NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

ANCHOR CAPITAL ADVISORS LLC's Holding History (CIK: 0000813933)

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

Q3 2020

Shares 17,834 Value ($000) $867 Avg Close $41.40 Range $37.35 - $45.52

Q2 2020

Shares 33,266 Value ($000) $1,814 Avg Close $44.67 Range $39.68 - $50.33

Q1 2020

Shares 33,401 Value ($000) $1,998 Avg Close $54.52 Range $34.68 - $61.46

Q4 2019

Shares 30,219 Value ($000) $2,166 Avg Close $54.65 Range $51.50 - $57.67

Q3 2019

Shares 30,349 Value ($000) $2,278 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 30,307 Value ($000) $2,187 Avg Close $53.01 Range $50.21 - $55.53

Q1 2019

Shares 31,205 Value ($000) $2,197 Avg Close $48.59 Range $42.38 - $53.49

Q4 2018

Shares 26,065 Value ($000) $1,549 Avg Close $45.03 Range $41.21 - $48.18

Q3 2018

Shares 14,075 Value ($000) $826 Avg Close $43.15 Range $40.65 - $45.13

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	17,834	$867	$41.40	$37.35 - $45.52
Q2 2020	33,266	$1,814	$44.67	$39.68 - $50.33
Q1 2020	33,401	$1,998	$54.52	$34.68 - $61.46
Q4 2019	30,219	$2,166	$54.65	$51.50 - $57.67
Q3 2019	30,349	$2,278	$54.27	$50.60 - $58.08
Q2 2019	30,307	$2,187	$53.01	$50.21 - $55.53
Q1 2019	31,205	$2,197	$48.59	$42.38 - $53.49
Q4 2018	26,065	$1,549	$45.03	$41.21 - $48.18
Q3 2018	14,075	$826	$43.15	$40.65 - $45.13