Columbia Banking System Investor Relations Material

Columbia Banking System, Inc. operates as the bank holding company for Columbia State Bank that provides a range of banking services to small and medium-sized businesses, professionals, and individuals in the United States. The company operates through two segments, Consumer and Business Banking. It is involved in various activities, including providing depository and other banking services to individual consumers, small businesses, and individuals; making commercial term loans secured by liens on real estate or other businesses assets; and conducting credit card operations on behalf of certain customers. The company was formerly known as Columbia Trust Company.