| Exhibit A Index Series of the Fund | |
| Fund | Effective Date |
| First Trust Dow Jones Select MicroCap IndexSM Fund (FDM) | September 24, 2005 |
| First Trust Morningstar® Dividend LeadersSM Index Fund (FDL) | March 15, 2006 |
| First Trust NASDAQ-100 Select Equal Weight ETF (QQEW) | April 25, 2006 |
| First Trust NASDAQ-100-Technology Sector IndexSM Fund (QTEC) | April 25, 2006 |
| First Trust US Equity Opportunities ETF (FPX) | April 13, 2006 |
| First Trust NYSE Arca Biotechnology Index Fund (FBT) | June 23, 2006 |
| First Trust Dow Jones Internet IndexSM Fund (FDN) | June 23, 2006 |
| First Trust Capital Strength ETF (FTCS) | July 11, 2006 |
| First Trust Value Line® Dividend Index Fund (FVD) | October 13, 2006 |
| First Trust NASDAQ-100 Ex-Technology Sector IndexSM Fund (QQXT) | February 14, 2007 |
| First Trust NASDAQ® Clean Edge® Green Energy Index Fund (QCLN) | February 14, 2007 |
| First Trust S&P REIT Index Fund (FRI) | May 4, 2007 |
| First Trust Natural Gas ETF (FCG) | May 7, 2007 |
| First Trust Water ETF (FIW) | May 7, 2007 |
| First Trust NASDAQ ABA Community Bank Index Fund (QABA) | June 1, 2009 |
| First Trust Dow 30 Equal Weight ETF (EDOW) | July 20, 2017 |
| First Trust Lunt U.S. Factor Rotation ETF (FCTR) | July 20, 2018 |
| FT Vest Gold Strategy Quarterly Buffer ETF (BGLD) | January 15, 2021 |
| FT Vest Gold Strategy Target Income ETF (IGLD) | February 24, 2021 |
| First Trust Growth Strength ETF (FTGS) | October 20, 2022 |
| First Trust Indxx Advanced Aerospace & Defense ETF (MISL) | October 20, 2022 |
| First Trust Bloomberg Inflation Sensitive Equity ETF (FTIF) | March 9, 2023 |
| First Trust S&P 500 Diversified Free Cash Flow ETF (FCFY) | August 22, 2023 |
| First Trust WCM Developing World Equity ETF (WCME) | October 2, 2024 |
| First Trust WCM International Equity ETF (WCMI) | October 2, 2024 |
| FT Vest Bitcoin Strategy & Target Income ETF (DFII) | March 26, 2025 |
| FT Vest Bitcoin Strategy Floor15 ETF – April (BFAP) | March 26, 2025 |
| FT Vest Bitcoin Strategy Floor15 ETF – July (BFJL) | June 18, 2025 |
| FT Vest Bitcoin Strategy Floor15 ETF - October (BFOC) | September 29, 2025 |
| FT Vest Laddered Autocallable Barrier & Income ETF (ACYN) | December 19, 2025 |
| FT Vest Bitcoin Strategy Floor15 ETF - January (BFJA) | December 24, 2025 |
| First Trust WCM Global Equity ETF (WCMG) | April 14, 2026 |
| FT Vest Laddered Autocallable Barrier & Resilient Income ETF (ACYS) | April 15, 2026 |
| FT Vest Laddered Autocallable Barrier & Review ETF (ACRW) | May 8, 2026 |
| FT Vest Laddered Autocallable Barrier & High Income ETF (ACYQ) | June 10, 2026 |