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Columbia Banking System Completes Acquisition of Pacific Premier Bancorp and Unifies Columbia Brand

Columbia Banking System (COLB) | September 2, 2025

By Noah Edwards

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Columbia Banking System, Inc. completed the acquisition of Pacific Premier Bancorp, Inc.

The acquisition accelerates the company's expansion in Southern California, strengthening its market presence in multiple states.

The unified brand under Columbia Bank aims to deliver superior value to stakeholders and enhance long-term shareholder value.

Strategic Expansion

Acquisition accelerates company's strategic expansion in key western markets.

Market Leadership

Strengthens company's position as a leading financial institution in multiple states.

Asset Growth

Columbia's assets increased to approximately $70 billion post-acquisition.

Geographic Reach

Operates over 350 locations across eight western states, solidifying regional banking leadership.

Board Changes

Former Pacific Premier directors joined Columbia's Board, enhancing leadership team.

  • The acquisition of Pacific Premier significantly boosts Columbia's presence in Southern California.
  • Increased assets and geographic reach position Columbia as a regional banking leader.
  • The company's focus on seamless integration and brand clarity is expected to drive long-term shareholder value.

The completion of the acquisition marks a significant milestone for Columbia Banking System, reinforcing its commitment to growth and delivering value to stakeholders.