| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chow Gregory K. | CFO | C/O SUTRO BIOPHARMA, INC., 111 OYSTER POINT BOULEVARD, SOUTH SAN FRANCISCO | /s/ David Pauling as attorney-in-fact for Gregory K. Chow | 02 Jun 2025 | 0001761333 |
No securities are beneficially owned.