Columbia Banking System 8-K 2007
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
March 29, 2007
COLUMBIA BANKING SYSTEM, INC.
(Exact name of registrant as specified in its charter)
(State or other jurisdiction of incorporation)
1301 A Street
Tacoma, WA 98402
(Address of principal executive offices) (Zip Code)
Registrants telephone number, including area code: (253) 305-1900
(Former name or former address, if changed since last report.)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:
On March 29, 2007, Columbia Banking System, Inc. (Columbia), held a conference call during which it provided information regarding Columbias proposed acquisition of Mountain Bank Holding Company (and a separate proposed acquisition of Town Center Bancorp). A transcript of the conference call is furnished as Exhibit 99.1 to this report and incorporated by reference.
As reported in Columbias report on Form 8-K filed March 29, 2007, Columbia and Mountain Bank Holding Company (MBHC) entered into a Plan and Agreement of Merger (the Merger Agreement) dated as of March 28, 2007, pursuant to which MBHC will merge with and into Columbia, and MBHCs bank subsidiary, Mt. Rainier National Bank, will merge with and into Columbias subsidiary, Columbia State Bank. A copy of the Merger Agreement is filed as Exhibit 2.1 to this report and incorporated by reference.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.