X0508 4 2026-03-04 0001025835 ENTERPRISE FINANCIAL SERVICES CORP EFSC 0002090945 Handley Kevin L 150 N MERAMEC ST LOUIS MO 63105 1 Chief Credit Officer 0 Common Stock 6180 D Non Qualified Stock Option (Right to Buy) 43.81 2024-02-06 2031-02-25 Common Stock 1612 1612 D Non Qualified Stock Option (Right to Buy) 48.34 2025-02-03 2032-02-24 Common Stock 1230 1230 D Non Qualified Stock Option (Right to Buy) 54.46 2026-02-10 2033-02-28 Common Stock 1684 1684 D Non Qualified Stock Option (Right to Buy) 39.50 2034-02-28 Common Stock 2576 2576 D Non Qualified Stock Option (Right to Buy) 57.17 2035-03-04 Common Stock 1791 1791 D Restricted Share Units Common Stock 492 492 D Restricted Share Units Common Stock 599 599 D Restricted Share Units Common Stock 380 380 D Restricted Share Units 2026-03-04 4 A 0 1140 0 A Common Stock 1140 1140 D This option becomes exercisable in the first quarter of 2027, subject to continued employment by the reporting person. The option becomes exercisable in the first quarter of 2028, subject to continued employment by the reporting person. The RSU's were granted pursuant to the Company's 2018 Stock Incentive Plan. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Grant Agreement. The RSU's vest 100% in the first quarter of 2027, subject to continued employment by the reporting person. The RSU's vest 100% in the first quarter of 2028, subject to continued employment by the reporting person. The RSU vest 100% April 14, 2026, subject to continued employment by the reporting person. The RSU's vest 100% in the first quarter of 2029, subject to continued employment by the reporting person. /s/ Kevin L Handley 2026-03-06