Exhibit 99.1
JOINT FILING AGREEMENT
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock of Sera Prognostics, Inc.
This Agreement may be executed in any number of counterparts, each of which shall be deemed an original.
EXECUTED as of this 14th day of February 2025
| BAKER BROS. ADVISORS LP | ||
| By: | Baker Bros. Advisors (GP) LLC, its general partner | |
| By: | /s/ Scott L. Lessing | |
| Name: Scott L. Lessing | ||
| Title: President | ||
| BAKER BROS. ADVISORS (GP) LLC | ||
| By: | /s/ Scott L. Lessing | |
| Name: Scott L. Lessing | ||
| Title: President | ||
| JULIAN C. BAKER | |
| /s/ Julian C. Baker | |
| Julian C. Baker | |
| FELIX J. BAKER | |
| /s/ Felix J. Baker | |
| Felix J. Baker |
