NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q1 2020

Shares 9,470 Value ($000) $567 Avg Close $54.52 Range $34.68 - $61.46

Q4 2019

Shares 9,360 Value ($000) $671 Avg Close $54.65 Range $51.50 - $57.67

Q3 2019

Shares 9,250 Value ($000) $694 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 9,310 Value ($000) $672 Avg Close $53.01 Range $50.21 - $55.53

Q1 2019

Shares 9,170 Value ($000) $646 Avg Close $48.59 Range $42.38 - $53.49

Q4 2018

Shares 11,950 Value ($000) $710 Avg Close $45.03 Range $41.21 - $48.18

Q2 2018

Shares 11,590 Value ($000) $664 Avg Close $39.06 Range $37.03 - $41.93

Q1 2018

Shares 15,350 Value ($000) $826 Avg Close $37.69 Range $35.55 - $42.53

Q4 2017

Shares 14,660 Value ($000) $875 Avg Close $42.54 Range $39.78 - $45.45

Q3 2017

Shares 14,660 Value ($000) $835 Avg Close $41.74 Range $40.09 - $43.18

Q2 2017

Shares 18,700 Value ($000) $1,141 Avg Close $42.35 Range $40.29 - $44.62

Q1 2017

Shares 22,400 Value ($000) $1,315 Avg Close $39.52 Range $38.19 - $41.05

Q4 2016

Shares 21,990 Value ($000) $1,251 Avg Close $38.33 Range $36.64 - $40.23

Q3 2016

Shares 10,700 Value ($000) $616 Avg Close $40.31 Range $38.22 - $43.00

Q2 2016

Shares 10,520 Value ($000) $663 Avg Close $39.68 Range $37.02 - $42.70

Q1 2016

Shares 10,240 Value ($000) $632 Avg Close $38.33 Range $34.60 - $41.62

Q4 2015

Shares 9,520 Value ($000) $516 Avg Close $35.84 Range $33.71 - $37.52

Q3 2015

Shares 9,060 Value ($000) $488 Avg Close $34.01 Range $31.66 - $36.90

Q2 2015

Shares 8,970 Value ($000) $437 Avg Close $33.40 Range $31.54 - $35.25

Q1 2015

Shares 8,600 Value ($000) $463 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 11,580 Value ($000) $655 Avg Close $33.16 Range $28.63 - $37.51

Q3 2014

Shares 10,000 Value ($000) $454 Avg Close $30.29 Range $28.46 - $33.15

Q2 2014

Shares 9,600 Value ($000) $501 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 9,300 Value ($000) $441 Avg Close $27.98 Range $26.36 - $29.86

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	9,470	$567	$54.52	$34.68 - $61.46
Q4 2019	9,360	$671	$54.65	$51.50 - $57.67
Q3 2019	9,250	$694	$54.27	$50.60 - $58.08
Q2 2019	9,310	$672	$53.01	$50.21 - $55.53
Q1 2019	9,170	$646	$48.59	$42.38 - $53.49
Q4 2018	11,950	$710	$45.03	$41.21 - $48.18
Q2 2018	11,590	$664	$39.06	$37.03 - $41.93
Q1 2018	15,350	$826	$37.69	$35.55 - $42.53
Q4 2017	14,660	$875	$42.54	$39.78 - $45.45
Q3 2017	14,660	$835	$41.74	$40.09 - $43.18
Q2 2017	18,700	$1,141	$42.35	$40.29 - $44.62
Q1 2017	22,400	$1,315	$39.52	$38.19 - $41.05
Q4 2016	21,990	$1,251	$38.33	$36.64 - $40.23
Q3 2016	10,700	$616	$40.31	$38.22 - $43.00
Q2 2016	10,520	$663	$39.68	$37.02 - $42.70
Q1 2016	10,240	$632	$38.33	$34.60 - $41.62
Q4 2015	9,520	$516	$35.84	$33.71 - $37.52
Q3 2015	9,060	$488	$34.01	$31.66 - $36.90
Q2 2015	8,970	$437	$33.40	$31.54 - $35.25
Q1 2015	8,600	$463	$35.30	$32.73 - $38.16
Q4 2014	11,580	$655	$33.16	$28.63 - $37.51
Q3 2014	10,000	$454	$30.29	$28.46 - $33.15
Q2 2014	9,600	$501	$30.04	$28.38 - $33.02
Q1 2014	9,300	$441	$27.98	$26.36 - $29.86