Company: HCWB
Filing Date: 2025-02-21
Form Type: DEF 14A
Source: 0001193125-25-032115
Chunk: 2

Company: HCW Biologics Inc.
Filing Date: 2025-02-21
Form: DEF 14A
Chunk 2
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 postponements or adjournments there of. Returning the paper proxy card or voting
electronically does NOT deprive you of your right to participate in the virtual meeting and to vote your shares for the matters acted upon at the meeting.

Our Board recommends a voteFOR Proposal One and Proposal Two. As four of the five members of our Board are Noteholders, our
Board will not make a recommendation for Proposal Three. For ten days prior to the Special Meeting, a complete list of stockholders entitled to vote at the meeting will be available for examination by any stockholder, for any purpose relating to the
meeting, during ordinary business hours at our principal offices located at 2929 N. Commerce Parkway, Miramar, Florida 33025.

Your vote is important. Whether or not you expect to attend and participate in the Special Meeting, please vote as soon as possible by submitting your proxy electronically via the internet or, if you requested paper copies of the proxy materials, by telephone by following the instructions in the proxy materials or by completing, signing and dating the proxy card and returning it in the enclosed postage paid envelope.

On behalf of our Board, thank you for your participation in this important process.

Sincerely,

Hing C. Wong, Ph.D.

Founder and Chief Executive Officer

2929 N. Commerce
Parkway

Miramar, Florida 33025

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE SPECIAL MEETING TO BE HELD ON March 31, 2025: THE PROXY STATEMENT AND PROXY CARD ARE AVAILABLE FREE OF CHARGE AT.

HCW BIOLOGICS INC. NOTICE OF SPECIAL MEETING OF STOCKHOLDERS To be held March 31, 2025

| Time and Date:     
 Place:             |     | March 31, 2025 at 10:00 a.m., Eastern Time.                                                                                                                                                                                                                                                      
 The Special Meeting will be a virtual meeting conducted exclusively online via live audio webcast on the internet at www.virtualshareholdermeeting.com/HCWB2025SM. By logging onto this website with the control number included                                                                 
 on your proxy card or voting instruction form at the designated time, stockholders and proxyholders of record as of the record date identified below may be deemed present in person and eligible to vote at the Special Meeting.                                                                |
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| Items of Business: |     | 1. To approve an amendment to the Company’s certificate of incorporation