First Business Financial Services (FBIZ) Registration Filing summary

Company overview and business model

• Registered bank holding company incorporated in Wisconsin in 1986, operating through its wholly-owned subsidiary, First Business Bank (FBB), headquartered in Madison, WI.

• Focuses on commercial banking for small and medium-sized businesses, business owners, executives, professionals, and high net worth individuals.

• Offers business banking (including commercial real estate, industrial, asset-based, SBA lending), private wealth management, and bank consulting services.

• Operates without a traditional retail branch network, emphasizing deep client relationships and specialized financial expertise.

Financial performance and metrics

• As of December 31, 2025: total assets of $4.082 billion, gross loans and leases of $3.375 billion, total deposits of $3.380 billion, and stockholders' equity of $371.6 million.

• 9,493,274 shares of common stock issued and 8,325,376 shares outstanding as of December 31, 2025.

• 12,500 shares of 7.00% Fixed-to-Floating Non-Cumulative Perpetual Preferred Stock, Series A, issued and outstanding.

• Outstanding subordinated notes of approximately $54.8 million as of December 31, 2025.

Use of proceeds and capital allocation

• Net proceeds from securities sales will be used for general corporate purposes, including investments in subsidiaries, working capital, capital expenditures, stock repurchases, debt repayment, or acquisitions.

• Proceeds may be temporarily invested or deposited in a bank until used.