PORTLAND, OR--(Marketwired - Oct 11, 2013) - The Board of Directors of Northwest Natural Gas Company (NYSE: NWN), dba NW Natural, has increased the quarterly dividend on the company's common stock to 46.0 cents per share from 45.5 cents a share.

The dividends will be paid Nov. 15, 2013 to shareholders of record on Oct. 31, 2013. The Company's indicated annual dividend rate is $1.84 per share.

About NW Natural
NW Natural (NYSE: NWN) is headquartered in Portland, Ore., and provides natural gas service to about 688,000 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 approximately 31 Bcf in Oregon and California. Additional information is available at www.nwnatural.com.