Rule 2.9 Announcement

Oxford Biomedica plc announced on February 19, 2026, that as of February 18, 2026, its issued share capital comprised 120,873,439 ordinary shares of £0.50 each, with no shares held in treasury, in accordance with Rule 2.9 of the City Code on Takeovers and Mergers. This disclosure is relevant for potential takeover activity and requires persons interested in 1% or more of the company's securities to make specific disclosures under the Code.