144 0001484684 XXXXXXXX LIVE 0001605301 CB Financial Services, Inc. 001-36706 100 NORTH MARKET STREET CARMICHAELS PA 15320 724-966-5041 SWIATEK JOHN Director Common Stock Stifel Nicolaus & Company Inc

501 N Broadway St. Louis MO 63102

5000 145103.00 5121107 04/25/2025 NYSE Common Stock 12/16/2016 Stock Option Exercise Issuer N 1000 04/25/2025 Equity Compensation Common Stock 12/16/2017 Stock Option Exercise Issuer N 1000 04/25/2025 Equity Compensation Common Stock 12/16/2018 Stock Option Exercise Issuer N 1000 04/25/2025 Equity Compensation Common Stock 12/16/2019 Stock Option Exercise Issuer N 1000 04/25/2025 Equity Compensation Common Stock 12/16/2020 Stock Option Exercise Issuer N 1000 04/25/2025 Equity Compensation Y 04/25/2025 /s/ James Weimer, as a duly authorized representative of STIFEL, as attorney-in-fact for John Swiatek