0001193125-07-075649 Sample Contracts

PLAN AND AGREEMENT OF MERGER AMONG COLUMBIA BANKING SYSTEM, INC. COLUMBIA STATE BANK AND MOUNTAIN BANK HOLDING COMPANY MT. RAINIER NATIONAL BANK Dated as of March 28, 2007

Plan and Agreement of Merger • April 5th, 2007 • Mountain Bank Holding Co • National commercial banks • Washington

• Contract Type
  Plan and Agreement of Merger
• Filed
  April 5th, 2007
• Company
  Mountain Bank Holding Co
• Industry
  National commercial banks
• Jurisdiction
  Washington

This Plan and Agreement of Merger (the “Agreement”), dated as of March 28, 2007, is made by and among COLUMBIA BANKING SYSTEM, INC. (“Columbia”), COLUMBIA STATE BANK (“CB”), MOUNTAIN BANK HOLDING COMPANY (“MBHC”) and MT. RAINIER NATIONAL BANK (the “Bank”).