Enterprise Financial shareholders elect 14 directors, approve all proposals at annual meeting

2. Ratification of the Appointment of Independent Registered Public Accounting Firm. The appointment of Deloitte & Touche LLP to serve as the Company's independent registered public accounting firm for fiscal year 2023 was ratified as follows: Votes For Votes Against Abstain 29,731,954 708,805 18,039

5. Approval of an Amendment to the Enterprise Financial Services Corp Stock Plan for Non-Management Directors to Increase the Number of Shares Available for Award . The proposal to approve this amendment was approved by the following votes: Votes For Votes Against Abstain Broker Non-Votes 26,590,582 265,780 119,695 3,482,741

3. Advisory (Non-Binding) Vote to Approve Executive Compensation . The proposal to approve, on an advisory basis, the compensation of the Company's named executive officers, as described in the Proxy Statement, was approved by the following votes: Votes For Votes Against Abstain Broker Non-Votes 21,467,959 5,313,751 194,347 3,482,741

1. Election of Directors: The fourteen nominees named in the Company’s proxy statement for the 2023 Annual Meeting (the “Proxy Statement”) were elected to serve a one-year term expiring in 2024 or until their successors are duly elected and qualified, based upon the following votes: Director Nominee Votes For Votes Withheld Broker Non-Votes Lyne B. Andrich 26,886,998 89,059 3,482,741 Michael A. DeCola 25,584,711 1,391,346 3,482,741 Robert E. Guest, Jr. 25,874,237 1,101,820 3,482,741 James M. Havel 26,703,759 272,298 3,482,741 Michael R. Holmes 26,645,231 330,826 3,482,741 Nevada A. Kent, IV 26,702,131 273,926 3,482,741 James B. Lally 26,398,629 577,428 3,482,741 Marcela Manjarrez 26,871,399 104,658 3,482,741 Stephen P. Marsh 26,693,992 282,065 3,482,741 Daniel A. Rodrigues 26,702,742 273,315 3,482,741 Richard M. Sanborn 26,400,332 575,725 3,482,741 Eloise E. Schmitz 26,663,837 312,220 3,482,741 Sandra A. Van Trease 25,841,208 1,134,849 3,482,741 Lina A. Young 26,888,802 87,255 3,482,74

4. Approval of an Amendment to the Enterprise Financial Services Corp Amended and Restated 2018 Stock Incentive Plan to Increase the Number of Shares Available for Award. The proposal to approve this amendment was approved by the following votes: Votes For Votes Against Abstain Broker Non-Votes 25,356,488 1,547,278 72,291 3,482,741