Hart Tracy E [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Ownership	Reported
05/25/2023	ONE Gas, Inc.	OGS	Grant	Phantom Stock	653	$79.61	$52k		05/25/2023
05/25/2023	ONE Gas, Inc.	OGS	Grant	Common stock, par value $0.01	979	$79.61	$77.9k		05/25/2023
05/26/2022	ONE Gas, Inc.	OGS	Grant	Phantom Stock	588	$88.38	$52k		05/26/2022
05/26/2022	ONE Gas, Inc.	OGS	Grant	Common stock, par value $0.01	882	$88.38	$77.9k		05/26/2022
05/27/2021	ONE Gas, Inc.	OGS	Grant	Phantom Stock	614	$74.91	$46k		05/27/2021
05/27/2021	ONE Gas, Inc.	OGS	Grant	Common stock, par value $0.01	921	$74.91	$69k		05/27/2021
09/14/2020	ONE Gas, Inc.	OGS	Purchase	Common stock, par value $0.01	400	$69.67	$27.9k		09/14/2020
09/14/2020	ONE Gas, Inc.	OGS	Purchase	Common stock, par value $0.01	400	$69.67	$27.9k		09/14/2020
05/21/2020	ONE Gas, Inc.	OGS	Grant	Common stock, par value $0.01	845	$78.06	$66k		05/21/2020
05/21/2020	ONE Gas, Inc.	OGS	Grant	Phantom Stock	563	$78.06	$43.9k		05/21/2020
09/25/2019	ONE Gas, Inc.	OGS	Purchase	Common stock, par value $0.01	150	$95.25	$14.3k		09/25/2019
09/25/2019	ONE Gas, Inc.	OGS	Purchase	Common stock, par value $0.01	100	$95.25	$9.5k	by son	09/25/2019
05/23/2019	ONE Gas, Inc.	OGS	Grant	Phantom Stock	497	$88.36	$43.9k		05/23/2019
05/23/2019	ONE Gas, Inc.	OGS	Grant	Common stock, par value $0.01	746	$88.36	$65.9k		05/23/2019
08/08/2018	ONE Gas, Inc.	OGS	Grant	Phantom Stock	479	$76.53	$36.7k		08/08/2018
08/08/2018	ONE Gas, Inc.	OGS	Grant	Common stock, par value $0.01	719	$76.53	$55k		08/08/2018