JOINT FILING AGREEMENT
Exhibit 99.1
The undersigned, MVIL, LLC is jointly filing the attached Schedule 13D with MORNINGSIDE VENTURE INVESTMENTS LIMITED with respect to the beneficial ownership of securities of Amylyx Pharmaceuticals, Inc.
| MVIL, LLC | ||
| By: | /s/ Xxxxx Xxx Wing Xxxxx | |
| Xxxxx Xxx Xxxx Xxxxx, Manager | ||
