On March 17, 2022, the Board of Directors (the “Board”) of Emergent BioSolutions Inc. (the “Company”) appointed Keith Katkin as a Class I director of the Company, effective as of April 1, 2022 (the “Effective Date”), with an initial term expiring at the 2022 annual meeting of stockholders. He was also appointed as a member of both the Nominating and Corporate Governance Committee and Strategic Operations Committee of the Board, as of the Effective Date.