Exhibit 99.1 FIRST BUSINESS BANK ANNOUNCES FOURTH QUARTER 2025 FINANCIAL RESULTS AND 17% CASH DIVIDEND INCREASE -- Continued balance sheet growth and operating efficiency drive strong earnings and tangible book value expansion -- -- 17% increase in quarterly cash dividend announced, marking 14th consecutive annual increase -- MADISON, Wis., January 29, 2026 (BUSINESS WIRE) -- First Business Financial Services, Inc. (the "Company", the "Bank", or "First Business Bank") (Nasdaq: FBIZ) reported quarterly net i ...