First Business

March 02, 2005

First Business Financial Services Promotes Chambas, First Business Bank Promotes Losenegger

MADISON, March 2, 2005 - First Business Financial Services and First Business Bank are pleased to announce the following promotions.

The First Business Financial Services, Inc. Board of Directors has elected Corey Chambas President and Chief Operating Officer of First Business Financial Services, Inc. Corey will continue to serve as Chief Executive Officer of First Business Bank of Madison.

The First Business Bank of Madison Board of Directors has elected Michael Losenegger President and Director of First Business Bank of Madison. He also functions as Chief Operating Officer of the bank, a position he will continue to hold.

Jerry Smith will continue in his role as Chief Executive Officer of First Business Financial Services, Inc.

About First Business Bank First Business Bank was established by business owners and investors in 1990 to specialize in quality business banking for the local business community. First Business Bank offers a full line of deposit and loan products for businesses and business owners, including cash management products, Internet banking, retirement plans, investment management services, trustee services, asset-based lending, and equipment leasing.

About First Business Financial Services, Inc.

First Business Financial Services (Nasdaq:FBIZ) is a $1.3 billion Wisconsin-based bank holding company that specializes in focused financial solutions for businesses, key executives, and high net worth individuals through its operating companies. It is the 2nd largest Wisconsin-based commercial bank holding company listed on NASDAQ or the NYSE. Its companies include: First Business Bank - Madison; First Business Bank - Milwaukee; First Business Bank - Northeast; First Business Trust & Investments; First Business Equipment Finance, LLC; and First Business Capital Corp. For additional information, visit www.firstbusiness.com or call (608) 238-8008.

The First Business Financial Services, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=2667

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.

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