 PORTLAND, Ore.--BUSINESS WIRE--The Board of Directors of Northwest Natural Holding Company NYSE: NWN has increased the quarterly dividend to 48.25 cents per share on the Companys common stock. The dividend will be paid on November 15, 2021 to shareholders of record on October 29, 2021. The Companys indicated annual dividend rate increases from 1.92 to 1.93 per share. About NW Natural Holdings Northwest Natural Holding Company, NYSE: NWN NW Natural Holdings, is headquartered in Portl 