EX-23 3 cass-20241231x10xkexs23sta.htm EX-23 Document

Exhibit 23
Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (No. 333-44497, 333-44499, 033-91456, 033-91568, 333-143411, 333-181772, 333-188504, and 333-271333) on Form S-8 of our reports dated March 5, 2025, with respect to the consolidated financial statements of Cass Information Systems, Inc. and the effectiveness of internal control over financial reporting.

/s/ KPMG LLP
St. Louis, Missouri
March 5, 2025