NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 8,613,648 Value ($000) $555,925 Avg Close $62.82 Range $56.07 - $68.56

Q3 2025

Shares 8,427,244 Value ($000) $493,921 Avg Close $54.14 Range $49.85 - $58.24

Q2 2025

Shares 8,746,228 Value ($000) $448,682 Avg Close $53.53 Range $49.39 - $57.89

Q1 2025

Shares 9,212,305 Value ($000) $533,116 Avg Close $52.06 Range $48.49 - $56.12

Q4 2024

Shares 11,098,837 Value ($000) $593,344 Avg Close $51.38 Range $48.17 - $54.22

Q3 2024

Shares 9,915,528 Value ($000) $567,367 Avg Close $49.89 Range $45.22 - $54.21

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,613,648	$555,925	$62.82	$56.07 - $68.56
Q3 2025	8,427,244	$493,921	$54.14	$49.85 - $58.24
Q2 2025	8,746,228	$448,682	$53.53	$49.39 - $57.89
Q1 2025	9,212,305	$533,116	$52.06	$48.49 - $56.12
Q4 2024	11,098,837	$593,344	$51.38	$48.17 - $54.22
Q3 2024	9,915,528	$567,367	$49.89	$45.22 - $54.21