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Columbia & Umpqua Information

Columbia Banking System and Umpqua Holdings Corporation Combining to Create the West Coast's Leading Regional Bank

On October 12, 2021, Columbia Banking System, Inc., the parent company of Columbia State Bank, and Umpqua Holdings Corporation, the parent company of Umpqua Bank, announced that they have entered into a definitive agreement under which the companies will join together in an all-stock combination.


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