Corporate Profile


Columbia Banking System, Inc.

Columbia Banking System, Inc. (Nasdaq: COLB) is headquartered in Tacoma, Washington and is the parent company of Umpqua Bank, an award-winning western U.S. regional bank based in Lake Oswego, Oregon. In March of 2023, Columbia and Umpqua combined two of the Pacific Northwest's premier financial institutions under the Umpqua Bank brand to create one of the largest banks headquartered in the West. With over $50 billion of assets, Umpqua Bank combines the resources, sophistication and expertise of a national bank with a commitment to deliver superior, personalized service. The bank operates in Arizona, California, Colorado, Idaho, Nevada, Oregon, Utah, and Washington and 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. Umpqua Bank customers also have access to comprehensive investment and wealth management expertise as well as healthcare and private banking through Columbia Wealth Advisors and Columbia Trust Company, a division of Umpqua Bank.

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Contact Information

Columbia Banking System, Inc.
1301 A Street, Suite 800
P.O. Box 2156
Tacoma, WA 98402-2156
(253) 305-1900

Investor Relations Contact
Jacquelynne "Jacque" Bohlen
(503) 727-4100
shareholders@umpquabank.com

Transfer Agent
Broadridge Corporate Issuer Solutions
P.O. Box 1342
Brentwood, NY 11717
(866) 232-0399
shareholder@broadridge.com