NORTHWEST NAT HLDG CO

Ticker: NWN CUSIP: 66765N105 Class: Common Stock

State of Alaska, Department of Revenue's Holding History (CIK: 0001370102)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 22,349 Value ($000) $1 Avg Close $46.64 Range $43.64 - $49.63

Q3 2025

Shares 21,818 Value ($000) $1 Avg Close $41.49 Range $39.29 - $45.05

Q2 2025

Shares 24,006 Value ($000) $1 Avg Close $41.46 Range $38.94 - $44.38

Q1 2025

Shares 22,237 Value ($000) $1 Avg Close $40.77 Range $38.03 - $43.24

Q4 2024

Shares 22,808 Value ($000) $1 Avg Close $40.79 Range $38.03 - $44.25

Q3 2024

Shares 22,067 Value ($000) $1 Avg Close $39.06 Range $35.10 - $41.20

Q2 2024

Shares 22,327 Value ($000) $1 Avg Close $36.97 Range $34.82 - $39.20

Q1 2024

Shares 22,405 Value ($000) $1 Avg Close $37.39 Range $34.95 - $40.28

Q4 2023

Shares 22,625 Value ($000) $1 Avg Close $38.01 Range $35.72 - $40.66

Q3 2023

Shares 22,455 Value ($000) $1 Avg Close $41.10 Range $37.79 - $44.90

Q2 2023

Shares 23,665 Value ($000) $1 Avg Close $45.19 Range $41.75 - $49.09

Q1 2023

Shares 24,035 Value ($000) $1 Avg Close $48.34 Range $44.74 - $52.39

Q4 2022

Shares 24,440 Value ($000) $1 Avg Close $46.89 Range $42.37 - $50.64

Q3 2022

Shares 24,101 Value ($000) $1,045 Avg Close $50.70 Range $43.29 - $54.72

Q2 2022

Shares 25,912 Value ($000) $1,375 Avg Close $51.60 Range $46.91 - $55.97

Q1 2022

Shares 21,372 Value ($000) $1,105 Avg Close $50.16 Range $45.81 - $57.63

Q4 2021

Shares 21,762 Value ($000) $1,061 Avg Close $46.53 Range $43.07 - $49.10

Q3 2021

Shares 22,377 Value ($000) $1,029 Avg Close $51.11 Range $45.09 - $54.48

Q2 2021

Shares 21,215 Value ($000) $1,114 Avg Close $54.08 Range $51.37 - $56.75

Q1 2021

Shares 20,715 Value ($000) $1,117 Avg Close $47.98 Range $41.71 - $54.27

Q4 2020

Shares 23,795 Value ($000) $1,094 Avg Close $47.35 Range $42.33 - $52.30

Q3 2020

Shares 28,587 Value ($000) $1,297 Avg Close $51.04 Range $43.34 - $56.58

Q2 2020

Shares 28,797 Value ($000) $1,606 Avg Close $61.09 Range $52.39 - $67.24

Q1 2020

Shares 28,237 Value ($000) $1,743 Avg Close $69.90 Range $50.50 - $77.26

Q4 2019

Shares 22,982 Value ($000) $1,694 Avg Close $69.05 Range $62.87 - $74.13

Q3 2019

Shares 23,389 Value ($000) $1,668 Avg Close $70.88 Range $68.42 - $73.50

Q2 2019

Shares 10,356 Value ($000) $719 Avg Close $67.64 Range $63.48 - $70.22

Q1 2019

Shares 9,740 Value ($000) $639 Avg Close $62.69 Range $57.20 - $66.97

Q4 2018

Shares 9,645 Value ($000) $583 Avg Close $66.85 Range $57.94 - $71.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22,349	$1	$46.64	$43.64 - $49.63
Q3 2025	21,818	$1	$41.49	$39.29 - $45.05
Q2 2025	24,006	$1	$41.46	$38.94 - $44.38
Q1 2025	22,237	$1	$40.77	$38.03 - $43.24
Q4 2024	22,808	$1	$40.79	$38.03 - $44.25
Q3 2024	22,067	$1	$39.06	$35.10 - $41.20
Q2 2024	22,327	$1	$36.97	$34.82 - $39.20
Q1 2024	22,405	$1	$37.39	$34.95 - $40.28
Q4 2023	22,625	$1	$38.01	$35.72 - $40.66
Q3 2023	22,455	$1	$41.10	$37.79 - $44.90
Q2 2023	23,665	$1	$45.19	$41.75 - $49.09
Q1 2023	24,035	$1	$48.34	$44.74 - $52.39
Q4 2022	24,440	$1	$46.89	$42.37 - $50.64
Q3 2022	24,101	$1,045	$50.70	$43.29 - $54.72
Q2 2022	25,912	$1,375	$51.60	$46.91 - $55.97
Q1 2022	21,372	$1,105	$50.16	$45.81 - $57.63
Q4 2021	21,762	$1,061	$46.53	$43.07 - $49.10
Q3 2021	22,377	$1,029	$51.11	$45.09 - $54.48
Q2 2021	21,215	$1,114	$54.08	$51.37 - $56.75
Q1 2021	20,715	$1,117	$47.98	$41.71 - $54.27
Q4 2020	23,795	$1,094	$47.35	$42.33 - $52.30
Q3 2020	28,587	$1,297	$51.04	$43.34 - $56.58
Q2 2020	28,797	$1,606	$61.09	$52.39 - $67.24
Q1 2020	28,237	$1,743	$69.90	$50.50 - $77.26
Q4 2019	22,982	$1,694	$69.05	$62.87 - $74.13
Q3 2019	23,389	$1,668	$70.88	$68.42 - $73.50
Q2 2019	10,356	$719	$67.64	$63.48 - $70.22
Q1 2019	9,740	$639	$62.69	$57.20 - $66.97
Q4 2018	9,645	$583	$66.85	$57.94 - $71.81