144 0001435648 XXXXXXXX LIVE 0000712537 FIRST COMMONWEALTH FINANCIAL CORP /PA/ 001-11138 601 PHILADELPHIA STREET INDIANA PA 15701 7243497220 Reske James R Officer Common Stock Charles Schwab

9825 Schwab Way Lone Tree CO 80124

15217 316970.00 101684455 08/05/2026 NYSE Common Stock 01/31/2018 Awards issued under the 2015- 2017 Long-Term Incentive Plan First Commonwealth Financial Corporation N 6216 01/31/2018 Equity Compensation Common Stock 02/27/2017 Awards issued under the 2014-2016 Long-Term Incentive Plan First Commonwealth Financial Corporation N 9001 02/27/2017 Equity Compensation N James R. Reske

601 Philadelphia Street Indiana PA 15701

First Commonwealth Financial Corporation 05/05/2026 2072 38366.68 James R. Reske

601 Philadelphia Street Indiana PA 15701

First Commonwealth Financial Corporation 06/05/2026 2072 39225.24 James R. Reske

601 Philadelphia Street Indiana PA 15701

First Commonwealth Financial Corporation 07/06/2026 2072 42484.51 Securities will be sold in reliance on a Rule 10-b5-1 Trading Plan entered into with the intent to sell shares over approximately a two-year period for the purpose of diversification. The sale of shares is subject to certain price limits over a time period commencing on 08/05/2026 and continuing through 3/5/2027. 07/23/2026 03/20/2025 /s/ Matthew C. Tomb POA for James R. Reske