0001193125-12-409407 Sample Contracts

AGREEMENT AND PLAN OF MERGER by and among COLUMBIA BANKING SYSTEM, INC. WEST COAST BANCORP and SUB (as defined herein) Dated as of September 25, 2012

Agreement and Plan of Merger • October 1st, 2012 • West Coast Bancorp /New/Or/ • State commercial banks • Washington

• Contract Type
  Agreement and Plan of Merger
• Filed
  October 1st, 2012
• Company
  West Coast Bancorp /New/Or/
• Industry
  State commercial banks
• Jurisdiction
  Washington

THIS AGREEMENT AND PLAN OF MERGER, dated as of September 25, 2012 (this “Agreement”), is by and among Columbia Banking System, Inc., a Washington corporation (“Purchaser”), West Coast Bancorp, an Oregon corporation (“Company”), and, from and after its accession to this Agreement in accordance with Section 6.16, Sub, an Oregon corporation (as defined herein).