X0206 3 2022-01-10 0 0001810560 REVELATION BIOSCIENCES, INC. REVB 0001900657 Zygmont Chester Stanley III C/O REVELATION BIOSCIENCES, INC. 4660 LA JOLLA VILLAGE DR., SUITE 100 SAN DIEGO CA 92122 0 1 0 0 Chief Financial Officer Common Stock 463285 I By Trust Common Stock 218017 I By LLC Common Stock 2144 I By Spouse Restricted Stock Unit Common Stock 6853 D Restricted Stock Unit Common Stock 15588 D Shares are held by The Zygmont Family Trust Dated October 25, 2016, with respect to which Chester S Zygmont III is a trustee. Shares are held by Czeslaw Capital Fund, LLC. Chester S Zygmont III is the sole manager of Czeslaw Capital Fund, LLC. The Reporting Person disclaims beneficial ownership of shares held by the Reporting Person's spouse directly. These RSUs vest 25% on January 31, 2021, and thereafter quarterly over a three-year period. RSUs do not expire; they either vest or are canceled prior to vesting date. Each RSU converts into common stock on a one-for-one basis. These RSUs vest 25% on February 23, 2022, and thereafter monthly over a three-year period. Exhibit 24 - Power of Attorney. /s/ J.P. Galda, as attorney-in-fact for Chester S Zygmont, III 2022-01-20