NORTHWEST NATURAL GAS CO - FORM 10-K - EX-32.1 - EXHIBIT 32.1 SOX CERTIFICATION - February 23, 2018

Attached files

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EX-10.Y - EXHIBIT 10.Y PERFORMANCE SHARE LONG TERM INCENTIVE AGREEMENT - NORTHWEST NATURAL GAS COex-10yx201710xk.htm
10-K - FORM 10-K - NORTHWEST NATURAL GAS COform10-k2017.htm
EX-31.2 - EXHIBIT 31.2 CFO CERTIFICATION - NORTHWEST NATURAL GAS COex-312x201710xk.htm
EX-31.1 - EXHIBIT 31.1 CEO CERTIFICATION - NORTHWEST NATURAL GAS COex-311x201710xk.htm
EX-23 - EXHIBIT 23 CONSENT OF AUDITORS - NORTHWEST NATURAL GAS COex-23x201710xk.htm
EX-21 - EXHIBIT 21 SUBSIDIARIES OF NW NATURAL GAS COMPANY - NORTHWEST NATURAL GAS COex-21x201710xk.htm
EX-12 - EXHIBIT 12 RATIO OF EARNINGS TO FIXED CHARGES - NORTHWEST NATURAL GAS COex-12x201710xk.htm
EX-10.SS - EXHIBIT 10.SS CASH RETENTION BONUS AGREEMENT - NORTHWEST NATURAL GAS COex-10ssx201710xk.htm
EX-10.RR - EXHIBIT 10.RR HIRE-ON BONUS AGREEMENT - NORTHWEST NATURAL GAS COex-10rrx201710xk.htm
EX-10.QQ - EXHIBIT 10.QQ SPECIAL RENTION RESTRICTED STOCK UNIT AWARD AGREEMENT - NORTHWEST NATURAL GAS COex-10qqx201710xk.htm
EX-10.BB - EXHIBIT 10.BB RESTRICTED STOCK UNIT AWARD AGREEMENT - NORTHWEST NATURAL GAS COex-10bbx201710xk.htm
EX-10.S - EXHIBIT 10.S LONG TERM INCENTIVE PLAN - NORTHWEST NATURAL GAS COex-10sx201710xk.htm
EX-10.P - EXHIBIT 10.P EXECUTIVE ANNUAL INCENTIVE PLAN - NORTHWEST NATURAL GAS COex-10px201710xk.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, Senior Vice President and 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, 2017 (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 23th day of February 2018.

/s/ David H. Anderson                                                      
David H. Anderson
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.


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