| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gover Justin D. | Director | C/O DESIGN THERAPEUTICS, INC., 6005 HIDDEN VALLEY ROAD, SUITE 110, CARLSBAD | /s/ Mustapha Parekh, Attorney-in-Fact | 10 Sep 2025 | 0001754129 |
No securities are beneficially owned.