0000887343-20-000101.txt : 20200303 0000887343-20-000101.hdr.sgml : 20200303 20200303185736 ACCESSION NUMBER: 0000887343-20-000101 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200228 FILED AS OF DATE: 20200303 DATE AS OF CHANGE: 20200303 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Moore Devine David CENTRAL INDEX KEY: 0001798077 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 20684845 MAIL ADDRESS: STREET 1: 1301 A STREET CITY: TACOMA STATE: WA ZIP: 98402 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA BANKING SYSTEM, INC. CENTRAL INDEX KEY: 0000887343 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] IRS NUMBER: 911422237 STATE OF INCORPORATION: WA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1301 A STREET CITY: TACOMA STATE: WA ZIP: 98402 BUSINESS PHONE: 2533051900 MAIL ADDRESS: STREET 1: 1301 A STREET CITY: TACOMA STATE: WA ZIP: 98402 FORMER COMPANY: FORMER CONFORMED NAME: COLUMBIA BANKING SYSTEM INC DATE OF NAME CHANGE: 19930328 4 1 wf-form4_158327983919018.xml FORM 4 X0306 4 2020-02-28 0 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001798077 Moore Devine David 1301 A STREET STE 800 TACOMA WA 98402 0 1 0 0 EVP, Chief Mktg & Exp Officer Common 2020-02-28 4 F 0 149 33.20 D 5852 D /s/ Cathleen Dent, attorney-in-fact 2020-03-03 EX-24 2 powerofattorneyformdmoored.htm POA D MOORE DEVINE

POWER OF ATTORNEY / CONFORMING STATEMENT



    This Statement confirms that the undersigned, has authorized and designated Kumi Baruffi, Cathleen Dent and Gabrielle Pierce each with the full power to act alone, to execute and file on the undersigned's behalf, all Form's 3, 4 and 5 (including any amendments thereto) that the undersigned may be required to file with the U. S. Securities and Exchange Commission as a result of the undersigned's ownership of or transactions in securities of Columbia Banking System, Inc.  The authority of Kumi Baruffi, Cathleen Dent and Gabrielle Pierce under this Statement shall continue until the undersigned is no longer required to file Forms 3, 4 and 5 with regard to his/her ownership of or transactions in securities of Columbia Banking System, Inc., unless earlier revoked in writing.  The undersigned acknowledges that none of Columbia Banking System, Inc., Kumi Baruffi, Cathleen Dent or Gabrielle Pierce is assuming any of the undersigned's responsibilities to comply with Section 16 of the Securities and Exchange Act of 1934.

The Power of Attorney shall remain in full force and effect until the undersigned is no longer subject to the reporting requirements of the Securities Exchange Act of 1934 and the rules thereunder, unless earlier revoked by the undersigned in a signed writing delivered to the attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of December 18, 2019.

                        Signature: David Moore Devine

                        Name: David Moore Devine