Enterprise Financial Services Corporation Depositary Shares Each Representing a 1/40th Interest in a Share of 5% Fixed Rate Non-Cumulative Perpetual Preferred Stock Series A

Enterprise Financial Services Corporation is the financial holding company for Enterprise Bank & Trust, providing banking and wealth management services to individuals and corporate customers across Arizona, California, Florida, Kansas, Missouri, Nevada, New Mexico, and other parts of the United States. It offers deposit products such as demand, money market, savings, and certificate of deposit accounts, along with a wide range of commercial, real estate, small business administration, consumer, and other loans. The company also provides treasury management, international trade services, tax credit lending and brokerage, fiduciary and investment management, and digital banking services. Founded in 1988, it is headquartered in Clayton, Missouri.