Effective November 1, 2022, the Board of Directors of ONE Gas, Inc. elected Brian F. Brumfield to serve as the Company's Vice President, Chief Accounting Officer and Controller. Prior to joining ONE Gas, Mr. Brumfield, 55, served as Controller of Tucson Electric Power/UNS Energy since January 2017. Mr. Brumfield is eligible to participate in the compensation and benefit plans described under “Compensation Discussion and Analysis” on pages 36 through 48 of ONE Gas' Proxy Statement related to its 2022 Annual Meeting of Shareholders, as originally filed with the United States Securities and Exchange Commission on April 6, 2022 (and such descriptions are incorporated herein by this reference).