| 1. | The following is added after the Industry Concentration Policy at the end of the section entitled “Principal Investment Strategies” of the Summary Prospectus and Prospectus of the Fund: |
| 2. | The following is added to the section entitled “Summary of Principal Risks” in the Summary Prospectus and Prospectus of the Fund: |
| 3. | In the tables under the section entitled “Additional Information About the Funds’ Risks” in the Prospectus of the Fund, Non‑Diversification Risk is checked as a Principal Risk for the Fund. |
| 4. | In the section entitled “Diversification Status” of the SAI of the Fund: |
| a. | an asterisk (*) is added after the Fund’s name in the diversification status table and the name of the Fund is added in alphabetical order to the funds listed in the corresponding footnote. |
| b. | the last sentence of the first paragraph following the diversification status table is deleted in its entirety and replaced with the following: |
| • | However, while the iShares Core MSCI Emerging Markets ETF, iShares Emerging Markets Equity Factor ETF, iShares ESG Aware MSCI EM ETF, iShares MSCI BIC ETF and iShares MSCI Emerging Markets ETF are classified as “diversified,” under applicable no‑action relief from the SEC staff, the funds may become non‑diversified, as defined under the 1940 Act, solely as a result of a change in relative market capitalization or index weighting of one or more constituents of their Underlying Index, and such a change does not require shareholder approval. |