SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 15, 2001 MCB FINANCIAL CORPORATION ------------------------- (Exact name of registrant as specified in its charter) CALIFORNIA 033-76832 68-0300300 ---------- --------- ---------- State of Incorporation Commission File No. IRS Employer ID Number 1248 FIFTH AVENUE, SAN RAFAEL, CALIFORNIA 94901 Address, including zip code, of registrant's principal executive office (415) 459-2265 -------------- Registrant's telephone number, including area code ------------------------------ Former name or former address, if changed since last report Item 5. Other Events On August 15, 2001, MCB Financial Corporation (the "Registrant") issued a press release announcing the signing of a definitive agreement under which the Registrant will merge with and into Business Bancorp with Business Bancorp as the surviving entity. The press release is attached hereto as Exhibit 99 and is incorporated herein by reference. Item 7. Financial Statements and Exhibits Exhibits - -------- 99. Press release dated August 15, 2001 re signing of definitive agreement between the Registrant and Business Bancorp. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: August 17, 2001 MCB Financial Corporation (Registrant) By: /s/CHARLES O. HALL ---------------------------------- Charles O. Hall, President and Chief Executive Officer 3