Columbia Banking System reported its fourth quarter (Q4) 2025 results, posting net income of USD 215 million and operating net income of USD 243 million. Earnings per common share (diluted) for the quarter were USD 0.72, with operating earnings per common share (diluted) at USD 0.82. For the full year (FY) 2025, dividends per common share amounted to USD 1.45. Key performance ratios for the year included an efficiency ratio of 61.68 percent, a return on average assets of 0.97 percent, a return on average common equity of 8.98 percent, and a return on average tangible common equity of 12.51 percent. Non-interest expense to average assets for the year was 2.51 percent.

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