David Hugo Anderson

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
5 Mar 25	NWN Northwest Natural Holding	Common Stock	Payment of exercise	Dispose F	No	No	42.1	5,870	247.13 k	127,470
5 Mar 25	NWN Northwest Natural Holding	Common Stock	Payment of exercise	Dispose F	No	No	42.1	5,038	212.10 k	133,340
3 Mar 25	NWN Northwest Natural Holding	Common Stock	Sell	Dispose S	No	Yes	42.0051	15,452	649.06 k	138,378
26 Feb 25	NWN Northwest Natural Holding	Common Stock	Grant	Acquire A	No	No	0	14,059	0.00	153,830
26 Feb 25	NWN Northwest Natural Holding	Common Stock	Grant	Acquire A	No	No	0	11,489	0.00	139,771
25 Feb 25	NWN Northwest Natural Holding	Common Stock	Sell	Dispose S	No	Yes	42.0001	1,451	60.94 k	128,282
24 Feb 25	NWN Northwest Natural Holding	Common Stock	Sell	Dispose S	No	Yes	42.0035	509	21.38 k	129,733
20 Feb 25	NWN Northwest Natural Holding	Common Stock	Sell	Dispose S	No	Yes	40.9711	7,500	307.28 k	130,242

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.