Company: HCWB
Filing Date: 2025-02-11
Form Type: PRE 14A
Source: 0001193125-25-024372
Chunk: 2

Company: HCW Biologics Inc.
Filing Date: 2025-02-11
Form: PRE 14A
Chunk 2
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 Please use this opportunity to take part in our affairs by voting on the business to come before the Special Meeting. Our board of directors has fixed the close of business on [February 17, 2025], as the record date for the Special Meeting (the “Record Date”), and only stockholders of record as of the Record Date
may vote at the Special Meeting and any postponements or adjournments of the meeting. All stockholders are cordially invited to participate in the Special Meeting and any postponements or adjournments of the meeting. 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 of directors recommends a voteFOR Proposal One, Proposal Two, and Proposal Four. As four of the five members of
the board of directors are Noteholders, the board of directors will not make a recommendation for Proposal Three. For ten days prior to the 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 the board of directors, 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:     |     | [March 31], 2025 at 10:00 a.m., Eastern Time.                                                                                                                                                                                                                                                                |
| Place:             |     | The Special Meeting will be a virtual