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Zacks Company Profile for Revelation Biosciences, Inc. (REVB : NSDQ)

• Company Description    Revelation Biosciences Inc. is a clinical-stage life sciences company. It focused on the development of immunologic-based therapies for the prevention and treatment of disease. The company's product pipeline includes REVTx-99, REVTx-200 and REVDx-501. Revelation Biosciences Inc., formerly known as Petra Acquisition Inc., is based in NEW YORK. Number of Employees: 9

• Price / Volume Information    Yesterday's Closing Price: $3.60 Daily Weekly Monthly 20 Day Moving Average: 20,508 shares Shares Outstanding: 0.68 (millions) Market Capitalization: $2.46 (millions) Beta: -0.07 52 Week High: $40.60 52 Week Low: $3.09 Short Interest Ratio:   % Price Change % Price Change Relative to S&P 500 4 Week -44.94% -45.31% 12 Week -46.67% -49.70% Year To Date -83.92% -85.81%

• Address & Contact Information Street Address Phone / Fax Email Address Web URL 4660 LAJOLLA VILLAGE DRIVE SUITE 100 - SAN DIEGO,CA 92122 USA ph: 650-800-3717 fax: - mike@plrinvest.com http://www.revbiosciences.com

• General Corporate Information    Officers James Rolke - Chief Executive Officer and Chairman Chester S. Zygmont, III - Chief Financial Officer Jennifer Carver - Director Jess Roper - Director Lakhmir Chawla - Director Peer Information - (-) - (-) - (-) - (-) - (-) - (-) Industry / Sector / Ticker Info Analyst Coverage: No Industry Group: MED-BIOMED/GENE Sector: Medical CUSIP: 76135L887 SIC: 2834 Fiscal Year Fiscal Year End: December Last Reported Quarter: 06/01/26 Next Expected EPS Date: 11/05/26 Share - Related Items Shares Outstanding: 0.68 Most Recent Split Date: 10.00 (0.14:1) Beta: -0.07 Market Capitalization: $2.46 (millions)

• EPS Information     • Dividend Information Analyst Coverage: No Dividend Yield: 0.00% Current Fiscal Quarter EPS Consensus Estimate: $-5.98 Indicated Annual Dividend: $0.00 Current Fiscal Year EPS Consensus Estimate: $-36.28 Payout Ratio: Number of Estimates in the Fiscal Year Consensus: 2.00 Change In Payout Ratio: Estmated Long-Term EPS Growth Rate: % Last Dividend Paid: NA - $0.00 Next EPS Report Date: 11/05/26

• Fundamental Ratios P/E Current FY Estimate: - Trailing 12 Months: - PEG Ratio: - Price Ratios Price/Book: 0.20 Price/Cash Flow: - Price / Sales: - EPS Growth vs. Year Ago Period: 96.90% vs. Previous Quarter: 67.90% Sales Growth vs. Year Ago Period: -% vs. Previous Quarter: -% ROE 09/30/26 - - 06/30/26 - -100.19 03/31/26 - -107.65 ROA 09/30/26 - - 06/30/26 - -82.72 03/31/26 - -87.98 Current Ratio 09/30/26 - - 06/30/26 - 6.22 03/31/26 - 10.02 Quick Ratio 09/30/26 - - 06/30/26 - 6.22 03/31/26 - 10.03 Operating Margin 09/30/26 - - 06/30/26 - - 03/31/26 - - Net Margin 09/30/26 - - 06/30/26 - - 03/31/26 - - Pre-Tax Margin 09/30/26 - - 06/30/26 - - 03/31/26 - - Book Value 09/30/26 - - 06/30/26 - 18.02 03/31/26 - 24.43 Inventory Turnover 09/30/26 - - 06/30/26 - - 03/31/26 - - Debt-to-Equity 09/30/26 - - 06/30/26 - 0.00 03/31/26 - 0.00 Debt-to-Capital 09/30/26 - - 06/30/26 - 0.00 03/31/26 - 0.00

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