1. | I have reviewed this report on FormN-CSR of iShares Trust for the following fifty-seven series: iShares0-5 Year High Yield Corporate Bond ETF, iShares0-5 Year Investment Grade Corporate Bond ETF, iShares0-5 Year TIPS Bond ETF, iShares1-3 Year International Treasury Bond ETF, iShares Aaa - A Rated Corporate Bond ETF, iShares Broad USD High Yield Corporate Bond ETF, iShares CMBS ETF, iShares Convertible Bond ETF, iShares Core1-5 Year USD Bond ETF, iShares Core International Aggregate Bond ETF, iShares Core Total USD Bond Market ETF, iShares Edge U.S. Fixed Income Balanced Risk ETF, iShares Fallen Angels USD Bond ETF, iShares Floating Rate Bond ETF, iShares Global Green Bond ETF, iShares GNMA Bond ETF, iShares iBonds 2021 Term High Yield and Income ETF, iShares iBonds 2022 Term High Yield and Income ETF, iShares iBonds 2023 Term High Yield and Income ETF, iShares iBonds 2024 Term High Yield and Income ETF, iShares iBonds 2025 Term High Yield and Income ETF, iShares iBonds Dec 2020 Term Corporate ETF, iShares iBonds Dec 2021 Term Corporate ETF, iShares iBonds Dec 2021 Term Muni Bond ETF, iShares iBonds Dec 2021 Term Treasury ETF, iShares iBonds Dec 2022 Term Corporate ETF, iShares iBonds Dec 2022 Term Muni Bond ETF, iShares iBonds Dec 2022 Term Treasury ETF, iShares iBonds Dec 2023 Term Corporate ETF, iShares iBonds Dec 2023 Term Muni Bond ETF, iShares iBonds Dec 2023 Term Treasury ETF, iShares iBonds Dec 2024 Term Corporate ETF, iShares iBonds Dec 2024 Term Muni Bond ETF, iShares iBonds Dec 2024 Term Treasury ETF, iShares iBonds Dec 2025 Term Corporate ETF, iShares iBonds Dec 2025 Term Muni Bond ETF, iShares iBonds Dec 2025 Term Treasury ETF, iShares iBonds Dec 2026 Term Corporate ETF, iShares iBonds Dec 2026 Term Muni Bond ETF, iShares iBonds Dec 2026 Term Treasury ETF, iShares iBonds Dec 2027 Term Corporate ETF, iShares iBonds Dec 2027 Term Muni Bond ETF, iShares iBonds Dec 2027 Term Treasury ETF, iShares iBonds Dec 2028 Term Corporate ETF, iShares iBonds Dec 2028 Term Muni Bond ETF, iShares iBonds Dec 2028 Term Treasury ETF, iShares iBonds Dec 2029 Term Corporate ETF, iShares iBonds Dec 2029 Term Treasury ETF, iShares iBonds Mar 2023 Term Corporate ETF, iShares iBonds Mar 2023 Term Corporateex-Financials ETF, iShares iBoxx $ High Yield ex Oil & Gas Corporate Bond ETF, iShares International Treasury Bond ETF, iShares J.P. Morgan USD Emerging Markets Bond ETF, iShares TIPS Bond ETF, iShares Treasury Floating Rate Bond ETF, iShares U.S. Treasury Bond ETF and iShares Yield Optimized Bond ETF; |