Company: HCWB
Filing Date: 2025-02-21
Form Type: DEF 14A
Source: 0001193125-25-032115
Chunk: 10

Company: HCW Biologics Inc.
Filing Date: 2025-02-21
Form: DEF 14A
Chunk 10
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, the proxy holders will use their own judgment to determine how to vote your shares. If the Special Meeting is postponed or adjourned, the proxy holders can vote your 
 shares on the new meeting date as well, unless you have revoked your proxy instructions, as described below under “Can I change my vote or revoke my proxy?”                                                                                          |

| Q: | What should I do if I get more than one proxy card or voting instruction form? |

| A: | Stockholders may receive more than one set of voting materials, including multiple copies of the proxy                                                                                                                                                    
 materials, proxy cards or voting instruction forms. For example, stockholders who hold shares in more than one brokerage account may receive separate sets of proxy materials for each brokerage account in which shares are held. Stockholders of record 
 whose shares are registered in more than one name will receive more than one set of proxy materials. You should vote in accordance with all of the proxy cards and voting instruction forms you receive relating to our Special Meeting to ensure that    
 all of your shares are voted and counted.                                                                                                                                                                                                                 |

| Q: | Can I change my vote or revoke my proxy? |

| A: | You may change your vote or revoke your proxy at any time prior to the taking of the vote or the polls closing 
 at the Special Meeting.                                                                                        |

| If you are the stockholder of record, you may change your vote by: |

| • |     | granting a new proxy bearing a later date (which automatically revokes the earlier proxy) using any of the 
 methods described above (and until the applicable deadline for each method);                               |

| • |     | providing a written notice of revocation to HCW Biologics’ Secretary at HCW Biologics Inc., 
 2929 N. Commerce Parkway, Miramar, Florida 33025, prior to your shares being voted, or      |

| • |     | participating in the Special Meeting and voting electronically online at                                                                                                                                      
 www.virtualshareholdermeeting.com/HCWB2025SM. Participation alone at the Special Meeting will not cause your previously granted proxy to be revoked unless you specifically vote during the meeting online at 
 www.virtualshareholdermeeting.com/HCWB2025SM.                                                                                                                                                                 |

Please note, however, that if your shares are held of record by a broker, bank or other nominee and you wish to revoke a proxy, you must contact that firm to revoke any prior voting instructions.

| Q: | How can I participate in the virtual Special Meeting? |

|