July 22, 2005

First Business Financial Services Elects Mark D. Bugher to Board of Directors

MADISON, July 22, 2005 - First Business Financial Services, Inc., located at 401 Charmany Drive in Madison, announced today that Mark D. Bugher has been elected to its Board of Directors.

He is Director of University Research Park, where he manages and directs all activities for the Park, a 255 acre research development owned and operated by the University of Wisconsin-Madison.

As the Director, he is also responsible for the management of a separately organized real estate development corporation. "We are very excited to have Mark joining our board," stated Jerry Smith, CEO of First Business Financial Services. "In addition to Mark’s position with the University Research Park, he provides leadership for Madison Economic Development Commission, Greater Madison Chamber of Commerce, Wisconsin Technology Council and has been a strong voice promoting bio science growth in Wisconsin." Mark is a member of the Governor’s Blue Ribbon Commission on State-Local Partnership. He chairs the Wisconsin Technology Council, and the Marshfield Clinic Advisory Board. He also serves on the Greater Madison Chamber of Commerce Board, Wisconsin Taxpayers Alliance Board, and the Madison Economic Development Commission. Mark was appointed Secretary of the Department of Administration in 1996 by Gov. Tommy Thompson. Prior to that, he was Secretary of the Department of Revenue.
About First Business Financial Services, Inc.

First Business Financial Services, Inc. (Nasdaq:FBIZ) is a Wisconsin-based bank holding company, focused on the unique needs of businesses, business executives, and high net worth individuals. First Business offers commercial banking, specialty finance, and private wealth management solutions, and because of its niche focus, is able to provide its clients with unmatched expertise, accessibility, and responsiveness. For additional information, visit www.firstbusiness.com or call (608) 238-8008.

The First Business Financial Services, Inc. logo is available at http://www.firstbusiness.com/logo

Forward-Looking Statements
This press release contains forward-looking statements that reflect the Corporation's plans, estimates and beliefs. When used in this press release, the words "anticipate," "believe," "estimate," "expect," "objective" and similar expressions and verbs in the future tense are intended to identify forward-looking statements. The statements contained in this press release involve or may involve certain assumptions, risks, and uncertainties, many of which are beyond the Corporation's control, which could cause actual results to differ materially from those discussed in the forward-looking statements. The forward-looking statements included in this press release are only made as of the date hereof, and the Corporation undertakes no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances. In addition to the assumptions and other factors referenced specifically in connection with such statements, the factors described in "Item 1A. Risk Factors" in our Annual Report on Form 10-K and the following factors could impact the business and financial prospects of the Corporation: general economic conditions; legislative and regulatory initiatives; increased competition and other effects of deregulation and consolidation of the financial services industry; monetary and fiscal policies of the federal government; deposit flows; disintermediation; the cost and availability of funds; general market rates of interest; interest rates or investment returns on competing investments; demand for loan products; demand for financial services; changes in accounting policies or guidelines; general economic developments; acts of terrorism and developments in the war on terrorism; and changes in the quality or composition of loan and investment portfolios.

Jodie Johnson
Assistant Vice President ? Marketing
First Business Financial Services, Inc.
(608) 232-5910