| Exhibit Number | | | Exhibit Description | | | Filed with this report | | | Incorporated by Reference herein from—Form or Schedule | | | Filing Date/ Period Covered | | | SEC File/Reg. Number | | |
| 10.5 | | | Amendment No. 7 to Research, Development and Commercialization Agreement, dated October 13, 2016, between Vertex Pharmaceuticals Incorporated and Cystic Fibrosis Foundation Therapeutics Incorporated.† | | | | | | 10-Q (Exhibit 10.4) | | | November 3, 2021 | | | 000-19319 | | |
| 10.6 | | | Amended and Restated Joint Development and Commercialization Agreement, dated April 16, 2021, between Vertex Pharmaceuticals Incorporated, Vertex Pharmaceuticals (Europe) Limited and CRISPR Therapeutics AG, CRISPR Therapeutics Limited, CRISPR Therapeutics, Inc., TRACR Hematology Ltd.† | | | | | | 10-Q (Exhibit 10.1) | | | July 30, 2021 | | | 000-19319 | | |
| 10.7 | | | Amendment No. 1 to Amended and Restated Joint Development and Commercialization Agreement, dated December 23, 3023, between Vertex Pharmaceuticals Incorporated, Vertex Pharmaceuticals (Europe) Limited and CRISPR Therapeutics AG, CRISPR Therapeutics Limited, CRISPR Therapeutics, Inc., TRACR Hematology Ltd.† | | | X | | | | | | | | | | | |
| Leases | | | | | | | | | | | | | | | | | |
| 10.8 | | | Lease, dated May 5, 2011, between Fifty Northern Avenue LLC and Vertex Pharmaceuticals Incorporated.† | | | | | | 10-Q (Exhibit 10.2) | | | July 30, 2021 | | | 000-19319 | | |
| 10.9 | | | Lease, dated May 5, 2011, between Eleven Fan Pier Boulevard LLC and Vertex Pharmaceuticals Incorporated.† | | | | | | 10-Q (Exhibit 10.3) | | | July 30, 2021 | | | 000-19319 | | |
| Financing Agreements | | | | | | | | | | | | | | | | | |
| 10.10 | | | Credit Agreement, dated as of July 1, 2022, by and among Vertex Pharmaceuticals Incorporated, Bank of America, N.A. and the other lenders party thereto. | | | | | | 10-Q (Exhibit 10.1) | | | August 5, 2022 | | | 000-19319 | | |
| Equity Plans | | | | | | | | | | | | | | | | | |
| 10.11 | | | Amended and Restated 2006 Stock and Option Plan.* | | | | | | 10-Q (Exhibit 10.1) | | | October 25, 2018 | | | 000-19319 | | |
| 10.12 | | | Form of Stock Option Agreement under Amended and Restated 2006 Stock and Option Plan (granted on or after July 30, 2013).* | | | | | | 10-K (Exhibit 10.20) | | | February 13, 2015 | | | 000-19319 | | |
| 10.13 | | | Amended and Restated 2013 Stock and Option Plan.* | | | | | | DEF 14A (Appendix A) | | | April 7, 2022 | | | 000-19319 | | |
| 10.14 | | | Form of Non-Qualified Stock Option Agreement under 2013 Stock and Option Plan.* | | | | | | 10-K (Exhibit 10.17) | | | February 13, 2015 | | | 000-19319 | | |
| 10.15 | | | Form of Restricted Stock Unit Agreement under 2013 Stock and Option Plan (U.S.).* | | | | | | 10-K (Exhibit 10.25) | | | February 16, 2016 | | | 000-19319 | | |
| 10.16 | | | Form of Restricted Stock Unit Agreement under 2013 Stock and Option Plan (International).* | | | | | | 10-K (Exhibit 10.19) | | | February 13, 2015 | | | 000-19319 | | |
| 10.17 | | | Form of Restricted Stock Unit Agreement Under 2013 Stock and Option Plan.* | | | | | | 10-K (Exhibit 10.17) | | | February 13, 2020 | | | 000-19319 | | |
| 10.18 | | | Non-Employee Director Deferred Compensation Plan.* | | | | | | 10-K (Exhibit 10.27) | | | February 16, 2016 | | | 000-19319 | | |
| 10.19 | | | Vertex Pharmaceuticals Incorporated Employee Stock Purchase Plan.* | | | | | | DEF 14A (Appendix B) | | | April 26, 2019 | | | 000-19319 | | |
| Agreements with Executive Officers and Directors | | | | | | | | | | | | | | | | | |
| 10.20 | | | Employment Agreement, dated as of April 1, 2020, by and between Vertex Pharmaceuticals Incorporated and Jeffrey M. Leiden, M.D., Ph.D.* | | | | | | 8-K (Exhibit 10.1) | | | April 1, 2020 | | | 000-19319 | | |
| 10.21 | | | Amendment No. 1 to Employment Agreement, between Jeffrey M. Leiden and Vertex Pharmaceuticals Incorporated, dated as of February 7, 2022.* | | | | | | 10-K (Exhibit 10.24) | | | February 9, 2022 | | | 000-19319 | | |
| 10.22 | | | Amendment No. 2 to Employment Agreement, between Jeffrey M. Leiden and Vertex Pharmaceuticals Incorporated, dated as of February 8, 2023* | | | | | | 10-K (Exhibit 10.23) | | | February 10, 2023 | | | 000-19319 | | |
| 10.23 | | | Employee Non-disclosure, Non-competition and Inventions Agreement between Jeffrey M. Leiden and Vertex Pharmaceuticals Incorporated, dated December 14, 2011.* | | | | | | 10-K (Exhibit 10.35) | | | February 22, 2012 | | | 000-19319 | | |
| 10.24 | | | Employment Agreement, dated as of July 24, 2019, between Vertex Pharmaceuticals Incorporated and Reshma Kewalramani.* | | | | | | 8-K (Exhibit 10.1) | | | July 25, 2019 | | | 000-19319 | | |
| 10.25 | | | Change of Control Agreement, dated as of July 24, 2019, between Vertex Pharmaceuticals Incorporated and Reshma Kewalramani.* | | | | | | 8-K (Exhibit 10.2) | | | July 25, 2019 | | | 000-19319 | | |
| 10.26 | | | Employment Agreement, dated as of August 27, 2012, between Vertex Pharmaceuticals Incorporated and Stuart Arbuckle.* | | | | | | 10-Q (Exhibit 10.1) | | | November 6, 2012 | | | 000-19319 | | |
| 10.27 | | | Change of Control Agreement, dated as of August 27, 2012, between Vertex Pharmaceuticals Incorporated and Stuart Arbuckle.* | | | | | | 10-Q (Exhibit 10.2) | | | November 6, 2012 | | | 000-19319 | | |
| 10.28 | | | Employment Agreement, dated as of December 12, 2014, between Vertex Pharmaceuticals Incorporated and David Altshuler.* | | | | | | 10-K (Exhibit 10.34) | | | February 16, 2016 | | | 000-19319 | | |