Revelation Biosciences Inc. (NASDAQ: REVB) (the “Company” or “Revelation”), a clinical-stage life sciences company that is focused on the development of immunologic‑based therapies for the prevention and treatment of disease, today announced the closing on February 13, 2023 of its previously announced public offering of 2,888,600 shares of its common stock and 336,400 pre-funded warrants to purchase shares of common stock, together with warrants to purchase up to 6,450,000 shares of its common stock at an offering price to the public of $4.83 per share and associated warrant, or $4.8299 per pre-funded warrant and associated warrant. The warrants have an exercise price of $5.36 per share, are exercisable upon issuance, and will expire five years following the date of issuance.

Roth Capital Partners acted as sole placement agent for the offering.

The gross proceeds to the Company from the offering are approximately $15.6 million, before deducting the placement agent’s fees and other offering expenses payable by Revelation. The Company intends to use the net proceeds from this offering to further the development of REVTx-100 and REVTx-300 including the (i) manufacturing of clinical supply of our drug product, (ii) to conduct, a combined Phase 1a clinical study for REVTx-100 and REVTx-300, (iii) to conduct, a Phase 1b clinical study for REVTx-100 for the prevention of surgical site infection in colorectal surgery, (iv) to conduct, a Phase 1b clinical study for REVTx-300 for the prevention and treatment of AKI due to cardiac surgery, (v) necessary preclinical work for REVTx-100 and REVTx-300, (iv) continue to develop other products and therapies, and (v) fund working capital and general corporate purposes using any remaining amounts.

The securities described above were offered pursuant to a registration statement on Form S-1 (File No. 333-268576), as amended, that was declared effective by the U.S. Securities and Exchange Commission (“SEC”), on February 9, 2023, and an additional registration statement filed with the SEC on February 9, 2023 pursuant to Rule 462(b) under the Securities Act of 1933, as amended. The offering was made solely by means of a prospectus. Copies of the accompanying prospectus relating to and describing the terms of the offering may be obtained at the SEC’s website at www.sec.gov or by contacting Roth Capital Partners, LLC, 888 San Clemente Drive, Suite 400, Newport Beach, CA 92660 or by email at rothecm@roth.com.

This press release does not constitute an offer to sell or the solicitation of an offer to buy any of the securities described herein, nor shall there be any sale of these securities in any state or other jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.

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‑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‑300 is being developed as a potential therapy for the treatment of acute and chronic organ disease including CKD, AKI, myocarditis, and NASH. REVTx‑99b is being developed as a treatment for food allergies. REVDx‑501 is being developed as a rapid diagnostic that can be used to detect IP-10 as a surrogate biomarker for any type of respiratory infection, eliminating the need for specialized instrumentation.

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.

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