First Business

October 31, 2002

First Business Bank Has Surpassed $400,000,000 in Total Assets

MADISON, October, 2002 - First Business Bank has surpassed $400,000,000 in total assets. This milestone now makes First Business Bank the largest Dane County headquartered bank. Corey Chambas, President of First Business Bank, recently commented this milestone is due to, "Our continued focus on the local business community and the commitment of our employees to provide the highest level of services has helped make First Business Bank the preferred provider of financial services to many local businesses." Corey also said, "Many thanks to all of our clients for allowing us the opportunity to help you meet your goals.

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
(608) 232-5910
Email