FIRST BUSINESS FINANCIAL SERVICES, INC.

First Business Financial Services, Inc. is a registered bank holding company, incorporated in 1986 in Wisconsin, engaged in commercial banking through its wholly-owned subsidiary, First Business Bank (FBB), headquartered in Madison, Wisconsin. All operations are conducted through FBB and its wholly-owned subsidiary, First Business Specialty Finance, LLC. The Bank operates as a business bank, providing commercial banking products and services for small and medium-sized businesses, business owners, executives, professionals, and high net worth individuals. The company's products and services focus on business banking, private wealth, and bank consulting. Business banking offerings include commercial real estate lending, commercial and industrial lending, asset-based lending, accounts receivable financing, equipment financing, floorplan financing, vendor financing, Small Business Administration (SBA) lending and servicing, treasury management solutions, and company retirement services. Private wealth management services encompass trust and estate administration, financial planning, investment management, and private banking. Bank consulting experts provide investment portfolio administrative services and asset liability management services. First Business Financial Services is not a retail bank and does not use a traditional branch network. Its operating model emphasizes client relationships, specialized financial expertise, and a centralized administrative structure. The company conducts its commercial banking operations through one operating segment. As of December 31, 2025, on a consolidated basis, the company had total assets of $4.082 billion, total gross loans and leases of $3.375 billion, total deposits of $3.380 billion, and total stockholders' equity of $371.6 million.