Company: REVB
Filing Date: 2025-04-04
Form Type: DRS
Source: 0001213900-25-029022
Chunk: 4

Company: REVELATION BIOSCIENCES, INC.
Filing Date: 2025-04-04
Form: DRS
Chunk 4
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 OFFENSE.

|                                            |     | Per Share    
 and related  
 Common Stock 
 Warrants(2)  |     | Per Pre-Funded 
 Warrant and    
 related        
 Common Stock   
 Warrants(2)    |     | Total |
|:-------------------------------------------|:----|:-------------|:----|:---------------|:----|:------|
| Public offering price(1)                   |     | $            |     | $              |     | $     |
| Placement Agent fees                       |     | $            |     | $              |     | $     |
| Proceeds to us before offering expenses(3) |     | $            |     | $              |     | $     |

____________ (1)The public offering price corresponds to (x)(i) a public offering price per share of $and (ii) a public offering price per Common Stock Warrants of $0.00005, and (y)(i) a public offering price per pre -fundedwarrant of $ and (ii) a public offering price per Common Stock Warrants of $0.00005. (2)Based on an assumed offering price of $per share of common stock and associated Common Stock Warrant, or in the case of pre -fundedwarrants, $ per pre -fundedwarrant to purchase one share of common stock and Common Stock Warrants. The final offering price per share and associated Common Stock Warrant or pre -fundedwarrant to purchase one share of common stock and Common Stock Warrants, as the case may be, will be determined by the Company, Placement Agent and the investors in this offering and may be a discount to the market price of the Company’s common stock. (3)We estimate the total expenses of this offering will be approximately $. We expect this offering to be completed within two business days following the commencement of this offering and we will deliver all securities to be issued in connection with this offering delivery versus payment upon receipt of investor funds received by us. Accordingly, there is no arrangement to receive or place investor funds in an escrow, trust or any similar account. We expect to deliver our shares, Common Stock Warrants and pre -fundedwarrants, if any, to purchasers in the offering on or about April _____, 2025. Roth Capital Partners Dated:, 2025

TABLE OF CONTENTS

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| MARKET AND INDUSTRY DATA                                                              |     |   ii |
| TRADE