First Business Financial Services Closing $25.3M Common Stock Offering

First Business Financial Services, Inc.

(the "Company"), the parent company for First Business Bank and First Business Bank - Milwaukee, announced today the closing of its previously announced public offering of 1,100,000 shares of common stock at $23.00 per share resulting in aggregate gross proceeds of $25.3 million. The shares sold do not include up to 165,000 shares which may be purchased by the underwriters within 30 days pursuant to their over-allotment option. The net proceeds of the offering after deducting underwriting discounts and commissions and estimated offering expenses were approximately $23.5 million. Stifel, Nicolaus & Company, Incorporated served as sole book-running manager and Raymond James & Associates, Inc. and FIG Partners, LLC served as co-managers for the offering.