Item 5.02. Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; CompensatoryArrangements of Certain Officers.

On March 17, 2008, the Board of Directors of First Business Financial Services, Inc. (the "Company") approved an amendment (the "Amendment") to the Company's Annual Incentive Bonus Plan (the "Plan"). Prior to the Amendment, the Plan provided for two performance measures: (1) top line growth and (2) adjusted net income (previously described as cash flow growth). The Amendment added a third performance measure: return on equity. A copy of the Plan, as amended, is filed as Exhibit 99.1 and is incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(a) Not applicable.

(b) Not applicable.

(c) Not applicable

(d) Exhibits. The following exhibit is filed herewith:

(99.1) First Business Financial Services, Inc. Annual Incentive Bonus Plan, as amended.

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