Power of Attorney for Daniel J Henning

Daniel J Henning, a director of CNB Financial Corp/PA, has executed a Power of Attorney appointing Jessica Zupich, Justin Maney, Charles Lichtenwalter, Irina Abbas, and Leyla Gungor as his attorneys-in-fact. This authorization allows them to act on his behalf in matters related to SEC filings, including the submission of Forms 3, 4, 5, and 144, and the management of his EDGAR account. The Power of Attorney remains in effect until Henning is no longer required to file these forms, he revokes it in writing, or an attorney-in-fact is no longer employed or representing the company. The document was executed on July 16, 2025.