First Business Financial Services: Announces Promotions

For additional information, please contact:
Jodie Johnson, Marketing & Communications Officer
608-232-5910 or jjohnson@fbfinancial.com

MADISON, February 24, 2006 – First Business Financial Services, Inc. (NASDAQ: FBIZ), the parent of the First Business family of companies, which includes First Business Bank – Madison, First Business Bank – Milwaukee, First Business Trust & Investments, First Business Leasing, LLC, and First Business Capital Corp., announced today that Lisa Kirsch Quakenbush has been promoted to Vice President, Finance and Jon Mueller has been promoted to Controller.

Lisa, a Certified Public Accountant, has over 13 years of experience working directly with financial institutions, including six years at First Business Financial Services. Prior to her position as Vice President, she held the positions of Controller and Chief Internal Audit Officer. She is a member of the Wisconsin Institute of Certified Public Accountants (WICPA) and a graduate of the University of Wisconsin – Whitewater where she earned her Bachelor’s degree in Accounting. Lisa is responsible for First Business’ public company financial reporting requirements and managing compliance with The Sarbanes Oxley Act of 2002. Lisa is involved in the community and has served as a past Treasurer for Big Brothers Big Sisters of Dane County.

Jon has over nine years of financial accounting experience. He previously held the position of Senior Financial Accountant and Officer for First Business Financial Services. Jon is a member of the Wisconsin Institute of Certified Public Accountants (WICPA), and holds a double major from the University of Wisconsin – Madison with a Bachelor of Arts degree in Accounting and in Finance.