Power of Attorney for Lee E. Lyon II at First Commonwealth Financial Corp

Lee E. Lyon II, EVP and Chief Audit Executive of First Commonwealth Financial Corporation, has granted a Limited Power of Attorney to Matthew C. Tomb and James R. Reske. This authorization allows them to execute and file Forms 3, 4, and 5 on behalf of Lyon in accordance with Section 16(a) of the Securities Exchange Act of 1934. The Power of Attorney remains in effect until Lyon is no longer required to file these forms, unless revoked earlier. This document ensures compliance with SEC regulations regarding the reporting of securities transactions by officers and directors.