Document

We consent to the incorporation by reference in Registration Statement Nos. 333-123263, 333-146794, 333-182584, 333-212948, 333-169293, 333-219608, and 333-239054 on Form S-8 of our reports dated March 1, 2023, relating to the financial statements of ACI Worldwide, Inc. and the effectiveness of ACI Worldwide, Inc.’s internal control over financial reporting appearing in this Annual Report on Form 10-K for the year ended December 31, 2022.