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NW Natural Schedules Conference Call to Review Financial Results for Quarter Ending March 31, 2013

PORTLAND, OR--(Marketwired - Apr 9, 2013) - Northwest Natural Gas Company ( NYSE : NWN ), dba NW Natural, announced today that it will issue its first quarter earnings release on Thursday, May 2, 2013, for the three-month period ending March 31, 2013.

NW Natural will conduct a conference call and webcast starting at 8 a.m. Pacific Time (11 a.m. Eastern Time) on May 2nd, to review the company's financial and operating results for the quarter.

To hear the conference call live, please dial 1-888-317-6016 within the United States and 1-855-669-9657 from Canada. International callers can dial 1-412-317-6016. To access the conference replay, please call 1-877-344-7529 and enter the conference identification pass code (10027411). To hear the replay from international locations, please dial 1-412-317-0088.

To hear the conference by webcast, log on to NW Natural's corporate website at www.nwnatural.com.

About NW Natural
NW Natural is headquartered in Portland, Ore., and provides natural gas service to about 686,000 residential, commercial, and industrial customers through 14,000 miles of mains and service lines in western Oregon and southwestern Washington. It is the largest independent natural gas utility in the Pacific Northwest with approximately $2.8 billion in total assets. NW Natural and its subsidiaries currently own and operate underground gas storage facilities with storage capacity of 31 Bcf in Oregon and California. Additional information is available at www.nwnatural.com.