X0306 4 2022-08-17 0 0001733998 Northwest Natural Holding Co NWN 0001538965 Weber David A. 250 SW TAYLOR ST PORTLAND OR 97204 0 1 0 1 VP, Gas Supply NW Natural Common Stock 2022-08-17 4 S 0 1436 53.215 D 171.243 D Common Stock 1900.595 I See Footnote Common Stock 15540.049 I See Footnote This transaction was executed in multiple trades on reported date with prices ranging from $53.09 to $53.38, resulting in a weighted average price of $53.215. Northwest Natural Holding Company (Issuer) will provide upon request by the Commission staff or a security holder of the Issuer full information regarding the number of shares sold at each separate price. Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives. Shares held in reporting person's account under Northwest Natural Gas Company's Retirement K Savings Plan as of August 15, 2022. Shawn M. Filippi, Attorney-in-Fact 2022-08-19