NWN - Northwest Natural Holding Company (NWN) Q2 2021 Earnings Call Transcript August, 05 2021 03:01 PM Northwest Natural Holding Company Image source: The Motley Fool. Northwest Natural Holding Company (NYSE: NWN) Q2 2021 Earnings Call Aug 5, 2021 , 11:00 a.m. ET Operator Continue reading For further details see: Northwest Natural Holding Company (NWN) Q2 2021 Earnings Call Transcript