-governmental may respond to an outbreak and any resulting disruptions with a variety of fiscal and monetary policy changes, such as changes in interest rates. A reversal of these policies, or the ineffectiveness of such policies, is likely to increase market volatility, which could adversely affect a Fund’s investments.

Money Market Instruments Risk. The value of money market instruments may be affected by changes in interest rates or in the credit ratings of the investments, among other things. If a significant amount of a Fund’s assets is invested in money market instruments, it may be more difficult for the Fund to achieve its investment objective. An investment in a money market fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. It is possible to lose money by investing in a money market fund. Money market funds other than U.S. government money market funds and retail money market funds “float” their NAV instead of using a stable $1.00 per share price.

Operational and Technology Risks. A Fund and the entities with which it interacts directly or indirectly are susceptible to operational and technology risks, including those related to human errors, processing errors, communication errors, systems failures, cybersecurity incidents, and the use of artificial intelligence and machine learning (“AI”), which may result in losses for the Fund and its shareholders or impair the Fund’s operations. These entities include, but are not limited to, a Fund’s adviser, administrator, distributor, other service providers (e.g., index and benchmark providers, accountants, custodians, and transfer agents), financial intermediaries, counterparties, market makers, Authorized Participants, listing exchanges, other financial market operators, and governmental authorities. Operational and technology risks for the issuers in which a Fund invests could also result in material adverse consequences for such issuers and may cause the Fund’s investments in such issuers to lose value. A Fund may incur substantial costs in order to mitigate operational and technology risks.

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Cybersecurity incidents can result from deliberate attacks or unintentional events against an issuer in which a Fund invests, the Fund or any of its service providers. They include, but are not limited to, gaining unauthorized access to systems, misappropriating assets or sensitive information, corrupting or destroying data, and causing operational disruption. Geopolitical tension may increase the scale and sophistication of deliberate attacks, particularly those from nation states or from entities with nation state backing. Cybersecurity incidents may result in any of the following: financial losses; interference with a Fund’s ability to calculate its NAV; disclosure of confidential information; impediments to trading; submission of erroneous trades by a Fund or erroneous subscription or redemption orders; the inability of a Fund or its service providers to transact business; violations of applicable privacy and other laws; regulatory fines; penalties; reputational damage; reimbursement or other compensation costs; and other legal and compliance expenses. Furthermore, cybersecurity incidents may render records of a Fund, including records relating to its assets and transactions, shareholder ownership of Fund shares, and other data integral to a Fund’s functioning, inaccessible, inaccurate or incomplete. Power outages, natural disasters, equipment malfunctions and processing errors that threaten information and technology systems relied upon by a Fund or its service providers, as well as market events that occur at a pace that overloads these systems, may also disrupt business operations or impact critical data. In addition, the risks of increased use of AI technologies, such as machine learning, include data risk, transparency risk, and operational risk. The AI technologies, which are generally highly reliant on the collection and analysis of large amounts of data, may incorporate biased or inaccurate data, and it is not possible or practicable to incorporate all relevant data into such technologies. The output or results of any such AI technologies may therefore be incomplete, erroneous, distorted or misleading. Further, AI tools may lack transparency as to how data is utilized and how outputs are generated. AI technologies may also allow the unintended introduction of vulnerabilities into infrastructures and applications. A Fund and its shareholders could be negatively impacted as a result of these risks associated with AI technologies. AI technologies and their current and potential future applications, and the regulatory frameworks within which they operate, continue to quickly evolve, and it is impossible to anticipate the full scope of future AI capabilities or rules and the associated risks to a Fund.

While a Fund’s service providers are required to have appropriate operational, information security and cybersecurity risk management policies and procedures, their methods of risk management may differ from those of the Fund in the setting of priorities, the personnel and resources available or the effectiveness of relevant controls. Each Fund and its adviser seek to reduce these risks through controls, procedures and oversight, including establishing business continuity plans and risk management systems. However, there are inherent limitations in such plans and systems, including the possibility that certain risks that may affect a Fund have not been identified or may emerge in the future; that such plans and systems may not completely eliminate the occurrence or mitigate the effects of operational or information security disruptions or failures or of cybersecurity incidents; or that prevention and remediation efforts will not be successful or that incidents will go undetected. A Fund cannot control the systems, information security or other cybersecurity of the issuers in which it invests or its service providers, counterparties, and other third parties whose activities affect the Fund.

Lastly, the regulatory climate governing cybersecurity and data protection is developing quickly and may vary considerably across jurisdictions. Regulators continue to develop new rules and standards related to cybersecurity and data protection. Compliance with evolving regulations can be demanding and costly, requiring substantial resources to monitor and implement required changes.

Risk of Derivatives. A derivative is a financial contract, the value of which depends on, or is derived from, the value of an underlying asset, such as a security, a commodity (such as gold or silver), a currency or an index (a measure of value or rates, such as the S&P 500 or the prime lending rate). The Funds and the Underlying Fund may invest in stock index futures contracts, securities options and other derivatives. Compared to securities, derivatives can be more sensitive to changes in interest rates or to sudden fluctuations in market prices and thus a Fund’s or an Underlying Fund’s losses may be greater if it invests in derivatives than if it invests only in conventional securities. Derivatives are also subject to counterparty risk, which is the risk that the other party in the transaction will not fulfill its contractual obligations. Derivatives generally involve the incurrence of leverage.

When a derivative is used as a hedge against a position that a Fund holds or is committed to purchase, any loss generated by the derivative generally should be substantially offset by gains on the hedged investment, and vice versa. While hedging can reduce or eliminate losses, it can also reduce or eliminate gains, and in some cases, hedging can cause losses that are not offset by gains, and the Fund will recognize losses on both the investment and the hedge. Hedges are sometimes subject to imperfect matching between the derivative and the underlying security, and there can be no assurance that a Fund’s hedging transactions, which entail additional transaction costs, will be effective.

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Risks of Equity Securities. An investment in a Fund should be made with an understanding that the value of the Underlying Fund’s portfolio securities may fluctuate in accordance with changes in the financial condition of the issuers of the portfolio securities, the value of preferred or common stocks in general and other factors that affect the market. An investment in a Fund should also be made with an understanding of the risks inherent in an investment in equity securities, including the risk that the financial condition of issuers may become impaired or that the general condition of the stock market may deteriorate (either of which may cause a decrease in the value of the portfolio securities and thus in the value of shares of the Underlying Fund). Common stocks are susceptible to general stock market fluctuations and to volatile increases and decreases in value as market confidence and perceptions of their issuers change. These investor perceptions are based on various and unpredictable factors, including expectations regarding government, economic, monetary and fiscal policies, inflation and interest rates, economic expansion or contraction and global or regional political, economic or banking crises. Holders of common stocks incur more risk than holders of preferred stocks and debt obligations because common stockholders generally have rights to receive payments from the issuer inferior to the rights of creditors or holders of debt obligations or preferred stocks. Further, unlike debt securities which typically have a stated principal amount payable at maturity (whose value, however, is subject to market fluctuations prior to maturity), or preferred stocks, which typically have a liquidation preference and which may have stated optional or mandatory redemption provisions, common stocks have neither a fixed principal amount nor a maturity.

Risk of Futures and Options on Futures Transactions. There are several risks accompanying the utilization of futures contracts and options on futures contracts. A position in futures contracts and options on futures contracts may be closed only on the exchange on which the contract was made (or a linked exchange). While each Fund plans to utilize futures contracts only if an active market exists for such contracts, there is no guarantee that a liquid market will exist for the contract at a specified time. Futures contracts, by definition, project price levels in the future and not current levels of valuation; therefore, market circumstances may result in a discrepancy between the price of the future and the movement in a Fund’s underlying instrument. In the event of adverse price movements, a Fund would continue to be required to make daily cash payments to maintain its required margin. In such situations, if a Fund has insufficient cash, it may have to sell portfolio securities to meet daily margin requirements at a time when it may be disadvantageous to do so. In addition, a Fund may be required to deliver the instruments underlying the futures contracts it has sold.

The risk of loss in trading futures contracts or uncovered call options in some strategies ( e.g. , selling uncovered stock index futures contracts) is potentially unlimited. The Funds do not plan to use futures and options contracts in this way. The risk of a futures position may still be large as traditionally measured due to the low margin deposits required. In many cases, a relatively small price movement in a futures contract may result in immediate and substantial loss or gain to the investor relative to the size of a required margin deposit. The Funds, however, intend to utilize futures and options contracts in a manner designed to limit their risk exposure to levels comparable to a direct investment in the types of stocks in which they invest.

Utilization of futures and options on futures by a Fund involves the risk of loss of margin deposits in the event of bankruptcy of a broker with whom a Fund has an open position in the futures contract or option. The purchase of put or call options will be based upon predictions by BFA as to anticipated trends, which predictions could prove to be incorrect.

Because the futures market generally imposes less burdensome margin requirements than the securities market, an increased amount of participation by speculators in the futures market could result in price fluctuations. Certain financial futures exchanges limit the amount of fluctuation permitted in futures contract prices during a single trading day. The daily limit establishes the maximum amount by which the price of a futures contract may vary either up or down from the previous day’s settlement price at the end of a trading session. Once the daily limit has been reached in a particular type of contract, no trades may be made on that day at a price beyond that limit. It is possible that futures contract prices could move to the daily limit for several consecutive trading days with little or no trading, thereby preventing prompt liquidation of futures positions and subjecting each Fund to substantial losses. In the event of adverse price movements, each Fund would be required to make daily cash payments of variation margin.

Tracking Error Risk. The Underlying Fund may be subject to tracking error, which is the divergence of a fund’s performance from that of its underlying index. Tracking error may occur because of differences between the securities and other instruments held in a fund’s portfolio and those included in the Underlying Fund’s underlying index, pricing differences, transaction costs incurred by the Underlying Fund, Underlying Fund’s holding of uninvested cash, differences in timing of the accrual of or the valuation of dividends or interest received by the Underlying Fund or distributions paid to the Underlying Fund’s shareholders, the requirements to maintain pass-through tax treatment, portfolio transactions carried out to minimize

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the distribution of capital gains to shareholders, acceptance of custom baskets, changes to the Underlying Fund’s underlying index or the costs to the Underlying Fund of complying with various new or existing regulatory requirements. This risk may be heightened during times of increased market volatility or other unusual market conditions. Tracking error also may result because a fund incurs fees and expenses, while such a fund’s underlying index does not. When an issuer is introduced by an index provider into an index tracked by the Underlying Fund, BFA may conduct an analysis on such issuer’s securities to identify and screen for outlier high risk behavior (such as rapid or unusual price growth that does not appear to be supported by publicly available information on the business and assets of the issuer, unusual or significant short interest or lending activity, negative sentiment, suspended trading or incorrect free-float calculations, which could be indicators of possible irregularities, miscalculations or even fraud).

If it identifies such behavior, BFA may, where appropriate, alert the index provider as to the alleged issue. The index provider has sole discretion for the determination as to whether to continue to include the issuer’s securities in the re-balancing of its index. If the securities continue to be included in the index, BFA may underweight or exclude such securities from the Underlying Fund’s portfolio and, if it does so, such a fund will be subject to increased tracking error due to the divergence in the securities included in its portfolio from its underlying index. The application of the above-mentioned analysis and screening to the Underlying Fund and its underlying index is in the sole discretion of BFA and its affiliates (without any guarantees). The analysis and screening may not exclude any or all high risk securities from the Underlying Fund’s portfolio, and the inclusion of such securities will result in an adverse impact to such a Fund’s net asset value if one or more such securities declines in value.

Risk of Investing in the U.S. A decrease in imports or exports, changes in trade regulations, inflation and/or an economic recession in the U.S. may have a material adverse effect on the U.S. economy and the securities listed on U.S. exchanges. Proposed and adopted policy and legislative changes in the U.S. are changing many aspects of financial, commercial, public health, environmental, and other regulation and may have a significant effect on U.S. markets generally, as well as on the value of certain securities. Governmental agencies project that the U.S. will continue to maintain elevated public debt levels for the foreseeable future. Although elevated debt levels do not necessarily indicate or cause economic problems, elevated public debt service costs may constrain future economic growth. Circumstances could arise that could prevent the timely payment of interest or principal on U.S. government debt, such as reaching the legislative “debt ceiling.” Such non-payment would result in substantial negative consequences for the U.S. economy and the global financial system.

If U.S. relations with certain countries deteriorate, it could adversely affect U.S. issuers as well as non-U.S. issuers that rely on the U.S. for trade. The U.S. has also experienced increased internal unrest and discord. If these trends were to continue, it may have an adverse impact on the U.S. economy and the issuers in which a Fund or an Underlying Fund invests.

Risk of Investing in the Consumer Discretionary Sector. Companies engaged in the design, production or distribution of products or services for the consumer discretionary sector (including, without limitation, television and radio broadcasting, manufacturing, publishing, recording and musical instruments, motion pictures, photography, amusement and theme parks, gaming casinos, sporting goods and sports arenas, camping and recreational equipment, toys and games, apparel, travel related services, automobiles, hotels and motels, and fast food and other restaurants) are subject to the risk that their products or services may become obsolete quickly. The success of these companies can depend heavily on disposable household income and consumer spending. During periods of an expanding economy, the consumer discretionary sector may outperform the consumer staples sector, but may underperform when economic conditions worsen. Moreover, the consumer discretionary sector can be significantly affected by several factors, including, without limitation, the performance of domestic and international economies, exchange rates, changing consumer preferences, demographics, marketing campaigns, cyclical revenue generation, consumer confidence, commodity price volatility, labor relations, interest rates, import and export controls, intense competition, technological developments and government regulation.

Risk of Investing in the Consumer Staples Sector. Companies in the consumer staples sector may be adversely affected by changes in the global economy, consumer spending, competition, demographics and consumer preferences, and production spending. Companies in the consumer staples sector may also be affected by changes in global economic, environmental and political events, economic conditions, the depletion of resources, and government regulation. For instance, government regulations may affect the permissibility of using various food additives and production methods of companies that make food products, which could affect company profitability. In addition, tobacco companies may be adversely affected by the adoption of proposed legislation and/or by litigation. Companies in the consumer staples sector also may be subject to risks pertaining to the supply of, demand for and prices of raw materials. The prices of raw materials fluctuate in response to a

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number of factors, including, without limitation, changes in government agricultural support programs, exchange rates, import and export controls, changes in international agricultural and trading policies, and seasonal and weather conditions. Companies in the consumer staples sector may be subject to severe competition, which may also have an adverse impact on their profitability.

Risk of Investing in the Energy Sector. Companies in the energy sector are strongly affected by the changes in and volatility of global energy prices, energy supply and demand, government regulations and policies, energy production and conservation efforts, technological change, development of alternative energy sources, and other factors that they cannot control. Energy companies may have relatively high levels of debt and may be more likely to restructure their businesses if there are downturns in energy markets or in the global economy. If an energy company in an Underlying Fund’s portfolio becomes distressed, an Underlying Fund could lose all or a substantial portion of its investment. The energy sector is cyclical and is highly dependent on commodity prices. Prices and supplies of energy may fluctuate significantly over short and long periods of time due to, among other things, national and international political changes, Organization of Petroleum Exporting Countries (“OPEC”) policies, changes in relationships among OPEC members and between OPEC and oil-importing nations, the regulatory environment, taxation policies, the enactment or cessation of trade sanctions, war or other geopolitical conflicts, and the economies of key energy-consuming countries. Companies in the energy sector may be adversely affected by terrorism, cyber incidents, natural disasters or other catastrophes. Companies in the energy sector are at risk of liability from accidents resulting in injury, loss of life or property, pollution or other environmental damage claims. Significant oil and gas deposits are located in emerging markets countries where corruption and security may raise significant risks, in addition to the other risks of investing in emerging markets. Additionally, the Middle East, where many companies in the energy sector may operate, has experienced conflict and unrest. Companies in the energy sector may also be adversely affected by changes in exchange rates, interest rates, economic conditions, tax treatment, government regulation and intervention, negative perception, efforts at energy conservation and world events in the regions in which the companies operate ( e.g ., expropriation, nationalization, confiscation of assets and property or the imposition of restrictions on foreign investments and repatriation of capital, military coups, social unrest, violence or labor unrest). Because a significant portion of revenues of companies in this sector is derived from a relatively small number of customers that are largely composed of governmental entities and utilities, governmental budget constraints may have a significant impact on companies in this sector. The energy sector is highly regulated. Entities operating in the energy sector are subject to significant regulation of nearly every aspect of their operations by governmental agencies. Such regulation can change rapidly or over time in both scope and intensity. Stricter laws, regulations or enforcement policies could be enacted, which would likely increase compliance costs and may materially adversely affect the financial performance of companies in the energy sector.

The energy sector may experience significant market volatility. For example, Russia’s large-scale invasion of Ukraine on February 24, 2022 led to further disruptions and increased volatility in the energy and commodity futures markets due to actual and potential disruptions in the supply and demand for certain commodities, including oil and natural gas. The U.S. and other actors have enacted various sanctions and restrictions on business dealings with Russia, which include restrictions on imports of oil, natural gas and coal. The effect of the current sanctions and restrictions, as well as the extent and duration of the Russian military action, additional sanctions and associated market disruptions on the energy sector, are impossible to predict and depend on a number of factors. The effect of these events or any related developments could be significant and may have a severe adverse effect on the performance of the Underlying Fund.

Risk of Investing in the Financials Sector. Companies in the financials sector include small, regional and money center banks, securities brokerage firms, asset management companies, savings banks and thrift institutions, specialty finance companies ( e.g. , credit card, mortgage providers), insurance and insurance brokerage firms, consumer finance firms, financial conglomerates and foreign banking and financial companies.

Most financial companies are subject to extensive governmental regulation, which limits their activities and may affect their ability to earn a profit from a given line of business. Government regulation may change frequently and may have significant adverse consequences for companies in the financials sector, including effects not intended by the regulation. Direct governmental intervention in the operations of financial companies and financial markets may materially and adversely affect the companies in which the Underlying Fund invests, including legislation in many countries that may increase government regulation, repatriation and other intervention. The impact of governmental intervention and legislative changes on any individual financial company or on the financials sector as a whole cannot be predicted. The valuation of financial companies has been and continues to be subject to unprecedented volatility and may be influenced by unpredictable factors, including interest rate risk and sovereign debt default. Certain financial businesses are subject to intense competitive pressures, including market share and price competition. Financial companies in foreign countries are subject to market-specific and

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general regulatory and interest rate concerns. In particular, government regulation in certain foreign countries may include taxes and controls on interest rates, credit availability, minimum capital requirements, bans on short sales, limits on prices and restrictions on currency transfers. In addition, companies in the financials sector may be the targets of hacking and potential theft of proprietary or customer information or disruptions in service, which could have a material adverse effect on their businesses.

The profitability of banks, savings and loan associations and other financial companies is largely dependent on the availability and cost of capital funds and can fluctuate significantly when interest rates change; for instance, when interest rates go up, the value of securities issued by many types of companies in the financials sector generally goes down. In other words, financial companies may be adversely affected in certain market cycles, including, without limitation, during periods of rising interest rates, which may restrict the availability and increase the cost of capital, and during periods of declining economic conditions, which may cause, among other things, credit losses due to financial difficulties of borrowers.

In addition, general economic conditions are important to the operations of these companies, and financial difficulties of borrowers may have an adverse effect on the profitability of financial companies. Companies in the financials sector are exposed directly to the credit risk of their borrowers and counterparties, who may be leveraged to an unknown degree, including through swaps and other derivatives products, and who at times may be unable to meet their obligations to the financial services companies. Financial services companies may have significant exposure to the same borrowers and counterparties, with the result that a borrower’s or counterparty’s inability to meet its obligations to one company may affect other companies with exposure to the same borrower or counterparty. This interconnectedness of risk, including cross default risk, may result in significant negative impacts to the financial condition and reputation of companies with direct exposure to the defaulting counterparty as well as adverse cascading effects in the markets and the financials sector generally. Financial companies can be highly dependent upon access to capital markets, and any impediments to such access, such as adverse overall economic conditions or a negative perception in the capital markets of a financial company’s financial condition or prospects, could adversely affect its business. Deterioration of credit markets can have an adverse impact on a broad range of financial markets, causing certain financial companies to incur large losses. In these conditions, companies in the financials sector may experience significant declines in the valuation of their assets, take actions to raise capital and even cease operations. Some financial companies may also be required to accept or borrow significant amounts of capital from government sources and may face future government-imposed restrictions on their businesses or increased government intervention. In addition, there is no guarantee that governments will provide any such relief in the future. These actions may cause the securities of many companies in the financials sector to decline in value.

Risk of Investing in the Healthcare Sector. Companies in the healthcare sector are often issuers whose profitability may be affected by extensive government regulation, restrictions on government reimbursement for medical expenses, rising or falling costs of medical products and services, pricing pressure, an increased emphasis on outpatient services, a limited number of products, industry innovation, changes in technologies and other market developments. Many healthcare companies are heavily dependent on patent protection and the actual or perceived safety and efficiency of their products.

Patents have a limited duration, and, upon expiration, other companies may market substantially similar “generic” products that are typically sold at a lower price than the patented product, which can cause the original developer of the product to lose market share and/or reduce the price charged for the product, resulting in lower profits for the original developer. As a result, the expiration of patents may adversely affect the profitability of these companies.

In addition, because the products and services of many companies in the healthcare sector affect the health and well-being of many individuals, these companies are especially susceptible to extensive litigation based on product liability and similar claims. Healthcare companies are subject to competitive forces that may make it difficult to raise prices and, in fact, may result in price discounting. Many new products in the healthcare sector may be subject to regulatory approvals. The process of obtaining such approvals may be long and costly, which can result in increased development costs, delayed cost recovery and loss of competitive advantage to the extent that rival companies have developed competing products or procedures, adversely affecting the company’s revenues and profitability. In other words, delays in the regulatory approval process may diminish the opportunity for a company to profit from a new product or to bring a new product to market, which could have a material adverse effect on a company’s business. Healthcare companies may also be strongly affected by scientific biotechnology or technological developments, and their products may quickly become obsolete. Also, many healthcare companies offer products and services that are subject to governmental regulation and may be adversely affected by changes in governmental policies or laws. Changes in governmental policies or laws may span a wide range of topics, including cost control, national health insurance, incentives for compensation in the provision of healthcare services, tax incentives and

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penalties related to healthcare insurance premiums, and promotion of prepaid healthcare plans. In addition, a number of legislative proposals concerning healthcare have been considered by the U.S. Congress in recent years. It is unclear what proposals will ultimately be enacted, if any, and what effect they may have on companies in the healthcare sector.

Additionally, the expansion of facilities by healthcare-related providers may be subject to “determinations of need” by certain government authorities. This process not only generally increases the time and costs involved in these expansions, but also makes expansion plans uncertain, limiting the revenue and profitability growth potential of healthcare-related facilities operators and negatively affecting the prices of their securities. Moreover, in recent years, both local and national governmental budgets have come under pressure to reduce spending and control healthcare costs, which could both adversely affect regulatory processes and public funding available for healthcare products, services and facilities.

Risk of Investing in the Industrials Sector. The value of securities issued by companies in the industrials sector may be adversely affected by supply of and demand for both their specific products or services and for industrials sector products in general. The products of manufacturing companies may face obsolescence due to rapid technological developments and frequent new product introduction. Government regulations, trade disputes, world events and economic conditions may affect the performance of companies in the industrials sector. The industrials sector may also be adversely affected by changes or trends in commodity prices, which may be influenced by unpredictable factors. Aerospace and defense companies, a component of the industrials sector, can be significantly affected by government spending policies because companies involved in this industry rely, to a significant extent, on government demand for their products and services. Thus, the financial condition of, and investor interest in, aerospace and defense companies are heavily influenced by governmental defense spending policies, which are typically under pressure from efforts to control government budgets. Transportation stocks, a component of the industrials sector, are cyclical and can be significantly affected by economic changes, fuel prices, labor relations and insurance costs. Transportation companies in certain countries may also be subject to significant government regulation and oversight, which may adversely affect their businesses. For example, commodity price declines and unit volume reductions resulting from an over-supply of materials used in the industrials sector can adversely affect the sector. Furthermore, companies in the industrials sector may be subject to liability for environmental damage, product liability claims, depletion of resources, and mandated expenditures for safety and pollution control.

Risk of Investing in the Materials Sector. Companies in the materials sector may be adversely affected by commodity price volatility, exchange rate fluctuations, social and political unrest, war, import or export controls, increased competition, depletion of resources, technical progress, labor relations and government regulations, and mandated expenditures for safety and pollution control, among other factors. Such risks may adversely affect the issuers to which a Fund has exposure. Companies in the materials sector are also at risk of liability for environmental damage and product liability claims. Production of materials may exceed demand as a result of market imbalances or economic downturns, leading to poor investment returns. These risks are heightened for companies in the materials sector located in foreign markets.

Risk of Investing in the Real Estate Industry. Companies in the real estate industry include companies that invest in real estate, such as REITs, real estate holding and operating companies or real estate development companies (collectively, “Real Estate Companies”). Investing in Real Estate Companies exposes investors to the risks of owning real estate directly, as well as to risks that relate specifically to the way in which Real Estate Companies are organized and operated. The real estate industry is highly sensitive to general and local economic conditions and developments, and characterized by intense competition and periodic overbuilding. Investing in Real Estate Companies involves various risks. Some risks that are specific to Real Estate Companies are discussed in greater detail below.

Concentration Risk. Real Estate Companies may own a limited number of properties and concentrate their investments in a particular geographic region or property type. Economic downturns affecting a particular region, industry or property type may lead to a high volume of defaults within a short period.

Distressed Investment Risk. Real Estate Companies may invest in distressed, defaulted or out-of-favor bank loans. Identification and implementation by a Real Estate Company of loan modification and restructure programs involves a high degree of uncertainty. Even successful implementation may still require adverse compromises and may not prevent bankruptcy. Real Estate Companies may also invest in other debt instruments that may become non-performing, including the securities of companies with higher credit and market risk due to financial or operational difficulties. Higher risk securities may be less liquid and more volatile than the securities of companies not in distress.

Illiquidity Risk. Investing in Real Estate Companies may involve risks similar to those associated with investing in small capitalization companies. Real Estate Company securities, like the securities of small-capitalization companies, may be more

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volatile than, and perform differently from, shares of large-capitalization companies. There may be less trading in Real Estate Company shares, which means that buy and sell transactions in those shares could have a magnified impact on share price, resulting in abrupt or erratic price fluctuations. In addition, real estate is relatively illiquid, and, therefore, a Real Estate Company may have a limited ability to vary or liquidate properties in response to changes in economic or other conditions.

Interest Rate Risk. Rising interest rates could result in higher costs of capital for Real Estate Companies, which could negatively impact a Real Estate Company’s ability to meet its payment obligations. Declining interest rates could result in increased prepayment on loans and require redeployment of capital in less desirable investments.

Leverage Risk. Real Estate Companies may use leverage (and some may be highly leveraged), which increases investment risk and could adversely affect a Real Estate Company’s operations and market value in periods of rising interest rates. Real Estate Companies are also exposed to the risks normally associated with debt financing. Financial covenants related to a Real Estate Company’s leverage may affect the ability of the Real Estate Company to operate effectively. In addition, real property may be subject to the quality of credit extended and defaults by borrowers and tenants. If the properties do not generate sufficient income to meet operating expenses, including, where applicable, debt service, ground lease payments, tenant improvements, third-party leasing commissions and other capital expenditures, the income and ability of a Real Estate Company to make payments of any interest and principal on its debt securities will be adversely affected.

Loan Foreclosure Risk. Real Estate Companies may foreclose on loans that the Real Estate Company originated and/or acquired. Foreclosure may generate negative publicity for the underlying property that affects its market value. In addition to the length and expense of such proceedings, the validity of the terms of the applicable loan may not be recognized in foreclosure proceedings. Claims and defenses asserted by borrowers or other lenders may interfere with the enforcement of rights by a Real Estate Company. Parallel proceedings, such as bankruptcy, may also delay resolution and limit the amount of recovery on a foreclosed loan by a Real Estate Company even where the property underlying the loan is liquidated.

Management Risk. Real Estate Companies are dependent upon management skills and may have limited financial resources. Real Estate Companies are generally not diversified and may be subject to heavy cash flow dependency, default by borrowers and voluntary liquidation. In addition, transactions between Real Estate Companies and their affiliates may be subject to conflicts of interest, which may adversely affect a Real Estate Company’s shareholders. A Real Estate Company may also have joint venture investments in certain of its properties, and, consequently, its ability to control decisions relating to such properties may be limited.

Property Risk. Real Estate Companies may be subject to risks relating to functional obsolescence or reduced desirability of properties; extended vacancies due to economic conditions and tenant bankruptcies; catastrophic events such as earthquakes, hurricanes and terrorist acts; and casualty or condemnation losses. Real estate income and values also may be greatly affected by demographic trends, such as population shifts or changes in consumer preferences and values, or increasing vacancies or declining rents resulting from legal, cultural, technological, global or local economic developments.

Regulatory Risk. Real estate income and values may be adversely affected by such factors as applicable domestic and foreign laws (including tax laws). Government actions, such as tax increases, zoning law changes, mandated closures or other commercial restrictions or environmental regulations, also may have a major impact on real estate income and values. In addition, quarterly compliance with regulations limiting the proportion of asset types held by a U.S. REIT may force certain Real Estate Companies to liquidate or restructure otherwise attractive investments. Some countries may not recognize REITs or comparable structures as a viable form of real estate funds.

Underlying Investment Risk. Real Estate Companies make investments in a variety of debt and equity instruments with varying risk profiles. For instance, Real Estate Companies may invest in debt instruments secured by commercial property that have higher risks of delinquency and foreclosure than loans on single family homes due to a variety of factors associated with commercial property, including the tie between income available to service debt and productive use of the property. Real Estate Companies may also invest in debt instruments and preferred equity that are junior in an issuer’s capital structure and that involve privately negotiated structures. Subordinated debt investments, such as B-Notes and mezzanine loans, involve a greater credit risk of default due to the need to service more senior debt of the issuer. Similarly, preferred equity investments involve a greater risk of loss than conventional debt financing due to their non-collateralized nature and subordinated ranking. Investments in CMBS may also be junior in priority in the event of bankruptcy or similar proceedings. Investments in senior loans may be effectively subordinated if the senior loan is pledged as collateral. The ability of a holder of junior claims to proceed against a defaulting issuer is circumscribed by the terms of the particular contractual arrangement, which vary considerably from transaction to transaction.

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U.S. Tax Risk. Certain U.S. Real Estate Companies are subject to special U.S. federal tax requirements. A REIT that fails to comply with such tax requirements may be subject to U.S. federal income taxation, which may affect the value of the REIT and the characterization of the REIT’s distributions. The U.S. federal tax requirement that a REIT distribute substantially all of its net income to its shareholders may result in a REIT having insufficient capital for future expenditures. A REIT that successfully maintains its qualification may still become subject to U.S. federal, state and local taxes, including excise, penalty, franchise, payroll, mortgage recording, and transfer taxes, both directly and indirectly through its subsidiaries. Because REITs often do not provide complete tax information until after the calendar year-end, an Underlying Fund may at times need to request permission to extend the deadline for issuing your tax reporting statement or supplement the information otherwise provided to you.

Risk of Investing in Technology Companies. Technology companies and companies that rely heavily on technological advances may have limited product lines, markets, financial resources and personnel. These companies may face rapid product obsolescence as well as unexpected risks and costs related to new product introduction and technological developments, such as artificial intelligence and machine learning. Technology companies may be adversely affected by disruptions to supply chains and distribution networks as well as issues at third-party partners. They are heavily dependent on patent and other intellectual property rights, and the loss or impairment of these rights may adversely affect their profitability. Technology companies may face increased government scrutiny and may be subject to adverse government or legal action. These companies also may be adversely affected by, among other things, actual or perceived security vulnerabilities or other defects in their products and services, which may result in lawsuits, government enforcement actions and other remediation costs.

Risk of Investing in the Utilities Sector. The utilities sector may be adversely affected by changing commodity prices, government regulation stipulating rates charged by utilities, increased tariffs, changes in tax laws, interest rate fluctuations and changes in the cost of providing specific utility services. The utilities industry is also subject to potential terrorist attacks, natural disasters and severe weather conditions, as well as regulatory and operational burdens associated with the operation and maintenance of nuclear facilities. Government regulators monitor and control utility revenues and costs, and therefore may limit utility profits. In certain countries, regulatory authorities may also restrict a company’s access to new markets, thereby diminishing the company’s long-term prospects.

There are substantial differences among the regulatory practices and policies of various jurisdictions, and any regulatory agency may make major shifts in policy from time to time. There is no assurance that regulatory authorities will, in the future, grant rate increases. Additionally, existing and possible future regulatory legislation may make it even more difficult for utilities to obtain adequate relief. Certain of the issuers of securities held in the Underlying Funds’ portfolio may own or operate nuclear generating facilities. Governmental authorities may from time to time review existing policies and impose additional requirements governing the licensing, construction and operation of nuclear power plants. Prolonged changes in climate conditions can also have a significant impact on both the revenues of an electric and gas utility as well as the expenses of a utility, particularly a hydro-based electric utility.

The rates that traditional regulated utility companies may charge their customers generally are subject to review and limitation by governmental regulatory commissions. Rate changes may occur only after a prolonged approval period or may not occur at all, which could adversely affect utility companies when costs are rising. The value of regulated utility debt securities (and, to a lesser extent, equity securities) tends to have an inverse relationship to the movement of interest rates. Certain utility companies have experienced full or partial deregulation in recent years. These utility companies are frequently more similar to industrial companies in that they are subject to greater competition and have been permitted by regulators to diversify outside of their original geographic regions and their traditional lines of business. As a result, some companies may be forced to defend their core business and may be less profitable. Deregulation may also permit a utility company to expand outside of its traditional lines of business and engage in riskier ventures.

Proxy Voting Policies

The Board has delegated the voting of proxies for each Fund’s securities to BFA pursuant to (i) the Open-End Active and Fixed Income Index Fund Proxy Voting Policy (the “Active Fund Proxy Voting Policy”), with respect to certain Funds, and (ii) the Index Equity Fund Proxy Voting Policy, with respect to certain other Funds, as applicable. Please refer to the table below, which discloses the policy applicable to each Fund in this SAI. Information that does not apply to a Fund does not form a part

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of that Fund’s SAI and should not be relied on by investors in that Fund. Only information that is clearly identified as applicable to a Fund is considered to form a part of that Fund’s SAI.

With respect to Funds covered by the Active Fund Proxy Voting Policy, BFA has adopted the BlackRock Active Investment Stewardship - Global Engagement and Voting Guidelines (the “BAIS Guidelines”). Certain of such Funds, as listed within the Active Fund Proxy Voting Policy and as disclosed in the table below, follow supplemental guidelines within the BAIS Guidelines that are applicable to certain climate and decarbonization issues (the “BAIS Climate and Decarbonization Stewardship Guidelines”).

With respect to Funds covered by the Index Equity Fund Proxy Voting Policy, BFA has adopted the BlackRock Investment Stewardship (“BIS”) Global Benchmark Policy, comprised of the Global Principles for Benchmark Policies, regional voting guidelines, and engagement priorities, which are each available upon request. In addition, certain of such Funds, as listed within the Index Equity Fund Proxy Voting Policy and as disclosed in the table below, follow supplemental guidelines that are applicable to certain climate and decarbonization issues (the “BIS Climate and Decarbonization Stewardship Guidelines”).

Fund

Open-End Active and Fixed Income Index Fund Proxy Voting Policy

BAIS Climate and Decarbonization Stewardship Guidelines Apply Index Equity Fund Proxy Voting Policy

BIS Climate and Decarbonization Stewardship Guidelines Apply iShares Large Cap Accelerated Outcome ETF X

iShares Large Cap Max Buffer Mar ETF X iShares Large Cap Max Buffer Jun ETF X iShares Large Cap Max Buffer Sep ETF X iShares Large Cap Max Buffer Dec ETF X

If a Fund invests in an underlying fund managed by BlackRock, the Fund will use its proxy voting policy when voting on proxies for the underlying fund while the underlying fund will use its proxy voting policy when voting proxies on investments the underlying fund holds. Therefore, the Fund may use the Active Fund Proxy Voting Policy while an underlying fund may use the Index Equity Fund Proxy Voting Policy, and the opposite is also true.

Copies of the Active Fund Proxy Voting Policy, Index Equity Fund Proxy Voting Policy, the BAIS Guidelines, the Global Principles for Benchmark Policies and the BIS Climate and Decarbonization Stewardship Guidelines are included in Appendix A of this SAI.

Information with respect to how proxies relating to each Fund’s portfolio securities, when available, were voted during the 12-month period ended June 30 is available: (i) without charge, upon request, by calling 1-800-iShares (1-800-474-2737) or through the Fund’s website at www.blackrock.com/proxyrecords; and (ii) on the SEC’s website at www.sec.gov.

Portfolio Holdings Information

On each Business Day (as defined in the Creation and Redemption of Creation Units section of this SAI), prior to the opening of regular trading on the Fund’s primary listing exchange, a Fund discloses on its website (www.iShares.com) certain information relating to the portfolio holdings that will form the basis of a Fund’s next net asset value per share calculation.

In addition, certain information may also be made available to certain parties:

• Communications of Data Files: A Fund may make available through the facilities of the National Securities Clearing Corporation (“NSCC”) or through posting on the www.iShares.com, prior to the opening of trading on each business day, a list of a Fund’s holdings (generally pro-rata) that Authorized Participants could deliver to a Fund to settle purchases of a Fund (i.e., Deposit Securities) or that Authorized Participants would receive from a Fund to settle redemptions of a Fund (i.e., Fund Securities). These files are known as the Portfolio Composition File and the Fund Data File (collectively, “Files”). The Files are applicable for the next trading day and are provided to the NSCC and/or posted on www.iShares.com after the close of markets in the U.S.

• Communications with Authorized Participants, Liquidity Providers and Certain Other Third Parties: Certain employees of BlackRock are responsible for interacting with Authorized Participants and liquidity providers with respect to

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discussing custom basket proposals as described in the Custom Baskets section of this SAI. As part of these discussions, these employees may discuss with an Authorized Participant or liquidity provider the securities a Fund is willing to accept for a creation, and securities that a Fund will provide on a redemption.

BlackRock employees may also discuss portfolio holdings-related information with broker/dealers, in connection with settling a Fund’s transactions, and securities lending borrowers in connection with loan transactions, each as may be necessary to conduct business in the ordinary course in a manner consistent with the disclosure in the Fund’s current registration statement.

• Communications with Listing Exchanges: From time to time, employees of BlackRock may discuss portfolio holdings information with the applicable primary listing exchange for a Fund as needed to meet the exchange listing standards.

• Communications with Other Portfolio Managers: Certain information may be provided to employees of BlackRock who manage funds that invest a significant percentage of their assets in shares of an underlying fund as necessary to manage the fund’s investment objective and strategy.

• Communication of Other Information: Certain explanatory information regarding the Files is released to Authorized Participants and liquidity providers on a daily basis, but is only done so after the Files are posted to www.iShares.com.

• Third-Party Service Providers: Certain portfolio holdings information may be disclosed to Fund Trustees and their counsel, outside counsel for the Funds, auditors and to certain third-party service providers ( i.e. , fund administrator, custodian, proxy voting service) for which a non-disclosure, confidentiality agreement or other obligation is in place with such service providers, as may be necessary to conduct business in the ordinary course in a manner consistent with applicable policies, agreements with the Funds, the terms of the current registration statements and federal securities laws and regulations thereunder.

• Liquidity Metrics: “Liquidity Metrics,” which seek to ascertain a Fund’s liquidity profile under BlackRock’s global liquidity risk methodology, include but are not limited to: (a) disclosure regarding the number of days needed to liquidate a portfolio or the portfolio’s underlying investments; and (b) the percentage of a Fund’s NAV invested in a particular liquidity tier under BlackRock’s global liquidity risk methodology. The dissemination of position-level liquidity metrics data and any non-public regulatory data pursuant to the Liquidity Rule (including SEC liquidity tiering) is not permitted unless pre-approved. Disclosure of portfolio-level liquidity metrics prior to 60 calendar days after calendar quarter-end requires a non-disclosure or confidentiality agreement and approval of the Trust’s Chief Compliance Officer. Portfolio level liquidity metrics disclosure subsequent to 60 calendar days after calendar quarter-end requires the approval of portfolio management and must be disclosed to all parties requesting the information if disclosed to any party.

The Trust’s Chief Compliance Officer or his delegate may authorize disclosure of portfolio holdings information pursuant to the above policy and procedures, subject to restrictions on selective disclosure imposed by applicable law. The Board reviews the policy and procedures for disclosure of portfolio holdings information at least annually.

Investment Policies

The Board has adopted as fundamental policies the following numbered investment policies, which cannot be changed without the approval of the holders of a majority of the applicable Fund’s outstanding voting securities. A vote of a majority of the outstanding voting securities of a Fund is defined in the 1940 Act as the lesser of (i) 67% or more of the voting securities present at a shareholder meeting, if the holders of more than 50% of the outstanding voting securities of the Fund are present or represented by proxy, or (ii) more than 50% of outstanding voting securities of the Fund. Each Fund has also adopted certain non-fundamental investment policies, including its investment objective. Non-fundamental investment policies may be changed by the Board without shareholder approval. Therefore, each Fund may change its investment objective without shareholder approval.

Fundamental Investment Policies of the Funds.

The Funds may not: 1. Purchase the securities of issuers conducting their principal business activity in the same industry if, immediately after the purchase and as a result thereof, the value of a Fund’s investments in that industry would equal or exceed 25% of the current value of a Fund’s total assets, provided that this restriction does not limit a Fund’s: (i) investments in

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securities of other investment companies, (ii) investments in securities issued or guaranteed by the U.S. government, its agencies or instrumentalities, or (iii) investments in repurchase agreements collateralized by U.S. government securities. 2. Borrow money, except as permitted under the Investment Company Act. 3. Issue senior securities to the extent such issuance would violate the Investment Company Act. 4. Purchase or hold real estate, except each Fund may purchase and hold securities or other instruments that are secured by, or linked to, real estate or interests therein, securities of real estate investment trusts, mortgage-related securities and securities of issuers engaged in the real estate business, and each Fund may purchase and hold real estate as a result of the ownership of securities or other instruments. 5. Underwrite securities issued by others, except to the extent that the sale of portfolio securities by each Fund may be deemed to be an underwriting or as otherwise permitted by applicable law. 6. Purchase or sell commodities or commodity contracts, except as permitted by the Investment Company Act. 7. Make loans to the extent prohibited by the Investment Company Act.

Notations Regarding each Fund’s Fundamental Investment Policies

The following notations are not considered to be part of each Fund’s fundamental investment policies and are subject to change without shareholder approval.

With respect to the fundamental policy relating to concentration set forth in (1) above, the Investment Company Act does not define what constitutes “concentration” in an industry. The SEC staff has taken the position that investment of 25% or more of a fund’s total assets in one or more issuers conducting their principal activities in the same industry or group of industries constitutes concentration. It is possible that interpretations of concentration could change in the future. The policy in (1) above will be interpreted to refer to concentration as that term may be interpreted from time to time. The policy also will be interpreted to permit investment without limit in the following: securities of the U.S. government and its agencies or instrumentalities; securities of state, territory, possession or municipal governments and their authorities, agencies, instrumentalities or political subdivisions; and repurchase agreements collateralized by any such obligations. Accordingly, issuers of the foregoing securities will not be considered to be members of any industry. There also will be no limit on investment in issuers domiciled in a single jurisdiction or country. Finance companies will be considered to be in the industries of their parents if their activities are primarily related to financing the activities of the parents. Each foreign government will be considered to be a member of a separate industry. With respect to each Fund’s industry classifications, each Fund currently utilizes any one or more of the industry sub-classifications used by one or more widely recognized market indexes or rating group indexes, and/or as defined by Fund management. The policy also will be interpreted to give broad authority to each Fund as to how to classify issuers within or among industries.

With respect to the fundamental policy relating to borrowing money set forth in (2) above, the Investment Company Act permits each Fund to borrow money in amounts of up to one-third of the Fund’s total assets from banks for any purpose, and to borrow up to 5% of the Fund’s total assets from banks or other lenders for temporary purposes. (Each Fund’s total assets include the amounts being borrowed.) To limit the risks attendant to borrowing, the Investment Company Act requires each Fund to maintain at all times an “asset coverage” of at least 300% of the amount of its borrowings. Asset coverage means the ratio that the value of each Fund’s total assets (including amounts borrowed), minus liabilities other than borrowings, bears to the aggregate amount of all borrowings. Borrowing money to increase portfolio holdings is known as “leveraging.” Certain trading practices and investments, such as reverse repurchase agreements, may be considered to be borrowings or involve leverage and thus are subject to the Investment Company Act restrictions. In accordance with Rule 18f 4 under the Investment Company Act, when each Fund engages in reverse repurchase agreements and similar financing transactions, the Fund may either (i) maintain asset coverage of at least 300% with respect to such transactions and any other borrowings in the aggregate, or (ii) treat such transactions as “derivatives transactions” and comply with Rule 18f-4 with respect to such transactions. Short-term credits necessary for the settlement of securities transactions and arrangements with respect to securities lending will not be considered to be borrowings under the policy. Practices and investments that may involve leverage but are not considered to be borrowings are not subject to the policy.

With respect to the fundamental policy relating to underwriting set forth in (5) above, the Investment Company Act does not prohibit a fund from engaging in the underwriting business or from underwriting the securities of other issuers; in fact, in the case of diversified funds, the Investment Company Act permits a fund to have underwriting commitments of up to 25% of its assets under certain circumstances. Those circumstances currently are that the amount of a fund’s underwriting

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commitments, when added to the value of a fund’s investments in issuers where a fund owns more than 10% of the outstanding voting securities of those issuers, cannot exceed the 25% cap. A fund engaging in transactions involving the acquisition or disposition of portfolio securities may be considered to be an underwriter under the 1933 Act. Although it is not believed that the application of the 1933 Act provisions described above would cause a fund to be engaged in the business of underwriting, the policy in (5) above will be interpreted not to prevent a fund from engaging in transactions involving the acquisition or disposition of portfolio securities, regardless of whether a fund may be considered to be an underwriter under the 1933 Act or is otherwise engaged in the underwriting business to the extent permitted by applicable law.

With respect to the fundamental policy relating to lending set forth in (7) above, the Investment Company Act does not prohibit each Fund from making loans (including lending its securities); however, SEC staff interpretations currently prohibit funds from lending more than one-third of their total assets (including lending its securities), except through the purchase of debt obligations or the use of repurchase agreements. In addition, collateral arrangements with respect to options, forward currency and futures transactions and other derivative instruments (as applicable), as well as delays in the settlement of securities transactions, will not be considered loans.

Non-Fundamental Investment Policies of the Funds.

Under its non-fundamental investment restrictions, which may be changed by the Board without shareholder approval, each Fund may not: 1. Purchase shares of any registered open-end investment company or registered unit investment trust, in reliance on Section 12(d)(1)(F) or (G) of the Investment Company Act, at any time the Fund has knowledge that its shares are purchased by another investment company investor in reliance on the provisions of subparagraph (G) of Section 12(d)(1). The foregoing restriction does not restrict the Fund from acquiring the shares of registered open-end investment companies to the extent otherwise permissible under other provisions of the 1940 Act, as interpreted, modified or otherwise permitted by regulatory authority having jurisdiction, from time to time. 2. Under normal market conditions, invest less than 80% of its net assets (plus any borrowings for investment purposes) in securities or other instruments that provide exposure to securities of large capitalization companies or that provide for the upside limit on gains or the downside protection against the losses of securities of large capitalization companies (applicable to the iShares Large Cap Max Buffer Mar ETF, iShares Large Cap Max Buffer Jun ETF, iShares Large Cap Max Buffer Sep ETF and iShares Large Cap Max Buffer Dec ETF).

3. Under normal market conditions, invest less than 80% of its net assets (plus any borrowings for investment purposes) in securities or other instruments that provide exposure to securities of large-capitalization companies or that provide for the Accelerated Return or for the Approximate Cap with respect to securities of large-capitalization companies (applicable to the iShares Large Cap Accelerated Outcome ETF).

A Fund will notify its shareholders at least 60 days prior to any change in its restrictions described in 2 or 3 above.

Notations Regarding each Fund’s Fundamental and Non-Fundamental Investment Policies

Unless otherwise indicated, all limitations under a Fund’s fundamental or non-fundamental investment restrictions apply only at the time that a transaction is undertaken. Any change in the percentage of a Fund’s assets invested in certain securities or other instruments resulting from market fluctuations or other changes in a Fund’s total assets will not require the Fund to dispose of an investment.

Continuous Offering

The method by which Creation Units are created and traded may raise certain issues under applicable securities laws. Because new Creation Units are issued and sold by the Funds on an ongoing basis, at any point a “distribution,” as such term is used in the 1933 Act, may occur. Broker-dealers and other persons are cautioned that some activities on their part may, depending on the circumstances, result in their being deemed participants in a distribution in a manner that could render them statutory underwriters and subject them to the prospectus delivery requirement and liability provisions of the 1933 Act.

For example, a broker-dealer firm or its client may be deemed a statutory underwriter if it takes Creation Units after placing an order with the Distributor, breaks them down into constituent shares and sells such shares directly to customers or if it

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chooses to couple the creation of new shares with an active selling effort involving solicitation of secondary market demand for shares. A determination of whether one is an underwriter for purposes of the 1933 Act must take into account all of the facts and circumstances pertaining to the activities of the broker-dealer or its client in the particular case and the examples mentioned above should not be considered a complete description of all the activities that could lead to a categorization as an underwriter.

Broker-dealer firms should also note that dealers who are not “underwriters” but are effecting transactions in shares, whether or not participating in the distribution of shares, generally are required to deliver a prospectus. This is because the prospectus delivery exemption in Section 4(a)(3) of the 1933 Act is not available in respect of such transactions as a result of Section 24(d) of the 1940 Act. Firms that incur a prospectus delivery obligation with respect to shares of the Funds are reminded that, pursuant to Rule 153 under the 1933 Act, a prospectus delivery obligation under Section 5(b)(2) of the 1933 Act owed to an exchange member in connection with a sale on the Listing Exchange generally is satisfied by the fact that the prospectus is available at the Listing Exchange upon request. The prospectus delivery mechanism provided in Rule 153 is available only with respect to transactions on an exchange.

Management

Trustees and Officers. The Board has responsibility for the overall management and operations of the Funds, including general supervision of the duties performed by BFA and other service providers. Each Trustee serves until he or she resigns, is removed, dies, retires or becomes incapacitated. Each officer shall hold office until his or her successor is elected and qualifies or until his or her death, resignation or removal. Trustees who are not “interested persons” (as defined in the 1940 Act) of the Trust are referred to as independent trustees (“Independent Trustees”).

The registered investment companies advised by BFA or its affiliates (the “BlackRock-advised Funds”) are organized into the BlackRock Multi-Asset Complex, the BlackRock Fixed-Income Complex and the iShares Complex (each, a “BlackRock Fund Complex”). Each Fund is included in the iShares Complex, which includes iShares Trust, iShares U.S. ETF Trust, and iShares, Inc. Each Trustee also serves as a Director of iShares, Inc. and a Trustee of iShares U.S. ETF Trust and, as a result, oversees all of the funds within the iShares Complex, which consists of 424 funds as of November 28, 2025. With the exception of Stephen Cohen, Robert S. Kapito and Aaron Wasserman, the address of each Trustee and officer is c/o BlackRock, Inc., 400 Howard Street, San Francisco, CA 94105. The address of Mr. Kapito and Mr. Wasserman is c/o BlackRock, Inc., 50 Hudson Yards, New York, NY 10001. The address of Mr. Cohen is c/o BlackRock, Inc., Drapers Gardens, 12 Throgmorton Avenue, London EC2N 2DL United Kingdom. The Board has designated John E. Kerrigan as its Independent Board Chair. Additional information about the Funds’ Trustees and officers may be found in this SAI, which is available without charge, upon request, by calling toll-free 1-800-iShares (1-800-474-2737).

Interested Trustees

Name (Year of Birth) Position Principal Occupation(s) During the Past 5 Years Other Directorships Held by Trustee

Robert S. Kapito 1 (1957)

Trustee (since 2009).

President of BlackRock, Inc. (since 2006); Vice Chairman of BlackRock, Inc. and Head of BlackRock’s Portfolio Management Group (since its formation in 1998) and BlackRock, Inc.’s predecessor entities (since 1988); Trustee, University of Pennsylvania (since 2009); President of Board of Directors, Hope & Heroes Children’s Cancer Fund (since 2002).

Director of BlackRock, Inc. (since 2006); Director of iShares, Inc. (since 2009); Trustee of iShares U.S. ETF Trust (since 2011).

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Name (Year of Birth) Position Principal Occupation(s) During the Past 5 Years Other Directorships Held by Trustee

Stephen Cohen 2 (1975)

Trustee (since 2024).

Senior Managing Director, Head of Global Product Solutions of BlackRock, Inc. (since 2024); Senior Managing Director, Head of Europe, Middle East and Africa Regions of BlackRock, Inc. (2021-2024); Head of iShares Index and Wealth in EMEA of BlackRock, Inc. (2017-2021); Global Head of Fixed Income Indexing of BlackRock, Inc. (2016-2017); Chief Investment Strategist for International Fixed Income and iShares of BlackRock, Inc. (20112015).

Director of iShares, Inc. (since 2024); Trustee of iShares U.S. ETF Trust (since 2024).

1 Robert S. Kapito is deemed to be an “interested person” (as defined in the 1940 Act) of the Trust due to his affiliations with BlackRock, Inc. and its affiliates. 2 Stephen Cohen is deemed to be an “interested person” (as defined in the 1940 Act) of the Trust due to his affiliations with BlackRock, Inc. and its affiliates.

Independent Trustees

Name (Year of Birth) Position Principal Occupation(s) During the Past 5 Years Other Directorships Held by Trustee

John E. Kerrigan (1955)

Trustee (since 2005); Independent Board Chair (since 2022).

Chief Investment Officer, Santa Clara University (2002-2025).

Director of iShares, Inc. (since 2005); Trustee of iShares U.S. ETF Trust (since 2011); Independent Board Chair of iShares, Inc. and iShares U.S. ETF Trust (since 2022). Jane D. Carlin (1956)

Trustee (since 2015); Securities Lending Committee Chair (since 2025).

Consultant (since 2012); Member of the Audit Committee (2012-2018), Chair of the Nominating and Governance Committee (2017-2018) and Director of PHH Corporation (mortgage solutions) (2012-2018); Managing Director and Global Head of Financial Holding Company Governance & Assurance and the Global Head of Operational Risk Management of Morgan Stanley (2006-2012).

Director of iShares, Inc. (since 2015); Trustee of iShares U.S. ETF Trust (since 2015); Member of the Audit Committee (since 2016), Chair of the Audit Committee (since 2020) and Director of The Hanover Insurance Group, Inc. (since 2016).

Richard L. Fagnani (1954)

Trustee (since 2017); 15(c) Committee Chair (since 2025).

Partner, KPMG LLP (2002-2016); Director of One Generation Away (since 2021).

Director of iShares, Inc. (since 2017); Trustee of iShares U.S. ETF Trust (since 2017).

Laura F. Fergerson (1962)

Trustee (since 2024); Audit Committee Chair (since 2025).

President, Franklin Templeton Services, LLC (2017-2024); Director of the Board of Crocker Art Museum Association (since 2019); President, Crocker Art Museum Foundation (2022-2023).

Director of iShares, Inc. (since 2024); Trustee of iShares U.S. ETF Trust (since 2024).

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Name (Year of Birth) Position Principal Occupation(s) During the Past 5 Years Other Directorships Held by Trustee

Cecilia H. Herbert (1949)

Trustee (since 2005).

Chair of the Finance Committee (since 2019) and Trustee and Member of the Finance, Audit and Quality Committees of Stanford Health Care (since 2016); Trustee of WNET, New York’s public media company (since 2011) and Member of the Audit Committee (since 2018), Investment Committee (since 2011) and Personnel Committee (since 2022); Member of the Wyoming State Investment Funds Committee (since 2022); Trustee of Forward Funds (14 portfolios) (2009-2018); Trustee of Salient MF Trust (4 portfolios) (2015-2018); Director of the Jackson Hole Center for the Arts (since 2021).

Director of iShares, Inc. (since 2005); Trustee of iShares U.S. ETF Trust (since 2011).

James Lam (1961)

Trustee (since 2024); Risk Committee Chair (since 2025).

President, James Lam & Associates, Inc. (since 2002); Director of the FAIR Institute (since 2020); adjunct professor at Carnegie Mellon University (since 2018); Member, Zicklin School of Business Dean’s Council of Baruch College (since 2017); Director and Audit Committee Chair of RiskLens, Inc. (2018-2023); Director, Risk Oversight Committee Chair and Audit Committee Member of E*TRADE Financial and E*TRADE Bank (2012-2020).

Director of iShares, Inc. (since 2024); Trustee of iShares U.S. ETF Trust (since 2024).

Drew E. Lawton (1959)

Trustee (since 2017); Fixed Income Plus Committee Chair (since 2025).

Senior Managing Director of New York Life Insurance Company (20102015).

Director of iShares, Inc. (since 2017); Trustee of iShares U.S. ETF Trust (since 2017); Director of Jackson Financial Inc. (since 2021). John E. Martinez (1961)

Trustee (since 2003); Equity Plus Committee Chair (since 2025).

Director of Real Estate Equity Exchange, Inc. (since 2005); Director of Cloudera Foundation (2017-2020); and Director of Reading Partners (2012-2016).

Director of iShares, Inc. (since 2003); Trustee of iShares U.S. ETF Trust (since 2011).

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Name (Year of Birth) Position Principal Occupation(s) During the Past 5 Years Other Directorships Held by Trustee

Madhav V. Rajan (1964)

Trustee (since 2011); Nominating and Governance Committee Chair (since 2025).

Dean, and George Pratt Shultz Professor of Accounting, University of Chicago Booth School of Business (since 2017); Advisory Board Member (since 2016) and Director (since 2020) of C.M. Capital Corporation; Chair of the Board for the Center for Research in Security Prices, LLC (since 2020); Director of WellBe Senior Medical (since 2023); Robert K. Jaedicke Professor of Accounting, Stanford University Graduate School of Business (20012017); Professor of Law (by courtesy), Stanford Law School (2005-2017); Senior Associate Dean for Academic Affairs and Head of MBA Program, Stanford University Graduate School of Business (20102016).

Director of iShares, Inc. (since 2011); Trustee of iShares U.S. ETF Trust (since 2011).

Officers

Name (Year of Birth) Position Principal Occupation(s) During the Past 5 Years

Jessica Tan (1980)

President (since 2024).

Managing Director of BlackRock, Inc. (since 2015); Head of Global Product Solutions, Americas of BlackRock, Inc. (since 2024) and Head of Sustainable and Transition Solutions of BlackRock, Inc. (2022-2024); Global Head of Corporate Strategy of BlackRock, Inc. (2019-2022); Chief of Staff to the CEO of BlackRock, Inc. (2017-2019).

Trent Walker (1974)

Treasurer and Chief Financial Officer (since 2020).

Managing Director of BlackRock, Inc. (since 2019); Chief Financial Officer of iShares Delaware Trust Sponsor LLC, BlackRock Funds, BlackRock Funds II, BlackRock Funds IV, BlackRock Funds V and BlackRock Funds VI (since 2021).

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Name (Year of Birth) Position Principal Occupation(s) During the Past 5 Years

Aaron Wasserman (1974)

Chief Compliance Officer (since 2023).

Managing Director of BlackRock, Inc. (since 2018); Chief Compliance Officer of the BlackRock Multi-Asset Complex, the BlackRock Fixed Income Complex and the iShares Complex (since 2023); Deputy Chief Compliance Officer for the BlackRock Multi-Asset Complex, the BlackRock Fixed-Income Complex and the iShares Complex (2014-2023). Marisa Rolland (1980)

Secretary (since 2022).

Managing Director of BlackRock, Inc. (since 2023); Director of BlackRock, Inc. (2018-2022). Jennifer Hsui (1976)

Executive Vice President (since 2022).

Managing Director of BlackRock, Inc. (since 2009); Co-Head of Index Equity of BlackRock, Inc. (since 2022). James Mauro (1970)

Executive Vice President (since 2021).

Managing Director of BlackRock, Inc. (since 2010); Head of Fixed Income Index Investments in the Americas and Head of San Francisco Core Portfolio Management of BlackRock, Inc. (since 2020).

Elise Terry (1977)

Executive Vice President (since 2025).

Managing Director of BlackRock, Inc. (since 2016); Head of U.S. iShares (since 2024); Co-Head of Distribution for U.S. Wealth Advisory (2023-2024); National Sales Manager, Wirehouse Channel (2020-2023). Daniel Prince (1981)

Executive Vice President (since 2025).

Managing Director of BlackRock, Inc. (since 2023); Director of BlackRock, Inc. (2015-2022); Head of U.S. iShares Product (since 2025); Head of iShares Product Consulting (2015-2025).

The Board has concluded that, based on each Trustee’s experience, qualifications, attributes or skills on an individual basis and in combination with those of the other Trustees, each Trustee should serve as a Trustee of the Board. Among the attributes common to all Trustees are their ability to review critically, evaluate, question and discuss information provided to them, to interact effectively with the Funds’ investment adviser, other service providers, counsel and the independent registered public accounting firm, and to exercise effective business judgment in the performance of their duties as Trustees. A Trustee’s ability to perform his or her duties effectively may have been attained through the Trustee’s educational background or professional training; business, consulting, public service or academic positions; experience from service as a Board member of the Funds and the other funds in the Trust (and any predecessor funds), other investment funds, public companies, or non-profit entities or other organizations; and/or other life experiences. Also, set forth below is a brief discussion of the specific experience, qualifications, attributes or skills of each Trustee that led the Board to conclude that he or she should serve (or continue to serve) as a Trustee.

Robert S. Kapito has been a Trustee of the Trust since 2009. Mr. Kapito has also served as a Director of iShares, Inc. since 2009, a Trustee of iShares U.S. ETF Trust since 2011 and a Director of BlackRock, Inc. since 2006. Mr. Kapito served as a Director of iShares MSCI Russia Capped ETF, Inc. from 2010 to 2015. In addition, he has over 20 years of experience as part of

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BlackRock, Inc. and BlackRock’s predecessor entities. Mr. Kapito serves as President of BlackRock, Inc., and is a member of the Global Executive Committee and Chairman of the Global Operating Committee. He is responsible for day-to-day oversight of BlackRock’s key operating units, including Investment Strategies, Client Businesses, Technology & Operations, and Risk & Quantitative Analysis. Prior to assuming his current responsibilities in 2007, Mr. Kapito served as Vice Chairman of BlackRock, Inc. and Head of BlackRock’s Portfolio Management Group. In that role, he was responsible for overseeing all portfolio management within BlackRock, including the Fixed Income, Equity, Liquidity, and Alternative Investment Groups. Mr. Kapito serves as a member of the Board of Trustees of the University of Pennsylvania and the Harvard Business School Board of Dean’s Advisors. He has also been President of the Board of Directors for the Hope & Heroes Children’s Cancer Fund since 2002. Mr. Kapito earned a BS degree in economics from the Wharton School of the University of Pennsylvania in 1979, and an MBA degree from Harvard Business School in 1983.

Stephen Cohen has been a Trustee of the Trust since 2024. Mr. Cohen has also served as a Director of iShares, Inc. and a Trustee of iShares U.S. ETF Trust since 2024. Mr. Cohen has also served as a Director of BlackRock Investment Management (UK) Limited, Director of BlackRock International Limited, and Director of BlackRock Group Limited since 2021. Mr. Cohen, Senior Managing Director, is BlackRock’s Chief Product Officer and a member of the Global Executive Committee. Mr. Cohen is responsible for the business strategy, innovation and commercialization of BlackRock’s full investment product platform, aligning product strategies with client needs and market trends, and unlocking new growth opportunities across iShares, Active, and Private Markets. Before assuming his current role in January 2024, Mr. Cohen served as the Head of Europe, Middle East and Africa from 2021, leading BlackRock in the region. He was previously Head of the iShares, Index and Wealth businesses in EMEA, overseeing BlackRock’s relationships with wealth management firms and platforms, the development and distribution of active and index investments, and the firm’s equity index portfolio management capability in the region. Having joined BlackRock in 2011, Mr. Cohen initially served as the Chief Investment Strategist for International Fixed Income and iShares, and then, in 2016, as Global Head of Fixed Income Indexing. Prior to BlackRock, Mr. Cohen was Global Head of Equity Linked Strategy at Nomura Holdings, Inc. Mr. Cohen’s career began at UBS in 1996 before he joined ING Barings in 2003, having served as Director, Fixed Income at each firm. Mr. Cohen earned a Bachelor of Science degree in Economics from the University of Southampton, and holds certifications as a SFA Futures and Options Representative, a SFA Securities Registered Representative, and an IFPR Material Risk Taker.

John E. Kerrigan has been a Trustee of the Trust since 2005 and Chair of the Trust’s Board since 2022. Mr. Kerrigan has also served as a Director of iShares, Inc. since 2005, a Trustee of iShares U.S. ETF Trust since 2011, Chair of the Equity Plus and Nominating and Governance Committees of each Board from 2019 to 2021, and as Chair of each Board since 2022. Mr. Kerrigan served as a Director of iShares MSCI Russia Capped ETF, Inc. from 2010 to 2015. Mr. Kerrigan served as Chief Investment Officer of Santa Clara University from 2002 to 2025. Mr. Kerrigan was formerly a Managing Director at Merrill Lynch & Co., including the following responsibilities: Managing Director, Institutional Client Division, Western United States. Mr. Kerrigan has been a Director, since 1999, of The BASIC Fund (Bay Area Scholarships for Inner City Children). Mr. Kerrigan has a BA degree from Boston College and is a Chartered Financial Analyst Charterholder.

Jane D. Carlin has been a Trustee of the Trust since 2015 and Chair of the Securities Lending Committee since 2025. Ms. Carlin has also served as a Director of iShares, Inc. and a Trustee of iShares U.S. ETF Trust since 2015 and Chair of the Securities Lending Committee of each Board since 2025. Ms. Carlin has served as a consultant since 2012 and formerly served as Managing Director and Global Head of Financial Holding Company Governance & Assurance and the Global Head of Operational Risk Management of Morgan Stanley from 2006 to 2012. In addition, Ms. Carlin served as Managing Director and Global Head of the Bank Operational Risk Oversight Department of Credit Suisse Group from 2003 to 2006. Prior to that, Ms. Carlin served as Managing Director and Deputy General Counsel of Morgan Stanley. Ms. Carlin has over 30 years of experience in the financial sector and has served in a number of legal, regulatory, and risk management positions. Ms. Carlin has served as a member of the Audit Committee and as a Director of The Hanover Insurance Group, Inc., each since 2016, and as Chair of the Audit Committee since 2020. Ms. Carlin served as a member of the Audit Committee from 2012 to 2018, Chair of the Nominating and Governance Committee from 2017 to 2018 and as an Independent Director on the Board of PHH Corporation from 2012 to 2018. She previously served as a Director on the Boards of Astoria Financial Corporation and Astoria Bank. Ms. Carlin was appointed by the United States Treasury to the Financial Services Sector Coordinating Council for Critical Infrastructure Protection and Homeland Security, where she served as Chairperson from 2010 to 2012 and Vice Chair and Chair of the Cyber Security Committee from 2009 to 2010. Ms. Carlin has a BA degree in political science from State University of New York at Stony Brook and a JD degree from Benjamin N. Cardozo School of Law.

Richard L. Fagnani has been a Trustee of the Trust since 2017 and Chair of the 15(c) Committee since 2025. Mr. Fagnani has also served as a Director of iShares, Inc. and a Trustee of iShares U.S. ETF Trust since 2017 and Chair of the 15(c) Committee

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of each Board since 2025. Mr. Fagnani served as an Advisory Board Member of the Trust, iShares U.S. ETF Trust and iShares, Inc. from April 2017 to June 2017. Mr. Fagnani served as a Senior Audit Partner at KPMG LLP from 2002 to 2016, most recently as the U.S. asset management audit practice leader responsible for setting strategic direction and execution of the operating plan for the asset management audit practice. In addition, from 1977 to 2002, Mr. Fagnani served as an Audit Partner at Andersen LLP, where he developed and managed the asset management audit practice in the Philadelphia office. Mr. Fagnani served as a Trustee on the Board of the Walnut Street Theater in Philadelphia from 2009 to 2014 and as a member of the School of Business Advisory Board at LaSalle University from 2006 to 2014. Mr. Fagnani has also served as a Director of One Generation Away, a non-profit which works to bring healthy food directly to people in need, since 2021. Mr. Fagnani has a BS degree in Accounting from LaSalle University.

Laura F. Fergerson has been a Trustee of the Trust since 2024 and Chair of the Audit Committee of the Trust since 2025. Ms. Fergerson has also served as a Director of iShares, Inc., a Trustee of iShares U.S. ETF Trust since 2024, and Chair of the Audit Committee of each Board since 2025. From 2017 to 2024, Ms. Fergerson was the President of Franklin Templeton Services, LLC where she led the global fund administration division. Prior to that, she held various roles at Franklin Templeton since 1993, which included managing financial and regulatory reporting and global fund tax. Ms. Fergerson has been a Director, since 2019, of the Crocker Art Museum Association and was the President, from 2022 to 2023, of the Crocker Art Museum Foundation. Ms. Fergerson has a BA degree in Economics from the University of California, Berkeley and is a Certified Public Accountant (inactive) and a member of the American Institute of Certified Public Accountants.

Cecilia H. Herbert has been a Trustee of the Trust since 2005. Ms. Herbert has also served as a Director of iShares, Inc. since 2005, a Trustee of iShares U.S. ETF Trust since 2011 and Chair of the Trust’s Board from 2016 to 2021. Ms. Herbert served as a Director of iShares MSCI Russia Capped ETF, Inc. from 2010 to 2015. Previously, Ms. Herbert served as Trustee of the Montgomery Funds from 1992 to 2003, the Pacific Select Funds from 2004 to 2005, the Forward Funds from 2009 to 2018, the Salient Funds from 2015 to 2018 and the Thrivent Church Loan and Income Fund from 2019 to 2022. She has served as a member of the Finance, Audit and Quality Committees and Trustee of Stanford Health Care since 2016 and became Chair of the Finance Committee of Stanford Health Care in 2019. She has served as a Trustee of WNET, New York’s public media station, since 2011 and a Member of its Audit Committee since 2018. She was appointed to the Wyoming State Investment Funds Committee in 2022. She became a member of the Governing Council of the Independent Directors Council in 2018. She served as a Director of the Senior Center of Jackson Hole from 2020 to 2023 and of the Jackson Hole Center for the Arts since 2021. She was President of the Board of Catholic Charities CYO, the largest social services agency in the San Francisco Bay Area, from 2007 to 2011 and a member of that board from 1992 to 2013. From 1973 to 1990 she worked at J.P. Morgan/Morgan Guaranty Trust doing international corporate finance and corporate lending, retiring as Managing Director and Head of the West Coast Office. Ms. Herbert has been on numerous non-profit boards, chairing investment and finance committees. She holds a double major in economics and communications from Stanford University and an MBA from Harvard Business School.

James Lam has been a Trustee of the Trust since 2024 and Chair of the Risk Committee of the Trust since 2025. Mr. Lam has also served as a Director of iShares, Inc., a Trustee of iShares U.S. ETF Trust since 2024, and Chair of the Risk Committee of each Board since 2025. Mr. Lam has over 40 years of experience in corporate governance and risk management as a board director, management consultant, and chief risk officer. He has previously served as a director on public, private, and fund boards, including leadership roles as the chair of the risk, audit, and compliance committees. From 2012 to 2020, Mr. Lam was a Director of E*TRADE Financial and E*TRADE Bank, where he served as Risk Oversight Committee Chair and Audit Committee Member. Mr. Lam has been President of James Lam & Associates, Inc., a risk management consulting firm serving global clients across all major industry sectors, since 2002. Previously, Mr. Lam served as Founder and President of ERisk, a Partner of Oliver Wyman, and the Chief Risk Officer of Fidelity Investments. Mr. Lam has served as a Director of the FAIR Institute, a not-for-profit organization dedicated to advancing the discipline of cyber risk quantification, since 2020. Mr. Lam is the author of “Enterprise Risk Management” and “Implementing Enterprise Risk Management,” leading risk management books. He holds the NACD Directorship Certification and the NACD CERT Certificate in Cyber-Risk Oversight. Mr. Lam has been an adjunct professor at Carnegie Mellon University since 2018 and a member of the Zicklin School of Business Dean’s Council of Baruch College since 2017. Mr. Lam has a BBA from Baruch College and an MBA from the University of California, Los Angeles.

Drew E. Lawton has been a Trustee of the Trust since 2017 and Chair of the Fixed Income Plus Committee of the Trust since 2025. Mr. Lawton has also served as a Director of iShares, Inc., a Trustee of iShares U.S. ETF Trust, and Chair of the Fixed Income Plus Committee of each Board since 2025. Mr. Lawton also served as an Advisory Board Member of the Trust, iShares, Inc. and iShares U.S. ETF Trust from 2016 to 2017. Mr. Lawton served as Director of Principal Funds, Inc., Principal

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Variable Contracts Funds, Inc. and Principal Exchange-Traded Funds from March 2016 to October 2016. Mr. Lawton has also served as a member of the Compensation and Finance and Risk Committees and Director of Jackson Financial Inc. since 2021. Mr. Lawton served in various capacities at New York Life Insurance Company from 2010 to 2015, most recently as a Senior Managing Director and Chief Executive Officer of New York Life Investment Management. From 2008 to 2010, Mr. Lawton was the President of Fridson Investment Advisors, LLC. Mr. Lawton previously held multiple roles at Fidelity Investments from 1997 to 2008. Mr. Lawton has been an Adjunct Professor at the University of North Texas since 2021. Mr. Lawton has a BA degree in Administrative Science from Yale University and an MBA from University of North Texas.

John E. Martinez has been a Trustee of the Trust since 2003 and Chair of the Equity Plus Committee of the Trust since 2025. Mr. Martinez has also served as a Director of iShares, Inc. since 2003, a Trustee of iShares U.S. ETF Trust since 2011, and Chair of the Equity Plus Committee of each Board since 2025. Mr. Martinez served as a Director of iShares MSCI Russia Capped ETF, Inc. from 2010 to 2015. Mr. Martinez is a Director of Real Estate Equity Exchange, Inc., providing governance oversight and consulting services to this privately held firm that develops products and strategies for homeowners in managing the equity in their homes. From 2017 to 2020, Mr. Martinez served as a Board member for the Cloudera Foundation. Mr. Martinez previously served as Director of Barclays Global Investors (“BGI”) UK Holdings, where he provided governance oversight representing BGI’s shareholders (Barclays PLC, BGI management shareholders) through oversight of BGI’s worldwide activities. Mr. Martinez also previously served as Co-Chief Executive Officer of the Global Index and Markets Group of BGI, Chairman of Barclays Global Investor Services and Chief Executive Officer of the Capital Markets Group of BGI. From 2003 to 2012, he was a Director and Executive Committee Member for Larkin Street Youth Services. He now serves on the Larkin Street Honorary Board. From 2012 to 2016, Mr. Martinez served as a Director for Reading Partners. Mr. Martinez has an AB degree in economics from The University of California, Berkeley and holds an MBA degree in finance and statistics from The University of Chicago Booth School of Business.

Madhav V. Rajan has been a Trustee of the Trust since 2011 and Chair of the Nominating and Governance Committee of the Trust since 2025. Mr. Rajan has also served as a Director of iShares, Inc. and a Trustee of iShares U.S. ETF Trust since 2011, and Chair of the Nominating and Governance Committee of each Board since 2025. Mr. Rajan served as a Director of iShares MSCI Russia Capped ETF, Inc. from 2011 to 2015. Mr. Rajan is the Dean and George Pratt Shultz Professor of Accounting at the University of Chicago Booth School of Business and also serves as Chair of the Board for the Center for Research in Security Prices, LLC, an affiliate of the University of Chicago Booth School of Business, since 2020. He has served on the Advisory Board of C.M. Capital Corporation since 2016 and as a Director of C.M. Capital Corporation since 2020. Mr. Rajan has served as a director of WellBe Senior Medical since 2023. From 2001 to 2017, Mr. Rajan was the Robert K. Jaedicke Professor of Accounting at the Stanford University Graduate School of Business. In April 2017, he received the school’s Robert T. Davis Award for Lifetime Achievement and Service. He has taught accounting for over 25 years to undergraduate, MBA and law students, as well as to senior executives. From 2010 to 2016, Mr. Rajan served as the Senior Associate Dean for Academic Affairs and head of the MBA Program at the Stanford University Graduate School of Business. Mr. Rajan served as editor of “The Accounting Review” from 2002 to 2008 and is co-author of “Cost Accounting: A Managerial Emphasis,” a leading cost accounting textbook. From 2013 to 2018, Mr. Rajan served on the Board of Directors of Cavium Inc., a semiconductor company. Mr. Rajan holds MS and PhD degrees in Accounting from Carnegie Mellon University.

Board – Leadership Structure and Oversight Responsibilities

Overall responsibility for oversight of the Funds rests with the Board. The Board has engaged BFA to manage the Funds on a day-to-day basis. The Board is responsible for overseeing BFA and other service providers in the operations of the Funds in accordance with the provisions of the 1940 Act, applicable provisions of state and other laws and the Trust’s charter. The Board is currently composed of eleven members, nine of whom are Independent Trustees. The Board currently conducts regular in person meetings four times a year. In addition, the Board frequently holds special in person or telephonic meetings or informal conference calls to discuss specific matters that may arise or require action between regular meetings. The Independent Trustees meet regularly outside the presence of management, in executive session or with other service providers to the Trust.

The Board has appointed an Independent Trustee to serve in the role of Board Chair. The Board Chair’s role is to preside at all meetings of the Board and to act as a liaison with service providers, officers, attorneys, and other Trustees generally between meetings. The Board Chair may also perform such other functions as may be delegated by the Board from time to time. The Board has established seven standing Committees: a Nominating and Governance Committee, an Audit Committee, a 15(c) Committee, a Securities Lending Committee, a Risk Committee, an Equity Plus Committee and a Fixed Income Plus Committee to assist the Board in the oversight and direction of the business and affairs of the Funds, and from time to time

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the Board may establish ad hoc committees or informal working groups to review and address the policies and practices of the Funds with respect to certain specified matters. The Chair of each standing Committee is an Independent Trustee. The role of the Chair of each Committee is to preside at all meetings of the Committee and to act as a liaison with service providers, officers, attorneys and other Trustees between meetings. Each standing Committee meets regularly to conduct the oversight functions delegated to the Committee by the Board and reports its finding to the Board. The Board and each standing Committee conduct annual assessments of their oversight function and structure. The Board has determined that the Board’s leadership structure is appropriate because it allows the Board to exercise independent judgment over management and it allocates areas of responsibility among committees of Independent Trustees and the full Board to enhance effective oversight.

Day-to-day risk management with respect to the Funds is the responsibility of BFA or other service providers (depending on the nature of the risk), subject to the supervision of BFA. Each Fund is subject to a number of risks, including investment, compliance, operational, reputational, counterparty and valuation risks, among others. While there are a number of risk management functions performed by BFA and other service providers, as applicable, it is not possible to identify and eliminate all of the risks applicable to the Funds. The Trustees have an oversight role in this area, satisfying themselves that risk management processes and controls are in place and operating effectively. Risk oversight forms part of the Board’s general oversight of each Fund and is addressed as part of various Board and committee activities. In some cases, risk management issues are specifically addressed in presentations and discussions. For example, BFA has an independent dedicated Risk and Quantitative Analysis Group (“RQA”) that assists BFA in managing fiduciary and corporate risks, including investment, operational, counterparty credit and enterprise risk. Representatives of RQA meet with the Board to discuss their analysis and methodologies, as well as specific risk topics such as operational and counterparty risks relating to the Funds. The Board, directly or through a committee, also reviews reports from, among others, management and the independent registered public accounting firm for the Trust, as appropriate, regarding risks faced by each Fund and management’s risk functions. The Board has appointed a Chief Compliance Officer who oversees the implementation and testing of the Trust’s compliance program, including assessments by independent third parties, and reports to the Board regarding compliance matters for the Trust and its principal service providers. In testing and maintaining the compliance program, the Chief Compliance Officer (and his or her delegates) assesses key compliance risks affecting each Fund, and addresses them in periodic reports to the Board. In addition, the Audit Committee meets with both the Funds’ independent registered public accounting firm and BFA’s internal audit group to review risk controls in place that support each Fund as well as test results. Board oversight of risk is also performed as needed between meetings through communications between BFA and the Board. The Independent Trustees have engaged independent legal counsel to assist them in performing their oversight responsibilities. From time to time, the Board may modify the manner in which it conducts risk oversight. The Board’s oversight role does not make it a guarantor of the Funds’ investment performance or other activities.

Committees of the Board of Trustees. The members of the Audit Committee are Laura F. Fergerson (Chair), Richard L. Fagnani (Co-Chair from January 1, 2025 to June 30, 2025), Cecilia H. Herbert and John E. Martinez, each of whom is an Independent Trustee. The purposes of the Audit Committee are to assist the Board (i) in its oversight of the Trust’s accounting and financial reporting principles and policies and related controls and procedures maintained by or on behalf of the Trust; (ii) in its oversight of the Trust’s financial statements and the independent audit thereof; (iii) in selecting, evaluating and, where deemed appropriate, replacing the independent accountants (or nominating the independent accountants to be proposed for shareholder approval in any proxy statement); (iv) in evaluating the independence of the independent accountants; (v) in complying with legal and regulatory requirements that relate to the Trust’s accounting and financial reporting, internal controls, compliance controls and independent audits; and (vi) to assume such other responsibilities as may be delegated by the Board. The Audit Committee met five times during the fiscal year ended July 31, 2025.

The members of the Nominating and Governance Committee are Madhav V. Rajan (Chair), Richard L. Fagnani, Laura F. Fergerson, and Cecilia H. Herbert, each of whom is an Independent Trustee. The Nominating and Governance Committee nominates individuals for Independent Trustee membership on the Board and recommends appointments to the Advisory Board. The Nominating and Governance Committee functions include, but are not limited to, the following: (i) reviewing the qualifications of any person properly identified or nominated to serve as an Independent Trustee; (ii) recommending to the Board and current Independent Trustees the nominee(s) for appointment as an Independent Trustee by the Board and current Independent Trustees and/or for election as Independent Trustees by shareholders to fill any vacancy for a position of Independent Trustee(s) on the Board; (iii) recommending to the Board and current Independent Trustees the size and composition of the Board and Board committees and whether they comply with applicable laws and regulations; (iv) recommending a current Independent Trustee to the Board and current Independent Trustees to serve as Board Chair; (v) periodic review of the Board’s retirement policy; and (vi) recommending an appropriate level of compensation for the

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Independent Trustees for their services as Trustees, members or chairpersons of committees of the Board, Board Chair and any other positions as the Nominating and Governance Committee considers appropriate. The Nominating and Governance Committee does not consider Board nominations recommended by shareholders (acting solely in their capacity as a shareholder and not in any other capacity). The Nominating and Governance Committee met three times during the fiscal year ended July 31, 2025.

Each Independent Trustee serves on the 15(c) Committee. The Chair of the 15(c) Committee is Richard L. Fagnani. The principal responsibilities of the 15(c) Committee are to support, oversee and organize on behalf of the Board the process for the annual review and renewal of the Trust’s advisory and sub-advisory agreements. These responsibilities include: (i) meeting with BlackRock, Inc. in advance of the Board meeting at which the Trust’s advisory and sub-advisory agreements are to be considered to discuss generally the process for providing requested information to the Board and the format in which information will be provided; and (ii) considering and discussing with BlackRock, Inc. such other matters and information as may be necessary and appropriate for the Board to evaluate the investment advisory and sub-advisory agreements of the Trust. The 15(c) Committee met two times during the fiscal year ended July 31, 2025.

The members of the Securities Lending Committee are Jane D. Carlin (Chair), James C. Lam, Drew E. Lawton and John E. Martinez, each of whom is an Independent Trustee. The principal responsibilities of the Securities Lending Committee are to support, oversee and organize on behalf of the Board the process for oversight of the Trust’s securities lending activities. These responsibilities include: (i) requesting that certain information be provided to the Committee for its review and consideration prior to such information being provided to the Board; (ii) considering and discussing with BlackRock, Inc. such other matters and information as may be necessary and appropriate for the Board to oversee the Trust’s securities lending activities and make required findings and approvals; and (iii) providing a recommendation to the Board regarding the annual approval of the Trust’s Securities Lending Guidelines and the required findings with respect to, and annual approval of, the Trust’s agreement with the securities lending agent. The Securities Lending Committee met six times during the fiscal year ended July 31, 2025.

The members of the Equity Plus Committee are John E. Martinez (Chair), Jane D. Carlin, Richard L. Fagnani, and Cecilia H. Herbert, each of whom is an Independent Trustee. The principal responsibilities of the Equity Plus Committee are to support, oversee and organize on behalf of the Board the process for oversight of Trust performance and related matters for equity funds. These responsibilities include: (i) reviewing quarterly reports regarding Trust performance, secondary market trading and changes in net assets to identify any matters that should be brought to the attention of the Board; and (ii) considering any performance or investment related matters as may be delegated to the Committee by the Board from time to time and providing a report or recommendation to the Board as appropriate. The Equity Plus Committee met four times during the fiscal year ended July 31, 2025.

The members of the Fixed Income Plus Committee are Drew E. Lawton (Chair), Laura F. Fergerson, James C. Lam and Madhav V. Rajan, each of whom is an Independent Trustee. The principal responsibilities of the Fixed Income Plus Committee are to support, oversee and organize on behalf of the Board the process for oversight of Trust performance and related matters for fixed-income or multi-asset funds. These responsibilities include: (i) reviewing quarterly reports regarding Trust performance, secondary market trading and changes in net assets to identify any matters that should be brought to the attention of the Board; and (ii) considering any performance or investment related matters as may be delegated to the Committee by the Board from time to time and providing a report or recommendation to the Board as appropriate. The Fixed Income Plus Committee met four times during the fiscal year ended July 31, 2025.

The members of the Risk Committee are James C. Lam (Chair), Jane D. Carlin (Co-Chair from January 1, 2025 to June 30, 2025), Cecilia H. Herbert, Drew E. Lawton and Madhav V. Rajan, each of whom is an Independent Trustee. The principal responsibility of the Risk Committee is to consider and organize on behalf of the Board risk related matters of the Funds so the Board may most effectively structure itself to oversee them. The Risk Committee commenced on January 1, 2016. The Risk Committee met five times during the fiscal year ended July 31, 2025.

As the Chair of the Board, John E. Kerrigan may serve as an ex-officio member of each Committee.

The following table sets forth, as of December 31, 2024, the dollar range of equity securities beneficially owned by each Trustee in the Funds and in other registered investment companies overseen by the Trustee within the same family of investment companies as the Trust. If a fund is not listed below, the Trustee did not own any securities in that fund as of the date indicated above:

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Name Fund Dollar Range of Equity Securities in Named Fund

Aggregate Dollar Range of Equity Securities in all Registered Investment Companies Overseen by Trustee in Family of Investment Companies

Robert S. Kapito None None None

Stephen Cohen 1 None None None

John E. Kerrigan iShares Core MSCI Emerging Markets ETF $1-$10,000 Over $100,000 iShares Core S&P 500 ETF Over $100,000 iShares ESG Advanced MSCI EAFE ETF $1-$10,000 iShares ESG Advanced MSCI USA ETF $10,001-$50,000 iShares ESG Aware MSCI EAFE ETF $10,001-$50,000 iShares ESG Aware MSCI EM ETF $1-$10,000

iShares ESG Aware MSCI USA ETF $10,001-$50,000 iShares ESG Aware MSCI USA Small-Cap ETF $10,001-$50,000 iShares ESG MSCI KLD 400 ETF $10,001-$50,000 iShares Future Exponential Technologies ETF Over $100,000 iShares Genomics Immunology and Healthcare ETF

$50,001-$100,000

iShares Global Clean Energy ETF Over $100,000 iShares Global Infrastructure ETF Over $100,000 iShares MSCI ACWI ex U.S. ETF Over $100,000 iShares MSCI EAFE Growth ETF $10,001-$50,000 iShares MSCI EAFE Value ETF $10,001-$50,000 iShares MSCI Emerging Markets ex China ETF $10,001-$50,000 iShares MSCI USA Equal Weighted ETF Over $100,000

iShares ESG Optimized MSCI USA ETF $10,001-$50,000 iShares MSCI USA Quality Factor ETF $10,001-$50,000 iShares S&P 500 Growth ETF $50,001-$100,000 iShares S&P 500 Value ETF $10,001-$50,000 iShares U.S. Infrastructure ETF $1-$10,000 iShares U.S. Technology ETF $10,001-$50,000

Jane D. Carlin iShares Core MSCI EAFE ETF $50,001-$100,000 Over $100,000 iShares Core MSCI Emerging Markets ETF $10,001-$50,000 iShares Core S&P 500 ETF Over $100,000 iShares Core S&P Mid-Cap ETF $10,001-$50,000 iShares Core S&P Small-Cap ETF Over $100,000

iShares Global Clean Energy ETF $1-$10,000 iShares MSCI ACWI ex U.S. ETF $50,001-$100,000

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Name Fund Dollar Range of Equity Securities in Named Fund

Aggregate Dollar Range of Equity Securities in all Registered Investment Companies Overseen by Trustee in Family of Investment Companies

iShares MSCI Global Select Metals and Mining Producers

$10,001-$50,000

iShares Select Dividend ETF $50,001-$100,000 iShares Short Treasury Bond ETF $10,001-$50,000

Richard L. Fagnani iShares Core Dividend Growth ETF Over $100,000 Over $100,000 iShares Core MSCI EAFE ETF $50,001-$100,000 iShares Core MSCI Europe ETF $50,001-$100,000 iShares Core MSCI International Developed Markets ETF

Over $100,000

iShares Core S&P 500 ETF Over $100,000 iShares Core S&P Small-Cap ETF Over $100,000 iShares Core S&P Total U.S. Stock Market ETF Over $100,000 iShares Core S&P U.S. Growth ETF Over $100,000 iShares International Dividend Growth ETF $50,001-$100,000 iShares Morningstar Growth ETF Over $100,000 iShares Morningstar Mid-Cap ETF Over $100,000

iShares Morningstar Mid-Cap Value ETF $10,001-$50,000 iShares MSCI Intl Momentum Factor ETF Over $100,000 iShares MSCI Intl Value Factor ETF $50,001-$100,000 iShares U.S. Real Estate ETF $10,001-$50,000

Laura F. Fergerson 2 iShares Core S&P Small-Cap ETF $50,001-$100,000 Over $100,000

iShares Preferred and Income Securities ETF Over $100,000 iShares Russell 1000 Growth ETF $50,001-$100,000 iShares Russell 2000 Growth ETF $50,001-$100,000

Cecilia H. Herbert iShares 1-5 Year Investment Grade Corporate Bond ETF

$10,001-$50,000 Over $100,000

iShares Core Dividend Growth ETF Over $100,000

iShares Core MSCI Total International Stock ETF $10,001-$50,000 iShares Core S&P 500 ETF Over $100,000 iShares Core S&P U.S. Growth ETF Over $100,000 iShares Core S&P U.S. Value ETF Over $100,000 iShares MSCI USA Value Factor ETF Over $100,000

James Lam 2 iShares 7-10 Year Treasury Bond ETF Over $100,000 Over $100,000

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Name Fund Dollar Range of Equity Securities in Named Fund

Aggregate Dollar Range of Equity Securities in all Registered Investment Companies Overseen by Trustee in Family of Investment Companies

iShares 10-20 Year Treasury Bond ETF $50,001-$100,000 iShares Core S&P 500 ETF Over $100,000 iShares Core S&P Mid-Cap ETF Over $100,000

iShares Dow Jones U.S. ETF Over $100,000 iShares Global Infrastructure ETF $50,001-$100,000 iShares Russell 2000 Growth ETF Over $100,000 iShares Russell 2000 Value ETF Over $100,000 iShares S&P 500 Growth ETF Over $100,000 iShares S&P 500 Value ETF Over $100,000 iShares Semiconductor ETF $50,001-$100,000

iShares TIPS Bond ETF Over $100,000

Drew E. Lawton iShares 1-3 Year Treasury Bond ETF Over $100,000 Over $100,000 iShares 20+ Year Treasury Bond BuyWrite Strategy ETF

$50,001-$100,000

iShares Biotechnology ETF $50,001-$100,000

iShares Core Dividend Growth ETF Over $100,000 iShares Core MSCI Total International Stock ETF $10,001-$50,000 iShares Core S&P Total U.S. Stock Market ETF Over $100,000 iShares Core US Aggregate Bond ETF $50,001-$100,000 iShares Expanded Tech Sector ETF $50,001-$100,000 iShares Future Exponential Technologies ETF Over $100,000 iShares Global Financials ETF $10,001-$50,000

iShares MSCI Japan ETF $50,001-$100,000 iShares U.S. Financial Services ETF $10,001-$50,000 iShares U.S. Financials ETF $10,001-$50,000 iShares U.S. Healthcare ETF Over $100,000

John E. Martinez iShares Core MSCI International Developed Markets ETF

$10,001-$50,000 Over $100,000

iShares Core S&P 500 ETF Over $100,000 iShares Core S&P Small-Cap ETF Over $100,000 iShares Global Consumer Staples ETF $50,001-$100,000 iShares Large Cap Max Buffer Sep ETF Over $100,000 iShares Russell 1000 ETF Over $100,000 iShares Russell 2000 ETF Over $100,000

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Name Fund Dollar Range of Equity Securities in Named Fund

Aggregate Dollar Range of Equity Securities in all Registered Investment Companies Overseen by Trustee in Family of Investment Companies

Madhav V. Rajan iShares Core MSCI International Developed Markets ETF

Over $100,000 Over $100,000

iShares Core S&P 500 ETF Over $100,000

1 Appointed to serve as an Interested Trustee effective March 5, 2024. 2 Appointed to serve as an Independent Trustee effective April 8, 2024.

As of December 31, 2024, none of the Independent Trustees or their immediate family members owned beneficially or of record any securities of BFA (the Funds’ investment adviser), the Distributor or any person controlling, controlled by or under common control with BFA or the Distributor.

Remuneration of Trustees and Advisory Board Members. Effective January 1, 2025, each current Independent Trustee is paid an annual retainer of $475,000 for his or her services as a Board member to the BlackRock-advised Funds in the iShares Complex, together with out-of-pocket expenses in accordance with the Board’s policy on travel and other business expenses relating to attendance at meetings. The annual retainer for services as an Advisory Board Member is the same as the annual retainer for services as a Board member. The Independent Chair of the Board is paid an additional annual retainer of $125,000. The Chair of each of the Audit Committee, Risk Committee, Equity Plus Committee, Fixed Income Plus Committee, Securities Lending Committee, Nominating and Governance Committee and 15(c) Committee is paid an additional annual retainer of $50,000. The Co-Chair of each of the Audit Committee and Risk Committee was paid an additional retainer of $25,000. Prior to January 1, 2025, each Independent Trustee that served as a director of subsidiaries of the iShares Complex was paid an additional annual retainer of $10,000. The table below sets forth the compensation paid to each Independent Trustee for services to the Funds and the aggregate compensation paid to them for services to the iShares Complex. Because BFA has agreed in the Investment Advisory Agreements to cover all operating expenses of the Funds, subject to certain exclusions as provided for therein, BFA pays the compensation from its management fees. Compensation from the iShares Complex is not paid to Interested Trustees.

Trustee

Aggregate Compensation for the Funds in this SAI 1

Pension or Retirement Benefits Accrued as Part of Fund Expenses Estimated Benefits Upon Retirement

Aggregate Compensation for the iShares Complex 2

Interested Trustees:

Robert S. Kapito None Not Applicable Not Applicable None Stephen Cohen 3 None Not Applicable Not Applicable None

Interested Trustees:

Jane D. Carlin $6,050 Not Applicable Not Applicable $505,000 Richard L. Fagnani 5,996 Not Applicable Not Applicable 515,000 Laura F. Fergerson 4 5,251 Not Applicable Not Applicable 341,250 Cecilia H. Herbert 5,806 Not Applicable Not Applicable 525,000 James Lam 4 5,251 Not Applicable Not Applicable 341,250 John E. Kerrigan 6,928 Not Applicable Not Applicable 580,000 Drew E. Lawton 6,094 Not Applicable Not Applicable 500,000 John E. Martinez 5,977 Not Applicable Not Applicable 490,000 Madhav V. Rajan 5,977 Not Applicable Not Applicable 490,000

1 Calculated by multiplying the “Aggregate Compensation for the iShares Complex” by the number of Funds in this SAI compared to the number of funds in the iShares Complex as of the fiscal year end.

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2 Includes compensation for services to iShares, Inc, iShares Trust, and iShares U.S. ETF Trust for the most recent calendar year end. 3 Appointed to serve as an Interested Trustee effective March 5, 2024. 4 Appointed to serve as an Independent Trustee effective April 8, 2024.

Control Persons and Principal Holders of Securities.

The Trustees and officers of the Trust collectively owned less than 1% of each Fund’s outstanding shares as of October 31, 2025.

Although the Trust does not have information concerning the beneficial ownership of shares held in the names of Depository Trust Company (“DTC”) participants (as defined below), as of October 31, 2025, the name and percentage ownership of each DTC participant that owned of record 5% or more of the outstanding shares of a Fund were as follows:

Fund Name Percentage of Ownership

iShares Large Cap Accelerated Outcome ETF State Street Bank and Trust Company 1776 Heritage Drive North Quincy, MA 02171

76.92%

Goldman, Sachs & Co. 30 Hudson Street 16 th Floor Jersey City, NJ 07302

10.39%

iShares Large Cap Max Buffer Mar ETF Charles Schwab & Co., Inc. 101 Montgomery Street San Francisco, CA 94104

38.85%

State Street Bank and Trust Company 1776 Heritage Drive North Quincy, MA 02171

29.41%

National Financial Services LLC 245 Summer Street Boston, MA 02210

14.13%

Goldman, Sachs & Co. 30 Hudson Street 16 th Floor Jersey City, NJ 07302

5.97%

iShares Large Cap Max Buffer Jun ETF Charles Schwab & Co., Inc. 101 Montgomery Street San Francisco, CA 94104

49.37%

National Financial Services LLC 245 Summer Street Boston, MA 02210

32.15%

iShares Large Cap Max Buffer Sep ETF Charles Schwab & Co., Inc. 101 Montgomery Street San Francisco, CA 94104

66.96%

National Financial Services LLC 245 Summer Street Boston, MA 02210

19.83%

iShares Large Cap Max Buffer Dec ETF Charles Schwab & Co., Inc. 101 Montgomery Street San Francisco, CA 94104

40.34%

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Fund Name Percentage of Ownership

National Financial Services LLC 245 Summer Street Boston, MA 02210

35.22%

State Street Bank and Trust Company 1776 Heritage Drive North Quincy, MA 02171

13.70%

Conflicts of Interest. Certain activities of BlackRock, Inc., BlackRock Advisors, LLC, BlackRock Fund Advisors and the other subsidiaries of BlackRock, Inc. (collectively referred to in this section as “BlackRock”) and their respective directors, officers or employees, with respect to the Funds and/or other accounts managed by BlackRock, may give rise to actual or perceived conflicts of interest such as those described below.

BlackRock is one of the world’s largest asset management firms. BlackRock, its subsidiaries and their respective directors, officers and employees, including the business units or entities and personnel who may be involved in the investment activities and business operations of a Fund, are engaged worldwide in businesses, including managing equities, fixed income securities, cash and alternative investments, and other financial services, and have interests other than that of managing the Funds. These are considerations of which investors in a Fund should be aware, and which may cause conflicts of interest that could disadvantage a Fund and its shareholders. These businesses and interests include potential multiple advisory, transactional, financial and other relationships with, or interests in companies and interests in securities or other instruments that may be purchased or sold by a Fund.

BlackRock has proprietary interests in, and may manage or advise with respect to, accounts or funds (including separate accounts and other funds and collective investment vehicles) that have investment objectives similar to those of a Fund and/or that engage in transactions in the same types of securities, currencies and instruments as the Fund. BlackRock is also a major participant in the global currency, equities, swap and fixed income markets, in each case, for the accounts of clients and, in some cases, on a proprietary basis. As such, BlackRock is or may be actively engaged in transactions in the same securities, currencies, and instruments in which a Fund invests.

Such activities could affect the prices and availability of the securities, currencies, and instruments in which a Fund invests, which could have an adverse impact on a Fund’s performance. Such transactions, particularly in respect of most proprietary accounts or client accounts, will be executed independently of a Fund’s transactions and thus at prices or rates that may be more or less favorable than those obtained by the Fund. In addition, the portfolio holdings of certain BlackRock-advised investment vehicles managed in an identical or substantially similar manner as certain Funds are made publicly available on a more timely basis than the applicable Fund. In some cases, such portfolio holdings are made publicly available on a daily basis. While not expected, it is possible that a recipient of portfolio holdings information for such an investment vehicle could cause harm to a Fund that is managed in an identical or substantially similar manner, including by trading ahead of or against such Fund based on the information received.

When BlackRock seeks to purchase or sell the same assets for client accounts, including a Fund, the assets actually purchased or sold may be allocated among the accounts on a basis determined in its good faith discretion to be equitable. In some cases, this system may adversely affect the size or price of the assets purchased or sold for a Fund. In addition, transactions in investments by one or more other accounts managed by BlackRock may have the effect of diluting or otherwise disadvantaging the values, prices or investment strategies of a Fund, particularly, but not limited to, with respect to small capitalization, emerging market or less liquid strategies. This may occur with respect to BlackRock-advised accounts when investment decisions regarding a Fund are based on research or other information that is also used to support decisions for other accounts. When BlackRock implements a portfolio decision or strategy on behalf of another account ahead of, or contemporaneously with, similar decisions or strategies for a Fund, market impact, liquidity constraints, or other factors could result in the Fund receiving less favorable trading results and the costs of implementing such decisions or strategies could be increased or the Fund could otherwise be disadvantaged. BlackRock may, in certain cases, elect to implement internal policies and procedures designed to limit such consequences, which may cause a Fund to be unable to engage in certain activities, including purchasing or disposing of securities, when it might otherwise be desirable for it to do so.

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Conflicts may also arise because portfolio decisions regarding a Fund may benefit other accounts managed by BlackRock. For example, the sale of a long position or establishment of a short position by a Fund may impair the price of the same security sold short by (and therefore benefit) BlackRock or its other accounts or funds, and the purchase of a security or covering of a short position in a security by a Fund may increase the price of the same security held by (and therefore benefit) BlackRock or its other accounts or funds.

BlackRock, on behalf of other client accounts, on the one hand, and a Fund, on the other hand, may invest in or extend credit to different parts of the capital structure of a single issuer. BlackRock may pursue rights, provide advice or engage in other activities, or refrain from pursuing rights, providing advice or engaging in other activities, on behalf of other clients with respect to an issuer in which a Fund has invested, and such actions (or refraining from action) may have a material adverse effect on the Fund. In situations in which clients of BlackRock (including the Funds) hold positions in multiple parts of the capital structure of an issuer, BlackRock may not pursue certain actions or remedies that may be available to a Fund, as a result of legal and regulatory requirements or otherwise. BlackRock addresses these and other potential conflicts of interest based on the facts and circumstances of particular situations. For example, BlackRock may determine to rely on information barriers between different business units or portfolio management teams. BlackRock may also determine to rely on the actions of similarly situated holders of loans or securities rather than, or in connection with, taking such actions itself on behalf of the Funds.

In addition, to the extent permitted by applicable law, certain Funds may invest their assets in other funds advised by BlackRock, including funds that are managed by one or more of the same portfolio managers, which could result in conflicts of interest relating to asset allocation, timing of Fund purchases and redemptions or sales, and increased remuneration and profitability for BlackRock and/or its personnel, including portfolio managers.

In certain circumstances, BlackRock, on behalf of the Funds, may seek to buy from or sell securities to another fund or account advised by BlackRock. BlackRock may (but is not required to) effect purchases and sales between BlackRock clients (“cross trades”), including the Funds, if BlackRock believes such transactions are appropriate based on each party’s investment objectives and guidelines, subject to applicable law and regulation. There may be potential conflicts of interest or regulatory issues relating to these transactions which could limit BlackRock’s decision to engage in these transactions for the Funds. BlackRock may have a potentially conflicting division of loyalties and responsibilities to the parties in such transactions.

BlackRock and its clients may pursue or enforce rights with respect to an issuer in which a Fund has invested, and those activities may have an adverse effect on the Fund. As a result, prices, availability, liquidity and terms of the Fund’s investments may be negatively impacted by the activities of BlackRock or its clients, and transactions for the Fund may be impaired or effected at prices or terms that may be less favorable than would otherwise have been the case.

The results of a Fund’s investment activities may differ significantly from the results achieved by BlackRock for its proprietary accounts or other accounts (including investment companies or collective investment vehicles) that it manages or advises. It is possible that one or more accounts managed or advised by BlackRock and such other accounts will achieve investment results that are substantially more or less favorable than the results achieved by a Fund. Moreover, it is possible that a Fund will sustain losses during periods in which one or more proprietary or other accounts managed or advised by BlackRock achieve significant profits. The opposite result is also possible.

From time to time, a Fund may be restricted from purchasing or selling securities, or from engaging in other investment activities because of regulatory, legal or contractual requirements applicable to BlackRock or other accounts managed or advised by BlackRock, and/or the internal policies of BlackRock designed to comply with such requirements. As a result, there may be periods, for example, when BlackRock will not initiate or recommend certain types of transactions in certain securities or instruments with respect to which BlackRock is performing services or when position limits have been reached. For example, the investment activities of BlackRock for its proprietary accounts and accounts under its management may limit the investment opportunities for a Fund in certain emerging and other markets in which limitations are imposed upon the amount of investment, in the aggregate or in individual issuers, by affiliated foreign investors.

In connection with its management of a Fund, BlackRock may have access to certain fundamental analysis and proprietary technical models developed by BlackRock. BlackRock will not be under any obligation, however, to effect transactions on behalf of a Fund in accordance with such analysis and models. In addition, BlackRock will not have any obligation to make available any information regarding its proprietary activities or strategies, or the activities or strategies used for other accounts managed by them, for the benefit of the management of a Fund and it is not anticipated that BlackRock will have

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access to such information for the purpose of managing the Fund. The proprietary activities or portfolio strategies of BlackRock, or the activities or strategies used for accounts managed by BlackRock or other client accounts could conflict with the transactions and strategies employed by BlackRock in managing a Fund.

The Funds may be included in investment models developed by BlackRock for use by clients and financial advisors. To the extent clients invest in these investment models and increase the assets under management of the Funds, the investment management fee amounts paid by the Funds to BlackRock may also increase. The net asset value and liquidity of a Fund may be impacted by purchases and sales of the Fund by model-driven investment portfolios, as well as by BlackRock itself and by its advisory clients. In addition, certain principals and certain employees of a Fund’s investment adviser are also principals or employees of other business units or entities within BlackRock. As a result, these principals and employees may have obligations to such other business units or entities or their clients and such obligations to other business units or entities or their clients may be a consideration of which investors in a Fund should be aware.

BlackRock may enter into transactions and invest in securities, instruments and currencies on behalf of a Fund in which clients of BlackRock, or, to the extent permitted by the SEC and applicable law, BlackRock, serves as the counterparty, principal or issuer. In such cases, such party’s interests in the transaction will be adverse to the interests of the Fund, and such party may have no incentive to assure that the Fund obtains the best possible prices or terms in connection with the transactions. In addition, the purchase, holding and sale of such investments by a Fund may enhance the profitability of BlackRock.

BlackRock may also create, write or issue derivatives for clients, the underlying securities, currencies or instruments of which may be those in which a Fund invests or which may be based on the performance of the Fund. Additionally, an affiliate of BlackRock will create, write or issue options, which may be based on the performance of certain Funds. BlackRock has entered into an arrangement with Markit Indices Limited, the index provider for underlying fixed-income indexes used by certain iShares ETFs, related to derivative fixed-income products that are based on such iShares ETFs. Trading activity in these derivative products could also potentially lead to greater liquidity for such products, increased purchase activity with respect to these iShares ETFs and increased assets under management for BlackRock. A Fund may, subject to applicable law, purchase investments that are the subject of an underwriting or other distribution by BlackRock and may also enter into transactions with other clients of BlackRock where such other clients have interests adverse to those of the Fund. At times, these activities may cause business units or entities within BlackRock to give advice to clients that may cause these clients to take actions adverse to the interests of the Fund. To the extent such transactions are permitted, a Fund will deal with BlackRock on an arms-length basis.

To the extent authorized by applicable law, BlackRock may act as broker, dealer, agent, lender or adviser or in other commercial capacities for a Fund. It is anticipated that the commissions, mark-ups, markdowns, financial advisory fees, underwriting and placement fees, sales fees, financing and commitment fees, brokerage fees, other fees, compensation or profits, rates, terms and conditions charged by BlackRock will be in its view commercially reasonable, although BlackRock, including its sales personnel, will have an interest in obtaining fees and other amounts that are favorable to BlackRock and such sales personnel, which may have an adverse effect on the Funds. Index based funds may use an index provider that is affiliated with another service provider of the Fund or BlackRock that acts as a broker, dealer, agent, lender or in other commercial capacities for a Fund or BlackRock.

Subject to applicable law, BlackRock (and its personnel and other distributors) will be entitled to retain fees and other amounts that they receive in connection with their service to the Funds as broker, dealer, agent, lender, adviser or in other commercial capacities. No accounting to the Funds or their shareholders will be required, and no fees or other compensation payable by the Funds or their shareholders will be reduced by reason of receipt by BlackRock of any such fees or other amounts.

When BlackRock acts as broker, dealer, agent, adviser or in other commercial capacities in relation to the Funds, BlackRock may take commercial steps in its own interests, which may have an adverse effect on the Funds. A Fund will be required to establish business relationships with its counterparties based on the Fund’s own credit standing. BlackRock will not have any obligation to allow its credit to be used in connection with a Fund’s establishment of its business relationships, nor is it expected that the Fund’s counterparties will rely on the credit of BlackRock in evaluating the Fund’s creditworthiness.

BTC, an affiliate of BlackRock, pursuant to SEC exemptive relief, acts as securities lending agent to, and receives a share of securities lending revenues from, the Funds. BlackRock will also receive compensation for managing the reinvestment of the cash collateral from securities lending. There are potential conflicts of interests in managing a securities lending program,

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including but not limited to: (i) BlackRock as securities lending agent may have an incentive to, among other things, increase or decrease the amount of securities on loan or to lend particular securities in order to generate additional risk-adjusted revenue for BlackRock and its affiliates; and (ii) BlackRock as securities lending agent may have an incentive to allocate loans to clients that would provide more revenue to BlackRock. As described further below, BlackRock seeks to mitigate this conflict by providing its securities lending clients with equal lending opportunities over time in order to approximate pro rata allocation.

As part of its securities lending program, BlackRock indemnifies the Funds and certain other clients and/ or funds against a shortfall in collateral in the event of borrower default. On a regular basis, BlackRock calculates the potential dollar exposure of collateral shortfall resulting from a borrower default (“shortfall risk”) in the securities lending program. BlackRock establishes program-wide borrower limits (“credit limits”) to actively manage borrower-specific credit exposure. BlackRock oversees the risk model that calculates projected collateral shortfall values using loan-level factors such as loan and collateral type and market value as well as specific borrower credit characteristics. When necessary, BlackRock may adjust securities lending program attributes by restricting eligible collateral or reducing borrower credit limits. As a result, the management of program-wide exposure as well as BlackRock-specific indemnification exposure may affect the amount of securities lending activity BlackRock may conduct at any given point in time by reducing the volume of lending opportunities for certain loans (including by asset type, collateral type and/or revenue profile).

BlackRock may decline to make a securities loan on behalf of a Fund, discontinue lending on behalf of a Fund or terminate a securities loan on behalf of a Fund for any reason, including but not limited to regulatory requirements and/or market rules, liquidity considerations, or credit considerations, which may impact Funds by reducing or eliminating the volume of lending opportunities for certain types of loans, loans in particular markets, loans of particular securities or types of securities, or for loans overall. In addition, some borrowers may prefer certain BlackRock lenders that provide additional protections against lender default that are favored by their prudential regulation.

BlackRock uses a predetermined systematic process in order to approximate pro rata allocation over time. In order to allocate a loan to a portfolio: (i) BlackRock as a whole must have sufficient lending capacity pursuant to the various program limits ( i.e ., indemnification exposure limit and borrower credit limits); (ii) the lending portfolio must hold the asset at the time a loan opportunity arrives; and (iii) the lending portfolio must also have enough inventory, either on its own or when aggregated with other portfolios into one single market delivery, to satisfy the loan request. In doing so, BlackRock seeks to provide equal lending opportunities for all portfolios, independent of whether BlackRock indemnifies the portfolio. Equal opportunities for lending portfolios does not guarantee equal outcomes. Specifically, short and long-term outcomes for individual clients may vary due to asset mix, asset/liability spreads on different securities, and the overall limits imposed by the firm.

Purchases and sales of securities and other assets for a Fund may be bunched or aggregated with orders for other BlackRock client accounts, including with accounts that pay different transaction costs solely due to the fact that they have different research payment arrangements. BlackRock, however, is not required to bunch or aggregate orders if portfolio management decisions for different accounts are made separately, or if they determine that bunching or aggregating is not practicable or required, or in cases involving client direction.

Prevailing trading activity frequently may make impossible the receipt of the same price or execution on the entire volume of securities purchased or sold. When this occurs, the various prices may be averaged, and the Funds will be charged or credited with the average price. Thus, the effect of the aggregation may operate on some occasions to the disadvantage of the Funds. In addition, under certain circumstances, the Funds will not be charged the same commission or commission equivalent rates in connection with a bunched or aggregated order.

BlackRock does not currently enter into arrangements to use the Fund’s assets for, or participate in, soft dollars, although BlackRock may receive research that is bundled with the trade execution, clearing, and/or settlement services provided by a particular broker-dealer. To the extent that BlackRock receives research on this basis, many of the same conflicts related to traditional soft dollars may exist. For example, the research effectively will be paid by client commissions that also will be used to pay for the execution, clearing, and settlement services provided by the broker-dealer and will not be paid by BlackRock.

Subject to applicable law, BlackRock may select brokers that furnish BlackRock, the Funds, other BlackRock client accounts or personnel, directly or through correspondent relationships, with research or other appropriate services which provide, in BlackRock’s view, appropriate assistance to BlackRock in the investment decision-making process (including with respect to

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futures, fixed-price offerings and OTC transactions). Such research or other services may include, to the extent permitted by law, research reports on companies, industries and securities; economic and financial data; financial publications; proxy analysis; trade industry seminars; computer data bases; research-oriented software and other services and products.

Research or other services obtained in this manner may be used in servicing any or all of the Funds and other BlackRock client accounts, including in connection with BlackRock client accounts other than those that pay commissions to the broker relating to the research or other service arrangements. Such products and services may disproportionately benefit other BlackRock client accounts relative to the Funds based on the amount of brokerage commissions paid by the Funds and such other BlackRock client accounts. For example, research or other services that are paid for through one client’s commissions may not be used in managing that client’s account. In addition, other BlackRock client accounts may receive the benefit, including disproportionate benefits, of economies of scale or price discounts in connection with products and services that may be provided to the Funds and to such other BlackRock client accounts. To the extent that BlackRock uses soft dollars, it will not have to pay for those products and services itself.

BlackRock, unless prohibited by applicable law, may endeavor to execute trades through brokers who, pursuant to such arrangements, provide research or other services in order to ensure the continued receipt of research or other services BlackRock believes are useful in its investment decision-making process. BlackRock may from time to time choose not to engage in the above described arrangements to varying degrees. BlackRock, unless prohibited by applicable law, may also enter into commission sharing arrangements under which BlackRock may execute transactions through a broker-dealer and request that the broker-dealer allocate a portion of the commissions or commission credits to another firm that provides research to BlackRock. To the extent that BlackRock engages in commission sharing arrangements, many of the same conflicts related to traditional soft dollars may exist.

BlackRock may utilize certain electronic crossing networks (“ECNs”) (including, without limitation, ECNs in which BlackRock has an investment or other interest, to the extent permitted by applicable law) in executing client securities transactions for certain types of securities. These ECNs may charge fees for their services, including access fees and transaction fees. The transaction fees, which are similar to commissions or markups/markdowns, will generally be charged to clients and, like commissions and markups/markdowns, would generally be included in the cost of the securities purchased. Access fees may be paid by BlackRock even though incurred in connection with executing transactions on behalf of clients, including the Funds. In certain circumstances, ECNs may offer volume discounts that will reduce the access fees typically paid by BlackRock. BlackRock will only utilize ECNs consistent with its obligation to seek to obtain best execution in client transactions.

BlackRock owns a minority interest in, and is a member of, Members Exchange (“MEMX”), a newly created U.S. stock exchange. Transactions for a Fund may be executed on MEMX if third party brokers select MEMX as the appropriate venue for execution of orders placed by BlackRock traders on behalf of client portfolios. In addition, transactions in ETF shares may be executed on MEMX if third party brokers select MEMX as the appropriate venue for the execution of such orders.

BlackRock has adopted policies and procedures designed to prevent conflicts of interest from influencing proxy voting decisions that it makes on behalf of advisory clients, including the Funds, and to help ensure that such decisions are made in accordance with BlackRock’s fiduciary obligations to its clients. Nevertheless, notwithstanding such proxy voting policies and procedures, actual proxy voting decisions of BlackRock may have the effect of favoring the interests of other clients or businesses of other divisions or units of BlackRock, provided that BlackRock believes such voting decisions to be in accordance with its fiduciary obligations. For a more detailed discussion of these policies and procedures, see “Proxy Voting Policies.”

It is also possible that, from time to time, BlackRock and /or its advisory clients (including other funds and separately managed accounts) may, subject to compliance with applicable law, purchase and hold shares of a Fund. Increasing a Fund’s assets may enhance investment flexibility and diversification and may contribute to economies of scale that tend to reduce the Fund’s expense ratio.

BlackRock reserves the right, subject to compliance with applicable law, to sell into the market or redeem in Creation Units through an Authorized Participant at any time some or all of the shares of the Fund acquired for its own accounts or the account of a BlackRock advisory client. A large sale or redemption of shares of the Fund by BlackRock itself or a BlackRock advisory client could significantly reduce the asset size of the Fund, which might have an adverse effect on the Fund’s liquidity, investment flexibility, portfolio diversification, expense ratio or ability to comply with the listing requirements for the Fund.

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It is possible that a Fund may invest in securities of, or engage in transactions with, companies in which BlackRock has significant debt or equity investments or other interests. A Fund may also invest in issuances (such as structured notes) by entities for which BlackRock provides and is compensated for cash management services relating to the proceeds from the sale of such issuances. In making investment decisions for a Fund, BlackRock is not permitted to obtain or use material non public information acquired by any unit of BlackRock, in the course of these activities. In addition, from time to time, the activities of BlackRock may limit a Fund’s flexibility in purchases and sales of securities. As indicated below, BlackRock may engage in transactions with companies in which BlackRock-advised funds or other clients of BlackRock have an investment.

BlackRock and its personnel and other financial service providers may have interests in promoting sales of the Funds. With respect to BlackRock and its personnel, the remuneration and profitability relating to services to and sales of the Funds or other products may be greater than remuneration and profitability relating to services to and sales of certain funds or other products that might be provided or offered. BlackRock and its sales personnel may directly or indirectly receive a portion of the fees and commissions charged to the Funds or their shareholders. BlackRock and its advisory or other personnel may also benefit from increased amounts of assets under management. Fees and commissions may also be higher than for other products or services, and the remuneration and profitability to BlackRock and such personnel resulting from transactions on behalf of or management of the Funds may be greater than the remuneration and profitability resulting from other funds or products.

Third parties, including service providers to BlackRock or the Fund, may sponsor events (including, but not limited to, marketing and promotional activities and presentations, educational training programs and conferences) for registered representatives, other professionals and individual investors. There is a potential conflict of interest as such sponsorships may defray the costs of such activities to BlackRock, and may provide an incentive to BlackRock to retain such third parties to provide services to the Fund.

BlackRock may provide valuation assistance to certain clients with respect to certain securities or other investments and the valuation recommendations made for such clients’ accounts may differ from the valuations for the same securities or investments assigned by a Fund’s pricing vendors, especially if such valuations are based on broker-dealer quotes or other data sources unavailable to the Fund’s pricing vendors. While BlackRock will generally communicate its valuation information or determinations to a Fund’s pricing vendors and/or fund accountants, there may be instances where the Fund’s pricing vendors or fund accountants assign a different valuation to a security or other investment than the valuation for such security or investment determined or recommended by BlackRock.

As disclosed in more detail in “Determination of Net Asset Value” in this SAI, when market quotations are not readily available or are believed by BlackRock to be unreliable, a Fund’s investments are valued at fair value by BlackRock. BlackRock has been designated as the Fund’s valuation designee pursuant to Rule 2a-5 under the Investment Company Act and acts through BlackRock’s Rule 2a-5 Committee (the “2a-5 Committee”), with assistance from other BlackRock pricing committees and in accordance with BlackRock’s policies and procedures (the “Valuation Procedures”). When determining a “fair value price,” the 2a-5 Committee seeks to determine the price that a Fund might reasonably expect to receive from the current sale of that asset or liability in an arm’s-length transaction. The price generally may not be determined based on what a Fund might reasonably expect to receive for selling an asset or liability at a later time or if it holds the asset or liability to maturity. While fair value determinations will be based upon all available factors that BlackRock deems relevant at the time of the determination, and may be based on analytical values determined by BlackRock using proprietary or third party valuation models, fair value represents only a good faith approximation of the value of an asset or liability. The fair value of one or more assets or liabilities may not, in retrospect, be the price at which those assets or liabilities could have been sold during the period in which the particular fair values were used in determining a Fund’s NAV. As a result, a Fund’s sale or redemption of its shares at NAV, at a time when a holding or holdings are valued by the 2a-5 Committee at fair value, may have the effect of diluting or increasing the economic interest of existing shareholders and may affect the amount of revenue received by BlackRock with respect to services for which it receives an asset-based fee.

To the extent permitted by applicable law, a Fund may invest all or some of its short term cash investments in any money market fund or similarly-managed private fund advised or managed by BlackRock. In connection with any such investments, a Fund, to the extent permitted by the Investment Company Act, may pay its share of expenses of a money market fund or other similarly managed private fund in which it invests, which may result in a Fund bearing some additional expenses.

BlackRock and its directors, officers and employees, may buy and sell securities or other investments for their own accounts and may have conflicts of interest with respect to investments made on behalf of a Fund. As a result of differing trading and

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investment strategies or constraints, positions may be taken by directors, officers and employees of BlackRock that are the same, different from or made at different times than positions taken for the Fund. To lessen the possibility that a Fund will be adversely affected by this personal trading, the Fund, BRIL and BlackRock each have adopted a Code of Ethics in compliance with Section 17(j) of the Investment Company Act that restricts securities trading in the personal accounts of investment professionals and others who normally come into possession of information regarding the Fund’s portfolio transactions. Each Code of Ethics is also available on the EDGAR Database on the SEC’s Internet site at http://www.sec.gov, and copies may be obtained, after paying a duplicating fee, by e-mail at publicinfo@sec.gov.

BlackRock will not purchase securities or other property from, or sell securities or other property to, a Fund, except that the Fund may in accordance with rules or guidance adopted under the Investment Company Act engage in transactions with another Fund or accounts that are affiliated with the Fund as a result of common officers, directors, or investment advisers or pursuant to exemptive orders granted to the Funds and/or BlackRock by the SEC. These transactions would be effected in circumstances in which BlackRock determined that it would be appropriate for the Fund to purchase and another client of BlackRock to sell, or the Fund to sell and another client of BlackRock to purchase, the same security or instrument on the same day. From time to time, the activities of a Fund may be restricted because of regulatory requirements applicable to BlackRock and/or BlackRock’s internal policies designed to comply with, limit the applicability of, or otherwise relate to such requirements. A client not advised by BlackRock would not be subject to some of those considerations. There may be periods when BlackRock may not initiate or recommend certain types of transactions, or may otherwise restrict or limit its advice in certain securities or instruments issued by or related to companies for which BlackRock is performing advisory or other services or has proprietary positions. For example, when BlackRock is engaged to provide advisory or risk management services for a company, BlackRock may be prohibited from or limited in purchasing or selling securities of that company on behalf of a Fund, particularly where such services result in BlackRock obtaining material non-public information about the company ( e.g ., in connection with participation in a creditors’ committee). Similar situations could arise if personnel of BlackRock serve as directors of companies the securities of which the Funds wish to purchase or sell. However, if permitted by applicable law, and where consistent with BlackRock’s policies and procedures (including the necessary implementation of appropriate information barriers), the Funds may purchase securities or instruments that are issued by such companies, are the subject of an advisory or risk management assignment by BlackRock, or where personnel of BlackRock are directors or officers of the issuer.

BlackRock has adopted and implemented policies and procedures that are designed to address potential conflicts that arise in connection with the advisory services BlackRock provides to Funds and other clients. Certain BlackRock advisory personnel may take views, and make decisions or recommendations, that are different than or opposite those of other BlackRock advisory personnel. Certain portfolio management teams within BlackRock may make decisions or take (or refrain from taking) actions with respect to clients they advise in a manner different than or adverse to the decisions made or the actions taken (or not taken) by the Funds’ portfolio management teams. The various portfolio management teams may not share information with each other, including as a result of certain information barriers and other policies, and will not have any obligation or other duty to do so.

BlackRock has established certain information barriers and other policies to address the sharing of information between different businesses within BlackRock, including, effective on or about January 21, 2025, with respect to personnel responsible with managing portfolios and voting proxies with respect to certain index equity portfolios versus those responsible for managing portfolios and voting proxies with respect to all other portfolios. As a result of information barriers, certain units of BlackRock generally will not have access, or will have limited access, to certain information and personnel, including senior personnel, in other units of BlackRock, and generally will not manage the Funds with the benefit of information possessed by such other units. Therefore, BlackRock may not be able to review potential investments for the Funds with the benefit of information held by certain areas of BlackRock.

BlackRock may determine to move certain personnel, businesses, or business units from one side of an information barrier to the other side of the information barrier. In connection therewith, BlackRock personnel, businesses, and business units that were moved will no longer have access to the information and personnel from the side of the information barrier from which they were moved. Information obtained in connection with such changes to information barriers may limit or restrict the ability of BlackRock to engage in or otherwise effect transactions on behalf of the Funds (including purchasing or selling securities that BlackRock may otherwise have purchased or sold for a client in the absence of a change to an information barrier). Information barriers may not have their intended impact due to, for example, changes in applicable law or inadvertent crossings of the barriers, and actions by personnel on one side of a barrier may impact the potential actions of personnel on the other side of a barrier.

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Although the information barriers are intended to allow for independent portfolio management decision making and proxy voting among certain BlackRock businesses, the investment activities of BlackRock for BlackRock clients, as well as BlackRock’s proprietary accounts, may nonetheless limit the investment strategies and rights of other clients (including the Funds). As BlackRock’s assets under management increases, BlackRock clients may face greater negative impacts due to ownership restrictions and limitations imposed by laws, regulations, rules, regulators, or issuers. For example, in certain circumstances where a BlackRock client invests in securities issued by companies that operate in certain industries ( e.g ., banking, insurance, and utilities) or in certain emerging or international markets, or are subject to regulatory or corporate ownership restrictions ( e.g ., with mechanisms such as poison pills in place to prevent takeovers), or where a BlackRock client invests in certain futures and derivatives, there may be limits on the aggregate amount invested by BlackRock for its clients and BlackRock’s proprietary accounts that may not be exceeded without the grant of a license or other regulatory or corporate approval, order, consent, relief, waiver or non-disapproval or, if exceeded, may cause BlackRock or its clients to be subject to enforcement actions, disgorgement of share ownership or profits, regulatory restrictions, complex compliance reporting, increased compliance costs or suffer disadvantages or business restrictions. In light of certain restrictions, BlackRock may also seek to make indirect investments ( e.g ., using derivatives) on behalf of its clients to receive exposure to certain securities in excess of the applicable ownership restrictions and limitations when legally permitted that will expose such clients to additional costs and additional risks, including any risks associated with investing in derivatives. There may be limited availability of derivatives that provide indirect exposure to an impacted security. In addition, BlackRock clients can be subject to more than one ownership limitation depending on each client’s holdings, and each ownership limitation can impact multiple securities held by the client. Certain clients or shareholders may have their own overlapping obligations to monitor their compliance with ownership limitations across their investments.

If certain aggregate ownership thresholds are reached either through the actions of BlackRock or a BlackRock client or as a result of corporate actions by the issuer, the ability of BlackRock on behalf of clients to purchase or dispose of investments, or exercise rights (including voting) or undertake business transactions, may be restricted by law, regulation, rule, or organizational documents or otherwise impaired. For example, to meet the requirements of an ownership limitation or restriction, a client may be unable to purchase or directly hold a security the client would otherwise purchase or hold. The limitation or restriction may be based on the holdings of other BlackRock clients instead of the specific client being restricted. For index funds, this means a fund may not be able to track its index as closely as it would if it was not subject to an ownership limitation or restriction because the fund cannot acquire the amount of the impacted security included in its index. BlackRock on behalf of its clients may limit purchases, sell existing investments, utilize indirect investments, utilize information barriers, or otherwise restrict, forgo, or limit the exercise of rights (including transferring, outsourcing, or limiting voting rights or forgoing the right to receive dividends) when BlackRock, in its sole discretion, deems it appropriate in light of potential regulatory or other restrictions on ownership or other consequences resulting from reaching investment thresholds. These types of restrictions could negatively impact a client’s performance or ability to meet its investment objective.

When BlackRock or a BlackRock client is subject to an ownership limitation, BlackRock may in its discretion seek permission from the applicable issuers or regulators to exceed the limitation. However, there is no guarantee that permission will be granted, or that, once granted, it will not be modified or revoked at a later date with minimal or no notice. The issuer and/or regulator may also require that BlackRock on behalf of itself and its clients take or refrain from taking certain actions in connection with the approval, order, consent, relief or non-disapproval, which BlackRock may accept if it believes the benefits outweigh the costs and may limit BlackRock from taking actions that it otherwise would take. In those circumstances where ownership thresholds or limitations must be observed, BlackRock seeks to allocate limited investment opportunities equitably among clients, taking into consideration benchmark weight and investment strategy. BlackRock may adopt certain controls designed to prevent the occurrence of a breach of any applicable ownership threshold or limits, including, for example, when ownership in certain securities nears an applicable threshold, BlackRock may limit additional purchases in such securities or, with respect to ETFs, remove such securities from the list of Deposit Securities to be delivered to the Fund in connection with purchases of Creation Units of such Fund. If client holdings of an issuer exceed an applicable threshold and BlackRock is unable to obtain relief to enable the continued holding of such investments, it may be necessary to reduce these positions to meet the applicable limitations and BlackRock or such client may be subject to regulatory actions. In these cases, the investments will be sold in a manner that BlackRock deems fair and equitable over time.

Ownership limitations are highly complex. It is possible that, despite BlackRock’s intent to either comply with or be granted permission to exceed ownership limitations, it may inadvertently breach a limit or violate the corporate or regulatory approval, order, consent, relief or non-disapproval that was obtained.

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In addition to the foregoing, other ownership thresholds may trigger reporting requirements to governmental and regulatory authorities, and such reports may entail the disclosure of the identity of a client or BlackRock’s intended strategy with respect to such security or asset.

BlackRock may not serve as an Authorized Participant in the creation and redemption of iShares ETFs.

Under an ETF Services Agreement, the Fund has, when applicable, retained BRIL, an affiliate of BFA, to perform certain order processing, Authorized Participant communications, and related services in connection with the issuance and redemption of Creation Units of the Fund (“ETF Services”). BRIL has engaged Citibank, N.A. (“Citibank”) as a subcontractor to provide certain ETF Services. BRIL retains a portion of the standard transaction fee received from Authorized Participants on each creation or redemption order from the Authorized Participant for the ETF Services provided. BlackRock collaborated with, and received payment from, Citibank on the design and development of the ETF Services platform. Citibank has, and from time to time may develop, additional relationships with BlackRock or funds managed by BFA and its affiliates.

In order to defray transaction expenses and protect against possible shareholder dilution, the Fund may collect certain fees from Authorized Participants in connection with cash substitutions for creation and redemption transactions. While BlackRock uses good faith estimates of the expected costs to the Fund in determining the rates for fees collected by the Fund related to creation and redemption activity, BlackRock may have incentives to improve Fund performance through the collection of these fees. As these charges are based on estimates, where the charges exceed actual transaction-related costs and/or expenses incurred by the Fund, Fund performance could improve as a result. BlackRock has established processes to oversee the determination of these estimates in an effort to mitigate this conflict.

BlackRock may maintain securities indices. To the extent permitted by applicable laws, the Funds may seek to license and use such indices as part of their investment strategy. Index based funds that seek to track the performance of securities indices also may use the name of the index or index provider in the fund name. Index providers, including BlackRock (to the extent permitted by applicable law), may be paid licensing fees for use of their index or index name. In instances where BlackRock charges a unitary management fee, BlackRock may have a financial incentive to use a BlackRock index that is less costly to BlackRock than a third party index. BlackRock may benefit from the Funds using BlackRock indices by creating increasing acceptance in the marketplace for such indices. BlackRock is not obligated to license its indices to a Fund and the Funds are under no obligation to use BlackRock indices. Any Fund that enters into a license for a BlackRock index cannot be assured that the terms of any index licensing agreement with BlackRock will be as favorable as those terms offered to other licensees.

BlackRock may enter into contractual arrangements with third-party service providers to a Fund ( e.g ., custodians, administrators and index providers) pursuant to which BlackRock receives fee discounts or concessions in recognition of BlackRock’s overall relationship with such service providers. BlackRock may also enter into contractual arrangements with such service providers pursuant to which BlackRock incurs additional costs if the service provider’s services are terminated with respect to a Fund. To the extent that BlackRock is responsible for paying service providers out of its fees that it receives from the Funds, the benefits of lower fees, including any fee discounts or concessions, or any additional savings, may accrue, in whole or in part, to BlackRock, which could result in conflicts of interest relating to the use or termination of service providers to a Fund. In addition, conflicts of interest may arise with respect to contractual arrangements with third-party service providers to a Fund, or the selection of such providers, particularly in circumstances where BlackRock is negotiating on behalf of both funds that have a unitary management fee and those that do not or different service providers have different fee structures.

Conflicts of interest may arise as a result of simultaneous investment management of multiple client accounts by the BlackRock’s investment professionals. For example, differences in the advisory fee structure may create the appearance of actual or potential conflicts of interest because such differences could create pecuniary incentives for BlackRock to favor one client account over another.

BlackRock owns or has an ownership interest in certain trading, portfolio management, operations and/ or information systems used by Fund service providers. These systems are, or will be, used by a Fund service provider in connection with the provision of services to accounts managed by BlackRock and funds managed and sponsored by BlackRock, including the Funds, that engage the service provider (typically the custodian). A Fund’s service provider remunerates BlackRock for the use of the systems. A Fund service provider’s payments to BlackRock for the use of these systems may enhance the profitability of BlackRock.

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BlackRock’s receipt of fees from a service provider in connection with the use of systems provided by BlackRock may create an incentive for BlackRock to recommend that a Fund enter into or renew an arrangement with the service provider.

In recognition of a BlackRock client’s overall relationship with BlackRock, BlackRock may offer special pricing arrangements for certain services provided by BlackRock. Any such special pricing arrangements will not affect Fund fees and expenses applicable to such client’s investment in a Fund.

Present and future activities of BlackRock and its directors, officers and employees, in addition to those described in this section, may give rise to additional conflicts of interest.

Investment Advisory, Administrative and

Distribution Services

Investment Adviser. BFA serves as investment adviser to each Fund pursuant to an investment advisory agreement between the Trust, on behalf of each Fund, and BFA. BFA is a California corporation indirectly owned by BlackRock, Inc. and is registered as an investment adviser under the Investment Advisers Act of 1940, as amended. Under the investment advisory agreement, BFA, subject to the supervision of the Board and in conformity with the stated investment policies of each Fund, manages and administers the Trust and the investment of each Fund’s assets. BFA is responsible for placing purchase and sale orders and providing continuous supervision of the investment portfolio of each Fund.

Pursuant to the investment advisory agreement, BFA may, from time to time, in its sole discretion and to the extent permitted by applicable law, appoint one or more sub-advisers, including, without limitation, affiliates of BFA, to perform investment advisory or other services with respect to a Fund. In addition, BFA may delegate certain of its investment advisory functions under the investment advisory agreement to one or more of its affiliates to the extent permitted by applicable law. BFA may terminate any or all sub-advisers or such delegation arrangements in its sole discretion upon appropriate notice at any time to the extent permitted by applicable law.

BFA is responsible, under the investment advisory agreement, for substantially all expenses of the Funds, including the cost of transfer agency, custody, fund administration, legal, audit and other services. BFA is not responsible for, and the Funds will bear, the management fees, interest expenses, taxes, expenses incurred with respect to the acquisition and disposition of portfolio securities and the execution of portfolio transactions, including brokerage commissions, distribution fees or expenses, and litigation expenses and any extraordinary expenses (as determined by a majority of the Independent Trustees).

For its investment advisory services to each Fund in the table below, BFA is entitled to an annual investment advisory fee equal to the rate indicated below of the average daily value of each Fund’s net assets. The fees are accrued daily and typically paid monthly by the Fund.

Fund Annual Rate

iShares Large Cap Accelerated Outcome ETF 0.50% iShares Large Cap Max Buffer Mar ETF 0.50% iShares Large Cap Max Buffer Jun ETF 0.50% iShares Large Cap Max Buffer Sep ETF 0.50% iShares Large Cap Max Buffer Dec ETF 0.50%

BFA may from time to time voluntarily waive and/or reimburse fees or expenses to reduce the Total Annual Fund Operating Expenses (excluding Acquired Fund Fees and Expenses, if any). Any such voluntary waiver or reimbursement may be eliminated by BFA at any time.

For the fiscal years noted below, the following table sets forth the management fees owed before any waivers and/or reimbursements and any fees or expenses waived and/or reimbursed:

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Fund

Management Fees Paid for the Fiscal Year Ended July 31, 2025

Waivers and Reimbursements of Fees and Expenses for the Fiscal Year Ended July 31, 2025

Management Fees Paid for the Fiscal Year Ended July 31, 2024

Waivers and Reimbursements of Fees and Expenses for the Fiscal Year Ended July 31, 2024

Management Fees Paid for the Fiscal Year Ended July 31, 2023

Waivers and Reimbursements of Fees and Expenses for the Fiscal Year Ended July 31, 2023

iShares Large Cap Accelerated Outcome ETF 1 $ 34,397 $ 2,076 N/A N/A N/A N/A iShares Large Cap Max Buffer Mar ETF 2 57,379 3,575 N/A N/A N/A N/A iShares Large Cap Max Buffer Jun ETF 2 687,983 42,365 $17,288 $1,033 N/A N/A iShares Large Cap Max Buffer Sep ETF 2 465,431 28,334 N/A N/A N/A N/A iShares Large Cap Max Buffer Dec ETF 2 209,127 14,016 N/A N/A N/A N/A

1 BFA has contractually agreed to waive a portion of its management fees in an amount equal to the Acquired Fund Fees and Expenses, if any, attributable to investments by the Fund in other funds advised by BFA or its affiliates, through November 29, 2030. The contractual waiver may be terminated prior to November 29, 2030 only upon written agreement of the Trust and BFA. 2 BFA has contractually agreed to waive a portion of its management fees in an amount equal to the Acquired Fund Fees and Expenses, if any, attributable to investments by the Funds in other funds advised by BFA or its affiliates through November 30, 2029. The contractual waiver may be terminated prior to November 30, 2029 only upon written agreement of the Trust and BFA.

The investment advisory agreement with respect to each Fund continues in effect for two years from its effective date, and thereafter is subject to annual approval by (i) the Board, or (ii) the vote of a majority of the outstanding voting securities (as defined in the 1940 Act) of the Fund, provided that in either event such continuance also is approved by a majority of the Board members who are not interested persons (as defined in the 1940 Act) of the Fund, by a vote cast in person at a meeting called for the purpose of voting on such approval.

The investment advisory agreement with respect to each Fund is terminable without penalty, on 60 days’ notice, by the Board or by a vote of the holders of a majority of the applicable Fund’s outstanding voting securities (as defined in the 1940 Act). The investment advisory agreement is also terminable upon 60 days’ notice by BFA and will terminate automatically in the event of its assignment (as defined in the 1940 Act).

Portfolio Managers. As of July 31, 2025, the individuals named as Portfolio Managers in the Funds’ Prospectus were also primarily responsible for the day-to-day management of other iShares funds and certain other types of portfolios and/or accounts as follows:

Erin Armstrong Types of Accounts Number Total Assets Registered Investment Companies 8 $2,807,400,000 Other Pooled Investment Vehicles 1 1,022,000,000 Other Accounts 0 N/A

Kyle McClements (as of October 31, 2025) Types of Accounts Number Total Assets

Registered Investment Companies 16 $14,954,700,000 Other Pooled Investment Vehicles 16 2,351,400,000 Other Accounts 0 N/A

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Orlando Montalvo Types of Accounts Number Total Assets

Registered Investment Companies 16 $11,252,200,000 Other Pooled Investment Vehicles 17 1,425,000,000 Other Accounts 8 3,000,000

Pursuant to BFA’s policy, investment opportunities are allocated equitably among the Funds and other portfolios and accounts. For example, under certain circumstances, an investment opportunity may be restricted due to limited supply in the market, legal constraints or other factors, in which event the investment opportunity will be allocated equitably among those portfolios and accounts, including the Funds, seeking such investment opportunity. As a consequence, from time to time each Fund may receive a smaller allocation of an investment opportunity than they would have if the Portfolio Managers and BFA and its affiliates did not manage other portfolios or accounts.

Like the Funds, the other portfolios or accounts for which the Portfolio Managers are primarily responsible for the day-to-day portfolio management generally pay an asset-based fee to BFA or its affiliates, as applicable, for its advisory services. One or more of those other portfolios or accounts, however, may pay BFA or its affiliates a performance-based fee in lieu of, or in addition to, an asset-based fee for its advisory services. A portfolio or account with a performance-based fee would pay BFA or its affiliates a portion of that portfolio’s or account’s gains, or would pay BFA or its affiliates more for its services than would otherwise be the case if BFA or any of its affiliates meets or exceeds specified performance targets. Performance-based fee arrangements could present an incentive for BFA or its affiliates to devote greater resources, and allocate more investment opportunities, to the portfolios or accounts that have those fee arrangements, relative to other portfolios or accounts, in order to earn larger fees. Although BFA and each of its affiliates have an obligation to allocate resources and opportunities equitably among portfolios and accounts and intend to do so, shareholders of the Funds should be aware that, as with any group of portfolios and accounts managed by an investment adviser and/or its affiliates pursuant to varying fee arrangements, including performance-based fee arrangements, there is the potential for a conflict of interest, which may result in the Portfolio Managers favoring those portfolios or accounts with performance-based fee arrangements.

The tables below shows, for each Portfolio Manager, the number of portfolios or accounts of the types set forth in the above tables and the aggregate of total assets in those portfolios or accounts with respect to which the investment management fees are based on the performance of those portfolios or accounts as of July 31, 2025:

Erin Armstrong

Types of Accounts

Number of Other Accounts with Performance Fees Managed by Portfolio Manager Aggregate of Total Assets

Registered Investment Companies 0 N/A Other Pooled Investment Vehicles 0 N/A Other Accounts 0 N/A

Kyle McClements (as of October 31, 2025)

Types of Accounts

Number of Other Accounts with Performance Fees Managed by Portfolio Manager Aggregate of Total Assets Registered Investment Companies 0 N/A Other Pooled Investment Vehicles 0 N/A Other Accounts 0 N/A

Orlando Montalvo

Types of Accounts

Number of Other Accounts with Performance Fees Managed by Portfolio Manager Aggregate of Total Assets

Registered Investment Companies 0 N/A

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Orlando Montalvo

Types of Accounts

Number of Other Accounts with Performance Fees Managed by Portfolio Manager Aggregate of Total Assets

Other Pooled Investment Vehicles 0 N/A Other Accounts 0 N/A

Portfolio Manager Compensation Overview

The discussion below describes the Portfolio Managers’ compensation as of July 31, 2025.

BlackRock, Inc.’s financial arrangements with its portfolio managers, its competitive compensation and its career path emphasis at all levels reflect the value senior management places on key resources. Compensation may include a variety of components and may vary from year to year based on a number of factors. The principal components of compensation include a base salary, a performance-based discretionary bonus, participation in various benefits programs and one or more of the incentive compensation programs established by BlackRock, Inc.

Each portfolio manager receives base compensation based on their position with the firm, as well as retirement and other benefits offered to all BlackRock employees. Additionally, each portfolio manager receives discretionary incentive compensation, determined based on several components, including: the performance of BlackRock, Inc., the performance of the portfolio manager’s group within BlackRock, the performance of portfolios managed by the portfolio manager and the team relative to the portfolios’ investment objectives (which in the case of index ETFs would be how closely the ETF tracks its underlying index), and the individual’s performance and contribution to the overall performance of these portfolios and BlackRock. Discretionary incentive compensation is paid in cash up to a certain threshold with the remaining portion represented by deferred BlackRock, Inc. stock awards. In some cases, additional deferred BlackRock, Inc. stock may be granted to certain key employees as part of a long-term incentive award to aid in retention, align interests with long-term shareholders and motivate performance.

As of July 31, 2025, the Portfolio Managers did not beneficially own shares of the Funds.

Codes of Ethics. The Trust, BFA and the Distributor have adopted codes of ethics pursuant to Rule 17j-1 under the 1940 Act. The codes of ethics permit personnel subject to the codes of ethics to invest in securities, subject to certain limitations, including securities that may be purchased or held by the Funds. Each code of ethics is available by contacting BlackRock at the telephone number on the back cover of each Fund’s Prospectus or by accessing the EDGAR Database on the SEC’s Internet site at http://www.sec.gov, and copies may be obtained, after paying a duplicating fee, by e-mail at publicinfo@sec.gov.

Anti-Money Laundering Requirements. The Funds are subject to the USA PATRIOT Act (the “Patriot Act”). The Patriot Act is intended to prevent the use of the U.S. financial system in furtherance of money laundering, terrorism or other illicit activities. Pursuant to requirements under the Patriot Act, a Fund may request information from Authorized Participants to enable it to form a reasonable belief that it knows the true identity of its Authorized Participants. This information will be used to verify the identity of Authorized Participants or, in some cases, the status of financial professionals; it will be used only for compliance with the requirements of the Patriot Act.

The Funds reserve the right to reject purchase orders from persons who have not submitted information sufficient to allow the Fund to verify their identity. Each Fund also reserves the right to redeem any amounts in a Fund from persons whose identity it is unable to verify on a timely basis. It is the Funds’ policy to cooperate fully with appropriate regulators in any investigations conducted with respect to potential money laundering, terrorism or other illicit activities.

Administrator, Custodian and Transfer Agent. The Bank of New York Mellon (“BNY Mellon”) serves as administrator, custodian and transfer agent for the Funds under the Master Services Agreement (the “Master Services Agreement”). BNY Mellon’s principal address is 240 Greenwich Street, New York, NY 10286. Pursuant to the Master Services Agreement with the Trust, BNY Mellon provides necessary administrative, tax and accounting and financial reporting services for the maintenance and operations of the Trust and each Fund. In addition, BNY Mellon makes available the office space, equipment, personnel and facilities required to provide such services. Pursuant to the Master Services Agreement with the Trust, BNY Mellon maintains, in separate accounts, cash, securities and other assets of the Trust and each Fund, keeps all necessary accounts and records and provides other services. BNY Mellon is required, upon the order of the Trust, to deliver

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securities held by BNY Mellon and to make payments for securities purchased by the Trust for each Fund. BNY Mellon is authorized to appoint certain foreign custodians or foreign custody managers for Fund investments outside the U.S. Pursuant to the Master Services Agreement with the Trust, BNY Mellon acts as a transfer agent for each Fund’s authorized and issued shares of beneficial interest, and as dividend disbursing agent of the Trust. As compensation for these services, BNY Mellon receives certain out-of-pocket costs, transaction fees and asset-based fees which are accrued daily and paid monthly by BFA. BFA pays the compensation because it has agreed to pay these operating expenses under the Investment Advisory Agreement as described therein.

JPMorgan serves as custodian for the Funds in connection with certain securities lending activities under a Custody Services Agreement. JPMorgan’s principal address is 383 Madison Avenue, 11 th Floor, New York, NY 10179. Pursuant to the Custody Services Agreement with BTC and the Trust, JPMorgan provides custody and related services required to facilitate securities lending by the Fund. JPMorgan maintains custody as may be necessary to facilitate Fund securities lending activity in coordination with other funds, maintains custodial records and provides other services. As compensation for these services, JPMorgan receives certain fees and expenses paid by BTC from its compensation for its services as securities lending agent.

Distributor. The Distributor’s principal address is 50 Hudson Yards, New York, NY 10001. Shares are continuously offered for sale by the Funds through the Distributor or its agent only in Creation Units, as described in the Prospectus and below in the Creation and Redemption of Creation Units section of this SAI. Fund shares in amounts less than Creation Units are generally not distributed by the Distributor or its agent. The Distributor or its agent will arrange for the delivery of the Prospectus and, upon request, this SAI to persons purchasing Creation Units and will maintain records of both orders placed with it or its agents and confirmations of acceptance furnished by it or its agents. The Distributor is a broker-dealer registered under the Securities Exchange Act of 1934, as amended (the “1934 Act”), and a member of the Financial Industry Regulatory Authority, Inc. (“FINRA”). The Distributor is also licensed as a broker-dealer in all 50 U.S. states, as well as in Puerto Rico, the U.S. Virgin Islands and the District of Columbia.

The Distribution Agreement for each Fund provides that it may be terminated at any time, without the payment of any penalty, on at least 60 days’ prior written notice to the other party following (i) the vote of a majority of the Independent Trustees, or (ii) the vote of a majority of the outstanding voting securities (as defined in the 1940 Act) of the relevant Fund. The Distribution Agreement will terminate automatically in the event of its assignment (as defined in the 1940 Act).

The Distributor may also enter into agreements with securities dealers (“Soliciting Dealers”) who will solicit purchases of Creation Units of Fund shares. Such Soliciting Dealers may also be Authorized Participants (as described below), DTC participants and/or investor services organizations.

BFA or its affiliates may, from time to time and from its own resources, pay, defray or absorb costs relating to distribution, including payments out of its own resources to the Distributor, or to otherwise promote the sale of shares.

Securities Lending. To the extent that a Fund engages in securities lending, each Fund conducts its securities lending pursuant to SEC exemptive relief, and BTC acts as securities lending agent for the Funds, subject to the overall supervision of BFA, pursuant to a written agreement (the “Securities Lending Agency Agreement”).

Each Fund and Underlying Fund retains a portion of the securities lending income and remits the remaining portion to BTC as compensation for its services as securities lending agent. Securities lending income is generally equal to the total of income earned from the reinvestment of cash collateral (and excludes collateral investment fees as defined below), and any fees or other payments to and from borrowers of securities. As securities lending agent, BTC bears all operational costs directly related to securities lending, including custodial costs of JPMorgan. Each Fund and Underlying Fund are responsible for fees in connection with the investment of cash collateral received for securities on loan in a money market fund managed by BFA (the “collateral investment fees”); however, BTC has agreed to reduce the amount of securities lending income it receives in order to effectively limit the collateral investment fees a Fund bears to an annual rate of 0.04%. Such money market fund shares will not be subject to a sales load, redemption fee, distribution fee or service fee.

To the extent that a Fund invests cash collateral in a non-government money market fund, the Fund may be subject to a discretionary liquidity fee of up to 2% on all redemptions. Discretionary liquidity fees may be imposed or terminated at any time at the discretion of the board of directors of the money market fund, or its delegate, if it is determined that such fee would be, or would not be, respectively, in the best interest of the money market fund. Additionally, a Fund will be subject to a mandatory liquidity fee if the money market fund’s total net redemptions on a single day exceed 5% of the money market fund’s net assets, unless the liquidity costs are de minimis ( i.e ., less than one basis point (0.01%)). The money market fund

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will determine the size of the mandatory liquidity fee by making a good faith estimate of certain costs the money market fund would incur if it were to sell a pro rata amount of each security in the portfolio to satisfy the amount of net redemptions on that day. There is no limit to the size of a mandatory liquidity fee. If the money market fund cannot estimate the costs of selling a pro rata amount of each portfolio security in good faith and supported by data, it is required to apply a default liquidity fee of 1% on the value of shares redeemed on that day. The imposition of any such discretionary or mandatory liquidity fee would reduce the Fund’s returns on securities lending.

Under the securities lending program, the Funds are categorized into one of several specific asset classes. The determination of a Fund’s asset class category (fixed-income, domestic equity, international equity or fund-of-funds), each of which may be subject to a different fee arrangement, is based on a methodology agreed to by the Trust and BTC.

Pursuant to the current Securities Lending Agency Agreement:

(i) fund-of-funds, such as the Funds, retain 82% of securities lending income (which excludes collateral investment fees), and (ii) this amount can never be less than 70% of the sum of securities lending income plus collateral investment fees.

In addition, commencing the business day following the date that the aggregate securities lending income (which includes, for this purpose, collateral investment fees) earned across the iShares Complex (as defined in the Management — Trustees and Officers section of this SAI) in a calendar year exceeds specified thresholds, each applicable fund-of-funds, pursuant to the current Securities Lending Agency Agreement, will receive for the remainder of that calendar year securities lending income as follows:

(i) 85% of securities lending income (which excludes collateral investment fees) and (ii) this amount can never be less than 70% of the sum of securities lending income plus collateral investment fees.

(1) selecting borrowers from an approved list of borrowers and executing a securities lending agreement as agent on behalf of the Funds with each such borrower;

(2) negotiating the terms of securities loans, including the amount of fees;

(3) directing the delivery of loaned securities;

(4) monitoring the daily value of the loaned securities and directing the payment of additional collateral or the return of excess collateral, as necessary;

(5) investing cash collateral received in connection with any loaned securities;

(6) monitoring distributions on loaned securities (for example, interest and dividend activity);

(7) in the event of default by a borrower with respect to any securities loan, using the collateral or the proceeds of the liquidation of collateral to purchase replacement securities of the same issue, type, class and series as that of the loaned securities; and

(8) terminating securities loans and arranging for the return of loaned securities to the Funds at loan termination.

The following tables show the dollar amounts of income and fees/compensation related to the securities lending activities of each Fund during its most recent fiscal year ended July 31, 2025.

Fund iShares Large Cap Accelerated Outcome ETF

iShares Large Cap Max Buffer Mar ETF

iShares Large Cap Max Buffer Jun ETF

iShares Large Cap Max Buffer Sep ETF

iShares Large Cap Max Buffer Dec ETF Gross income from securities lending activities

$0 $0 $0 $0 $0

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Fund iShares Large Cap Accelerated Outcome ETF

iShares Large Cap Max Buffer Mar ETF

iShares Large Cap Max Buffer Jun ETF

iShares Large Cap Max Buffer Sep ETF

iShares Large Cap Max Buffer Dec ETF Fees and/or compensation for securities lending activities and related services Securities lending income paid to BTC for services as securities lending agent

0 000 0

Cash collateral management expenses not included in securities lending income paid to BTC

0 000 0

Administrative fees not included in securities lending income paid to BTC

0 000 0

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Fund iShares Large Cap Accelerated Outcome ETF

iShares Large Cap Max Buffer Mar ETF

iShares Large Cap Max Buffer Jun ETF

iShares Large Cap Max Buffer Sep ETF

iShares Large Cap Max Buffer Dec ETF Indemnification fees not included in securities lending income paid to BTC

0 000 0

Rebates (paid to borrowers)

0 000 0

Other fees not included in securities lending income paid to BTC

0 000 0

Aggregate fees/compensation for securities lending activities

$0 $0 $0 $0 $0

Net income from securities lending activities

$0 $0 $0 $0 $0

Payments by BFA and its Affiliates. BFA and/or its affiliates (“BFA Entities”) pay certain broker-dealers, registered investment advisers, banks and other financial intermediaries (“Intermediaries”) for certain activities related to the Fund and other funds or products sponsored and/or advised by BFA Entities (collectively for purposes of this section, the “Products”). BFA Entities make these payments from their own assets and not from the assets of the Fund. Although a portion of BFA Entities’ revenue comes directly or indirectly in part from fees paid by the Fund or other Products (including, if applicable, any underlying Products held by the Fund), these payments do not increase the price paid by investors for the purchase of shares of, or the cost of owning, the Fund or other Products. BFA Entities make payments for Intermediaries’ participation in activities that are designed to make registered representatives, other professionals and individual investors more knowledgeable about exchange-traded products, including the Fund and other Products, or for other activities, such as participation in marketing activities and presentations, educational training programs, conferences, the development of technology platforms and reporting systems (“Education Costs”). BFA Entities also make payments to Intermediaries for certain printing, publishing and mailing costs or materials relating to the Fund or other Products (“Publishing Costs”). In

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addition, BFA Entities make payments to Intermediaries that make shares of the Fund or other Products available to their clients, in some cases at a waived or reduced commission rate or ticket charge, develop new products that feature iShares, create educational content about the Fund or other Products that is featured on an Intermediary’s platform, or otherwise promote the Fund or other Products. BFA Entities may also reimburse expenses or make payments from their own assets to Intermediaries or other persons in consideration of services or other activities that the BFA Entities believe may benefit the business of the BFA Entities or facilitate investment in the Fund or other Products. Payments of the type described above are sometimes referred to as revenue-sharing payments.

Payments to an Intermediary may be significant to the Intermediary, and amounts that Intermediaries pay to your salesperson or other investment professional may also be significant for your salesperson or other investment professional. Because an Intermediary may make decisions about which investment options it will recommend or make available to its clients, what services to provide for various products or what marketing content to make available to its clients based on payments it receives or is eligible to receive, such payments may create conflicts of interest between the Intermediary and its clients. These financial incentives may cause the Intermediary to recommend the Fund or other Products or otherwise promote the Fund or other Products over other investments. The same conflicts of interest and financial incentives exist with respect to your salesperson or other investment professional if he or she receives similar payments from his or her Intermediary firm.

In addition to the payments described above, BFA Entities have developed proprietary tools, calculators and related interactive or digital content that is made available through the www.blackrock.com website at no additional cost to Intermediaries. BlackRock may configure these tools and calculators and localize the content for Intermediaries as part of its customary digital marketing support and promotion of the Fund or other Products.

As of March 1, 2013, BFA Entities have contractual arrangements to make payments (in addition to payments for Education Costs or Publishing Costs) to one Intermediary, Fidelity Brokerage Services LLC (“FBS”). Effective June 4, 2016, this relationship was expanded to include National Financial Services, LLC (“NFS”), an affiliate of FBS. Pursuant to this special, long-term and significant arrangement (the “Marketing Program”), FBS, NFS and certain of their affiliates (collectively “Fidelity”) have agreed, among other things, to actively promote certain funds and Products to customers, investment professionals and other intermediaries and in advertising campaigns as the preferred exchange-traded product, to offer certain funds and Products in certain Fidelity platforms and investment programs, in some cases at a waived or reduced commission rate or ticket charge, and to provide marketing data to BFA Entities. BFA Entities have agreed to facilitate the Marketing Program by, among other things, making certain payments to FBS and NFS for marketing and implementing certain brokerage and investment programs. Upon termination of the arrangement, the BFA Entities will make additional payments to FBS and/or NFS based upon a number of criteria, including the overall success of the Marketing Program and the level of services provided by FBS and NFS during the wind-down period.

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Financial LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, MML Investors Services, LLC, Morgan Stanley Smith Barney LLC, Northwestern Mutual Investment Services, LLC, Orion Portfolio Solutions, LLC, Pershing LLC, Raymond James Financial Services, Inc., Riskalyze, Inc., Sanctuary Wealth Group, LLC, UBS Financial Services Inc., Wells Fargo Clearing Services, LLC and Wells Fargo Advisors Financial Network, LLC. Any additions, modifications, or deletions to Intermediaries and other third parties listed above that have occurred since the date of this SAI are not included in the list.

Further, BFA Entities make Education Costs and Publishing Costs payments to other Intermediaries that are not listed in the immediately preceding paragraph. BFA Entities may determine to make such payments based on any number of metrics. For example, BFA Entities may make payments at year-end or other intervals in a fixed amount, an amount based upon an Intermediary’s services at defined levels or an amount based on the Intermediary’s net sales of one or more Products, including the Fund, in a year or other period, any of which arrangements may include an agreed-upon minimum or maximum payment, or any combination of the foregoing. Please contact your salesperson or other investment professional for more information regarding any such payments or financial incentives his or her Intermediary firm may receive. Any payments made, or financial incentives offered, by the BFA Entities to an Intermediary may create the incentive for the Intermediary to encourage customers to buy shares of the Fund or other Products.

The Fund may participate in certain market maker incentive programs of a national securities exchange in which an affiliate of the Fund would pay a fee to the exchange used for the purpose of incentivizing one or more market makers in the securities of the Fund to enhance the liquidity and quality of the secondary market of securities of the Fund. The fee would then be credited by the exchange to one or more market makers that meet or exceed liquidity and market quality standards with respect to the securities of the Fund. Each market maker incentive program is subject to approval from the SEC. Any such fee payments made to an exchange will be made by an affiliate of the Fund solely for the benefit of the Fund and will not be paid from any Fund assets. Other funds managed by BFA may also participate in such programs.

Determination of Net Asset Value

Valuation of Shares. The NAV for each Fund is generally calculated as of the close of regular trading hours on the New York Stock Exchange (“NYSE”) (normally 4:00 p.m., Eastern Time) on each business day the NYSE is open. Valuation of assets held by a Fund is as follows:

Equity Investments. Equity securities traded on a recognized securities exchange ( e.g. , NYSE), on separate trading boards of a securities exchange or through a market system that provides contemporaneous transaction pricing information (each an “Exchange”) are valued using information obtained via independent pricing services, generally at the Exchange closing price or, if an Exchange closing price is not available, the last traded price on that Exchange prior to the time as of which the assets or liabilities are valued. However, under certain circumstances, other means of determining current market value may be used. If an equity security is traded on more than one Exchange, the current market value of the security where it is primarily traded generally will be used. In the event that there are no sales involving an equity security held by a Fund on a day on which a Fund values such security, the prior day’s price will be used, unless BFA determines that such prior day’s price no longer reflects the fair value of the security, in which case such asset would be treated as a Fair Value Asset (as defined below).

Options, Futures, Swaps and Other Derivatives. Exchange-traded equity options (except ETF options, equity index options or those that are customized) for which market quotations are readily available are valued at the mean of the last bid and ask prices as quoted on the Exchange or the board of trade on which such options are traded. In the event that there is no mean price available for such exchange traded equity option held by a Fund on a day on which a Fund values such option, the last bid (long positions) or ask (short positions) price, if available, will be used as the value of such option. If no bid or ask price is available on a day on which a Fund values such option, the prior day’s price will be used, unless BFA determines that such prior day’s price no longer reflects the fair value of the option, in which case such option will be treated as a Fair Value Asset. Customized exchange-traded equity options, ETF options, equity index options and OTC derivatives, may be valued using a mathematical model which may incorporate a number of market data factors. Financial futures contracts and options thereon, which are traded on exchanges, are valued at their last sale price or settle price as of the close of such exchanges. Swap agreements and other derivatives are generally valued daily based upon quotations from market makers or by a pricing service in accordance with the Valuation Procedures.

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Underlying Funds. Shares of underlying open-end funds (including money market funds) are valued at NAV. Shares of underlying exchange-traded closed-end funds or other ETFs will be valued at their most recent closing price.

General Valuation Information. Prices obtained from independent third-party pricing services, broker-dealers or market makers to value a Fund’s securities and other assets and liabilities are based on information available at the time a Fund values its assets and liabilities. In the event that a pricing service quotation is revised or updated subsequent to the day on which a Fund valued such security, the revised pricing service quotation generally will be applied prospectively. Such determination will be made considering pertinent facts and circumstances surrounding the revision.

The price a Fund could receive upon the sale of any particular portfolio investment may differ from a Fund’s valuation of the investment, particularly for assets that trade in thin or volatile markets or that are valued using a fair valuation methodology or a price provided by an independent pricing service. As a result, the price received upon the sale of an investment may be less than the value ascribed by a Fund, and a Fund could realize a greater than expected loss or lesser than expected gain upon the sale of the investment. A Fund’s ability to value its investment may also be impacted by technological issues and/or errors by pricing services or other third-party service providers.

All cash, receivables and current payables are carried on a Fund’s books at their fair value.

In the event that application of the methods of valuation discussed above result in a price for a security which is deemed not to be representative of the fair market value of such security, the security will be valued by, under the direction of or in accordance with a method approved by BFA, each Fund’s valuation designee, as reflecting fair value. All other assets and liabilities (including securities for which market quotations are not readily available) held by a Fund (including restricted securities) are valued at fair value as determined in good faith by BFA pursuant to the Valuation Procedures. Any assets and liabilities which are denominated in a foreign currency are translated into U.S. dollars at the prevailing market rates.

Fair Value. When market quotations are not readily available or are believed by BFA to be unreliable, a Fund’s investments are valued at fair value (“Fair Value Assets”). Fair Value Assets are valued by BFA in accordance with the Valuation Procedures. Pursuant to Rule 2a-5 under the Investment Company Act, the Board of Trustees has designated BFA as the valuation designee for the respective Funds for which it serves as investment adviser. BFA may reasonably conclude that a market quotation is not readily available or is unreliable if, among other things, a security or other asset or liability does not have a price source due to its complete lack of trading, if BFA believes a market quotation from a broker-dealer or other source is unreliable ( e.g. , where it varies significantly from a recent trade, or no longer reflects the fair value of the security or other asset or liability subsequent to the most recent market quotation), or where the security or other asset or liability is only thinly traded or due to the occurrence of a significant event subsequent to the most recent market quotation. For this purpose, a “significant event” is deemed to occur if BFA determines, in its reasonable business judgment, that an event has occurred after the close of trading for an asset or liability but prior to or at the time of pricing a Fund’s assets or liabilities, is likely to cause a material change to the last exchange closing price or closing market price of one or more assets held by, or liabilities of, a Fund. On any day the NYSE is open and a foreign market or the primary exchange on which a foreign asset or liability is traded is closed, such asset or liability will be valued using the prior day’s price, provided that BFA is not aware of any significant event or other information that would cause such price to no longer reflect the fair value of the asset or liability, in which case such asset or liability would be treated as a Fair Value Asset.

BFA’s Rule 2a-5 Committee is responsible for reviewing and approving methodologies by investment type and significant inputs used in the fair valuation of Fund assets or liabilities. In addition, a Fund’s accounting agent assists BFA by periodically endeavoring to confirm the prices it receives from all third-party pricing services, index providers and broker-dealers. BFA regularly evaluates the values assigned to the securities and other assets and liabilities of a Fund.

When determining the price for a Fair Value Asset, BFA will seek to determine the price that a Fund might reasonably expect to receive from the current sale of that asset or liability in an arm’s-length transaction on the date on which the asset or liability is being valued, and does not seek to determine the price a Fund might reasonably expect to receive for selling an asset or liability at a later time or if it holds the asset or liability to maturity. Fair value determinations will be based upon all available factors that BFA deems relevant at the time of the determination, and may be based on analytical values determined by BFA using proprietary or third-party valuation models.

Fair value represents a good faith approximation of the value of an asset or liability. When determining the fair value of an investment, one or more fair value methodologies may be used (depending on certain factors, including the asset type). For example, the investment may be initially priced based on the original cost of the investment or, alternatively, using proprietary

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or third-party models that may rely upon one or more unobservable inputs. Prices of actual, executed or historical transactions in the relevant investment (or comparable instruments) or, where appropriate, an appraisal by a third-party experienced in the valuation of similar instruments, may also be used as a basis for establishing the fair value of an investment.

The fair value of one or more assets or liabilities may not, in retrospect, be the price at which those assets or liabilities could have been sold during the period in which the particular fair values were used in determining a Fund’s NAV. As a result, a Fund’s sale or redemption of its shares at NAV, at a time when a holding or holdings are valued at fair value, may have the effect of diluting or increasing the economic interest of existing shareholders.

Each Fund’s annual audited financial statements, which are prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”), follow the requirements for valuation set forth in Financial Accounting Standards Board Accounting Standards Codification Topic 820, “Fair Value Measurements and Disclosures” (“ASC 820”), which defines and establishes a framework for measuring fair value under US GAAP and expands financial statement disclosure requirements relating to fair value measurements.

Generally, ASC 820 and other accounting rules applicable to funds and various assets in which they invest are evolving. Such changes may adversely affect a Fund. For example, the evolution of rules governing the determination of the fair market value of assets or liabilities, to the extent such rules become more stringent, would tend to increase the cost and/or reduce the availability of third-party determinations of fair market value. This may in turn increase the costs associated with selling assets or affect their liquidity due to a Fund’s inability to obtain a third-party determination of fair market value.

Brokerage Transactions

Subject to policies established by the Board, BFA is primarily responsible for the execution of a Fund’s portfolio transactions and the allocation of brokerage. BFA does not execute transactions through any particular broker or dealer, but seeks to obtain the best net results for the Funds, taking into account such factors as price (including the applicable brokerage commission or dealer spread), size of order, difficulty of execution, operational facilities of the firm and the firm’s risk and skill in positioning blocks of securities. While BFA generally seeks reasonable trade execution costs, a Fund does not necessarily pay the lowest spread or commission available, and payment of the lowest commission or spread is not necessarily consistent with obtaining the best price and execution in particular transactions. Subject to applicable legal requirements, BFA may select a broker based partly upon brokerage or research services provided to BFA and its clients, including a Fund. In return for such services, BFA may cause a Fund to pay a higher commission than other brokers would charge if BFA determines in good faith that the commission is reasonable in relation to the services provided.

In selecting brokers or dealers to execute portfolio transactions, BFA seeks to obtain the best price and most favorable execution for a Fund and may take into account a variety of factors including: (i) the size, nature and character of the security or instrument being traded and the markets in which it is purchased or sold; (ii) the desired timing of the transaction; (iii) BFA’s knowledge of the expected commission rates and spreads currently available; (iv) the activity existing and expected in the market for the particular security or instrument, including any anticipated execution difficulties; (v) the full range of brokerage services provided; (vi) the broker’s or dealer’s capital; (vii) the quality of research and research services provided; (viii) the reasonableness of the commission, dealer spread or its equivalent for the specific transaction; and (ix) BFA’s knowledge of any actual or apparent operational problems of a broker or dealer. Brokers may also be selected because of their ability to handle special or difficult executions, such as may be involved in large block trades, thinly traded securities, or other circumstances.

Section 28(e) of the 1934 Act (“Section 28(e)”) permits a U.S. investment adviser, under certain circumstances, to cause an account to pay a broker or dealer a commission for effecting a transaction in securities that exceeds the amount another broker or dealer would have charged for effecting the same transaction in recognition of the value of brokerage and research services provided by that broker or dealer. This includes commissions paid on riskless principal transactions in securities under certain conditions.

From time to time, a Fund may purchase new issues of securities in a fixed price offering. In these situations, the broker may be a member of the selling group that will, in addition to selling securities, provide BFA with research services. FINRA has adopted rules expressly permitting these types of arrangements under certain circumstances. Generally, the broker will

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provide research “credits” in these situations at a rate that is higher than that available for typical secondary market transactions. These arrangements may not fall within the safe harbor of Section 28(e).

OTC issues, including most fixed-income securities such as corporate debt and U.S. Government securities, are normally traded on a “net” basis without a stated commission, through dealers acting for their own account and not as brokers. The Funds will primarily engage in transactions with these dealers or deal directly with the issuer unless a better price or execution could be obtained by using a broker. Prices paid to a dealer with respect to both foreign and domestic securities will generally include a “spread,” which is the difference between the prices at which the dealer is willing to purchase and sell the specific security at the time, and includes the dealer’s normal profit.

Under the 1940 Act, persons affiliated with a Fund and persons who are affiliated with such affiliated persons are prohibited from dealing with the Fund as principal in the purchase and sale of securities unless a permissive order allowing such transactions is obtained from the SEC. Since transactions in the OTC market usually involve transactions with the dealers acting as principal for their own accounts, the Funds will not deal with affiliated persons and affiliated persons of such affiliated persons in connection with such transactions. The Funds will not purchase securities during the existence of any underwriting or selling group relating to such securities of which BFA, BRIL or any affiliated person (as defined in the 1940 Act) thereof is a member except pursuant to procedures adopted by the Board in accordance with Rule 10f-3 under the 1940 Act.

Purchases of money market instruments by the Funds are made from dealers, underwriters and issuers. The Funds do not currently expect to incur any brokerage commission expense on such transactions because money market instruments are generally traded on a “net” basis with dealers acting as principal for their own accounts without a stated commission. The price of the security, however, usually includes a profit to the dealer.

BFA may, from time to time, effect trades on behalf of and for the account of the Funds with brokers or dealers that are affiliated with BFA, in conformity with Rule 17e-1 under the 1940 Act and SEC rules and regulations. Under these provisions, any commissions paid to affiliated brokers or dealers must be reasonable and fair compared to the commissions charged by other brokers or dealers in comparable transactions.

Securities purchased in underwritten offerings include a fixed amount of compensation to the underwriter, generally referred to as the underwriter’s concession or discount. When securities are purchased or sold directly from or to an issuer, no commissions or discounts are paid.

Investment decisions for the Funds and for other investment accounts managed by BFA and the other Affiliates are made independently of each other in light of differing conditions. A variety of factors will be considered in making investment allocations. These factors include: (i) investment objectives or strategies for particular accounts, including sector, industry, country or region and capitalization weightings; (ii) tax considerations of an account; (iii) risk or investment concentration parameters for an account; (iv) supply or demand for a security at a given price level; (v) size of available investment; (vi) cash availability and liquidity requirements for accounts; (vii) regulatory restrictions; (viii) minimum investment size of an account; (ix) relative size of account; and (x) such other factors as may be approved by BlackRock’s general counsel. Moreover, investments may not be allocated to one client account over another based on any of the following considerations: (i) to favor one client account at the expense of another; (ii) to generate higher fees paid by one client account over another or to produce greater performance compensation to BlackRock; (iii) to develop or enhance a relationship with a client or prospective client; (iv) to compensate a client for past services or benefits rendered to BlackRock or to induce future services or benefits to be rendered to BlackRock; or (v) to manage or equalize investment performance among different client accounts. BFA and the other Affiliates may deal, trade and invest for their own respective accounts in the types of securities in which the Funds may invest.

Initial public offerings (“IPOs”) of securities may be over-subscribed and subsequently trade at a premium in the secondary market. When BFA is given an opportunity to invest in such an initial offering or “new” or “hot” issue, the supply of securities available for client accounts is often less than the amount of securities the accounts would otherwise take. In order to allocate these investments fairly and equitably among client accounts over time, each portfolio manager or a member of his or her respective investment team will indicate to BFA’s trading desk their level of interest in a particular offering with respect to eligible clients’ accounts for which that team is responsible. IPOs of U.S. equity securities will be identified as eligible for particular client accounts that are managed by portfolio teams who have indicated interest in the offering based on market capitalization of the issuer of the security and the investment mandate of the client account and in the case of international equity securities, the country where the offering is taking place and the investment mandate of the client account. Generally,

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shares received during the IPO will be allocated among participating client accounts within each investment mandate on a pro rata basis. This pro rata allocation may result in a Fund receiving less of a particular security than if pro-rating had not occurred. All allocations of securities will be subject, where relevant, to share minimums established for accounts and compliance constraints. In situations where supply is too limited to be allocated among all accounts for which the investment is eligible, portfolio managers may rotate such investment opportunities among one or more accounts so long as the rotation system provides for fair access for all client accounts over time. Other allocation methodologies that are considered by BFA to be fair and equitable to clients may be used as well.

Because different accounts may have differing investment objectives and policies, BFA may buy and sell the same securities at the same time for different clients based on the particular investment objective, guidelines and strategies of those accounts. For example, BFA may decide that it may be entirely appropriate for a growth fund to sell a security at the same time a value fund is buying that security. To the extent that transactions on behalf of more than one client of BFA or the other Affiliates during the same period increase the demand for securities being purchased or the supply of securities being sold, there may be an adverse effect on price. For example, sales of a security by BlackRock on behalf of one or more of its clients may decrease the market price of such security, adversely impacting other BlackRock clients that still hold the security. If purchases or sales of securities arise for consideration at or about the same time that would involve the Funds or other clients or funds for which BFA or another Affiliate act as investment manager, transactions in such securities will be made, insofar as feasible, for the respective funds and clients in a manner deemed equitable to all.

In certain instances, BFA may find it efficient for purposes of seeking to obtain best execution, to aggregate or “bunch” certain contemporaneous purchases or sale orders of its advisory accounts and advisory accounts of affiliates. In general, all contemporaneous trades for client accounts under management by the same portfolio manager or investment team will be bunched in a single order if the trader believes the bunched trade would provide each client with an opportunity to achieve a more favorable execution at a potentially lower execution cost. The costs associated with a bunched order will be shared pro rata among the clients in the bunched order. Generally, if an order for a particular portfolio manager or management team is filled at several different prices through multiple trades, all accounts participating in the order will receive the average price (except in the case of certain international markets where average pricing is not permitted). While in some cases this practice could have a detrimental effect upon the price or value of the security as far as the Funds are concerned, in other cases it could be beneficial to the Funds. Transactions effected by BFA or the other Affiliates on behalf of more than one of its clients during the same period may increase the demand for securities being purchased or the supply of securities being sold, causing an adverse effect on price. The trader will give the bunched order to the broker-dealer that the trader has identified as being able to provide the best execution of the order. Orders for purchase or sale of securities will be placed within a reasonable amount of time of the order receipt and bunched orders will be kept bunched only long enough to execute the order.

The table below sets forth the brokerage commissions paid by each Fund for the fiscal years noted. Any differences in brokerage commissions paid by a Fund from year to year are principally due to increases or decreases in that Fund’s assets over those periods or the magnitude of changes to the components of a Fund’s Underlying Index:

Fund

Brokerage Commissions Paid During Fiscal Year Ended July 31, 2025

Brokerage Commissions Paid During Fiscal Year Ended July 31, 2024

Brokerage Commissions Paid During Fiscal Year Ended July 31, 2023

iShares Large Cap Accelerated Outcome ETF $ 2,757 N/A N/A iShares Large Cap Max Buffer Dec ETF 5,453 N/A N/A iShares Large Cap Max Buffer Jun ETF 15,226 $4,163 N/A iShares Large Cap Max Buffer Mar ETF 2,238 N/A N/A iShares Large Cap Max Buffer Sep ETF 9,590 N/A N/A

The Funds’ purchase and sale orders for securities may be combined with those of other investment companies, clients or accounts that BlackRock manages or advises. If purchases or sales of portfolio securities of the Funds and one or more other accounts managed or advised by BlackRock are considered at or about the same time, transactions in such securities are allocated among the Funds and the other accounts in a manner deemed equitable to all by BlackRock. In some cases, this procedure could have a detrimental effect on the price or volume of the security as far as the Funds are concerned. However, in other cases, it is possible that the ability to participate in volume transactions and to negotiate lower transaction costs will

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be beneficial to the Funds. BlackRock may deal, trade and invest for its own account in the types of securities in which the Funds may invest. BlackRock may, from time to time, effect trades on behalf of and for the account of the Funds with brokers or dealers that are affiliated with BFA, in conformity with the 1940 Act and SEC rules and regulations. Under these provisions, any commissions paid to affiliated brokers or dealers must be reasonable and fair compared to the commissions charged by other brokers or dealers in comparable transactions. The Funds will not deal with affiliates in principal transactions unless permitted by applicable SEC rules or regulations, or by SEC exemptive order.

Portfolio turnover may vary from year to year, as well as within a year. High turnover rates may result in comparatively greater brokerage expenses.

The table below sets forth the portfolio turnover rates of each Fund for the fiscal years noted:

Fund Fiscal Year Ended July 31, 2025 Fiscal Year Ended July 31, 2024

iShares Large Cap Accelerated Outcome ETF 2% (1),(2) N/A (3) iShares Large Cap Max Buffer Dec ETF 3% (4),(5) N/A (3) iShares Large Cap Max Buffer Jun ETF 1% 0% (6),(7) iShares Large Cap Max Buffer Mar ETF 0% (8),(9) N/A (3) iShares Large Cap Max Buffer Sep ETF 0% (10),(11) N/A (3)

(1) The portfolio turnover for the iShares Large Cap Accelerated Outcome ETF relates to the period of January 15, 2025 to July 31, 2025 and is not annualized. (2) The inception date for the iShares Large Cap Accelerated Outcome ETF was January 15, 2025. (3) Because the Fund is new, there is no reportable turnover. (4) The inception date for the iShares Large Cap Max Buffer Dec ETF was December 31, 2024. (5) The portfolio turnover for the iShares Large Cap Max Buffer Dec ETF relates to the period of December 31, 2024 to July 31, 2025 and is not annualized. (6) The portfolio turnover for the iShares Large Cap Max Buffer Jun ETF relates to the period of June 28, 2024 to July 31, 2024 and is not annualized. (7) The inception date for the iShares Large Cap Max Buffer June ETF was June 28, 2024. (8) The portfolio turnover for the iShares Large Cap Max Buffer Mar ETF relates to the period of March 31, 2025 to July 31, 2025 and is not annualized. (9) The inception date for the iShares Large Cap Max Buffer Mar ETF was March 31, 2025. (10) The portfolio turnover for the iShares Large Cap Max Buffer Sep ETF relates to the period of September 30, 2024 to July 31, 2025 and is not annualized. (11) The inception date for the iShares Large Cap Max Buffer Sep ETF was September 30, 2024.

None of the Funds paid any brokerage commissions to BRIL, an affiliate of BFA, or to any other broker-dealer that is part of the BlackRock group of companies, during the fiscal year ended July 31, 2025.

Additional Information Concerning the Trust

Shares. The Trust issues shares of beneficial interests in the funds with no par value. The Board may designate additional iShares funds.

Each share issued by a fund has a pro rata interest in the assets of that fund. Shares have no preemptive, exchange, subscription or conversion rights and are freely transferable. Each share is entitled to participate equally in dividends and distributions declared by the Board with respect to the relevant fund, and in the net distributable assets of such fund on liquidation.

Each share has one vote with respect to matters upon which the shareholder is entitled to vote. In any matter submitted to shareholders for a vote, each fund shall hold a separate vote, provided that shareholders of all affected funds will vote together when: (i) required by the 1940 Act, or (ii) the Trustees determine that the matter affects the interests of more than one fund.

Under Delaware law, the Trust is not required to hold an annual meeting of shareholders unless required to do so under the 1940 Act. The policy of the Trust is not to hold an annual meeting of shareholders unless required to do so under the 1940

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Act. All shares (regardless of the fund) have noncumulative voting rights in the election of members of the Board. Under Delaware law, Trustees of the Trust may be removed by vote of the shareholders.

Following the creation of the initial Creation Unit(s) of shares of a fund and immediately prior to the commencement of trading in such fund’s shares, a holder of shares may be a “control person” of the fund, as defined in Rule 0-1 under the 1940 Act. A fund cannot predict the length of time for which one or more shareholders may remain a control person of the fund.

Shareholders may make inquiries by writing to iShares Trust, c/o BlackRock Investments, LLC, 1 University Square Drive, Princeton, NJ 08540.

Absent an applicable exemption or other relief from the SEC or its staff, beneficial owners of more than 5% of the shares of a fund may be subject to the reporting provisions of Section 13 of the 1934 Act and the SEC’s rules promulgated thereunder. In addition, absent an applicable exemption or other relief from the SEC or its staff, officers and trustees of a fund and beneficial owners of 10% of the shares of a fund (“Insiders”) may be subject to the insider reporting, short-swing profit and short sale provisions of Section 16 of the 1934 Act and the SEC’s rules promulgated thereunder. Beneficial owners and Insiders should consult with their own legal counsel concerning their obligations under Sections 13 and 16 of the 1934 Act and existing guidance provided by the SEC staff.

In accordance with the Trust’s current Agreement and Declaration of Trust (the “Declaration of Trust”), the Board may, without shareholder approval (unless such shareholder approval is required by the Declaration of Trust or applicable law, including the 1940 Act), authorize certain funds to merge, reorganize, consolidate, sell all or substantially all of their assets, or take other similar actions with, to or into another fund. The Trust or a fund may be terminated by a majority vote of the Board, subject to the affirmative vote of a majority of the shareholders of the Trust or such fund entitled to vote on termination; however, in certain circumstances described in the Declaration of Trust, only a majority vote of the Board is required. Although the shares are not automatically redeemable upon the occurrence of any specific event, the Declaration of Trust provides that the Board will have the unrestricted power to alter the number of shares in a Creation Unit. Therefore, in the event of a termination of the Trust or a fund, the Board, in its sole discretion, could determine to permit the shares to be redeemable in aggregations smaller than Creation Units or to be individually redeemable. In such circumstance, the Trust or a fund may make redemptions in-kind, for cash or for a combination of cash or securities. Further, in the event of a termination of the Trust or a fund, the Trust or a fund might elect to pay cash redemptions to all shareholders, with an in-kind election for shareholders owning in excess of a certain stated minimum amount.

DTC as Securities Depository for Shares of the Funds. Shares of each Fund are represented by securities registered in the name of DTC or its nominee and deposited with, or on behalf of, DTC.

DTC was created in 1973 to enable electronic movement of securities between its participants (“DTC Participants”), and NSCC was established in 1976 to provide a single settlement system for securities clearing and to serve as central counterparty for securities trades among DTC Participants. In 1999, DTC and NSCC were consolidated within The Depository Trust & Clearing Corporation (“DTCC”) and became wholly-owned subsidiaries of DTCC. The common stock of DTCC is owned by the DTC Participants, but NYSE and FINRA, through subsidiaries, hold preferred shares in DTCC that provide them with the right to elect one member each to the DTCC board of directors. Access to the DTC system is available to entities, such as banks, brokers, dealers and trust companies, that clear through or maintain a custodial relationship with a DTC Participant, either directly or indirectly (“Indirect Participants”).

Beneficial ownership of shares is limited to DTC Participants, Indirect Participants and persons holding interests through DTC Participants and Indirect Participants. Ownership of beneficial interests in shares (owners of such beneficial interests are referred to herein as “Beneficial Owners”) is shown on, and the transfer of ownership is effected only through, records maintained by DTC (with respect to DTC Participants) and on the records of DTC Participants (with respect to Indirect Participants and Beneficial Owners that are not DTC Participants). Beneficial Owners will receive from or through the DTC Participant a written confirmation relating to their purchase of shares. The laws of some jurisdictions may require that certain purchasers of securities take physical delivery of such securities in definitive form. Such laws may impair the ability of certain investors to acquire beneficial interests in shares of the Fund.

Conveyance of all notices, statements and other communications to Beneficial Owners is effected as follows. Pursuant to the Depositary Agreement between the Trust and DTC, DTC is required to make available to the Trust upon request and for a fee to be charged to the Trust a listing of the shares of each Fund held by each DTC Participant. The Trust shall inquire of each such DTC Participant as to the number of Beneficial Owners holding shares, directly or indirectly, through such DTC

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Participant. The Trust shall provide each such DTC Participant with copies of such notice, statement or other communication, in such form, number and at such place as such DTC Participant may reasonably request, in order that such notice, statement or communication may be transmitted by such DTC Participant, directly or indirectly, to such Beneficial Owners. In addition, the Trust shall pay to each such DTC Participant a fair and reasonable amount as reimbursement for the expenses attendant to such transmittal, all subject to applicable statutory and regulatory requirements.

Share distributions shall be made to DTC or its nominee, Cede & Co., as the registered holder of all shares of the Trust. DTC or its nominee, upon receipt of any such distributions, shall credit immediately DTC Participants’ accounts with payments in amounts proportionate to their respective beneficial interests in shares of each Fund as shown on the records of DTC or its nominee. Payments by DTC Participants to Indirect Participants and Beneficial Owners of shares held through such DTC Participants will be governed by standing instructions and customary practices, as is now the case with securities held for the accounts of customers in bearer form or registered in a “street name,” and will be the responsibility of such DTC Participants.

The Trust has no responsibility or liability for any aspect of the records relating to or notices to Beneficial Owners, or payments made on account of beneficial ownership interests in such shares, or for maintaining, supervising or reviewing any records relating to such beneficial ownership interests, or for any other aspect of the relationship between DTC and the DTC Participants or the relationship between such DTC Participants and the Indirect Participants and Beneficial Owners owning through such DTC Participants. DTC may decide to discontinue providing its service with respect to shares of the Trust at any time by giving reasonable notice to the Trust and discharging its responsibilities with respect thereto under applicable law. Under such circumstances, the Trust shall take action to find a replacement for DTC to perform its functions at a comparable cost.

Distribution of Shares. In connection with each Fund’s launch, each Fund was seeded through the sale of one or more Creation Units by each Fund to one or more initial investors. Initial investors participating in the seeding may be Authorized Participants, a lead market maker or other third party investor or an affiliate of each Fund or each Fund’s adviser. Each such initial investor may sell some or all of the shares underlying the Creation Unit(s) held by them pursuant to the registration statement for each Fund (each, a “Selling Shareholder”), which shares have been registered to permit the resale from time to time after purchase. Each Fund will not receive any of the proceeds from the resale by the Selling Shareholders of these shares.

Selling Shareholders may sell shares owned by them directly or through broker-dealers, in accordance with applicable law, on any national securities exchange on which the shares may be listed or quoted at the time of sale, through trading systems, in the OTC market or in transactions other than on these exchanges or systems at fixed prices, at prevailing market prices at the time of the sale, at varying prices determined at the time of sale, or at negotiated prices. These sales may be effected through brokerage transactions, privately negotiated trades, block sales, entry into options or other derivatives transactions or through any other means authorized by applicable law. Selling Shareholders may redeem the shares held in Creation Unit size by them through an Authorized Participant.

Any Selling Shareholder and any broker-dealer or agents participating in the distribution of shares may be deemed to be “underwriters” within the meaning of Section 2(a)(11) of the 1933 Act, in connection with such sales.

Any Selling Shareholder and any other person participating in such distribution will be subject to applicable provisions of the 1934 Act and the rules and regulations thereunder.

Creation and Redemption of Creation Units

General. The Trust issues and sells shares of each Fund only in Creation Units on a continuous basis through the Distributor or its agent, without a sales load, at a price based on a Fund’s NAV next determined after receipt, on any Business Day (as defined below), of an order received by the Distributor or its agent in proper form. On days when the Listing Exchange or the listing exchange for the Fund’s exchange-traded options close earlier than normal, the Funds may require orders to be placed earlier in the day. The following table sets forth the number of shares of each Fund that constitute a Creation Unit for the Fund and the approximate value of such Creation Unit as of July 31, 2025:

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Fund Shares Per Creation Unit

Approximate Value Per Creation Unit (U.S.$)

iShares Large Cap Accelerated Outcome ETF 40,000 $1,036,400 iShares Large Cap Max Buffer Mar ETF 40,000 1,032,400 iShares Large Cap Max Buffer Jun ETF 40,000 1,103,600 iShares Large Cap Max Buffer Sep ETF 40,000 1,053,600 iShares Large Cap Max Buffer Dec ETF 40,000 1,040,000

In its discretion, the Trust reserves the right to increase or decrease the number of a Fund’s shares that constitute a Creation Unit. The Board reserves the right to declare a split or a consolidation in the number of shares outstanding of a Fund, and to make a corresponding change in the number of shares constituting a Creation Unit, in the event that the per share price in the secondary market rises (or declines) to an amount that falls outside the range deemed desirable by the Board.

A “Business Day” with respect to each Fund is any day the Fund is open for business, including any day when it satisfies redemption requests as required by Section 22(e) of the 1940 Act. Each Fund is open for business any day on which the Listing Exchange on which the Fund is listed for trading is open for business. As of the date of this SAI, the Listing Exchange observes the following holidays, as observed: New Year’s Day, Martin Luther King, Jr. Day, Presidents’ Day, Good Friday, Memorial Day, Juneteenth, Independence Day, Labor Day, Thanksgiving Day and Christmas Day.

Fund Deposit. The consideration for purchase of Creation Units of a Fund generally consists of Deposit Securities and the Cash Component computed as described below. Together, the Deposit Securities and the Cash Component constitute the “Fund Deposit,” which will be applicable (subject to possible amendment or correction) to creation requests received in proper form. The Fund Deposit represents the minimum initial and subsequent investment amount for a Creation Unit of a Fund. Such Fund Deposit is applicable, subject to any adjustments as described below, to purchases of Creation Units of shares of a given Fund until such time as the next-announced Fund Deposit is made available.

The Cash Component is an amount equal to the difference between the NAV of the shares (per Creation Unit) and the “Deposit Amount,” which is an amount equal to the market value of the Deposit Securities, and serves to compensate for any differences between the NAV per Creation Unit and the Deposit Amount. Payment of any stamp duty or other similar fees and expenses payable upon transfer of beneficial ownership of the Deposit Securities are the sole responsibility of the Authorized Participant purchasing the Creation Unit. Each Fund generally offers Creation Units partially for cash, but may, in certain circumstances, offer Creation Units solely for cash or solely in-kind. Please see the Cash Purchase Method section below and the following discussion summarizing the Deposit Security method for further information on purchasing Creation Units of a Fund.

The identity and number or par value of the Deposit Securities change pursuant to changes in the composition of a Fund’s portfolio and as rebalancing adjustments and corporate action events are reflected from time to time by BFA with a view to the investment objective(s) of a Fund. The composition of the Deposit Securities may also change in response to adjustments to the weighting or composition of the component securities constituting a Fund’s portfolio.

The Fund Deposit may also be modified to minimize the Cash Component by redistributing the cash to the Deposit Securities portion of the Fund Deposit through “systematic rounding.” The rounding methodology “rounds up” position sizes of securities in the Deposit Securities (which in turn reduces the cash portion). However, the methodology limits the maximum allowed percentage change in weight and share quantity of any given security in the Fund Deposit.

The Fund may, in its sole discretion, substitute a “cash in lieu” amount to be added to the Cash Component to replace any Deposit Security in certain circumstances, including: (i) when instruments are not available in sufficient quantity for delivery; (ii) when instruments are not eligible for transfer through DTC or the clearing process (as discussed below); (iii) when instruments that the Authorized Participant (or an investor on whose behalf the Authorized Participant is acting) are not able to be traded due to a trading restriction; (iv) when delivery of the Deposit Security by the Authorized Participant (or by an investor on whose behalf the Authorized Participant is acting) would be restricted under applicable securities or other local laws; (v) in connection with distribution payments to be made by a Fund; or (vi) in certain other situations.

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Cash Purchase Method. Although the Fund does not generally permit full cash purchases of Creation Units of its funds, when partial or full cash purchases of Creation Units are available or specified for a Fund, they will be effected in essentially the same manner as in-kind purchases thereof. In the case of a partial or full cash purchase, the Authorized Participant must pay the cash equivalent of the Deposit Securities it would otherwise be required to provide through an in-kind purchase, plus the same Cash Component required to be paid by an in-kind purchaser.

Procedures for Creation of Creation Units. To be eligible to place orders with the Distributor and to create a Creation Unit of a Fund, an entity must be: (i) a “Participating Party,” i.e., a broker-dealer or other participant in the clearing process through the Continuous Net Settlement System of the NSCC (the “Clearing Process”), a clearing agency that is registered with the SEC, or (ii) a DTC Participant, and must have executed an agreement with the Distributor, with respect to creations and redemptions of Creation Units (“Authorized Participant Agreement”) (discussed below). A member or participant of a clearing agency registered with the SEC which has a written agreement with a Fund or one of its service providers that allows such member or participant to place orders for the purchase and redemption of Creation Units is referred to as an “Authorized Participant.” All shares of the Funds, however created, will be entered on the records of DTC in the name of Cede & Co. for the account of a DTC Participant.

Role of the Authorized Participant. Creation Units may be purchased only by or through a member or participant of a clearing agency registered with the SEC, which has a written agreement with a Fund or one of its service providers that allows such member or participant to place orders for the purchase and redemption of Creation Units. Such Authorized Participant will agree, pursuant to the terms of such Authorized Participant Agreement and on behalf of itself or any investor on whose behalf it will act, to certain conditions, including that such Authorized Participant will make available in advance of each purchase of shares an amount of cash sufficient to pay the Cash Component, once the NAV of a Creation Unit is next determined after receipt of the purchase order in proper form, together with the transaction fees described below. An Authorized Participant, acting on behalf of an investor, may require the investor to enter into an agreement with such Authorized Participant with respect to certain matters, including payment of the Cash Component. Investors who are not Authorized Participants must make appropriate arrangements with an Authorized Participant. Investors should be aware that their particular broker may not be a DTC Participant or may not have executed an Authorized Participant Agreement and that orders to purchase Creation Units may have to be placed by the investor’s broker through an Authorized Participant. As a result, purchase orders placed through an Authorized Participant may result in additional charges to such investor. The Trust does not expect to enter into an Authorized Participant Agreement with more than a small number of DTC Participants. A list of current Authorized Participants may be obtained from the Distributor. The Distributor has adopted guidelines regarding Authorized Participants’ transactions in Creation Units that are made available to all Authorized Participants. These guidelines set forth the processes and standards for Authorized Participants to transact with the Distributor and its agents in connection with creation and redemption transactions. In addition, the Distributor may be appointed as the proxy of the Authorized Participant and may be granted a power of attorney under its Authorized Participant Agreement.

Placement of Creation Orders. Fund Deposits must be delivered through the Federal Reserve System (for cash and U.S. government securities), through DTC (for corporate and municipal securities) or through a central depository account, such as with Euroclear or DTC, maintained by BNY Mellon or a sub-custodian (a “Central Depository Account”). Any portion of the Fund Deposit that may not be delivered through the Federal Reserve System or DTC must be delivered through a Central Depository Account. The Fund Deposit transfers made through DTC must be ordered by the DTC Participant in a timely fashion so as to ensure the delivery of the requisite number of Deposit Securities through DTC to the account of a Fund generally before 3:00 p.m., Eastern time on the Settlement Date. Fund Deposit transfers made through the Federal Reserve System must be deposited by the participant institution in a timely fashion so as to ensure the delivery of the requisite number or amount of Deposit Securities or cash through the Federal Reserve System to the account of a Fund generally before 3:00 p.m., Eastern time on the Settlement Date. Fund Deposit transfers made through a Central Depository Account must be completed pursuant to the requirements established by the custodian or sub-custodian for such Central Depository Account generally before 2:00 p.m., Eastern time on the Settlement Date. The “Settlement Date” for all funds is generally the first business day after the Transmittal Date. All questions as to the number of Deposit Securities to be delivered, and the validity, form and eligibility (including time of receipt) for the deposit of any tendered securities, will be determined by the Trust, whose determination shall be final and binding. The amount of cash equal to the Cash Component must be transferred directly to BNY Mellon through the Federal Reserve Bank wire transfer system in a timely manner so as to be received by BNY Mellon generally before 3:00 p.m., Eastern time on the Settlement Date. If the Cash Component and the Deposit Securities are not received by 3:00 p.m., Eastern time on the Settlement Date, the creation order may be canceled. Upon written notice to the Distributor, such canceled order may be resubmitted the following Business Day using the Fund Deposit as newly

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constituted to reflect the then current NAV of a Fund. The delivery of Creation Units so created generally will occur no later than the first Business Day following the day on which the purchase order is deemed received by the Distributor, provided that the relevant Fund Deposit has been received by a Fund prior to such time.

Purchase Orders. To initiate an order for a Creation Unit, an Authorized Participant must submit to the Distributor or its agent an irrevocable order to purchase shares of a Fund, in proper form, generally before 4:00 p.m., Eastern time on any Business Day to receive that day’s NAV. The Distributor or its agent will notify BFA and the custodian of such order. The custodian will then provide such information to any appropriate sub-custodian. Procedures and requirements governing the delivery of the Fund Deposit are set forth in the procedures handbook for Authorized Participants and may change from time to time. Investors, other than Authorized Participants, are responsible for making arrangements for a creation request to be made through an Authorized Participant. The Distributor or its agent will provide a list of current Authorized Participants upon request. Those placing orders to purchase Creation Units through an Authorized Participant should allow sufficient time to permit proper submission of the purchase order to the Distributor or its agent by the Cutoff Time (as defined below) on such Business Day.

The Authorized Participant must also make available on or before the contractual settlement date, by means satisfactory to a Fund, immediately available or same day funds estimated by a Fund to be sufficient to pay the Cash Component next determined after acceptance of the purchase order, together with the applicable purchase transaction fees. Those placing orders should ascertain the deadline for cash transfers by contacting the operations department of the broker or depositary institution effectuating the transfer of the Cash Component. This deadline is likely to be significantly earlier than the Cutoff Time of a Fund. Investors should be aware that an Authorized Participant may require orders for purchases of shares placed with it to be in the particular form required by the individual Authorized Participant.

The Authorized Participant is responsible for any and all expenses and costs incurred by a Fund, including any applicable cash amounts, in connection with any purchase order.

Timing of Submission of Purchase Orders. An Authorized Participant must submit an irrevocable order to purchase shares of a Fund before 4:00 p.m., Eastern time on any Business Day in order to receive that day’s NAV. Creation Orders must be transmitted by an Authorized Participant in the form required by a Fund to the Distributor or its agent pursuant to procedures set forth in the Authorized Participant Agreement. Economic or market disruptions or changes, or telephone or other communication failure, may impede the ability to reach the Distributor or its agent or an Authorized Participant. A Fund’s deadline specified above for the submission of purchase orders is referred to as the Fund’s “Cutoff Time.” The Distributor or its agent, in their discretion, may permit the submission of such orders and requests by or through an Authorized Participant at any time (including on days on which the Listing Exchange is not open for business) via communication through the facilities of the Distributor’s or its agent’s proprietary website maintained for this purpose. Purchase orders and redemption requests, if accepted by the Trust, will be processed based on the NAV next determined after such acceptance in accordance with a Fund’s Cutoff Times as provided in the Authorized Participant Agreement and disclosed in this SAI.

Acceptance of Orders for Creation Units. Subject to the conditions that (i) an irrevocable purchase order has been submitted by the Authorized Participant (either on its own or another investor’s behalf ) and (ii) arrangements satisfactory to a Fund are in place for payment of the Cash Component and any other cash amounts which may be due, a Fund will accept the order, subject to the Fund’s right (and the right of the Distributor and BFA) to reject any order until acceptance, as set forth below.

Once a Fund has accepted an order, upon the next determination of the NAV of the shares, the Fund will confirm the issuance of a Creation Unit, against receipt of payment, at such NAV. The Distributor or its agent will then transmit a confirmation of acceptance to the Authorized Participant that placed the order.

Each Fund reserves the right to reject or revoke a creation order transmitted to it by the Distributor or its agent provided that a rejection or revocation of a creation order does not violate Rule 6c-11 under the Investment Company Act. For example, a Fund may reject or revoke a creation order transmitted to it by the Distributor or its agent if (i) the order is not in proper form; (ii) the investor(s), upon obtaining the shares ordered, would own 80% or more of the currently outstanding shares of the Fund; (iii) the Deposit Securities delivered do not conform to the identity and number of shares specified, as described above; (iv) acceptance of the Deposit Securities is not legally required or would, in the opinion of counsel, be unlawful; or (v) circumstances outside the control of the Fund, the Distributor or its agent and BFA make it impracticable to process purchase orders. The Distributor or its agent shall notify a prospective purchaser of a Creation Unit and/or the Authorized Participant acting on behalf of such purchaser of its rejection of such order. The Funds, BNY Mellon, the sub-custodian and

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the Distributor or its agent are under no duty, however, to give notification of any defects or irregularities in the delivery of Fund Deposits nor shall any of them incur any liability for failure to give such notification.

Issuance of a Creation Unit. Except as provided herein, a Creation Unit will not be issued until the transfer of good title to a Fund of the Deposit Securities and the payment of the Cash Component have been completed. When the sub-custodian has confirmed to the custodian that the securities included in the Fund Deposit (or the cash value thereof ) have been delivered to the account of the relevant sub-custodian or sub-custodians, the Distributor or its agent and BFA shall be notified of such delivery and a Fund will issue and cause the delivery of the Creation Unit.

Creation Units are generally issued on a “T+1 basis” (i.e., one Business Day after trade date). However, each Fund reserves the right to settle Creation Unit transactions on a different basis, if necessary or appropriate under the circumstances and compliant with applicable law. These circumstances may include, among others, accommodating non-U.S. market holiday schedules and accounting for different treatment among non-U.S. and U.S. markets of dividend record dates and ex-dividend dates (i.e., the last day the holder of a security can sell the security and still receive dividends payable on the security).

To the extent contemplated by an Authorized Participant Agreement with the Distributor, each Fund will issue Creation Units to such Authorized Participant, notwithstanding the fact that the corresponding Fund Deposits have not been received in part or in whole, in reliance on the undertaking of the Authorized Participant to deliver the missing Deposit Securities as soon as possible, which undertaking shall be secured by such Authorized Participant’s delivery and maintenance of collateral as set forth in the handbook for Authorized Participants. The Trust may use such collateral at any time to buy Deposit Securities for a Fund. Such collateral must be delivered no later than the time specified by a Fund or its custodian on the contractual settlement date. Information concerning a Fund’s current procedures for collateralization of missing Deposit Securities is available from the Distributor or its agent. The Authorized Participant Agreement will permit a Fund to buy the missing Deposit Securities at any time and will subject the Authorized Participant to liability for any shortfall between the cost to the Fund of purchasing such securities and the collateral including, without limitation, liability for related brokerage, borrowings and other charges.

In certain cases, Authorized Participants may create and redeem Creation Units on the same trade date and in these instances, each Fund reserves the right to settle these transactions on a net basis or require a representation from the Authorized Participants that the creation and redemption transactions are for separate beneficial owners. All questions as to the number of shares of each security in the Deposit Securities and the validity, form, eligibility and acceptance for deposit of any securities to be delivered shall be determined by such Fund and the Fund’s determination shall be final and binding.

Costs Associated with Creation Transactions.

A standard creation transaction fee is imposed to offset the transfer and other transaction costs associated with the issuance of Creation Units. Under an ETF Services Agreement, the Funds have retained BRIL, an affiliate of BFA, to perform certain ETF Services. BRIL will receive from an Authorized Participant a standard transaction fee on each creation order, which consists of (1) a fee for providing the ETF Services (the “ETF Servicing Fee”) and (2) transfer, processing and other transaction costs charged by a Fund custodian in connection with the issuance of Creation Units for such creation order (“Custody Transaction Costs”). BRIL is entitled to retain the ETF Servicing Fee pursuant to the ETF Services Agreement, but BRIL will reimburse any Custody Transaction Costs to the applicable Fund custodian according to the amounts invoiced by such custodian.

The ETF Servicing Fee is a flat fee per order regardless of the number of Creation Units being purchased, which amount will vary among different Funds based on a number of factors, including the complexity of the order and the types of securities or instruments included in a Fund’s Creation Basket, among other variables. The ETF Servicing Fee may be equal to zero in certain instances, such as for creation transactions that consist solely of cash. The actual Custody Transaction Costs vary per order based on the number of trades, underlying markets and settlement locations associated with the issuance of a Creation Unit. The following table sets forth, for each Fund, either the actual creation transaction fee that was charged on November 10, 2025 or an estimate of the creation transaction fee that would have been charged if the Fund had issued a Creation Unit on that date. The actual fee that was or would have been charged to an Authorized Participant in connection with a creation order will vary over time depending on the factors discussed above, and may be higher than the fee set forth below.

In order to defray transaction expenses for a Fund and protect against possible shareholder dilution, if a creation transaction consists solely or partially of cash, the Authorized Participant may also be required to cover (up to the maximum amount shown below) certain brokerage, tax, foreign exchange, execution and other costs and expenses related to the execution of trades resulting from such transaction (which may, in certain instances, be based on a good faith estimate of transaction

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costs based on historical data or other inputs, at BlackRock’s discretion, and may include part or all of the spread between the expected bid and offer side of the market and anticipated market impact). However, a Fund is not obligated to trade identical securities to the securities identified by BlackRock in estimating these transaction and other costs and expenses. In certain cases, BlackRock or an affiliate may determine in its discretion to deviate from the regular charge, subject to the maximum amounts shown below.

Authorized Participants will also bear the costs of transferring the Deposit Securities to the Funds. Certain fees/costs associated with creation transactions may be waived in certain circumstances. Investors who use the services of a broker or other financial intermediary to acquire Fund shares may be charged a fee for such services.

The following table sets forth each Fund’s actual or estimated creation transaction fee, as applicable, as of November 10, 2025 and maximum additional charge (as described above):

Fund Standard Creation Transaction Fee

Maximum Additional Charge for Creations*

iShares Large Cap Accelerated Outcome ETF $311.25** 3.0% iShares Large Cap Max Buffer Mar ETF 311.25** 3.0% iShares Large Cap Max Buffer Jun ETF 311.25** 3.0% iShares Large Cap Max Buffer Sep ETF 311.25** 3.0% iShares Large Cap Max Buffer Dec ETF 311.25** 3.0%

* As a percentage of the net asset value per Creation Unit. ** Estimated fee.

Redemption of Creation Units. Shares of a Fund may be redeemed by Authorized Participants only in Creation Units at their NAV next determined after receipt of a redemption request in proper form by the Distributor or its agent and only on a Business Day. The Funds will not redeem shares in amounts less than Creation Units. There can be no assurance, however, that there will be sufficient liquidity in the secondary market at any time to permit assembly of a Creation Unit. Investors should expect to incur brokerage and other costs in connection with assembling a sufficient number of shares to constitute a Creation Unit that could be redeemed by an Authorized Participant. Beneficial owners also may sell shares in the secondary market.

Each Fund generally redeems Creation Units for Fund Securities (as defined below). Please see the following discussion summarizing the in-kind method for further information on redeeming Creation Units of the Funds.

Each Fund publishes the designated portfolio of securities (including any portion of such securities for which cash may be substituted) that will be applicable to redemption requests received in proper form (as defined below) on that day (“Fund Securities” or “Redemption Basket”), and an amount of cash (the “Cash Amount,” as described below) are applicable, in order to effect redemptions of Creation Units of the Fund. Such Fund Securities and Cash Amount will remain in effect until such time as the next announced composition of the Fund Securities and Cash Amount is made available. The Fund Securities and Cash Amount are subject to possible amendment or correction. Procedures and requirements governing redemption transactions are set forth in the handbook for Authorized Participants and may change from time to time.

Unless cash redemptions are available or specified for a Fund, the redemption proceeds for a Creation Unit generally consist of Fund Securities, plus the Cash Amount, which is an amount equal to the difference between the net asset value of the shares being redeemed, as next determined after the receipt of a redemption request in proper form, and the value of Fund Securities, less a redemption transaction fee (as described below).

The Trust may, in its sole discretion, substitute a “cash in lieu” amount to replace any Fund Security in certain circumstances, including: (i) when the delivery of a Fund Security to the Authorized Participant (or to an investor on whose behalf the Authorized Participant is acting) would be restricted under applicable securities or other local laws or due to a trading restriction; (ii) when the delivery of a Fund Security to the Authorized Participant would result in the disposition of the Fund Security by the Authorized Participant due to restrictions under applicable securities or other local laws; (iii) when the delivery of a Fund Security to the Authorized Participant would result in unfavorable tax treatment; (iv) when a Fund Security cannot be settled or otherwise delivered in time to facilitate an in-kind redemption; or (v) in certain other situations. The amount of cash paid out in such cases will be equivalent to the value of the substituted security listed as a Fund Security. In the event

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that the Fund Securities have a value greater than the NAV of the shares, a compensating cash payment equal to the difference is required to be made by or through an Authorized Participant by the redeeming shareholder. The Funds generally redeem Creation Units for Fund Securities, but the Funds reserve the right to utilize a cash option for redemption of Creation Units. A Fund may, in its sole discretion, provide such redeeming Authorized Participant a portfolio of securities that differs from the exact composition of the Fund Securities, but does not differ in NAV. The Redemption Basket may also be modified to minimize the Cash Component by redistributing the cash to the Fund Securities portion of the Redemption Basket through systematically rounding. The rounding methodology allows position sizes of securities in the Fund Securities to be “rounded up,” while limiting the maximum allowed percentage change in weight and share quantity of any given security in the Redemption Basket.

Cash Redemption Method. Although the Trust does not generally permit partial or full cash redemptions of Creation Units of its funds, when partial or full cash redemptions of Creation Units are available or specified for a Fund, they will be effected in essentially the same manner as in-kind redemptions thereof. In the case of partial or full cash redemption, the Authorized Participant receives the cash equivalent of the Fund Securities it would otherwise receive through an in-kind redemption, plus the same Cash Amount to be paid to an in-kind redeemer.

Costs Associated with Redemption Transactions.

A standard redemption transaction fee is imposed to offset transfer and other transaction costs that may be incurred by the relevant Fund. As described above, under an ETF Services Agreement, the Funds have retained BRIL, an affiliate of BFA, to perform certain ETF Services. BRIL will receive from an Authorized Participant a standard transaction fee on each redemption order, which consists of (1) the ETF Servicing Fee and (2) Custody Transaction Costs. BRIL is entitled to retain the ETF Servicing Fee pursuant to the ETF Services Agreement, but BRIL will reimburse any Custody Transaction Costs to the applicable Fund custodian according to the amounts invoiced by such custodian.

The ETF Servicing Fee is a flat fee per order regardless of the number of Creation Units being redeemed, which amount will vary among different Funds based on a number of factors, including the complexity of the order and the types of securities or instruments included in a Fund’s Redemption Basket, among other variables. The ETF Servicing Fee may be equal to zero in certain instances, such as for redemption transactions that consist solely of cash. The actual Custody Transaction Costs vary per order based on the number of trades, underlying markets, and settlement locations associated with the redemption of a Creation Unit. The following table sets forth, for each Fund, either the actual standard redemption transaction fee that was charged on November 10, 2025 or an estimate of the standard redemption transaction fee that would have been charged if the Fund had redeemed a Creation Unit on that date. The actual fee that was or would have been charged to an Authorized Participant in connection with a redemption order will vary over time depending on the factors discussed above, and may be higher than the fee set forth below.

In order to defray transaction expenses for a Fund and protect against possible shareholder dilution, if a redemption transaction consists solely or partially of cash, the Authorized Participant may also be required to cover (up to the maximum amount shown below) certain brokerage, tax, foreign exchange, execution and other costs and expenses related to the execution of trades resulting from such transaction (which may, in certain instances, be based on a good faith estimate of transaction costs based on historical data or other inputs, at BlackRock’s discretion, and may include part or all of the spread between the expected bid and offer side of the market and anticipated market impact). However, a Fund is not obligated to trade identical securities to the securities identified by BlackRock in estimating these transaction and other costs and expenses. In certain cases, BlackRock or an affiliate may determine in its discretion to deviate from the regular charge, subject to the maximum amounts shown below.

Authorized Participants will also bear the costs of transferring the Fund Securities from a Fund to their account on their order. Certain fees/costs associated with redemption transactions may be waived in certain circumstances. Investors who use the services of a broker or other financial intermediary to dispose of Fund shares may be charged a fee for such services.

The following table sets forth each Fund’s actual or estimated redemption transaction fee, as applicable, as November 10, 2025 and maximum additional charge (as described above):

Fund Standard Redemption Transaction Fee

Maximum Additional Charge for Redemptions*

iShares Large Cap Accelerated Outcome ETF $311.25** 2.0%

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Fund Standard Redemption Transaction Fee Maximum Additional Charge for Redemptions*

iShares Large Cap Max Buffer Mar ETF 311.25** 2.0% iShares Large Cap Max Buffer Jun ETF 311.25** 2.0% iShares Large Cap Max Buffer Sep ETF 311.25** 2.0% iShares Large Cap Max Buffer Dec ETF 311.25** 2.0%

* As a percentage of the net asset value per Creation Unit, inclusive of the standard redemption transaction fee. ** Estimated fee.

Placement of Redemption Orders. Redemption requests for Creation Units of a Fund must be submitted to the Distributor or its agent by or through an Authorized Participant. An Authorized Participant must submit an irrevocable request to redeem shares of a Fund generally before 4:00 p.m., Eastern time on any Business Day, in order to receive that day’s NAV. On days when the Listing Exchange closes earlier than normal, a Fund may require orders to redeem Creation Units to be placed earlier that day. Investors, other than Authorized Participants, are responsible for making arrangements for a redemption request to be made through an Authorized Participant. The Distributor or its agent will provide a list of current Authorized Participants upon request.

The Authorized Participant must transmit the request for redemption in the form required by a Fund to the Distributor or its agent in accordance with procedures set forth in the Authorized Participant Agreement. Investors should be aware that their particular broker may not have executed an Authorized Participant Agreement and that, therefore, requests to redeem Creation Units may have to be placed by the investor’s broker through an Authorized Participant who has executed an Authorized Participant Agreement. At any time, only a limited number of broker-dealers will have an Authorized Participant Agreement in effect. Investors making a redemption request should be aware that such request must be in the form specified by such Authorized Participant. Investors making a request to redeem Creation Units should allow sufficient time to permit proper submission of the request by an Authorized Participant and transfer of the shares to a Fund’s transfer agent; such investors should allow for the additional time that may be required to effect redemptions through their banks, brokers or other financial intermediaries if such intermediaries are not Authorized Participants.

A redemption request is considered to be in “proper form” if: (i) an Authorized Participant has transferred or caused to be transferred to a Fund’s transfer agent the Creation Unit redeemed through the book-entry system of DTC so as to be effective by the Listing Exchange closing time on any Business Day on which the redemption request is submitted; (ii) a request in form satisfactory to a Fund is received by the Distributor or its agent from the Authorized Participant on behalf of itself or another redeeming investor within the time periods specified above; and (iii) all other procedures set forth in the Authorized Participant Agreement are properly followed. Upon receiving a redemption request, the Distributor or its agent shall notify a Fund and the Fund’s transfer agent of such redemption request. The tender of an investor’s shares for redemption and the distribution of the securities and/or cash included in the redemption payment made in respect of Creation Units redeemed will be made through DTC and the relevant Authorized Participant to the Beneficial Owner thereof as recorded on the book entry system of DTC or the DTC Participant through which such investor holds, as the case may be, or by such other means specified by the Authorized Participant submitting the redemption request.

A redeeming Authorized Participant, whether on its own account or acting on behalf of a Beneficial Owner, must maintain appropriate security arrangements with a qualified broker-dealer, bank or other custody providers in each jurisdiction in which any of the portfolio securities are customarily traded, to which account such portfolio securities will be delivered.

Deliveries of redemption proceeds are generally made within one Business Day (i.e., “T+1”). However, each Fund reserves the right to settle deliveries of redemption proceeds on a different basis, if necessary or appropriate under the circumstances and compliant with applicable law. These circumstances may include, among others, accommodating non-U.S. market holiday schedules and accounting for different treatment among non-U.S. and U.S. markets of dividend record dates and dividend ex-dates (i.e., the last date the holder of a security can sell the security and still receive dividends payable on the security).

If a Fund includes a foreign investment in its basket, and if a local market holiday, or series of consecutive holidays, or the extended delivery cycles for transferring foreign investments to redeeming Authorized Participants prevents timely delivery of the foreign investment in response to a redemption request, the Fund may delay delivery of the foreign investment more than seven days if the Fund delivers the foreign investment as soon as practicable, but in no event later than 15 days. If neither the Authorized Participant nor the Beneficial Owner on whose behalf the Authorized Participant is acting has appropriate

Page 84

arrangements to take delivery of Fund Securities in the applicable non-U.S. jurisdiction and it is not possible to make other such arrangements, or if it is not possible to effect deliveries of Fund Securities in such jurisdiction, a Fund may in its discretion exercise its option to redeem such shares in cash, and the Beneficial Owner will be required to receive its redemption proceeds in cash. In such case, the investor will receive a cash payment equal to the net asset value of its shares based on the NAV of a Fund next determined after the redemption request is received in proper form (minus a redemption transaction fee and additional charges specified above to offset a Fund’s brokerage and other transaction costs associated with the disposition of Fund Securities). Redemptions of shares for Fund Securities will be subject to compliance with applicable U.S. federal and state securities laws and a Fund (whether or not it otherwise permits cash redemptions) reserves the right to redeem Creation Units for cash to the extent that the Fund cannot lawfully deliver specific Fund Securities upon redemptions or cannot do so without first registering the Fund Securities under such laws.

To the extent contemplated by an Authorized Participant’s agreement with the Distributor or its agent, in the event an Authorized Participant has submitted a redemption request in proper form but is unable to transfer all or part of the Creation Unit to be redeemed to a Fund, at or prior to the time specified by the Fund or its custodian on the Business Day after the date of submission of redemption request, the Distributor or its agent will accept the redemption request in reliance on the undertaking by the Authorized Participant to deliver the missing shares as soon as possible. Such undertaking shall be secured by the Authorized Participant’s delivery and maintenance of collateral as set forth in the handbook for Authorized Participants. Such collateral must be delivered no later than the time specified by a Fund or its custodian on the Business Day after the date of submission of such redemption request and shall be held by BNY Mellon and marked-to-market daily. The fees of BNY Mellon and any sub-custodians in respect of the delivery, maintenance and redelivery of the collateral shall be payable by the Authorized Participant. The Authorized Participant Agreement permits a Fund to acquire shares of the Fund at any time and subjects the Authorized Participant to liability for any shortfall between the aggregate of the cost to the Fund of purchasing such shares, plus the value of the Cash Amount, and the value of the collateral together with liability for related brokerage and other charges.

The right of redemption may be suspended or the date of payment postponed with respect to the Funds: (i) for any period during which the Listing Exchange is closed (other than customary weekend and holiday closings); (ii) for any period during which trading on the Listing Exchange is suspended or restricted; (iii) for any period during which an emergency exists as a result of which disposal of the shares of a Fund’s portfolio securities or determination of its NAV is not reasonably practicable; or (iv) in such other circumstance as is permitted by the SEC.

Custom Baskets. Creation and Redemption baskets may differ and the Funds will accept “custom baskets.” A custom basket may include any of the following: (i) a basket that is composed of a non-representative selection of a Fund’s portfolio holdings; (ii) a representative basket that is different from the initial basket used in transactions on the same business day; or (iii) a basket that contains bespoke cash substitutions for a single Authorized Participant. Each Fund has adopted policies and procedures that govern the construction and acceptance of baskets, including heightened requirements for certain types of custom baskets. Such policies and procedures provide the parameters for the construction and acceptance of custom baskets that are in the best interests of a Fund and its shareholders, establish processes for revisions to, or deviations from, such parameters, and specify the titles and roles of the employees of BFA who are required to review each custom basket for compliance with those parameters. In addition, when constructing custom baskets for redemptions, the tax efficiency of a Fund may be taken into account. The policies and procedures distinguish among different types of custom baskets that may be used for a Fund and impose different requirements for different types of custom baskets in order to seek to mitigate against potential risks of conflicts and/or overreaching by an Authorized Participant. BlackRock has established a governance process to oversee basket compliance for a Fund, as set forth in each Fund’s policies and procedures.

Taxation on Creations and Redemptions of Creation Units. An Authorized Participant generally will recognize either gain or loss upon the exchange of Deposit Securities for Creation Units. This gain or loss is calculated by taking the market value of the Creation Units purchased over the Authorized Participant’s aggregate basis in the Deposit Securities exchanged therefor. However, the IRS may apply the wash sales rules to determine that any loss realized upon the exchange of Deposit Securities for Creation Units is not currently deductible. Authorized Participants should consult their own tax advisors.

Current U.S. federal income tax laws dictate that capital gain or loss realized from the redemption of Creation Units will generally create long-term capital gain or loss if the Authorized Participant holds the Creation Units for more than one year, or short-term capital gain or loss if the Creation Units were held for one year or less, if the Creation Units are held as capital assets.

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Taxes

The following is a summary of certain material U.S. federal income tax considerations regarding the purchase, ownership and disposition of shares of a Fund. This summary does not address all of the potential U.S. federal income tax consequences that may be applicable to a Fund or to all categories of investors, some of which may be subject to special tax rules. Current and prospective shareholders are urged to consult their own tax advisors with respect to the specific U.S. federal, state, local and non-U.S. tax consequences of investing in a Fund. The summary is based on the laws and judicial and administrative interpretations thereof in effect on the date of this SAI, all of which are subject to change, possibly with retroactive effect. References to the Funds will also generally apply to the Underlying Funds as well.

Regulated Investment Company Qualifications. Each Fund intends to qualify for treatment as a separate RIC under Subchapter M of the Internal Revenue Code. To qualify for treatment as a RIC, each Fund must annually distribute at least 90% of its investment company taxable income (which includes dividends, interest and net short-term capital gains) and meet several other requirements. Among such other requirements are the following: (i) at least 90% of each Fund’s annual gross income must be derived from dividends, interest, payments with respect to securities loans, gains from the sale or other disposition of stock or securities or non-U.S. currencies, other income (including, but not limited to, gains from options, futures or forward contracts) derived with respect to its business of investing in such stock, securities or currencies, and net income derived from interests in qualified publicly-traded partnerships ( i.e., partnerships that are traded on an established securities market or tradable on a secondary market, other than partnerships that derive at least 90% of their income from interest, dividends, capital gains and other traditionally permitted RIC income); and (ii) at the close of each quarter of each Fund’s taxable year, (a) at least 50% of the market value of each Fund’s total assets must be represented by cash and cash items, U.S. government securities, securities of other RICs and other securities, with such other securities limited for purposes of this calculation in respect of any one issuer to an amount not greater than 5% of the value of the Fund’s assets and not greater than 10% of the outstanding voting securities of such issuer, and (b) not more than 25% of the value of each Fund’s total assets may be invested in the securities (other than U.S. government securities or the securities of other RICs) of any one issuer, of two or more issuers of which 20% or more of the voting stock is held by the Fund and that are engaged in the same or similar trades or businesses or related trades or businesses, or the securities of one or more qualified publicly-traded partnerships.

A Fund may be able to cure a failure to derive at least 90% of its income from the sources specified above or a failure to diversify its holdings in the manner described above by paying a tax and/or by disposing of certain assets. If, in any taxable year, a Fund fails one of these tests and does not timely cure the failure, that Fund will be taxed in the same manner as an ordinary corporation and distributions to its shareholders will not be deductible by that Fund in computing its taxable income.

Although, in general, the passive loss rules of the Internal Revenue Code do not apply to RICs, such rules do apply to a RIC with respect to items attributable to interests in qualified publicly-traded partnerships. A Fund’s investments in partnerships, including in qualified publicly-traded partnerships, may result in the Fund being subject to state, local, or non-U.S. income, franchise or withholding tax liabilities.

Taxation of RICs. As a RIC, a Fund will not be subject to U.S. federal income tax on the portion of its taxable investment income and capital gains that it distributes to its shareholders, provided that it satisfies a minimum distribution requirement. To satisfy the minimum distribution requirement, a Fund must distribute to its shareholders at least the sum of (i) 90% of its “investment company taxable income” (i.e., income other than the excess of its net realized long-term capital gain over its net realized short-term capital loss), plus or minus certain adjustments, and (ii) 90% of its net tax-exempt income for the taxable year. A Fund will be subject to income tax at regular corporate rates on any taxable income or gains that it does not distribute to its shareholders. If a Fund fails to qualify for any taxable year as a RIC or fails to meet the distribution requirement, all of its taxable income will be subject to tax at regular corporate income tax rates without any deduction for distributions to shareholders, and such distributions generally will be taxable to shareholders as ordinary dividends to the extent of the Fund’s current and accumulated earnings and profits. In such event, distributions to individuals should be eligible to be treated as qualified dividend income and distributions to corporate shareholders generally should be eligible for the dividends received deduction. Although each Fund intends to distribute substantially all of its net investment income and its capital gains for each taxable year, a Fund may decide to retain a portion of its income or gains. Each Fund will be subject to U.S. federal income taxation and excise taxation (as described below) to the extent it does not distribute all (or, in the case of the excise tax, substantially all) of such income or gains. In certain circumstances, including in instances where the

Page 86

operational cost of the distribution would exceed the amount of the income or excise tax, BFA or an affiliate may voluntarily pay the tax on behalf of a Fund or reimburse the Fund for the tax. If a Fund fails to qualify as a RIC in any year, it must pay out its earnings and profits accumulated in that year in order to qualify again as a RIC. If a Fund fails to qualify as a RIC for a period greater than two taxable years, the Fund may be required to recognize any net built-in gains with respect to certain of its assets (i.e., the excess of the aggregate gains, including items of income, over aggregate losses that would have been realized with respect to such assets if the Fund had been liquidated) if it qualifies as a RIC in a subsequent year.

Excise Tax. A Fund will be subject to a 4% excise tax on certain undistributed income if it does not distribute to its shareholders in each calendar year at least 98% of its ordinary income for the calendar year plus at least 98.2% of its capital gain net income for the 12 months ended October 31 of such year. For this purpose, however, any ordinary income or capital gain net income retained by a Fund that is subject to corporate income tax will be considered to have been distributed by year-end. In addition, the minimum amounts that must be distributed in any year to avoid the excise tax will be increased or decreased to reflect any underdistribution or overdistribution, as the case may be, from the previous year. Long-term capital distributions from the Underlying Funds paid in December or, in certain cases, January in satisfaction of this rule will be subject to potential distribution by the Funds in the following calendar year.

Net Capital Loss Carryforwards. Net capital loss carryforwards may be applied against any net realized capital gains in each succeeding year, until they have been reduced to zero.

In the event that a Fund were to experience an ownership change as defined under the Internal Revenue Code, the loss carryforwards and other favorable tax attributes of a Fund, if any, may be subject to limitation.

The Funds did not have tax basis net capital loss carryforwards as of July 31, 2025, the tax year-end for the Funds.

Taxation of U.S. Shareholders. Dividends and other distributions by a Fund are generally treated under the Internal Revenue Code as received by the shareholders at the time the dividend or distribution is made. However, any dividend or distribution declared by a Fund in October, November or December of any calendar year and payable to shareholders of record on a specified date in such a month shall be deemed to have been received by each shareholder on December 31 of such calendar year and to have been paid by the Fund not later than such December 31, provided such dividend is actually paid by the Fund during January of the following calendar year.

Each Fund intends to distribute annually to its shareholders substantially all of its investment company taxable income and any net realized long-term capital gains in excess of net realized short-term capital losses (including any capital loss carryovers). However, if a Fund retains for investment an amount equal to all or a portion of its net long-term capital gains in excess of its net short-term capital losses (including any capital loss carryovers), it will be subject to a corporate tax (at a flat rate of 21%) on the amount retained. In that event, unless the retained amount is deemed to be de minimis or the applicable tax is otherwise reimbursed by BFA or an affiliate, the Fund will generally designate such retained amounts as undistributed capital gains in a notice to its shareholders who (a) will be required to include in income for U.S. federal income tax purposes, as long-term capital gains, their proportionate shares of the undistributed amount, (b) will be entitled to credit their proportionate shares of the tax paid by the Fund on the undistributed amount against their U.S. federal income tax liabilities, if any, and to claim refunds to the extent their credits exceed their liabilities, if any, and (c) will be entitled to increase their tax basis, for U.S. federal income tax purposes, in their shares by an amount equal to the excess of the amount in clause (a) over the amount in clause (b). Organizations or persons not subject to U.S. federal income tax on such capital gains will be entitled to a refund of their pro rata share of such taxes paid by the Fund upon filing appropriate returns or claims for refund with the IRS.

Distributions of net realized long-term capital gains, if any, that a Fund reports as capital gains dividends are taxable as long term capital gains, whether paid in cash or in shares and regardless of how long a shareholder has held shares of the Fund. All other dividends of a Fund (including dividends from short-term capital gains) from its current and accumulated earnings and profits (“regular dividends”) are generally subject to tax as ordinary income, subject to the discussion of qualified dividend income below. Because the Funds are expected to invest in the Underlying Fund, the Fund’s realized losses on sales of shares of the Underlying Fund may be indefinitely or permanently deferred as “wash sales.” Distributions of short-term capital gains by the Underlying Fund will be recognized as ordinary income by a Fund and would not be offset by a Fund’s capital loss carryforwards, if any. Capital loss carryforwards of the Underlying Fund, if any, would not offset net capital gains of a Fund. Long-term capital gains are eligible for taxation at a maximum rate of 15% or 20% for non-corporate shareholders, depending on whether their income exceeds certain threshold amounts.

Page 87

If an individual receives a regular dividend qualifying for the long-term capital gains rates and such dividend constitutes an “extraordinary dividend,” and the individual subsequently recognizes a loss on the sale or exchange of stock in respect of which the extraordinary dividend was paid, then the loss will be long-term capital loss to the extent of such extraordinary dividend. An “extraordinary dividend” on common stock for this purpose is generally a dividend (i) in an amount greater than or equal to 10% of the taxpayer’s tax basis (or trading value) in a share of stock, aggregating dividends with ex-dividend dates within an 85-day period, or (ii) in an amount greater than 20% of the taxpayer’s tax basis (or trading value) in a share of stock, aggregating dividends with ex-dividend dates within a 365-day period.

Distributions in excess of a Fund’s current and accumulated earnings and profits will, as to each shareholder, be treated as a tax-free return of capital to the extent of a shareholder’s basis in shares of the Fund, and as a capital gain thereafter (if the shareholder holds shares of the Fund as capital assets). Distributions in excess of a Fund’s minimum distribution requirements, but not in excess of a Fund’s earnings and profits, will be taxable to shareholders and will not constitute nontaxable returns of capital. Shareholders receiving dividends or distributions in the form of additional shares should be treated for U.S. federal income tax purposes as receiving a distribution in an amount equal to the amount of money that the shareholders receiving cash dividends or distributions will receive and should have a cost basis in the shares received equal to such amount.

A 3.8% U.S. federal Medicare contribution tax is imposed on net investment income, including, but not limited to, interest, dividends, and net gain from investments, of U.S. individuals with income exceeding $200,000 (or $250,000 if married and filing jointly) and of estates and trusts.

Investors considering buying shares just prior to a dividend or capital gain distribution should be aware that, although the price of shares purchased at that time may reflect the amount of the forthcoming distribution, such dividend or distribution may nevertheless be taxable to them. If a Fund is the holder of record of any security on the record date for any dividends payable with respect to such security, such dividends will be included in the Fund’s gross income not as of the date received

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        "box": {
          "height": 12,
          "width": 631,
          "x": 183,
          "y": 245
        },
        "id": "0e153935-7de4-457b-9d13-d9138e6b1945",
        "page_number": 1,
        "text": "Fund (Ticker) Outcome Period Approximate Cap"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 224,
          "x": 124,
          "y": 266
        },
        "id": "0bbb5c14-5bab-4f1c-a16e-c8b59b48790f",
        "page_number": 1,
        "text": "iShares Large Cap 10% Target"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 165,
          "x": 162,
          "y": 281
        },
        "id": "2bed2649-7648-4b22-ad6f-ca9cfb7fe75e",
        "page_number": 1,
        "text": "Buffer Sep ETF (STEN)"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 92,
          "x": 434,
          "y": 266
        },
        "id": "cd7dee92-143f-47b9-aaff-563d5807c204",
        "page_number": 1,
        "text": "Oct. 1, 2026"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 122,
          "x": 419,
          "y": 282
        },
        "id": "926289d1-f679-47ee-a2e9-98f0b267885a",
        "page_number": 1,
        "text": "to Sep. 30, 2027"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 261,
          "x": 616,
          "y": 266
        },
        "id": "b5321e92-2542-4351-9b32-e1ffca1b87ee",
        "page_number": 1,
        "text": "19.25% (gross of management fee)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 245,
          "x": 624,
          "y": 281
        },
        "id": "ba52e70d-1e39-4d8c-9c4d-1fd7ccc5fe82",
        "page_number": 1,
        "text": "18.75% (net of management fee)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 218,
          "x": 127,
          "y": 304
        },
        "id": "cc9c9505-1617-42c6-acfb-6ab977794dd8",
        "page_number": 1,
        "text": "iShares Large Cap Max Buffer"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 124,
          "x": 182,
          "y": 320
        },
        "id": "d969301a-de4e-4663-8b5f-b9ee67b14434",
        "page_number": 1,
        "text": "Sep ETF (SMAX)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 11,
          "width": 92,
          "x": 434,
          "y": 305
        },
        "id": "b51ea439-fee0-42e6-9d6a-1118a13804ba",
        "page_number": 1,
        "text": "Oct. 1, 2026"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 122,
          "x": 419,
          "y": 320
        },
        "id": "f8e75733-f486-442e-9176-f8abcbcb56a7",
        "page_number": 1,
        "text": "to Sep. 30, 2027"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 254,
          "x": 619,
          "y": 304
        },
        "id": "ff50906f-6dbd-4b56-a3ce-44141158275b",
        "page_number": 1,
        "text": "9.77% (gross of management fee)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 238,
          "x": 627,
          "y": 320
        },
        "id": "61e05eb1-fb7d-4b14-88d1-fe9dbbf9be2a",
        "page_number": 1,
        "text": "9.27% (net of management fee)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 224,
          "x": 124,
          "y": 343
        },
        "id": "e8d8f2d5-afe1-4597-afaf-4f2a30115fc1",
        "page_number": 1,
        "text": "iShares Large Cap Accelerated"
      },
      {
        "block_type": "box",
        "box": {
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          "x": 160,
          "y": 359
        },
        "id": "a2d730f5-36c3-47cf-863a-905b2db9c4cd",
        "page_number": 1,
        "text": "Outcome ETF (TWOX)"
      },
      {
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          "x": 434,
          "y": 344
        },
        "id": "30d73251-a2a4-4899-8cd6-f5e06c9eb11e",
        "page_number": 1,
        "text": "Oct. 1, 2026"
      },
      {
        "block_type": "box",
        "box": {
          "height": 11,
          "width": 124,
          "x": 418,
          "y": 359
        },
        "id": "e4292444-0d3c-495d-b431-baf204613073",
        "page_number": 1,
        "text": "to Dec. 31, 2026"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 254,
          "x": 619,
          "y": 343
        },
        "id": "25f65aaf-5fa1-48ae-9bcc-362cdb2b74b4",
        "page_number": 1,
        "text": "6.90% (gross of management fee)"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 238,
          "x": 627,
          "y": 359
        },
        "id": "995e99f9-41de-402c-a69c-1ff1622f923d",
        "page_number": 1,
        "text": "6.78% (net of management fee)"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 712,
          "x": 117,
          "y": 390
        },
        "id": "5e35d051-8677-4012-9004-211fdaa6df79",
        "page_number": 1,
        "text": "Each Fund\u2019s Prospectus, Summary Prospectus and SAI are amended to revise all references to the"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 655,
          "x": 116,
          "y": 405
        },
        "id": "169edb4f-a157-4564-a2ee-14eae100436b",
        "page_number": 1,
        "text": "Outcome Period and Approximate Cap, when applicable, to reflect the information above."
      },
      {
        "block_type": "box",
        "box": {
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          "width": 521,
          "x": 117,
          "y": 428
        },
        "id": "58a43a90-ac21-4e54-9266-b53870656324",
        "page_number": 1,
        "text": "If you have any questions, please call 1-800-iShares (1-800-474-2737)."
      },
      {
        "block_type": "box",
        "box": {
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          "width": 40,
          "x": 117,
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        },
        "id": "410964da-58db-430e-9980-32c790c21a0a",
        "page_number": 1,
        "text": "iShares"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 8,
          "x": 158,
          "y": 869
        },
        "id": "c5e7b622-1d02-4cf6-bb88-e0aea81a519e",
        "page_number": 1,
        "text": "\u00ae"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 406,
          "x": 170,
          "y": 869
        },
        "id": "57827c58-3e6f-4b29-9bc9-1423981d57e4",
        "page_number": 1,
        "text": "is a registered trademark of BlackRock Fund Advisors and its affiliates."
      },
      {
        "block_type": "box",
        "box": {
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          "width": 110,
          "x": 773,
          "y": 887
        },
        "id": "fb87b782-b11a-4d50-b58c-eb779e8d944c",
        "page_number": 1,
        "text": "IS-A-OC-Cap-1026"
      },
      {
        "block_type": "box",
        "box": {
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          "x": 368,
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        },
        "id": "02b72b62-c676-4fea-be71-82fb66f83b72",
        "page_number": 1,
        "text": "PLEASE RETAIN THIS SUPPLEMENT"
      },
      {
        "block_type": "box",
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          "width": 186,
          "x": 407,
          "y": 926
        },
        "id": "96148ab3-5bac-441b-b872-6c2d4ba5aa57",
        "page_number": 1,
        "text": "FOR FUTURE REFERENCE"
      },
      {
        "block_type": "box",
        "box": {
          "height": 10,
          "width": 103,
          "x": 450,
          "y": 69
        },
        "id": "73c3d12a-3d28-43e7-a29f-14b2bb88f8af",
        "page_number": 2,
        "text": "iShares Trust"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 300,
          "x": 352,
          "y": 85
        },
        "id": "57e92d1c-c5a4-49b5-99e1-4beacfd9e804",
        "page_number": 2,
        "text": "Supplement dated September 22, 2026"
      },
      {
        "block_type": "box",
        "box": {
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          "x": 119,
          "y": 100
        },
        "id": "ddb07467-6d7a-4a7f-8689-97733dc32563",
        "page_number": 2,
        "text": "to the currently effective Summary Prospectus, Prospectus and Statement of Additional Information"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 750,
          "x": 127,
          "y": 116
        },
        "id": "0ae3cd5c-1ddb-4950-8927-235624c82b73",
        "page_number": 2,
        "text": "(\u201cSAI\u201d) for the iShares Large Cap 10% Target Buffer Sep ETF (STEN), iShares Large Cap Max Buffer"
      },
      {
        "block_type": "box",
        "box": {
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          "y": 131
        },
        "id": "d5ff6d13-93d2-4ea4-b224-66c51fd036f5",
        "page_number": 2,
        "text": "Sep ETF (SMAX) and iShares Large Cap Accelerated Outcome ETF (TWOX) (each, a \u201cFund\u201d)"
      },
      {
        "block_type": "box",
        "box": {
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          "x": 116,
          "y": 154
        },
        "id": "823184fa-c266-4e57-b60b-c30172e69055",
        "page_number": 2,
        "text": "As described in the Fund\u2019s Prospectus, Summary Prospectus and SAI, each Fund seeks to provide certain"
      },
      {
        "block_type": "box",
        "box": {
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          "x": 116,
          "y": 170
        },
        "id": "1604fc21-297d-4d66-a8a5-32eabc80a948",
        "page_number": 2,
        "text": "outcomes for an investment held over an entire Outcome Period. Capitalized terms have the meanings"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 385,
          "x": 116,
          "y": 185
        },
        "id": "750697ca-1f70-4d73-85a3-44d37dbdf30c",
        "page_number": 2,
        "text": "ascribed to them in each Fund\u2019s Prospectus and SAI."
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 766,
          "x": 116,
          "y": 209
        },
        "id": "ff04115b-588c-493d-a868-ba1c9656b2c5",
        "page_number": 2,
        "text": "The table below shows an estimated range for the Approximate Cap for each Fund\u2019s upcoming Outcome"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 743,
          "x": 117,
          "y": 224
        },
        "id": "46efbc14-9511-43c0-8e66-7b0711d07900",
        "page_number": 2,
        "text": "Period as estimated by the Fund\u2019s investment adviser using information available as of the date of this"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 741,
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          "y": 240
        },
        "id": "bb025bdf-e213-4c46-966d-1090c7d8b4cb",
        "page_number": 2,
        "text": "supplement. The estimate is unaudited, subject to certain limitations and subject to change, and each"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 753,
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          "y": 255
        },
        "id": "6be93ba9-a6c7-4803-975f-781b61dde6d6",
        "page_number": 2,
        "text": "Fund is under no obligation to, and does not expect to, update the estimate. The final Approximate Cap"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 706,
          "x": 116,
          "y": 271
        },
        "id": "e2d83027-a8a7-424b-9ccd-877af0d9787b",
        "page_number": 2,
        "text": "for the upcoming Outcome Period, which may be more or less than the estimated ranges, will be"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 735,
          "x": 117,
          "y": 286
        },
        "id": "7668cc61-941f-495d-9313-2003aa3e4140",
        "page_number": 2,
        "text": "included in a supplement filing following the close of business on the last business day of the current"
      },
      {
        "block_type": "box",
        "box": {
          "height": 10,
          "width": 127,
          "x": 116,
          "y": 302
        },
        "id": "bc347125-439a-4418-99c7-b03d7ef82ac8",
        "page_number": 2,
        "text": "Outcome Period."
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 106,
          "x": 186,
          "y": 330
        },
        "id": "86dce896-793b-4d94-b612-f5f15e2bdab0",
        "page_number": 2,
        "text": "Fund (Ticker)"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 154,
          "x": 368,
          "y": 328
        },
        "id": "5c3ecffb-10d3-498b-8634-c2bb56349c72",
        "page_number": 2,
        "text": "Upcoming Outcome"
      },
      {
        "block_type": "box",
        "box": {
          "height": 10,
          "width": 52,
          "x": 419,
          "y": 340
        },
        "id": "aada4f58-d6d9-4ddf-a20c-d274452f98fd",
        "page_number": 2,
        "text": "Period"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 267,
          "x": 575,
          "y": 330
        },
        "id": "f89ce073-5700-4388-9977-33452fe7ba3e",
        "page_number": 2,
        "text": "Estimated Approximate Cap Range"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 223,
          "x": 127,
          "y": 368
        },
        "id": "f68e31dd-f91e-4005-b767-d3a8cc557b0b",
        "page_number": 2,
        "text": "iShares Large Cap 10% Target"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 164,
          "x": 165,
          "y": 383
        },
        "id": "04b66488-e153-4a22-9179-9d77c91c1ade",
        "page_number": 2,
        "text": "Buffer Sep ETF (STEN)"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 92,
          "x": 399,
          "y": 368
        },
        "id": "78862efb-5941-41fe-ac82-5cc8ec5352a9",
        "page_number": 2,
        "text": "Oct. 1, 2026"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 122,
          "x": 384,
          "y": 384
        },
        "id": "87332762-ee5c-4d87-b049-e74db7b0e391",
        "page_number": 2,
        "text": "to Sep. 30, 2027"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 332,
          "x": 543,
          "y": 364
        },
        "id": "5526207e-a760-4e56-9105-09ecc85af8cd",
        "page_number": 2,
        "text": "18.20% - 20.26% (gross of management fee)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 316,
          "x": 551,
          "y": 387
        },
        "id": "cfeda40b-b20f-478b-898b-7e626d874605",
        "page_number": 2,
        "text": "17.70% - 19.76% (net of management fee)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 217,
          "x": 130,
          "y": 414
        },
        "id": "12c4818d-9ee0-4fd4-901e-290d7fba216a",
        "page_number": 2,
        "text": "iShares Large Cap Max Buffer"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 124,
          "x": 185,
          "y": 430
        },
        "id": "11a292b7-9ee9-4a34-88e7-4e88ad2d2291",
        "page_number": 2,
        "text": "Sep ETF (SMAX)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 11,
          "width": 92,
          "x": 399,
          "y": 415
        },
        "id": "8e208ba4-7d02-43cc-b2fd-998ec025076d",
        "page_number": 2,
        "text": "Oct. 1, 2026"
      },
      {
        "block_type": "box",
        "box": {
          "height": 12,
          "width": 122,
          "x": 384,
          "y": 430
        },
        "id": "1a8233e0-a5f8-48b6-b097-8c7c900a7fc7",
        "page_number": 2,
        "text": "to Sep. 30, 2027"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 315,
          "x": 551,
          "y": 410
        },
        "id": "da2d71f0-320e-47ee-bf2e-464ed7b1b243",
        "page_number": 2,
        "text": "8.88% - 9.95% (gross of management fee)"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 299,
          "x": 559,
          "y": 433
        },
        "id": "9612598b-fcae-4430-9c6a-672d3b8db6ac",
        "page_number": 2,
        "text": "8.38% - 9.45% (net of management fee)"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 224,
          "x": 127,
          "y": 461
        },
        "id": "ed5fa39c-e887-4c0c-a788-701ba11e1053",
        "page_number": 2,
        "text": "iShares Large Cap Accelerated"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 168,
          "x": 163,
          "y": 476
        },
        "id": "7c7c5804-9980-48f5-a948-cee2a548fbc8",
        "page_number": 2,
        "text": "Outcome ETF (TWOX)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 11,
          "width": 92,
          "x": 399,
          "y": 461
        },
        "id": "25051be3-7e61-40ed-8dc7-98381ca70228",
        "page_number": 2,
        "text": "Oct. 1, 2026"
      },
      {
        "block_type": "box",
        "box": {
          "height": 11,
          "width": 124,
          "x": 383,
          "y": 477
        },
        "id": "63e1da58-55c8-48ff-b77b-2a9acc41d545",
        "page_number": 2,
        "text": "to Dec. 31, 2026"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 315,
          "x": 551,
          "y": 457
        },
        "id": "31ac4695-e05a-410c-b73f-6744f888b1be",
        "page_number": 2,
        "text": "6.25% - 8.17% (gross of management fee)"
      },
      {
        "block_type": "box",
        "box": {
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          "width": 299,
          "x": 559,
          "y": 480
        },
        "id": "288f4613-c312-43d9-bf08-bf4ef130d079",
        "page_number": 2,
        "text": "6.13% - 8.04% (net of management fee)"
      },
      {
        "block_type": "box",
        "box": {
          "height": 13,
          "width": 521,
          "x": 117,
          "y": 511
        },
        "id": "5a062a24-55e5-451c-adfb-11a21fcf9c6b",
        "page_number": 2,
        "text": "If you have any questions, please call 1-800-iShares (1-800-474-2737)."
      },
      {
        "block_type": "box",
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        "text": "facilitate investment in the Fund or certain Products. Such agreements can include payments by BFA"
      },
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        "id": "5d8dcf4c-3ede-4811-af3e-774286c495c8",
        "page_number": 4,
        "text": "Entities to such Intermediaries and third parties for data collection and provision, technology support,"
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        "id": "33965961-10eb-4938-b7d9-87e5e7b2f436",
        "page_number": 4,
        "text": "platform enhancement, or educational content, co-marketing and cross-promotional efforts. In certain"
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      {
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        "id": "33bf1d4a-6a44-474c-861b-f02f4f7a64ba",
        "page_number": 4,
        "text": "cases, such payments to Intermediaries are subject to certain minimum payment levels or tiered"
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        "id": "41d0e95c-1227-430a-bb19-5826cc3e0257",
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        "text": "payments. With respect to certain funds and Products, payments by the BFA Entities may take the form"
      },
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        "id": "5c592f83-b9d6-4482-b6f7-925ba6bdac7d",
        "page_number": 4,
        "text": "of, among other things, \u201cdue diligence\u201d payments for an Intermediary\u2019s review of such funds and"
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        "id": "14b86c4f-7508-49f2-83e2-85fb675d1781",
        "page_number": 4,
        "text": "Products; payment for providing employee training and information relating to such funds and Products;"
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        "id": "0a818a54-47be-46ae-b8a2-58cc6ce1b6e2",
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        "text": "fees for access (in some cases on a preferential basis) to an Intermediary\u2019s registered representatives,"
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        "id": "f335a758-e0c7-44ad-a337-04ffa0280e56",
        "page_number": 4,
        "text": "salespersons or other personnel, fees for maintaining an Intermediary\u2019s investor platform, \u201cshelf space\u201d"
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          "height": 13,
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        "id": "9654faa2-83c1-4027-bb4f-74aff54b128d",
        "page_number": 4,
        "text": "payments for making such funds and Products available on the Intermediary\u2019s platform or fees for"
      },
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        "id": "aac65c02-8aff-4854-88b7-4638a572fa08",
        "page_number": 4,
        "text": "providing assistance in promoting the sale of such funds and Products. In such cases, the payments to"
      },
      {
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        "id": "3ff16320-4d5f-478a-8aeb-131682ee50f2",
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        "text": "Intermediaries may be tiered or based on a percentage of the value of the funds and Products held by"
      },
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        "text": "customers of the applicable Intermediary and may also be subject to minimum payment levels. Payments"
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        "id": "3305cba6-e857-4381-b262-04471aacb8a9",
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        "text": "made pursuant to such arrangements may vary in any year and may be different for different"
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        "page_number": 4,
        "text": "Intermediaries and third parties and may reflect different services provided. As of the date of this SAI, the"
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