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ONE Gas Announces Retirement of Board Chair John Gibson and Election of Deborah Hersman as New Chair

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ONE Gas (NYSE: OGS) announced that John W. Gibson, 73, will retire from the board and as chair after the Company's Annual Meeting in May 2026, and that Deborah A.P. Hersman, 55, was elected chair effective May 21, 2026.

Gibson served as chair since ONE Gas formed in 2014 and led the separation from ONEOK. Hersman joined the ONE Gas board in 2023, serves as chair of the Corporate Governance Committee, and brings experience as former chair of the National Transportation Safety Board, former CEO of the National Safety Council, and former chief safety officer at Waymo.

The board described the succession as the outcome of a comprehensive planning process and said Hersman’s background will support the company’s focus on operational excellence, safety, and long-term value for shareholders, customers and communities.

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Positive

  • Deborah Hersman elected chair effective May 21, 2026
  • Hersman joined the board in 2023 and chairs Corporate Governance Committee
  • Hersman brings high-profile safety and technology experience from NTSB and Waymo
  • John Gibson led ONE Gas separation from ONEOK in 2014

Negative

  • Current chair John Gibson will remain until the Annual Meeting in May 2026, extending transition period

News Market Reaction 1 Alert

+0.04% News Effect

On the day this news was published, OGS gained 0.04%, reflecting a mild positive market reaction.

Data tracked by StockTitan Argus on the day of publication.

TULSA, Okla., Nov. 18, 2025 /PRNewswire/ -- ONE Gas, Inc. (NYSE: OGS) announced today that John W. Gibson, 73, will retire from the board and as chair after the Company's Annual Meeting for Shareholders next May. Mr. 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, 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, 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 our 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. 

"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 remains committed to delivering reliable energy safely and affordably, creating long-term value for our shareholders, customers and communities.

About ONE Gas, Inc. 

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.

For more information and the latest news about ONE Gas, visit onegas.com and follow its social channels: @ONEGas, Facebook, LinkedIn and YouTube.

About Deborah Hersman

Ms. Hersman joined the ONE Gas board of directors in 2023. Since 2019, she has also served as a director of NiSource, an electric and gas utility serving 3.5 million consumers across six states. From 2019 to 2020, she was Chief Safety Officer / Senior Advisor to Waymo, Google's self-driving car project, a leading company in the mobility sector.

Ms. Hersman was the Chief Executive Officer of the National Safety Council from 2014 to 2019. The NSC is America's foremost nonprofit safety advocate focused on eliminating the leading causes of preventable death in workplaces, on the road and in communities.

She served as a Board Member of the National Transportation Safety Board from 2004 – 2014 and as NTSB Chairman from 2009 – 2014. The NTSB is internationally recognized for investigations across all modes of transportation. Both President Bush and President Obama nominated her, and she was unanimously confirmed by the Senate four times.

She also served as a senior staffer focused on transportation issues in the U.S. House and U.S. Senate from 1992 – 2004, contributing to milestone legislation such as the Transportation Equity Act of the 21st Century, the Pipeline Safety Improvement Act, the Amtrak Reform and Accountability Act and the Motor Carrier Safety Improvement Act which created a new modal administration at the U.S. Department of Transportation.

Ms. Hersman earned a B.A. in political science and a B.A. in international studies from Virginia Tech, as well as an M.S. in conflict analysis and resolution from George Mason University.

Analyst Contact:

Erin Dailey

918-947-7411

Media Contact:

Leah Harper

918-947-7123

 

Cision View original content to download multimedia:https://www.prnewswire.com/news-releases/one-gas-announces-retirement-of-board-chair-john-gibson-and-election-of-deborah-hersman-as-new-chair-302619110.html

SOURCE ONE Gas, Inc.

FAQ

When will Deborah Hersman become chair of ONE Gas (OGS)?

Deborah Hersman will assume the role of chair effective May 21, 2026.

Why is ONE Gas (OGS) changing its board chair in 2026?

John Gibson will retire after the Annual Meeting in May 2026 and the board elected Deborah Hersman following a succession planning process.

What is Deborah Hersman’s experience relevant to her role as ONE Gas (OGS) chair?

Hersman previously chaired the National Transportation Safety Board, served as CEO of the National Safety Council, and was chief safety officer at Waymo.

How long did John Gibson serve as chair of ONE Gas (OGS)?

John Gibson served as chair since ONE Gas' inception in 2014.

Did the ONE Gas (OGS) board describe the process for selecting the new chair?

Yes; the board said Hersman’s election followed a comprehensive succession planning process.
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