Exhibit (h.28)

Exhibit A

iShares Trust

S&P 100®

S&P 500®

S&P 500 Growth Index^TM

S&P 500 Value Index^TM

S&P 900 Growth Index^TM

S&P 900 Value Index^TM

S&P AMT-Free Municipal Series 2019 Index^TM

S&P AMT-Free Municipal Series 2020 Index^TM

S&P AMT-Free Municipal Series Dec 2021 Index^TM

S&P AMT-Free Municipal Series Dec 2022 Index^TM

S&P AMT-Free Municipal Series Dec 2023 Index^TM

S&P AMT-Free Municipal Series Dec 2024 Index^TM

S&P Asia 50^TM

S&P California AMT-Free Municipal Bond Index^TM

S&P/Citigroup International Treasury Bond Index Ex-US 1-3 Year

S&P/Citigroup International Treasury Bond Index Ex-US

S&P Developed ex-U.S. Property Index^TM

S&P Emerging Markets Infrastructure Index^TM

S&P Europe 350^TM

S&P Global 100^TM

S&P Global 1200 Communication Services Sector Index^TM

S&P Global 1200 Consumer Discretionary Index^TM

S&P Global 1200 Consumer Staples Index^TM

S&P Global 1200 Energy Index^TM

S&P Global 1200 Financials Index^TM

S&P Global 1200 Health Care Index^TM

S&P Global 1200 Industrials Index^TM

S&P Global 1200 Information Technology Index^TM

S&P Global 1200 Materials Index^TM

S&P Global 1200 Utilities Index^TM

S&P Global Clean Energy Index^TM

S&P Global Infrastructure Index^TM

S&P Global Timber & Forestry Index^TM

S&P International Preferred Stock Index^TM

S&P Latin America 40^TM

S&P MidCap 400®

S&P MidCap 400 Growth Index^TM

S&P MidCap 400 Value Index^TM

S&P National AMT-Free Municipal Bond Index^TM

S&P New York AMT-Free Municipal Bond Index^TM

S&P North American Expanded Technology Sector Index^TM

S&P North American Expanded Technology Software Index^TM

S&P North American Natural Resources Sector Index^TM

S&P North American Technology Multimedia Networking Index^TM

S&P Short Term National AMT-Free Municipal Bond Index^TM

S&P SmallCap 600®

S&P SmallCap 600 Growth Index^TM

S&P SmallCap 600 Value Index^TM

S&P Target Risk Aggressive Index

S&P Target Risk Conservative Index

S&P Target Risk Growth Index

S&P Target Risk Moderate Index

S&P Total Market Index^TM