GlobeNewswire Inc | Dec 21, 2021 09:20AM EST

December 21, 2021

BRYAN, Texas, Dec. 21, 2021 (GLOBE NEWSWIRE) -- iBio, Inc. (NYSEA:IBIO) (iBio or the Company), a developer of next-generation biopharmaceuticals and pioneer of the sustainable, plant-basedFastPharmingManufacturing System, provides the following link to listen virtually to the 2021 Annual Shareholders meeting: www.virtualshareholdermeeting.com/IBIO2021. The meeting will be held at 9:00 AM EST on December 22, 2021.

iBio had partially adjourned the 2021 Annual Stockholder meeting related to Proposal 4 (Reverse Stock Split) and Proposal 5 (Change in Authorized Shares) to allow more shareholders to vote. Previously 64% and 67% of shareholders had voted in favor of these proposals, but more shareholder votes are needed to ratify the proposals.

If you have already voted your shares FOR Proposals 4 and 5, you do not need to vote again, and we thank you for your support. If you did not vote at all, abstained from voting for, or voted against with respect to the proposals, we kindly ask you to vote, or to reconsider your vote.

For additional informationon the Proposals,please see our Shareholder Vote FAQ.

About iBio, Inc.

iBio is a developer of next-generation biopharmaceuticals and a pioneer in sustainable, plant-based biologics manufacturing. ItsFastPharmingSystemcombines vertical farming, automated hydroponics, and novel glycosylation technologies to rapidly deliver high-quality monoclonal antibodies, antigens, and other proteins. iBio is developing proprietary biopharmaceuticals for the treatment of cancers, as well as fibrotic and infectious diseases. The Companys wholly-owned subsidiary, iBio CDMO LLC, provides FastPharming Contract Development and Manufacturing Services along with Glycaneering Development Services for advanced recombinant protein design. For more information, visitwww.ibioinc.com.

Contact:

Stephen KilmeriBio, Inc.Investor Relations(646) 274-3580skilmer@ibioinc.com