Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statement No. 333-15654l on Form S-8 of S&T Bancorp, Inc. of our report dated June 25, 2024, with respect to the statements of net assets available for benefits of the Thrift Plan for Employees of S&T Bank as of December 31, 2023 and 2022, the related statements of changes in net assets available for benefits for the years then ended, and the related supplemental schedule as of December 31, 2023, which report appears in the December 31, 2023 annual report on Form 11-K of the Thrift Plan for Employees of S&T Bank.
/s/ Schneider Downs & Co., Inc.
Pittsburgh, Pennsylvania
June 25, 2024
