Company: HCWB
Filing Date: 2025-02-21
Form Type: DEF 14A
Source: 0001193125-25-032115
Chunk: 101

Company: HCW Biologics Inc.
Filing Date: 2025-02-21
Form: DEF 14A
Chunk 101
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 in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717. TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: KEEP THIS PORTION FOR YOUR RECORDS THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. DETACH AND RETURN THIS PORTION ONLY The Board of Directors recommends you vote FOR Proposals 1 and 2. For Against Abstain For Against Abstain 1. To approve an amendment to the Company’s Certificate of Incorporation on or before the one-year anniversary of the Special Meeting to implement reverse stock splits of the outstanding shares of our Common Stock in a range from one-for-twenty(1:20) up to one-for-fifty(1:50), all as determined in the sole discretion of the Company’s Board of Directors. 2. To approve, for purposes of complying with Nasdaq Listing Rule 5635(d), the full issuance of shares of our Common Stock, or such lesser number of shares as the Board of Directors determines, pursuant to the Company’s Equity Line of Credit (as defined in the Proxy Statement (the “ELOC Proposal”)). The Board of Directors does not have a recommendation for voting on the following proposal: 3. To approve, for purposes of complying with Nasdaq Listing Rules 5635(c) and 5635(d), the issuance of shares of our Common Stock upon conversion of up to $6,905,000 of principal amount of Senior Secured Notes issued by the Company to certain investors therein, including certain officers, directors and stockholders of the Company, pursuant to the Principal Terms as defined in the Proxy Statement. NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name by authorized officer. Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date 0000660128_1 R1.0.0.2

Important Notice Regarding the Availability of Proxy Materials for the Special Meeting: The Special Proxy is available at www.proxyvote.com HCW BIOLOGICS INC. Special Meeting of Stockholders March 31,