NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

MATHER GROUP, LLC.'s Holding History (CIK: 0001527641)

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

Q3 2025

Shares 106 Value ($000) $6 Avg Close $54.14 Range $49.85 - $58.24

Q1 2025

Shares 106 Value ($000) $6 Avg Close $52.06 Range $48.49 - $56.12

Q4 2024

Shares 6 Value ($000) $0 Avg Close $51.38 Range $48.17 - $54.22

Q3 2024

Shares 6 Value ($000) $0 Avg Close $49.89 Range $45.22 - $54.21

Q2 2024

Shares 96 Value ($000) $5 Avg Close $46.58 Range $43.68 - $48.79

Q1 2024

Shares 96 Value ($000) $5 Avg Close $44.40 Range $41.90 - $47.03

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	106	$6	$54.14	$49.85 - $58.24
Q1 2025	106	$6	$52.06	$48.49 - $56.12
Q4 2024	6	$0	$51.38	$48.17 - $54.22
Q3 2024	6	$0	$49.89	$45.22 - $54.21
Q2 2024	96	$5	$46.58	$43.68 - $48.79
Q1 2024	96	$5	$44.40	$41.90 - $47.03