X0306 4 2020-06-17 0 0001714798 Prevail Therapeutics Inc. PRVL 0001298669 Adams Timothy M C/O PREVAIL THERAPEUTICS INC. 430 EAST 29TH STREET, SUITE 1520 NEW YORK NY 10016 1 0 0 0 Stock Option (Right to Buy) 16.98 2020-06-17 4 A 0 17000 0.00 A 2030-06-17 Common Stock 17000 17000 D This option was granted to the Reporting Person pursuant to the Issuer's non-employee director compensation policy. The shares underlying the option vest and become exercisable on the earlier of (i) June 17, 2021 and (ii) the date immediately prior to the Issuer's next annual meeting of stockholders following the grant date, in each case, subject to the Reporting Person's continued service as a director through such date. /s/ Alison Haggerty, Attorney-in-Fact 2020-06-19