X0206 3 2022-11-01 1 0001587732 ONE Gas, Inc. OGS 0001951536 Brumfield Brian F. 15 EAST 5TH STREET TULSA OK 74103 0 1 0 0 See remarks Vice President, Chief Accounting Officer and Controller /s/ Brian K. Shore, Attorney-in-Fact for Brian F. Brumfield 2022-11-01