ONE GAS INC

Ticker: OGS CUSIP: 68235P108 Class: COM

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2019

Shares 3,346 Value ($000) $298 Avg Close $84.03 Range $75.82 - $90.52

Q4 2018

Shares 3,792 Value ($000) $302 Avg Close $82.46 Range $75.51 - $87.75

Q3 2018

Shares 4,050 Value ($000) $333 Avg Close $78.28 Range $73.75 - $83.12

Q2 2018

Shares 5,550 Value ($000) $415 Avg Close $71.11 Range $65.00 - $76.24

Q1 2018

Shares 5,850 Value ($000) $386 Avg Close $67.29 Range $62.20 - $73.58

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	3,346	$298	$84.03	$75.82 - $90.52
Q4 2018	3,792	$302	$82.46	$75.51 - $87.75
Q3 2018	4,050	$333	$78.28	$73.75 - $83.12
Q2 2018	5,550	$415	$71.11	$65.00 - $76.24
Q1 2018	5,850	$386	$67.29	$62.20 - $73.58