Itaconix announces that it was notified on 4 October 2023 of the pending transfer of share certificates (“Shares”) held by John R. Shaw (CEO), Laura Denner (CFO) and Dr. Yvon Durant (CTO) to Fidelity Investments as the new registered holder. The transfers will allow these Shares to be held in their individual US brokerage accounts. There is no change to the beneficial ownership of the Shares.