First Business Financial Services: Recognized as one of the Top 200 Community Banks by U.S. Banker

MADISON, Wis., July 24, 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 (, 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 the parent of the
First Business family of companies, managing shareholder relations and
providing access to capital for our operating entities. Its companies
include: First Business Bank – Madison and First Business Bank –
Milwaukee (individually chartered banks, not branches); First Business
Trust & Investments; First Business Leasing, LLC; and First Business
Capital Corp. For additional information, visit or
call 608-238-8008.

This press release includes “forward-looking” statements related to
First Business Financial Services, Inc. (the “Company”) that can
generally be identified as describing the Company’s future plans,
objectives or goals. Such forward-looking statements are subject to
risks and uncertainties that could cause actual results or outcomes to
differ materially from those currently anticipated. These
forward-looking statements are made pursuant to the safe harbor
provisions of the Private Securities Litigation Reform Act of 1995. For
further information about the factors that could affect the Company’s
future results, please see the Company’s filings with the Securities
and Exchange Commission.