Exhibit A
Series of the Trust
| Series | Effective Date |
| First Trust Income Opportunities ETF (FCEF) | September 28, 2016 |
| First Trust Flexible Municipal High Income ETF (MFLX) | September 28, 2016 |
| First Trust TCW Opportunistic Fixed Income ETF (FIXD) | February 13, 2017 |
| First Trust TCW Unconstrained Plus Bond ETF (UCON) | May 29, 2018 |
| First Trust Low Duration Strategic Focus ETF (LDSF) | December 18, 2018 |
| FT Vest U.S. Equity Buffer ETF – August (FAUG) | November 1, 2019 |
| FT Vest U.S. Equity Deep Buffer ETF – August (DAUG) | November 1, 2019 |
| FT Vest U.S. Equity Buffer ETF – November (FNOV) | November 1, 2019 |
| FT Vest U.S. Equity Deep Buffer ETF – November (DNOV) | November 1, 2019 |
| First Trust Active Factor Large Cap ETF (AFLG) | November 24, 2019 |
| First Trust Active Factor Mid Cap ETF (AFMC) | November 24, 2019 |
| First Trust Active Factor Small Cap ETF (AFSM) | November 24, 2019 |
| FT Vest U.S. Equity Buffer ETF – February (FFEB) | February 5, 2020 |
| FT Vest U.S. Equity Deep Buffer ETF – February (DFEB) | February 5, 2020 |
| First Trust TCW Securitized Plus ETF (DEED) | April 6, 2020 |
| FT Vest U.S. Equity Buffer ETF – May (FMAY) | May 1, 2020 |
| FT Vest U.S. Equity Deep Buffer ETF – May (DMAY) | May 1, 2020 |
| First Trust Multi-Manager Large Growth ETF (MMLG) | May 15, 2020 |
| FT Vest U.S. Equity Buffer ETF – June (FJUN) | June 1, 2020 |
| FT Vest U.S. Equity Deep Buffer ETF – June (DJUN) | June 1, 2020 |
| FT Vest U.S. Equity Buffer ETF – July (FJUL) | July 1, 2020 |
| FT Vest U.S. Equity Deep Buffer ETF – July (DJUL) | July 1, 2020 |
| FT Vest Laddered Buffer ETF (BUFR) | August 10, 2020 |
| FT Vest U.S. Equity Buffer ETF – September (FSEP) | September 1, 2020 |
| FT Vest U.S. Equity Deep Buffer ETF – September (DSEP) | September 1, 2020 |
| FT Vest U.S. Equity Buffer ETF – October (FOCT) | October 5, 2020 |
| FT Vest U.S. Equity Deep Buffer ETF – October (DOCT) | October 5, 2020 |
| FT Vest U.S. Equity Buffer ETF – December (FDEC) | December 8, 2020 |
| FT Vest U.S. Equity Deep Buffer ETF – December (DDEC) | December 8, 2020 |
| FT Vest Nasdaq-100® Buffer ETF – December (QDEC) | December 9, 2020 |
| FT Vest International Equity Moderate Buffer ETF – December (YDEC) | December 9, 2020 |
| FT Vest U.S. Equity Buffer ETF – January (FJAN) | January 4, 2021 |
| FT Vest U.S. Equity Deep Buffer ETF – January (DJAN) | January 4, 2021 |
| FT Vest Laddered Deep Buffer ETF (BUFD) | January 15, 2021 |
| First Trust TCW Emerging Markets Debt ETF (EFIX) | February 12, 2021 |
| FT Vest U.S. Equity Buffer ETF – March (FMAR) | March 8, 2021 |
| FT Vest U.S. Equity Deep Buffer ETF – March (DMAR) | March 8, 2021 |
| FT Vest Nasdaq-100® Buffer ETF – December (QMAR) | March 8, 2021 |
| FT Vest International Equity Moderate Buffer ETF – March (YMAR) | March 8, 2021 |
| FT Vest U.S. Equity Buffer ETF – April (FAPR) | April 15, 2021 |
| FT Vest U.S. Equity Deep Buffer ETF – April (DAPR) | April 15, 2021 |
| First Trust Innovation Leaders ETF (ILDR) | May 24, 2021 |
| First Trust Expanded Technology ETF (XPND) | June 8, 2021 |
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| Series | Effective Date |
| FT Vest International Equity Moderate Buffer ETF – June (YJUN) | June 17, 2021 |
| FT Vest Nasdaq-100® Buffer ETF – June (QJUN) | June 17, 2021 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – June (XJUN) | June 28, 2021 |
| FT Vest Nasdaq-100® Buffer ETF – September (QSEP) | September 16, 2021 |
| FT Vest International Equity Moderate Buffer ETF – September (YSEP) | September 16, 2021 |
| First Trust SkyBridge Crypto Industry and Digital Economy ETF (CRPT) | September 16, 2021 |
| First Trust Multi-Manager Small Cap Opportunities ETF (MMSC) | October 8, 2021 |
| FT Vest Buffered Allocation Defensive ETF (BUFT) | October 25, 2021 |
| FT Vest Buffered Allocation Growth ETF (BUFG) | October 25, 2021 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – December (XDEC) | December 10, 2021 |
| FT Vest Laddered Nasdaq Buffer ETF (BUFQ) | June 14, 2022 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – September (XSEP) | September 20, 2022 |
| FT Vest U.S. Equity Moderate Buffer ETF – January (GJAN) | January 12, 2023 |
| First Trust Multi-Strategy Alternative ETF (LALT) | January 27, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – February (GFEB) | February 10, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – March (XMAR) | March 10, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – March (GMAR) | March 10, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – April (GAPR) | April 14, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – May (GMAY) | May 15, 2023 |
| FT Vest U.S. Small Cap Moderate Buffer ETF – May (SMAY) | May 15, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – June (GJUN) | June 9, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – July (GJUL) | June 9, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – August (GAUG) | June 9, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – July (XJUL) | July 12, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – August (XAUG) | July 12, 2023 |
| FT Vest U.S. Small Cap Moderate Buffer ETF – August (SAUG) | August 7, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – September (GSEP) | September 8, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – October (GOCT) | September 8, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – November (GNOV) | September 8, 2023 |
| FT Vest U.S. Equity Moderate Buffer ETF – December (GDEC) | September 8, 2023 |
| FT Vest U.S. Equity Buffer & Premium Income ETF – September (XISE) | September 9, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – October (XOCT) | October 12, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – November (XNOV) | October 12, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – January (XJAN) | October 12, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – February (XFEB) | October 12, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – April (XAPR) | October 12, 2023 |
| FT Vest U.S. Equity Enhance & Moderate Buffer ETF – May (XMAY) | October 12, 2023 |
| FT Vest Laddered Moderate Buffer ETF (BUFZ) | October 19, 2023 |
| FT Vest U.S. Small Cap Moderate Buffer ETF – November (SNOV) | November 6, 2023 |
| First Trust Active Global Quality Income ETF (AGQI) | November 17, 2023 |
| FT Vest U.S. Equity Buffer & Premium Income ETF – December (XIDE) | December 4, 2023 |
| FT Raymond James Multicap Growth Equity ETF (RJMG) | January 12, 2024 |
| FT Vest U.S. Small Cap Moderate Buffer ETF – February (SFEB) | February 5, 2024 |
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| Series | Effective Date |
| FT Vest U.S. Equity Buffer & Premium Income ETF – March (XIMR) | March 18, 2023 |
| FT Vest U.S. Equity Max Buffer ETF – March (MARM) | March 22, 2024 |
| FT Vest Nasdaq®-100 Conservative Buffer ETF – April (QCAP) | April 8, 2024 |
| FT Vest Nasdaq®-100 Conservative Buffer ETF – July (QCJL) | April 8, 2024 |
| FT Vest Nasdaq®-100 Conservative Buffer ETF – October* (QCOC) | April 8, 2024 |
| FT Vest Nasdaq®-100 Conservative Buffer ETF – January* (QCJA) | April 8, 2024 |
| FT Energy Income Partners Enhanced Income ETF (EIPI) | May 1, 2024 |
| FT Vest Nasdaq®-100 Moderate Buffer ETF – May (QMMY) | May 6, 2024 |
| FT Vest Nasdaq®-100 Moderate Buffer ETF – August (QMAG) | May 6, 2024 |
| FT Vest Nasdaq®-100 Moderate Buffer ETF – November* (QMNV) | May 6, 2024 |
| FT Vest Nasdaq®-100 Moderate Buffer ETF – February* (QMFE) | May 6, 2024 |
| FT Vest Laddered Small Cap Moderate Buffer ETF (BUFS) | May 21, 2024 |
| FT Vest U.S. Equity Buffer & Premium Income ETF – June (XIJN) | June 10, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – June (JUNM) | June 10, 2024 |
| FT Vest U.S. Equity Equal Weight Buffer ETF – June (RSJN) | June 14, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – July (JULM) | July 24, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – August (AUGM) | August 12, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – September (SEPM) | August 12, 2024 |
| FT Vest U.S. Equity Equal Weight Buffer ETF – September (RSSE) | September 6, 2024 |
| FT Vest U.S. Equity Equal Weight Buffer ETF – December* (RSDE) | September 6, 2024 |
| FT Vest U.S. Equity Equal Weight Buffer ETF – March* (RSMR) | September 6, 2024 |
| FT Vest U.S. Equity Equal Weight Buffer ETF – September (TSEP) | September 11, 2024 |
| FT Vest U.S. Equity Equal Weight Buffer ETF – December* (TDEC) | September 11, 2024 |
| FT Vest U.S. Equity Equal Weight Buffer ETF – March* (TMAR) | September 11, 2024 |
| FT Vest Laddered International Moderate Buffer ETF (BUFY) | September 23, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – October (OCTM) | October 8, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – November* (NOVM) | October 8, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – December* (DECM) | October 8, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – January* (JANM) | October 8, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – February* (FEBM) | October 8, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – April* (APRM) | October 8, 2024 |
| FT Vest U.S. Equity Max Buffer ETF – May* (MAYM) | October 8, 2024 |
| FT Vest U.S. Equity Quarterly 2.5 to 15 Buffer ETF (DHDG) | October 16, 2024 |
| FT Vest U.S. Equity Quarterly Dynamic Buffer ETF (FHDG) | November 8, 2024 |
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