On February 17, 2020, Hugh G. C. Aldous, a member of the Board of Directors (the “Board”) of Innospec Inc. (the “Company”), informed the Company of his decision not to stand for re-election to the Board when his current term as a director expires at the Company’s 2020 Annual Meeting of Stockholders (“Annual Meeting”). Mr. Aldous is currently a member of the Audit Committee and is Chair of the Nominating and Corporate Governance Committee of the Board. Mr. Aldous will remain on the Board and a member of the Audit Committee and Chair the Nominating and Corporate Governance Committee until the Annual Meeting, which is scheduled to occur on May 6, 2020. This decision was not the result of any disagreement with the Company.