Attached files

file filename
10-K - 10-K - Northwest Natural Holding Conwn-20201231.htm
EX-32.2 - EX-32.2 - Northwest Natural Holding Coex322q42020_ceocfo.htm
EX-31.4 - EX-31.4 - Northwest Natural Holding Coex314q42020_cfo.htm
EX-31.3 - EX-31.3 - Northwest Natural Holding Coex313q42020_ceo.htm
EX-31.2 - EX-31.2 - Northwest Natural Holding Coex312q42020_cfo.htm
EX-31.1 - EX-31.1 - Northwest Natural Holding Coex311q42020_ceo.htm
EX-23.B - EX-23.B - Northwest Natural Holding Coex23b2020consentofpublicac.htm
EX-23.A - EX-23.A - Northwest Natural Holding Coex23a2020consentofpublicac.htm
EX-21 - EX-21 - Northwest Natural Holding Coex2112312020.htm
EX-10.Z - EX-10.Z - Northwest Natural Holding Coex10z2021rsugrantagreement.htm
EX-10.W - EX-10.W - Northwest Natural Holding Coex10w2021-2023pspgrantagre.htm
EX-10.O - EX-10.O - Northwest Natural Holding Coex10oexecutiveannualincent.htm
EX-10.LL - EX-10.LL - Northwest Natural Holding Coex10ll_2021nwngsaipplan.htm
EX-3.B - EX-3.B - Northwest Natural Holding Coexhibit3brestatedarticleso.htm

EXHIBIT 32.1

NORTHWEST NATURAL GAS COMPANY
Certificate Pursuant to Section 906
of Sarbanes – Oxley Act of 2002

Each of the undersigned, DAVID H. ANDERSON, Chief Executive Officer, and FRANK H. BURKHARTSMEYER, the Chief Financial Officer, of NORTHWEST NATURAL GAS COMPANY (the Company), DOES HEREBY CERTIFY that:

1.    The Company’s Annual Report on Form 10-K for the year ended December 31, 2020 (the Report) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.    Information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

IN WITNESS WHEREOF, each of the undersigned has caused this instrument to be executed this twenty-sixth day of February 2021.



/s/ David H. Anderson
David H. Anderson
President and Chief Executive Officer


/s/ Frank H. Burkhartsmeyer
Frank H. Burkhartsmeyer
Senior Vice President and Chief Financial Officer


A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to Northwest Natural Gas Company and will be retained by Northwest Natural Gas Company and furnished to the Securities and Exchange Commission or its staff upon request.