X0306 4 2019-06-24 0 0001714798 Prevail Therapeutics Inc. PRVL 0001365343 Nader Francois C/O PREVAIL THERAPEUTICS INC. 430 EAST 29TH STREET, SUITE 940 NEW YORK NY 10016 1 0 0 0 Common Stock 2019-06-24 4 C 0 23747 A 23747 I By LLC Series B Preferred Stock 2019-06-24 4 C 0 23747 D Common Stock 23747 0 I By LLC The Series B Preferred Stock automatically converted into the same number of shares of the Company's Common Stock upon the closing of the Issuer's initial public offering. The Series B Preferred Stock has no expiration date. These shares are held by Jesra Ventures LLC (the "LLC"). The Reporting Person is a manager and a member of the LLC and, as such, may be deemed to share voting and investment power with respect to the shares held by the LLC. The Reporting Person disclaims beneficial ownership of those shares owned by the LLC, except to the extent of his pecuniary interest therein. /s/ Alison Haggerty, Attorney-in-Fact 2019-06-25