Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Regulation FD Disclosure
Item 5.02 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.…
Filed Nov 18, 2025Accepted Nov 18, 2025, 4:17 PM ESTCIK 1587732Accession 0001193125-25-286182
Inc. ONE Gas, Inc. (NYSE: OGS) is a 100-percent regulated natural gas utility, and trades on the New York Stock Exchange and NYSE Texas 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.
Select an item to read the extracted section. The as-filed document remains the primary evidence.
Item 5.02Item 5.02 - Departure/Election of Directors
Item 5.02 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 7.01Item 7.01 - Regulation FD Disclosure
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.
Filed exhibits (1)
EX-99.1 (by filename) d886620dex991.htm
EX-99.1
2
d886620dex991.htm
EX-99.1
EX-99.1
Exhibit 99.1
Nov. 18, 2025 Analyst Contact: Erin Dailey
918-947-7411
─────────────────────────────────────────────────────────
Media Contact: Leah Harper
918-947-7123
ONE Gas Announces Retirement of Board Chair John Gibson and
Election of Deborah Hersman as New Chair
TULSA, Okla. - Nov. 18, 2025 - 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 est…
