IMPORTANT NOTICE REGARDING CHANGE IN INVESTMENT POLICY
iShares®
iShares Trust
Supplement dated November 25, 2022 (the “Supplement”)
to the Summary Prospectus and Prospectus, each dated March 1, 2022, and the Statement of Additional Information (the “SAI”) dated March 1, 2022 (as revised October 25, 2022) for the iShares 0‑5 Year TIPS Bond ETF (STIP) and the iShares TIPS Bond ETF (TIP) (collectively, the “Funds” and each a “Fund”)
The information in this Supplement updates information in, and should be read in conjunction with, the Summary Prospectus, Prospectus and the SAI for each Fund.
The Board of Trustees has approved the following changes for each Fund that are expected to be implemented on or around January 31, 2023:
 
     
Fund Name
and Ticker1
 
Current
Underlying Index
 
New
Underlying Index
     
iShares 0‑5 Year TIPS Bond ETF (STIP)
  Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0‑5 Years Index (Series‑L)   ICE US Treasury 0‑5 Year Inflation Linked Bond Index
     
iShares TIPS Bond ETF (TIP)
  Bloomberg U.S. Treasury Inflation Protected Securities (TIPS) Index (Series‑L)   ICE US Treasury Inflation Linked Bond Index
Change to the “Investment Objective” for STIP
The section of the Summary Prospectus and Prospectus for STIP entitled “Investment Objective” is deleted in its entirety and replaced with the following:
The iShares 0‑5 Year TIPS Bond ETF (the “Fund”) seeks to track the investment results of an index composed of inflation-protected U.S. Treasury bonds with remaining maturities of less than or equal to five years.
 
1    For the purposes of this Supplement, each Fund will be referred to hereafter by its ticker symbol.

Change to the Funds’ “Principal Investment Strategies”
The first two paragraphs of the section of the Summary Prospectus and Prospectus for STIP entitled “Principal Investment Strategies” are deleted in their entirety and replaced with the following:
The Fund seeks to track the investment results of the ICE US Treasury 0‑5 Year Inflation Linked Bond Index (the “Underlying Index”), which tracks the performance of inflation-protected public obligations of the U.S. Treasury, commonly known as “TIPS,” that have a remaining maturity of less than or equal to five years. TIPS are securities issued by the U.S. Treasury that are designed to provide inflation protection to investors. TIPS are income-generating instruments whose interest and principal payments are adjusted for inflation — a sustained increase in prices that erodes the purchasing power of money. The inflation adjustment, which is typically applied monthly to the principal of the bond, follows a designated inflation index, the non‑seasonally adjusted Consumer Price Index for All Urban Consumers (“CPI”), and TIPS’ principal payments are adjusted according to changes in the CPI. A fixed coupon rate is applied to the inflation-adjusted principal so that, as inflation rises, both the principal value and the interest payments increase. This can provide investors with a hedge against inflation, as it helps preserve the purchasing power of an investment. Because of this inflation adjustment feature, inflation-protected bonds typically have lower yields than conventional fixed-rate bonds.
Qualifying securities must have less than or equal to five years remaining to final maturity as of the rebalancing date and at least $300 million of outstanding face value, excluding amounts held by the Federal Reserve System Open Market Account (“SOMA”). In addition, the securities in the Underlying Index must have a fixed coupon schedule and must be denominated in U.S. dollars. Excluded from the Underlying Index are government agency debt with or without a government guarantee, securities issued or marketed primarily to retail investors, bills, original issue zero coupon securities and Separate Trading of Registered Interest and Principal Securities (or “STRIPs”). However, the amounts outstanding of qualifying securities in the Underlying Index are not reduced by any portions of such securities that have been stripped after inclusion in the Underlying Index. Index constituents are market capitalization weighted based on amounts outstanding reduced by amounts held by the Federal Reserve SOMA. The Underlying Index is rebalanced on the last calendar day of each month.

The first two paragraphs of the section of the Summary Prospectus and Prospectus for TIP entitled “Principal Investment Strategies” are deleted in their entirety and replaced with the following:
The Fund seeks to track the investment results of the ICE US Treasury Inflation Linked Bond Index (the “Underlying Index”), which tracks the performance of inflation-protected public obligations of the U.S. Treasury, commonly known as “TIPS,” that have a remaining maturity of more than one year. TIPS are securities issued by the U.S. Treasury that are designed to provide inflation protection to investors. TIPS are income-generating instruments whose interest and principal payments are adjusted for inflation — a sustained increase in prices that erodes the purchasing power of money. The inflation adjustment, which is typically applied monthly to the principal of the bond, follows a designated inflation index, the Consumer Price Index (“CPI”), and TIPS’ principal payments are adjusted according to changes in the CPI. A fixed coupon rate is applied to the inflation-adjusted principal so that, as inflation rises, both the principal value and the interest payments increase. This can provide investors with a hedge against inflation, as it helps preserve the purchasing power of an investment. Because of this inflation adjustment feature, inflation-protected bonds typically have lower yields than conventional fixed-rate bonds.
Qualifying securities must have more than one year remaining to final maturity as of the rebalancing date and at least $300 million of outstanding face value, excluding amounts held by the Federal Reserve System Open Market Account (“SOMA”). In addition, the securities in the Underlying Index must have a fixed coupon schedule and must be denominated in U.S. dollars. Excluded from the Underlying Index are government agency debt with or without a government guarantee, securities issued or marketed primarily to retail investors, bills, original issue zero coupon securities and Separate Trading of Registered Interest and Principal Securities (or “STRIPs”). However, the amounts outstanding of qualifying securities in the Underlying Index are not reduced by any portions of such securities that have been stripped after inclusion in the Underlying Index. Index constituents are market capitalization weighted based on amounts outstanding reduced by amounts held by the Federal Reserve SOMA. The Underlying Index is rebalanced on the last calendar day of each month.

The last paragraph of the section of the Summary Prospectus and Prospectus for each Fund entitled “Principal Investment Strategies” is deleted in its entirety and replaced with the following:
The Underlying Index is owned, maintained and administered by ICE Data Indices, LLC (the “Index Provider” or “IDI”), which is independent of the Fund and BFA. The Index Provider determines the composition and relative weightings of the securities in the Underlying Index and publishes information regarding the market value of the Underlying Index.
Change to the Funds’ “Index Provider” and “Disclaimers”
The section of the Prospectus for each Fund entitled “Index Provider” is deleted in its entirety and replaced with the following:
The Underlying Index is owned, maintained and administered by IDI. IDI is not affiliated with the Trust, BFA, State Street, the Distributor or any of their respective affiliates.
BFA or its affiliates have entered into a license agreement with the Index Provider to use the Underlying Index. BFA, or its affiliates, sublicenses rights in the Underlying Index to the Trust at no charge.
The first three paragraphs of the section of the Prospectus for each Fund entitled “Disclaimers” are deleted in their entirety and replaced with the following:
Source ICE Data Indices, LLC is used with permission. ICE® is a trademark of IDI or its affiliates and has been licensed, along with the Underlying Index, for use by BlackRock, Inc. and its affiliates (“BlackRock”) in connection with the Fund. Neither BlackRock, Inc., the Trust nor the Fund, as applicable, is sponsored, endorsed, sold or promoted by IDI, its affiliates or its third party suppliers (“IDI and its Suppliers”). IDI and its Suppliers make no representations or warranties regarding the advisability of investing in securities generally, in the Fund particularly, the Trust or the ability of the Underlying Index to track general market performance. IDI’s only relationship to BlackRock is the licensing of certain trademarks and trade names and the Underlying Index or components thereof. The Underlying Index is determined, composed and calculated by IDI without regard to BlackRock or the Fund or its holders. IDI has no obligation to take the needs of BlackRock or the holders of the Fund into consideration in determining, composing or calculating the Underlying Index. IDI is not responsible for and has not participated in the determination of the timing of, prices of, or quantities of the Fund to be issued or in the determination or calculation of the equation by which the Fund is to be priced, sold,

purchased, or redeemed. Except for certain custom index calculation services, all information provided by IDI is general in nature and not tailored to the needs of BlackRock or any other person, entity or group of persons. IDI has no obligation or liability in connection with the administration, marketing, or trading of the Fund. IDI is not an investment adviser. Inclusion of a security within an index is not a recommendation by IDI to buy, sell, or hold such security, nor is it considered to be investment advice.
IDI AND ITS SUPPLIERS DISCLAIM ANY AND ALL WARRANTIES AND REPRESENTATIONS, EXPRESS AND/OR IMPLIED, INCLUDING ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR USE, INCLUDING THE UNDERLYING INDEX, INDEX DATA AND ANY INFORMATION INCLUDED IN, RELATED TO, OR DERIVED THEREFROM (“INDEX DATA”). IDI AND ITS SUPPLIERS SHALL NOT BE SUBJECT TO ANY DAMAGES OR LIABILITY WITH RESPECT TO THE ADEQUACY, ACCURACY, TIMELINESS OR COMPLETENESS OF THE UNDERLYING INDEX AND THE INDEX DATA, WHICH ARE PROVIDED ON AN “AS IS” BASIS AND YOUR USE IS AT YOUR OWN RISK.
Change to the Funds’ “Construction and Maintenance of the Underlying Indexes”
The sections of the SAI for the Funds entitled “Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0‑5 Years Index (Series‑L)” and “Bloomberg U.S. Treasury Inflation Protected Securities (TIPS) Index (Series‑L)” are deleted in their entirety.
The following is added to the section of the SAI for the Funds entitled “ICE Data Indices, LLC”:
ICE US Treasury 0‑5 Year Inflation Linked Bond Index
Number of Components: approximately 21
Index Description. The ICE US Treasury 0‑5 Year Inflation Linked Bond Index tracks the performance of inflation-protected public obligations of the U.S. Treasury, commonly known as “TIPS,” that have a remaining maturity of less than or equal to five years. TIPS are securities issued by the U.S. Treasury that are designed to provide inflation protection to investors.
Index Methodology. Qualifying securities must have less than or equal to five years remaining to final maturity as of the rebalancing date and at least $300 million of outstanding face value, excluding amounts held by the Federal Reserve System Open Market Account (“SOMA”). In addition, the securities in the Underlying Index must have a fixed

coupon schedule and must be denominated in U.S. dollars. Excluded from the Underlying Index are government agency debt with or without a government guarantee, securities issued or marketed primarily to retail investors, bills, original issue zero coupon securities and Separate Trading of Registered Interest and Principal Securities (or “STRIPs”). However, the amounts outstanding of qualifying securities in the Underlying Index are not reduced by any portions of such securities that have been stripped after inclusion in the Underlying Index. Index constituents are market capitalization weighted based on amounts outstanding reduced by amounts held by the Federal Reserve SOMA.
The Underlying Index is rebalanced on the last calendar day of the month. New issues must be auctioned on or before the calendar month end rebalancing date in order to qualify for the coming month. No changes are made to constituent holdings other than on month end rebalancing dates. Cash flows from bond payments and redemptions are retained in the Underlying Index until the end of the month and then are removed as part of the rebalancing.
ICE US Treasury Inflation Linked Bond Index
Number of Components: approximately 46
Index Description. The ICE US Treasury Inflation Linked Bond Index tracks the performance of inflation-protected public obligations of the U.S. Treasury, commonly known as “TIPS,” that have a remaining maturity of more than one year. TIPS are securities issued by the U.S. Treasury that are designed to provide inflation protection to investors.
Index Methodology. Qualifying securities must have more than one year remaining to final maturity as of the rebalancing date and at least $300 million of outstanding face value, excluding amounts held by the Federal Reserve System Open Market Account (“SOMA”). In addition, the securities in the Underlying Index must have a fixed coupon schedule and must be denominated in U.S. dollars. Excluded from the Underlying Index are government agency debt with or without a government guarantee, securities issued or marketed primarily to retail investors, bills, original issue zero coupon securities and Separate Trading of Registered Interest and Principal Securities (or “STRIPs”). However, the amounts outstanding of qualifying securities in the Underlying Index are not reduced by any portions of such securities that have been stripped after inclusion in the Underlying Index. Index constituents are market capitalization weighted based on amounts outstanding reduced by amounts held by the Federal Reserve SOMA.

The Underlying Index is rebalanced on the last calendar day of the month. New issues must be auctioned on or before the calendar month end rebalancing date in order to qualify for the coming month. No changes are made to constituent holdings other than on month end rebalancing dates. Cash flows from bond payments and redemptions are retained in the Underlying Index until the end of the month and then are removed as part of the rebalancing.
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‑SUPP‑STIP+TIP‑1122  
 
 
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FOR FUTURE REFERENCE