X0306 4 2022-12-01 0001025835 ENTERPRISE FINANCIAL SERVICES CORP EFSC 0001192274 SANBORN RICHARD 150 N. MERAMEC ST. LOUIS MO 63105 1 Common Stock 2022-12-01 4 S 0 24552 52.10 D 80552 D Common Stock 2022-12-01 4 S 0 15448 52.10 D 0 I Spouse Common Stock 8205 I Family Foundation Common Stock 272465 I Family Trust The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $52.20, inclusive. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Shares held by spouse. Shares are held by a family charitable foundation and the reporting person has no pecuniary interest in the shares. Shares held jointly in a family trust in which Mr. Sanborn is trustee. /s/ Richard Sanborn 2022-12-05