EX-99 2 attachment1.htm EX-99 DOCUMENT
                               JOINT FILING AGREEMENT

The undersigned, MVIL, LLC is jointly filing the attached Initial Statement of
Beneficial Ownership on Form 3 with MORNINGSIDE VENTURE INVESTMENTS LIMITED
with respect to the beneficial ownership of securities of Amylyx
Pharmaceuticals, Inc.

For and on behalf of

MVIL, LLC


By: /s/ Cheng Yee Wing Betty
    -------------------------
Cheng Yee Wing Betty, Manager