NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

State of Tennessee, Department of Treasury's Holding History (CIK: 0001587973)

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

Q4 2025

Shares 19,066 Value ($000) $1,294 Avg Close $62.82 Range $56.07 - $68.56

Q3 2025

Shares 19,882 Value ($000) $1,165 Avg Close $54.14 Range $49.85 - $58.24

Q2 2025

Shares 19,882 Value ($000) $1,020 Avg Close $53.53 Range $49.39 - $57.89

Q1 2025

Shares 19,882 Value ($000) $1,151 Avg Close $52.06 Range $48.49 - $56.12

Q4 2024

Shares 19,882 Value ($000) $1,063 Avg Close $51.38 Range $48.17 - $54.22

Q3 2024

Shares 20,443 Value ($000) $1,170 Avg Close $49.89 Range $45.22 - $54.21

Q2 2024

Shares 20,443 Value ($000) $1,024 Avg Close $46.58 Range $43.68 - $48.79

Q1 2024

Shares 20,443 Value ($000) $1,041 Avg Close $44.40 Range $41.90 - $47.03

Q4 2023

Shares 20,443 Value ($000) $1,040 Avg Close $44.88 Range $41.24 - $48.79

Q2 2023

Shares 10,117 Value ($000) $574 Avg Close $51.34 Range $48.87 - $53.67

Q1 2023

Shares 10,117 Value ($000) $585 Avg Close $49.59 Range $46.79 - $52.43

Q4 2022

Shares 10,778 Value ($000) $1 Avg Close $46.84 Range $41.72 - $52.07

Q3 2022

Shares 10,778 Value ($000) $1 Avg Close $46.61 Range $42.04 - $51.24

Q2 2022

Shares 10,000 Value ($000) $589 Avg Close $49.98 Range $45.98 - $52.83

Q1 2022

Shares 20,000 Value ($000) $1,210 Avg Close $48.63 Range $46.08 - $51.75

Q3 2021

Shares 36,377 Value ($000) $2,085 Avg Close $50.51 Range $46.92 - $53.26

Q2 2021

Shares 60,000 Value ($000) $3,613 Avg Close $52.44 Range $48.13 - $56.92

Q1 2021

Shares 60,000 Value ($000) $3,912 Avg Close $47.20 Range $42.31 - $53.28

Q2 2020

Shares 35,424 Value ($000) $1,931 Avg Close $44.67 Range $39.68 - $50.33

Q1 2020

Shares 57,408 Value ($000) $3,435 Avg Close $54.52 Range $34.68 - $61.46

Q4 2019

Shares 44,845 Value ($000) $3,214 Avg Close $54.65 Range $51.50 - $57.67

Q3 2019

Shares 30,459 Value ($000) $2,286 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 67,503 Value ($000) $4,870 Avg Close $53.01 Range $50.21 - $55.53

Q1 2019

Shares 30,000 Value ($000) $2,112 Avg Close $48.59 Range $42.38 - $53.49

Q4 2017

Shares 50,000 Value ($000) $2,985 Avg Close $42.54 Range $39.78 - $45.45

Q3 2017

Shares 70,000 Value ($000) $3,986 Avg Close $41.74 Range $40.09 - $43.18

Q2 2017

Shares 70,000 Value ($000) $4,271 Avg Close $42.35 Range $40.29 - $44.62

Q1 2017

Shares 60,000 Value ($000) $3,522 Avg Close $39.52 Range $38.19 - $41.05

Q3 2016

Shares 15,669 Value ($000) $901 Avg Close $40.31 Range $38.22 - $43.00

Q2 2016

Shares 38,446 Value ($000) $2,425 Avg Close $39.68 Range $37.02 - $42.70

Q1 2016

Shares 38,446 Value ($000) $2,374 Avg Close $38.33 Range $34.60 - $41.62

Q4 2015

Shares 36,700 Value ($000) $1,991 Avg Close $35.84 Range $33.71 - $37.52

Q2 2015

Shares 36,300 Value ($000) $1,770 Avg Close $33.40 Range $31.54 - $35.25

Q1 2015

Shares 35,700 Value ($000) $1,920 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 36,000 Value ($000) $2,037 Avg Close $33.16 Range $28.63 - $37.51

Q3 2014

Shares 33,400 Value ($000) $1,515 Avg Close $30.29 Range $28.46 - $33.15

Q2 2014

Shares 33,400 Value ($000) $1,743 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 34,700 Value ($000) $1,646 Avg Close $27.98 Range $26.36 - $29.86

Q4 2013

Shares 40,200 Value ($000) $1,741 Avg Close $27.40 Range $25.54 - $28.91

Q3 2013

Shares 80,555 Value ($000) $3,619 Avg Close $25.46 Range $23.73 - $28.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,066	$1,294	$62.82	$56.07 - $68.56
Q3 2025	19,882	$1,165	$54.14	$49.85 - $58.24
Q2 2025	19,882	$1,020	$53.53	$49.39 - $57.89
Q1 2025	19,882	$1,151	$52.06	$48.49 - $56.12
Q4 2024	19,882	$1,063	$51.38	$48.17 - $54.22
Q3 2024	20,443	$1,170	$49.89	$45.22 - $54.21
Q2 2024	20,443	$1,024	$46.58	$43.68 - $48.79
Q1 2024	20,443	$1,041	$44.40	$41.90 - $47.03
Q4 2023	20,443	$1,040	$44.88	$41.24 - $48.79
Q2 2023	10,117	$574	$51.34	$48.87 - $53.67
Q1 2023	10,117	$585	$49.59	$46.79 - $52.43
Q4 2022	10,778	$1	$46.84	$41.72 - $52.07
Q3 2022	10,778	$1	$46.61	$42.04 - $51.24
Q2 2022	10,000	$589	$49.98	$45.98 - $52.83
Q1 2022	20,000	$1,210	$48.63	$46.08 - $51.75
Q3 2021	36,377	$2,085	$50.51	$46.92 - $53.26
Q2 2021	60,000	$3,613	$52.44	$48.13 - $56.92
Q1 2021	60,000	$3,912	$47.20	$42.31 - $53.28
Q2 2020	35,424	$1,931	$44.67	$39.68 - $50.33
Q1 2020	57,408	$3,435	$54.52	$34.68 - $61.46
Q4 2019	44,845	$3,214	$54.65	$51.50 - $57.67
Q3 2019	30,459	$2,286	$54.27	$50.60 - $58.08
Q2 2019	67,503	$4,870	$53.01	$50.21 - $55.53
Q1 2019	30,000	$2,112	$48.59	$42.38 - $53.49
Q4 2017	50,000	$2,985	$42.54	$39.78 - $45.45
Q3 2017	70,000	$3,986	$41.74	$40.09 - $43.18
Q2 2017	70,000	$4,271	$42.35	$40.29 - $44.62
Q1 2017	60,000	$3,522	$39.52	$38.19 - $41.05
Q3 2016	15,669	$901	$40.31	$38.22 - $43.00
Q2 2016	38,446	$2,425	$39.68	$37.02 - $42.70
Q1 2016	38,446	$2,374	$38.33	$34.60 - $41.62
Q4 2015	36,700	$1,991	$35.84	$33.71 - $37.52
Q2 2015	36,300	$1,770	$33.40	$31.54 - $35.25
Q1 2015	35,700	$1,920	$35.30	$32.73 - $38.16
Q4 2014	36,000	$2,037	$33.16	$28.63 - $37.51
Q3 2014	33,400	$1,515	$30.29	$28.46 - $33.15
Q2 2014	33,400	$1,743	$30.04	$28.38 - $33.02
Q1 2014	34,700	$1,646	$27.98	$26.36 - $29.86
Q4 2013	40,200	$1,741	$27.40	$25.54 - $28.91
Q3 2013	80,555	$3,619	$25.46	$23.73 - $28.10