ONE Gas Chair John Gibson Retires; Hersman Named Successor
ONE Gas, Inc. announced that John W. Gibson, 73, will retire from the board and as chair after the Company’s Annual Meeting for Shareholders next May and be replaced by the former chair of the National Transportation Safety Board.
Gibson has served as chair since ONE Gas’ inception in 2014. The board of directors has elected Deborah A.P. Hersman, 55, as chair of the Board of the Tulsa-headquartered company effective May 21, 2026, following a comprehensive succession planning process.
“I want to extend my heartfelt gratitude to John for his remarkable leadership and dedication over the past eleven years,” said Robert S. McAnnally, president and chief executive officer of ONE Gas. “John led the separation of ONE Gas from ONEOK, a decision that created value for shareholders of both companies. He established a framework that has served all of our stakeholders through a time of substantial growth and will serve our company in the years to come.”
Hersman’s Background and Leadership Credentials
Hersman, a seasoned leader, joined the ONE Gas board in 2023. She currently serves as the chair of the Corporate Governance Committee and has played an integral role in shaping the company’s governance initiatives.
Hersman is the former chair of the National Transportation Safety Board, former chief executive officer of the National Safety Council, and most recently served as the chief safety officer of Waymo, Google’s self-driving car project. Hersman’s election further strengthens the board’s diversity of experience and strategic focus.
CEO Praises Hersman’s Vision
“Debbie is a highly respected leader whose expertise in safety, technology and public policy has already benefitted our board,” continued McAnnally. “Her visionary leadership aligns with our commitment to operational excellence and sustainable growth.”
“I am honored to serve as chair and look forward to working with my fellow directors to advance ONE Gas’ mission and deliver value to our stakeholders,” said Hersman.
ONE Gas Emphasizes Long-Term Mission
ONE Gas remains committed to delivering reliable energy safely and affordably, creating long-term value for its shareholders, customers, and communities.
ONE Gas, Inc. (NYSE: OGS) is a 100-percent regulated natural gas utility, and trades on the New York Stock Exchange under the symbol “OGS.” ONE Gas is included in the S&P MidCap 400 Index and is one of the largest natural gas utilities in the United States.
Headquartered in Tulsa, Oklahoma, ONE Gas provides a reliable and affordable energy choice to more than 2.3 million customers in Kansas, Oklahoma and Texas. Its divisions include Kansas Gas Service, the largest natural gas distributor in Kansas; Oklahoma Natural Gas, the largest in Oklahoma; and Texas Gas Service, the third largest in Texas, in terms of customers.
Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.
On November 17, 2025, John W. Gibson, 73, provided notice to ONE Gas, Inc. (the “Company”) of his decision to retire as a member of the Board of
Directors (the “Board”) and as chair of the Board, effective on May 21, 2026, immediately following the Company’s Annual Meeting of Shareholders,
after having served on the Board since 2014.
Mr. Gibson’s retirement is not due to any disagreement with the Company, including on any matter relating to its operations, policies or practices.
The Company truly appreciates Mr. Gibson’s service to the Board.
On November 18, 2025, Deborah A. P. Hersman, 55, was elected by the Board to succeed Mr. Gibson as chair of the Board, effective May 21, 2026,
immediately following the Company’s Annual Meeting of Shareholders. Ms. Hersman of Lorton, Virginia has been a member of the Board since June
2023 and most recently served as the chair of the Corporate Governance Committee of the Board. Following Mr. Gibson’s retirement from the Board on
May 21, 2026, the size of the Board will be reduced to eight (8).
Item 7.01 Regulation FD Disclosure
On November 18, 2025, the Company issued a news release announcing the retirement of John W. Gibson, effective May 21, 2026, immediately
following the Company’s Annual Meeting of Shareholders, and the election of Deborah A. P. Hersman to succeed Mr. Gibson as chair of the Board. A
copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference.
The information disclosed in Item 7.01, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the
Securities Exchange Act of 1934, as amended (the “Exchange Act”), or other subject to the liabilities under that section, nor shall it be deemed
incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act except as expressly set forth by specific
reference in such filing.