Company: HCWB
Filing Date: 2025-04-07
Form Type: S-1
Source: 0001193125-25-073723
Chunk: 122

Company: HCW Biologics Inc.
Filing Date: 2025-04-07
Form: S-1
Chunk 122
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 said attorneys-in-factand agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-factand agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement on Form S-1to be signed on its behalf by the undersigned, thereunto duly authorized.

| Signature            
 /s/ Scott T. Garrett 
 Scott T. Garrett     
 /s/ Rebecca Byam     
 Rebecca Byam         |     | Title                              
 Chairman of the Board of Directors 
 Chief Financial Officer            |     | Date          
 April 4, 2025 
 April 4, 2025 |
|:---------------------|:----|:-----------------------------------|:----|:--------------|
| /s/ Hing C. Wong     
 Hing C. Wong         |     | Chief Executive Officer            |     | April 4, 2025 |
| /s/ Rick S. Greene   
 Rick Green           |     | Director                           |     | April 4, 2025 |
| /s/ Lisa M. Giles    
 Lisa M. Giles        |     | Director                           |     | April 4, 2025 |
| /s/ Gary M. Winer    
 Gary M. Winer        |     | Director                           |     | April 4, 2025 |

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