X0508 4 2025-07-23 1 0001382230 ESSA Bancorp, Inc. ESSA 0001392620 Henning Daniel J 200 PALMER STREET STROUDSBURG X1 18360 1 0 0 0 0 Common Stock 2025-07-23 4 D 0 64795 D 0 D Pursuant to the Agreement and Plan of Merger, dated as of January 9, 2025, between the Issuer and CNB Financial Corporation, each issued and outstanding share of Issuer common stock was converted into the right to receive 0.8547 shares of CNB Financial Corporation common stock (subject to the payment of cash in lieu of fractional shares). /s/ Marc P. Levy, pursuant to power of attorney 2025-07-24