On February 14, 2023, Didier Lamouche, a member of the Board of Directors of ACI Worldwide, Inc., notified the Company of his intention to retire from the Company's Board of Directors effective upon the expiration of his term at the 2023 Annual Meeting of Stockholders. That meeting is expected to be held on or about June 1, 2023. Mr. Lamouche serves as a member of the Compensation and Leadership Development Committee and the Nominating and Corporate Governance Committee of the Board of Directors.
Mr. Lamouche's planned retirement is not the result of any disagreement with the Company on any matter relating to its operations, policies or practices.

















