NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

Fortitude Family Office, LLC's Holding History (CIK: 0001950506)

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

Q4 2025

Shares 28 Value ($000) $2 Avg Close $62.82 Range $56.07 - $68.56

Q3 2025

Shares 28 Value ($000) $2 Avg Close $54.14 Range $49.85 - $58.24

Q2 2025

Shares 18 Value ($000) $1 Avg Close $53.53 Range $49.39 - $57.89

Q1 2025

Shares 57 Value ($000) $3 Avg Close $52.06 Range $48.49 - $56.12

Q4 2024

Shares 57 Value ($000) $3 Avg Close $51.38 Range $48.17 - $54.22

Q4 2023

Shares 80 Value ($000) $4 Avg Close $44.88 Range $41.24 - $48.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28	$2	$62.82	$56.07 - $68.56
Q3 2025	28	$2	$54.14	$49.85 - $58.24
Q2 2025	18	$1	$53.53	$49.39 - $57.89
Q1 2025	57	$3	$52.06	$48.49 - $56.12
Q4 2024	57	$3	$51.38	$48.17 - $54.22
Q4 2023	80	$4	$44.88	$41.24 - $48.79