Exhibit 3.1

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CERTIFICATE OF AMENDMENT

OF THE

CERTIFICATE OF INCORPORATION

OF

IBIO, INC.

(a Delaware corporation)

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The undersigned, Martin Brenner, hereby certifies that:

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“Effective at 12:01 a.m. Eastern Time, on the day immediately following the filing of this Certificate of Amendment to the Certificate of Incorporation with the Secretary of State of the State of Delaware (the “Effective Time”), the shares of the Corporation’s Common Stock, par value $0.001 per share, issued and outstanding immediately prior to the Effective Time and the shares of Common Stock issued and held in the treasury of the Corporation immediately prior to the Effective Time shall be reclassified as and combined into a smaller number of shares such that each twenty  (20) shares of issued and outstanding Common Stock immediately prior to the Effective Time are combined into one (1) validly issued, fully paid and nonassessable share of Common Stock, par value $0.001 per share (the “Reverse Stock Split”). Notwithstanding the immediately preceding sentence, no fractional shares shall be issued and, in lieu thereof, any person who would otherwise be entitled to a fractional share of Common Stock as a result of the reclassification and combination following the Effective Time (after taking into account all fractional shares of Common Stock otherwise issuable to such holder) shall be entitled to receive a cash payment equal to the number of shares of the Common Stock held by such stockholder before the Reverse Stock Split that would otherwise have been exchanged for such fractional share interest multiplied by the average closing sales price of the Common Stock as reported on the NYSE American for the ten trading days preceding the Effective Time.

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Each stock certificate that, immediately prior to the Effective Time, represented shares of Common Stock that were issued and outstanding immediately prior to the Effective Time shall, from and after the Effective Time, automatically and without the necessity of presenting the same for exchange, represent that number of whole shares of Common Stock after the Effective Time into which the shares of Common Stock formerly represented by such certificate shall have been reclassified and combined (as well as the right to receive cash in lieu of fractional shares of Common Stock after the Effective Time), provided however, that each person of record holding a certificate that represented shares of Common Stock that were issued and outstanding immediately prior to the Effective Time may receive, upon surrender of such certificate, a new certificate evidencing and representing the number of whole shares of Common Stock after the Effective Time into which the shares of Common Stock formerly represented by such certificate shall have been combined.”

IN WITNESS WHEREOF, the Corporation has caused this Certificate of Amendment to be executed by its duly authorized officer this 28th day of November, 2023.

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