EX-23 2 ex23.htm EXHIBIT 23 - AUDIT CONSENT ex23.htm
 
Exhibit 23

 
 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
 
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-55002 and 333-139819) of Northwest Natural Gas Company of our report dated June 19, 2009 relating to the financial statements of Northwest Natural Gas Company Retirement K Savings Plan, which appears in this Form 11-K.
 
 
 
/s/ PricewaterhouseCoopers LLP
 
PricewaterhouseCoopers LLP
Portland, Oregon
June 19, 2009