MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

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

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

Q1 2020

Shares 37,610 Value ($000) $809 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 36,920 Value ($000) $1,097 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 36,520 Value ($000) $1,029 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 36,250 Value ($000) $935 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 35,730 Value ($000) $923 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 47,110 Value ($000) $1,123 Avg Close $7.88 Range $7.03 - $8.27

Q2 2018

Shares 45,770 Value ($000) $1,313 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 60,680 Value ($000) $1,709 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 59,070 Value ($000) $1,588 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 59,070 Value ($000) $1,533 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 75,390 Value ($000) $1,975 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 90,510 Value ($000) $2,477 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 89,570 Value ($000) $2,577 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 87,680 Value ($000) $2,231 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 86,440 Value ($000) $2,091 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 65,080 Value ($000) $1,278 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 62,430 Value ($000) $1,155 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 60,980 Value ($000) $1,060 Avg Close $4.95 Range $4.48 - $5.44

Q2 2015

Shares 61,260 Value ($000) $1,196 Avg Close $5.79 Range $5.30 - $6.32

Q1 2015

Shares 58,700 Value ($000) $1,264 Avg Close $6.06 Range $5.47 - $6.65

Q4 2014

Shares 62,980 Value ($000) $1,492 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 54,300 Value ($000) $1,520 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 52,200 Value ($000) $1,841 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 52,200 Value ($000) $1,791 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 51,700 Value ($000) $1,579 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 31,100 Value ($000) $870 Avg Close $7.25 Range $6.78 - $7.90

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	37,610	$809	$8.83	$4.81 - $10.26
Q4 2019	36,920	$1,097	$9.10	$8.60 - $9.50
Q3 2019	36,520	$1,029	$8.44	$7.93 - $9.12
Q2 2019	36,250	$935	$7.99	$7.59 - $8.30
Q1 2019	35,730	$923	$7.90	$7.22 - $8.40
Q4 2018	47,110	$1,123	$7.88	$7.03 - $8.27
Q2 2018	45,770	$1,313	$8.49	$8.18 - $8.87
Q1 2018	60,680	$1,709	$8.03	$7.29 - $8.53
Q4 2017	59,070	$1,588	$8.04	$7.71 - $8.41
Q3 2017	59,070	$1,533	$7.77	$7.44 - $8.20
Q2 2017	75,390	$1,975	$7.92	$7.51 - $8.25
Q1 2017	90,510	$2,477	$8.03	$7.53 - $8.67
Q4 2016	89,570	$2,577	$7.89	$7.09 - $8.72
Q3 2016	87,680	$2,231	$6.91	$6.46 - $7.47
Q2 2016	86,440	$2,091	$6.12	$5.33 - $6.90
Q1 2016	65,080	$1,278	$5.02	$4.40 - $5.57
Q4 2015	62,430	$1,155	$5.10	$4.59 - $5.49
Q3 2015	60,980	$1,060	$4.95	$4.48 - $5.44
Q2 2015	61,260	$1,196	$5.79	$5.30 - $6.32
Q1 2015	58,700	$1,264	$6.06	$5.47 - $6.65
Q4 2014	62,980	$1,492	$6.84	$5.78 - $7.67
Q3 2014	54,300	$1,520	$8.38	$7.36 - $9.47
Q2 2014	52,200	$1,841	$9.15	$8.68 - $9.59
Q1 2014	52,200	$1,791	$8.65	$7.84 - $9.29
Q4 2013	51,700	$1,579	$7.80	$7.24 - $8.15
Q3 2013	31,100	$870	$7.25	$6.78 - $7.90