First Business

July 26, 2006

First Business Financial Services, Inc. Recognized as One of The Top 200 Community Banks by U.S. Ban

MADISON, Wis., July 26, 2006 (PRIMEZONE) -- First Business Financial Services, Inc. (Nasdaq:FBIZ) announced today that U.S. Banker ranked First Business as 18th in the top 200 publicly traded community banks nationwide. Banks were ranked by the 3-year average return on equity (ROE) ending 2005. The list appears in U.S. Banker’s July 2006 issue.

About U.S. Banker U.S. Banker (www.us-banker.com), a monthly magazine published by SourceMedia, is the leading banking business management magazine, written for those individuals who are charged with generating greater profits and shareholder value for their financial institutions. Originally titled United States Investor when it was launched in 1891, U.S. Banker is the magazine that senior-level industry executives have turned to for the latest industry coverage for the past 112 years.

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:
Barbara Conley
Senior Vice President and Corporate Secretary
First Business Financial Services, Inc.
(608) 232-5902
Email