Columbia Banking System Named the Top Performing Large U.S. Bank in Bank Director's 2026 RankingBanking Study

Columbia Banking System Named the Top Performing Large U.S. Bank in Bank Director's 2026 RankingBanking Study

Ranks #1 among banks with at least $50B in assets

TACOMA, Wash., Oct. 15, 2026 /PRNewswire/ -- Columbia Banking System, Inc. (Nasdaq: COLB), the parent company of Columbia Bank, has been recognized as the No. 1 Top Performing Bank in the $50 billion and above category in Bank Director's 2026 RankingBanking study.

Bank Director's RankingBanking study evaluates the 300 largest publicly traded banks in the country on four measures:

• Return on average tangible common equity
• Return on average total assets
• Tangible common equity to tangible assets
• Nonperforming assets to loans and other real estate owned

The 2026 ranking was compiled by Piper Sandler & Co. from S&P Global Market Intelligence using 2025 results.

Columbia's top recognition follows two consecutive years finishing No. 2 in the RankingBanking study. In the latest study, Columbia also ranks No. 1 among large banks for asset quality and placed among the top three banks for profitability as measured by return on average assets (ROAA).

"Being recognized as the top performing large bank reflects the disciplined execution, financial strength and customer focus that define our organization," said Clint Stein, CEO of Columbia Banking System and Columbia Bank. "This recognition, along with our No. 1 ranking for asset quality, underscores the dedication of our team and the trust our customers place in us. While we're proud of this achievement, we're equally focused on continuing to invest in our capabilities and delivering long-term value for our shareholders, customers and communities across the western U.S."

The Bank Director recognition adds to a growing list of honors Columbia has received this year, including:

• Forbes: World's Top Performing Banks, America's Best Banks
• TIME: America's Best Companies
• Crisil Coalition Greenwich: Best Bank Awards for Middle Market Banking
• Global Finance: Best Bank for Small and Midsize Enterprises, Best Trade Finance Partner (West)

About Columbia Banking System
Columbia Banking System, Inc. (Nasdaq: COLB) is headquartered in Tacoma, Washington and is the parent company of Columbia Bank, an award-winning preeminent regional bank with offices in Arizona, California, Colorado, Idaho, Nevada, Oregon, Texas, Utah, and Washington. Columbia Bank combines the resources, sophistication, and expertise of a national bank with a commitment to deliver superior, personalized service. The bank supports consumers and businesses through a full suite of services, including retail and commercial banking, Small Business Administration lending, institutional and corporate banking, and equipment leasing. Columbia Bank customers also have access to comprehensive investment and wealth management expertise as well as healthcare and private banking through Columbia Wealth Management. Learn more at www.columbiabankingsystem.com.

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SOURCE Columbia Banking System, Inc.