X0303 4 2009-12-10 0 0000073020 NORTHWEST NATURAL GAS CO NWN 0001192779 KANTOR GREGG S 220 NW SECOND AVE PORTLAND OR 97209 1 1 0 0 President & CEO Common Stock 2009-12-10 4 P 0 200 44.228 A 200 I See Footnote Common Stock 2009-12-10 4 P 0 270 44.246 A 270 I See Footnote Common Stock 15457.135 D Common Stock 2871.1960 I See Footnote Common Stock 1152.136 I See Footnote Employee Stock Option to Buy 26.30 2012-03-05 Common Stock 2000 2000 D Employee Stock Option to Buy 31.34 2014-03-04 Common Stock 6000 6000 D Employee Stock Option to Buy 34.29 2016-02-29 Common Stock 3000 3000 D Employee Stock Option to Buy 44.48 2017-02-28 Common Stock 7000 7000 D Employee Stock Option to Buy 43.29 2018-03-06 Common Stock 8000 8000 D Employee Stock Option to Buy 41.15 2019-03-04 Common Stock 25000 25000 D Shares held in reporting person's parent's account, with respect to which the reporting person is Power of Attorney and a potential beneficiary. Held in reporting person's parent's IRA account, with respect to which the reporting person is Power of Attorney and a potential beneficiary. Mr. Kantor gifted 293 shares on November 30, 2009. These gifts of shares will be reported on a Form 5 for the year ending 2009. Held in reporting person's account under issuer's Retirement K Savings Plan as of November 30, 2009. Shares have been credited to reporting person's account under the issuer's Deferred Compensation Plan for Directors and Executives. Option was granted for 5,000 shares pursuant to Northwest Natural Gas Company's Restated Stock Option Plan (the "Plan"). The option vests in installments of 1,700 shares on each February 27, 2003 and January 1, 2004 and 1,600 shares on January 1, 2005. Option was granted for 6,000 shares pursuant to Northwest Natural Gas Company's Restated Stock Option Plan (the "Plan"). The option vests in installments of 2,000 shares on each February 25, 2005 and January 1, 2006 and 2007. Option was granted for 3,000 shares pursuant to Northwest Natural Gas Company's Restated Stock Option Plan (the "Plan"). The option vests in installments of 750 shares on each February 22, 2007 and January 1, 2008, 2009, and 2010. Option was granted for 7,000 shares pursuant to Northwest Natural Gas Company's Restated Stock Option Plan (the "Plan"). The option vests in installments of 1,750 shares on each February 21, 2008 and January 1, 2009, 2010, and 2011. Option was granted for 8,000 shares pursuant to Northwest Natural Gas Company's Restated Stock Option Plan (the "Plan"). The option vests in installments of 2,000 shares on each February 27, 2009 and January 1, 2010, 2011, and 2012. Option was granted for 25,000 shares pursuant to Northwest Natural Gas Company's Restated Stock Option Plan (the "Plan"). The option vests in installments of 6,250 shares on each February 25, 2010 and January 1, 2011, 2012, and 2013. MardiLyn Saathoff, Attorney-in-Fact 2009-12-14