EX-99.6 15 ny20077915x1_ex99-6.htm EXHIBIT 99.6

Exhibit 99.6
Consent to be Named as a Director
In connection with the filing by Passage Bio, Inc. of the Registration Statement on Form S-4 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named in the Registration Statement and any and all amendments and supplements thereto as a member of the board of directors of Passage Bio, Inc. following the consummation of the merger with Remix Therapeutics, Inc., which will be renamed Remix Therapeutics, Inc. I also consent to the filing of this consent as an exhibit to such Registration Statement and any amendments thereto.
Dated: July 18, 2026

By: |  | /s/ Maria Koehler, M.D., Ph.D.
Name: |  | Maria Koehler, M.D., Ph.D.