0001193125-25-094676 Sample Contracts

AGREEMENT AND PLAN OF MERGER by and among COLUMBIA BANKING SYSTEM, INC., PACIFIC PREMIER BANCORP, INC., and BALBOA MERGER SUB, INC. Dated as of April 23, 2025

Merger Agreement • April 25th, 2025 • Columbia Banking System, Inc. • State commercial banks • Delaware

• Contract Type
  Merger Agreement
• Filed
  April 25th, 2025
• Company
  Columbia Banking System, Inc.
• Industry
  State commercial banks
• Jurisdiction
  Delaware

THIS AGREEMENT AND PLAN OF MERGER, dated as of April 23, 2025 (this “Agreement”), is by and among Columbia Banking System, Inc., a Washington corporation (“Parent”), Pacific Premier Bancorp, Inc., a Delaware corporation (the “Company”), and Balboa Merger Sub, Inc., a Delaware corporation and a wholly owned Subsidiary of Parent (“Merger Sub”).