On October 19, 2021, the Board of Directors of Sarissa Capital Acquisition Corp. appointed Keith Horn as a director of the Company, effective October 20, 2021. The Board has determined that Mr. Horn meets the independence requirements of the Securities and Exchange Commission and the NASDAQ Stock Market Rules and that he qualifies as an audit committee financial expert. The Board also appointed Mr. Horn to the Audit Committee of the Board, effective October 20, 2021.