X0306 4 2023-02-21 0001077771 UMPQUA HOLDINGS CORP UMPQ 0001490201 O'HAVER CORT L ONE SW COLUMBIA STREET, SUITE 1200 PORTLAND OR 97204 1 1 President & CEO Common Stock 2023-02-21 4 A 0 61135 0 A 558220 D Common Stock 2023-02-21 4 A 0 45851 0 A 604071 D Common Stock 2023-02-21 4 A 0 45851 0 A 649922 D Common Stock 2023-02-21 4 A 0 179623 0 A 827170 D Restricted stock unit award granted 2/21/23. The award vests 34% on February 15, 2024, and 33% on February 15, 2025, and 2026. Not required. Performance share award granted 2/21/23. The award vests in the first quarter of 2026 based on the issuer's relative total shareholder return from January 1, 2023 through December 31, 2025 compared to a Compensation Committee approved group of peers. Performance share award granted 2/21/23. The award vests in the first quarter of 2026 based on the issuer's relative return on tangible common equity for fiscal years 2023-2025 compared to a Compensation Committee approved group of peers. Stock unit award granted 2/21/23. The award vests following the closing of the proposed merger of the issuer with and into Columbia Banking System, Inc., with 34% vesting upon completion of the merger-related core system conversion and 33% on the first anniversary of such conversion and 33% on the second anniversary of such conversion. Since the date of the reporting person's last ownership report, he transferred 2,374 shares to his ex-wife pursuant to a Stipulated General Judgment of Dissolution of Marriage; and the ownership total reflects a correction of a one share typographical error (reducing amount owned by one share). /s/ Andrew H. Ognall, Attorney-in-Fact for Cort L. O'Haver 2023-02-22