Columbia Banking System, Inc. Common Stock

Columbia Banking System, Inc. is a bank holding company, which engages in the provision of financial services. The company is headquartered in Tacoma, Washington and currently employs 6,005 full-time employees. The Bank supports consumers and businesses through a full suite of services, including retail and commercial banking, Small Business Administration (SBA) lending, institutional and corporate banking, and equipment leasing. The Bank’s customers also have access to comprehensive investment and wealth management expertise as well as healthcare and private banking through Columbia Wealth Management. The Bank offers specialized loans for corporate, middle market, and small business customers, including commercial lines of credit and term loans, accounts receivable and inventory financing, international trade finance, multifamily loans, equipment loans, commercial equipment leases, SBA program financing, and capital markets. The Bank operates at more than 350 locations across eight Western states: Washington, Oregon, California, Arizona, Colorado, Nevada, Utah and Idaho.