REMINDER: Revelation Biosciences, Inc. Urges All Stockholders to Vote at the 2023 Annual Meeting of Stockholders

Revelation Biosciences Inc. (NASDAQ: REVB) (the "Company" or "Revelation"), a life sciences company that is focused on the development of immunologic based therapies for the prevention and treatment of disease, today reminded stockholders that the virtual Annual Meeting of Stockholders (the "Annual Meeting") is scheduled for Friday, July 7, 2023, at 1:00 p.m. Eastern Time and urges all stockholders to vote now.

YOUR VOTE IS IMPORTANT - NO MATTER HOW MANY SHARES YOU OWN, HOW FEW SHARES YOU OWN, OR IF YOU VOTE YOUR SHARES FOR, AGAINST OR ABSTAIN

For assistance with voting your shares, please contact Advantage Proxy, Inc. toll-free at
+1-877-870-8565, collect at +1-206-870-8565, or by e-mail to [email protected].

Important Information

This communication may be deemed to be solicitation material in connection with the proposals to be considered at the Annual Meeting. In connection with the proposals, the Company filed additional definitive proxy soliciting materials on Schedule 14A with the U.S. Securities and Exchange Commission (the "SEC") on June 15, 2023. Stockholders are urged to read the additional definitive proxy soliciting materials and all other relevant documents filed with the SEC because they contain important information about the proposals. An electronic copy of the additional definitive proxy soliciting materials is available on the Company's website at https://www.revbproxy.com/2023-annual-meeting and on the Company's EDGAR profile at www.sec.gov.

About Revelation Biosciences Inc.

Revelation Biosciences, Inc. is a life sciences company focused on the development of immunologic-based therapies for the prevention and treatment of disease. Revelation has multiple product candidates in development that are based on the well-established biology of phosphorylated hexaacyl disaccharide (PHAD) and its effect on the innate immune system. REVTx?300 is being developed as a potential therapy for the treatment of acute and chronic organ disease including CKD, AKI and myocarditis. REVTx?100 is being developed as a prevention and treatment of infection. REVTx?200 is being developed as an intranasal immunomodulator adjunct to be used in combination with an intramuscular vaccination for more complete immunity. REVTx?99b is being developed as a treatment for food allergies.

For more information on Revelation, please visit www.RevBiosciences.com.

Forward-Looking Statements

This press release contains forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995, as amended. Forward-looking statements are statements that are not historical facts. These forward-looking statements are generally identified by the words "anticipate", "believe", "expect", "estimate", "plan", "outlook", and "project" and other similar expressions. We caution investors that forward-looking statements are based on management's expectations and are only predictions or statements of current expectations and involve known and unknown risks, uncertainties and other factors that may cause actual results to be materially different from those anticipated by the forward-looking statements. Revelation cautions readers not to place undue reliance on any such forward looking statements, which speak only as of the date they were made. The following factors, among others, could cause actual results to differ materially from those described in these forward-looking statements: the ability of Revelation to meet its financial and strategic goals, due to, among other things, competition; the ability of Revelation to grow and manage growth profitability and retain its key employees; the possibility that the Revelation may be adversely affected by other economic, business, and/or competitive factors; risks relating to the successful development of Revelation's product candidates; the clinical utility of an increase in intranasal cytokine levels as a biomarker of viral infections; the ability to successfully complete planned clinical studies of its product candidates; the risk that we may not fully enroll our clinical studies or enrollment will take longer than expected; risks relating to the occurrence of adverse safety events and/or unexpected concerns that may arise from data or analysis from our clinical studies; changes in applicable laws or regulations; expected initiation of the clinical studies, the timing of clinical data; the outcome of the clinical data, including whether the results of such study is positive or whether it can be replicated; the outcome of data collected, including whether the results of such data and/or correlation can be replicated; the timing, costs, conduct and outcome of our other clinical studies; the anticipated treatment of future clinical data by the FDA, the EMA or other regulatory authorities, including whether such data will be sufficient for approval; the success of future development activities for its product candidates; potential indications for which product candidates may be developed; the potential impact that COVID-19 may have on Revelation's suppliers, vendors, regulatory agencies, employees and the global economy as a whole; the ability of Revelation to maintain the listing of its securities on NASDAQ; investor sentiment relating to SPAC related going public transactions; the expected duration over which Revelation's balances will fund its operations; and other risks and uncertainties described herein, as well as those risks and uncertainties discussed from time to time in other reports and other public filings with the SEC by Revelation.