X0206 3/A 2013-02-28 2013-03-06 0 0000073020 NORTHWEST NATURAL GAS CO NWN 0001571275 WILSON BRODY J 220 NW SECOND AVENUE PORTLAND OR 97209 0 1 0 0 PAO & Acting Controller Common Stock 732 D Common stock pursuant to restricted stock units (RSUs) that were granted on December 19, 2012 under Northwest Natural Gas Company's Long Term Incentive Plan. One-half of the RSUs shall vest on March 1, 2014; and each additional one-fourth of the RSUs shall vest on March 1, 2015, and March 1, 2016. Shawn M. Filippi, Attorney-in-Fact 2014-11-24