ONE GAS INC

Ticker: OGS CUSIP: 68235P108 Class: COM

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q4 2020

Shares 77,900 Value ($000) $5,980 Avg Close $75.58 Range $66.94 - $82.40

Q3 2020

Shares 77,900 Value ($000) $5,376 Avg Close $73.69 Range $65.51 - $79.98

Q2 2020

Shares 77,900 Value ($000) $6,002 Avg Close $80.79 Range $72.25 - $92.00

Q1 2020

Shares 77,900 Value ($000) $6,514 Avg Close $88.45 Range $63.67 - $96.97

Q4 2019

Shares 77,900 Value ($000) $7,289 Avg Close $91.47 Range $84.90 - $96.66

Q3 2019

Shares 77,900 Value ($000) $7,487 Avg Close $91.28 Range $86.81 - $96.53

Q2 2019

Shares 77,900 Value ($000) $7,034 Avg Close $88.47 Range $85.45 - $92.66

Q1 2019

Shares 77,900 Value ($000) $6,935 Avg Close $84.03 Range $75.82 - $90.52

Q4 2018

Shares 100,900 Value ($000) $8,032 Avg Close $82.46 Range $75.51 - $87.75

Q3 2018

Shares 100,900 Value ($000) $8,302 Avg Close $78.28 Range $73.75 - $83.12

Q2 2018

Shares 119,900 Value ($000) $8,961 Avg Close $71.11 Range $65.00 - $76.24

Q1 2018

Shares 119,900 Value ($000) $7,916 Avg Close $67.29 Range $62.20 - $73.58

Q4 2017

Shares 119,900 Value ($000) $8,784 Avg Close $75.81 Range $70.66 - $79.51

Q3 2017

Shares 119,900 Value ($000) $8,829 Avg Close $73.35 Range $68.45 - $76.06

Q2 2017

Shares 119,900 Value ($000) $8,370 Avg Close $69.75 Range $67.27 - $72.97

Q1 2017

Shares 119,900 Value ($000) $8,105 Avg Close $64.84 Range $61.42 - $68.79

Q4 2016

Shares 119,900 Value ($000) $7,669 Avg Close $60.73 Range $55.98 - $64.94

Q3 2016

Shares 148,900 Value ($000) $9,208 Avg Close $63.44 Range $59.28 - $67.35

Q2 2016

Shares 169,900 Value ($000) $11,314 Avg Close $60.28 Range $56.51 - $66.60

Q1 2016

Shares 169,900 Value ($000) $10,381 Avg Close $56.41 Range $48.01 - $62.25

Q4 2015

Shares 206,900 Value ($000) $10,380 Avg Close $48.28 Range $44.68 - $51.79

Q3 2015

Shares 206,900 Value ($000) $9,379 Avg Close $43.80 Range $41.23 - $45.58

Q2 2015

Shares 206,900 Value ($000) $8,806 Avg Close $42.67 Range $40.83 - $44.75

Q1 2015

Shares 195,000 Value ($000) $8,430 Avg Close $42.74 Range $38.88 - $46.50

Q4 2014

Shares 195,000 Value ($000) $8,038 Avg Close $38.82 Range $34.05 - $44.32

Q3 2014

Shares 195,000 Value ($000) $6,679 Avg Close $36.60 Range $34.21 - $38.62

Q2 2014

Shares 199,750 Value ($000) $7,541 Avg Close $36.58 Range $34.90 - $38.91

Q1 2014

Shares 6,750 Value ($000) $243 Avg Close $34.23 Range $31.94 - $37.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	77,900	$5,980	$75.58	$66.94 - $82.40
Q3 2020	77,900	$5,376	$73.69	$65.51 - $79.98
Q2 2020	77,900	$6,002	$80.79	$72.25 - $92.00
Q1 2020	77,900	$6,514	$88.45	$63.67 - $96.97
Q4 2019	77,900	$7,289	$91.47	$84.90 - $96.66
Q3 2019	77,900	$7,487	$91.28	$86.81 - $96.53
Q2 2019	77,900	$7,034	$88.47	$85.45 - $92.66
Q1 2019	77,900	$6,935	$84.03	$75.82 - $90.52
Q4 2018	100,900	$8,032	$82.46	$75.51 - $87.75
Q3 2018	100,900	$8,302	$78.28	$73.75 - $83.12
Q2 2018	119,900	$8,961	$71.11	$65.00 - $76.24
Q1 2018	119,900	$7,916	$67.29	$62.20 - $73.58
Q4 2017	119,900	$8,784	$75.81	$70.66 - $79.51
Q3 2017	119,900	$8,829	$73.35	$68.45 - $76.06
Q2 2017	119,900	$8,370	$69.75	$67.27 - $72.97
Q1 2017	119,900	$8,105	$64.84	$61.42 - $68.79
Q4 2016	119,900	$7,669	$60.73	$55.98 - $64.94
Q3 2016	148,900	$9,208	$63.44	$59.28 - $67.35
Q2 2016	169,900	$11,314	$60.28	$56.51 - $66.60
Q1 2016	169,900	$10,381	$56.41	$48.01 - $62.25
Q4 2015	206,900	$10,380	$48.28	$44.68 - $51.79
Q3 2015	206,900	$9,379	$43.80	$41.23 - $45.58
Q2 2015	206,900	$8,806	$42.67	$40.83 - $44.75
Q1 2015	195,000	$8,430	$42.74	$38.88 - $46.50
Q4 2014	195,000	$8,038	$38.82	$34.05 - $44.32
Q3 2014	195,000	$6,679	$36.60	$34.21 - $38.62
Q2 2014	199,750	$7,541	$36.58	$34.90 - $38.91
Q1 2014	6,750	$243	$34.23	$31.94 - $37.01