Exhibit 99.1 FOR IMMEDIATE RELEASE First Commonwealth Announces Second Quarter 2025 Earnings; Declares Quarterly Dividend Indiana, PA, July 29, 2025 - First Commonwealth Financial Corporation (NYSE: FCF) today announced financial results for the second quarter of 2025. Financial Summary | (dollars in thousands, | | | | For the Three Months Ended | | | | | For the Six Months Ended | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | except per share data) | | June 30, | | March 31, | | J ...