Aptamer Group plc announces that Dr. Arron Tolley has left his position as Board Director, with immediate effect. He will leave his employment with the Group after a period of garden leave. As a consequence, the Chairman of the Board, Dr. Ian Gilham, will assume the role of interim Executive Chairman.

Ian Gilham is an experienced CEO and Chairman of life science companies. He is Chairman of AIM company Genedrive plc and was Chairman, including for an interim period, Executive Chairman, of Horizon Discovery, which was listed on AIM, until its acquisition by Perkin Elmer for £296 million. Prior to that, he was CEO of Main Market diagnostics company, Axis-Shield plc, which was acquired for £230 million by Alere Inc.