Officer Stock Acquisition

Matthew David Reckman, Chief Comm. Banking Officer at FIRST FINANCIAL BANCORP /OH/, acquired 7,636 shares of Common Stock on September 14, 2026. The acquisition was made at a price of $32.74 per share. Following this transaction, Reckman now owns 55,106 shares of Common Stock. The acquired shares are subject to a three-year cliff vesting schedule, as indicated by footnote F1.