144 0001555428 XXXXXXXX LIVE 0001587732 ONE Gas, Inc. 001-36108 15 EAST FIFTH STREET TULSA OK 74103 918-947-7000 Hutchinson Michael G Director Common Stock Charles Schwab & Co.

3000 Schwab Way Westlake TX 76262

1200 88764.00 59877552 03/18/2025 NYSE Common Stock 05/25/2023 Equity Compensation Issuer N 1200 05/25/2023 Services Rendered Y Sold out of: E NELAJ & M HUTCHINSON TTEE MICHAEL & EDLIRA HUTCHINSON RE U/A DTD 04/26/2023 03/18/2025 Michael Hutchinson