ONE GAS INC

Ticker: OGS CUSIP: 68235P108 Class: COM

Capital World Investors's Holding History (CIK: 0001422849)

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

Q1 2015

Shares 1,175,750 Value ($000) $50,828 Avg Close $42.74 Range $38.88 - $46.50

Q4 2014

Shares 1,175,750 Value ($000) $48,464 Avg Close $38.82 Range $34.05 - $44.32

Q3 2014

Shares 1,175,750 Value ($000) $40,269 Avg Close $36.60 Range $34.21 - $38.62

Q2 2014

Shares 1,175,750 Value ($000) $44,385 Avg Close $36.58 Range $34.90 - $38.91

Q1 2014

Shares 893,750 Value ($000) $32,112 Avg Close $34.23 Range $31.94 - $37.01

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	1,175,750	$50,828	$42.74	$38.88 - $46.50
Q4 2014	1,175,750	$48,464	$38.82	$34.05 - $44.32
Q3 2014	1,175,750	$40,269	$36.60	$34.21 - $38.62
Q2 2014	1,175,750	$44,385	$36.58	$34.90 - $38.91
Q1 2014	893,750	$32,112	$34.23	$31.94 - $37.01