ONE GAS INC

Ticker: OGS CUSIP: 68235P108 Class: COM

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

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

Q1 2020

Shares 9,900 Value ($000) $828 Avg Close $88.45 Range $63.67 - $96.97

Q4 2019

Shares 9,780 Value ($000) $915 Avg Close $91.47 Range $84.90 - $96.66

Q3 2019

Shares 9,670 Value ($000) $929 Avg Close $91.28 Range $86.81 - $96.53

Q2 2019

Shares 9,720 Value ($000) $878 Avg Close $88.47 Range $85.45 - $92.66

Q1 2019

Shares 9,580 Value ($000) $853 Avg Close $84.03 Range $75.82 - $90.52

Q4 2018

Shares 12,620 Value ($000) $1,005 Avg Close $82.46 Range $75.51 - $87.75

Q2 2018

Shares 12,300 Value ($000) $919 Avg Close $71.11 Range $65.00 - $76.24

Q1 2018

Shares 16,240 Value ($000) $1,072 Avg Close $67.29 Range $62.20 - $73.58

Q4 2017

Shares 15,810 Value ($000) $1,158 Avg Close $75.81 Range $70.66 - $79.51

Q3 2017

Shares 15,810 Value ($000) $1,164 Avg Close $73.35 Range $68.45 - $76.06

Q2 2017

Shares 20,240 Value ($000) $1,413 Avg Close $69.75 Range $67.27 - $72.97

Q1 2017

Shares 24,030 Value ($000) $1,624 Avg Close $64.84 Range $61.42 - $68.79

Q4 2016

Shares 24,030 Value ($000) $1,537 Avg Close $60.73 Range $55.98 - $64.94

Q3 2016

Shares 23,420 Value ($000) $1,448 Avg Close $63.44 Range $59.28 - $67.35

Q2 2016

Shares 23,080 Value ($000) $1,537 Avg Close $60.28 Range $56.51 - $66.60

Q1 2016

Shares 17,430 Value ($000) $1,065 Avg Close $56.41 Range $48.01 - $62.25

Q4 2015

Shares 16,700 Value ($000) $838 Avg Close $48.28 Range $44.68 - $51.79

Q3 2015

Shares 16,580 Value ($000) $752 Avg Close $43.80 Range $41.23 - $45.58

Q2 2015

Shares 16,420 Value ($000) $699 Avg Close $42.67 Range $40.83 - $44.75

Q1 2015

Shares 15,800 Value ($000) $683 Avg Close $42.74 Range $38.88 - $46.50

Q4 2014

Shares 16,880 Value ($000) $696 Avg Close $38.82 Range $34.05 - $44.32

Q3 2014

Shares 14,700 Value ($000) $503 Avg Close $36.60 Range $34.21 - $38.62

Q2 2014

Shares 14,200 Value ($000) $536 Avg Close $36.58 Range $34.90 - $38.91

Q1 2014

Shares 14,200 Value ($000) $510 Avg Close $34.23 Range $31.94 - $37.01

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	9,900	$828	$88.45	$63.67 - $96.97
Q4 2019	9,780	$915	$91.47	$84.90 - $96.66
Q3 2019	9,670	$929	$91.28	$86.81 - $96.53
Q2 2019	9,720	$878	$88.47	$85.45 - $92.66
Q1 2019	9,580	$853	$84.03	$75.82 - $90.52
Q4 2018	12,620	$1,005	$82.46	$75.51 - $87.75
Q2 2018	12,300	$919	$71.11	$65.00 - $76.24
Q1 2018	16,240	$1,072	$67.29	$62.20 - $73.58
Q4 2017	15,810	$1,158	$75.81	$70.66 - $79.51
Q3 2017	15,810	$1,164	$73.35	$68.45 - $76.06
Q2 2017	20,240	$1,413	$69.75	$67.27 - $72.97
Q1 2017	24,030	$1,624	$64.84	$61.42 - $68.79
Q4 2016	24,030	$1,537	$60.73	$55.98 - $64.94
Q3 2016	23,420	$1,448	$63.44	$59.28 - $67.35
Q2 2016	23,080	$1,537	$60.28	$56.51 - $66.60
Q1 2016	17,430	$1,065	$56.41	$48.01 - $62.25
Q4 2015	16,700	$838	$48.28	$44.68 - $51.79
Q3 2015	16,580	$752	$43.80	$41.23 - $45.58
Q2 2015	16,420	$699	$42.67	$40.83 - $44.75
Q1 2015	15,800	$683	$42.74	$38.88 - $46.50
Q4 2014	16,880	$696	$38.82	$34.05 - $44.32
Q3 2014	14,700	$503	$36.60	$34.21 - $38.62
Q2 2014	14,200	$536	$36.58	$34.90 - $38.91
Q1 2014	14,200	$510	$34.23	$31.94 - $37.01