Columbia Banking System to Acquire Pacific Premier Bancorp, Rebrand Umpqua Bank as Columbia Bank

Natural Combination of the Western Region's Leading Business Banks Builds Market Presence and Drives Financial Performance TACOMA, Wash. and IRVINE, Calif., April 23, 2025  -- Columbia Banking System, Inc. ("Columbia") (Nasdaq: COLB), the parent company of Umpqua Bank, and Pacific Premier Bancorp, Inc. ("Pacific Premier") (Nasdaq: PPBI), the parent company of Pacific Premier Bank, National […]