X0306 4 2020-02-26 0001025835 ENTERPRISE FINANCIAL SERVICES CORP EFSC 0001601510 WHITE LOREN E 150 N. MERAMEC CLAYTON MO 63105 1 SVP, Human Resources Common Stock 6655 D Restricted Share Units 2020-02-26 4 A 0 364 A Common Stock 364 364 D Restricted Share Units Common Stock 277 277 D Restricted Share Units Common Stock 349 349 D 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 2023, subject to continued employment by the reporting person. The RSU's vest 100% in the first quarter of 2021, subject to continued employment by the reporting person. The RSU's vest 100% in the first quarter of 2022, subject to continued employment by the reporting person. /s/ Loren E. White 2020-02-28