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ONE Gas, Inc.

For the period ended Sep 30, 2025. Filed Nov 4, 2025.

View on SEC.gov

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 4, 2025

OGS$80.92-1.1%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits

Item 6. Exhibits

Readers of this report should not rely on or assume the accuracy of any representation or warranty or the validity of any opinion contained in any agreement filed as an exhibit to this Quarterly Report, because such representation, warranty or opinion may be subject to exceptions and qualifications contained in separate disclosure schedules, may represent an allocation of risk between parties in the particular transaction, may be qualified by materiality standards that differ from what may be viewed as material for securities law purposes, or may no longer continue to be true as of any given date. All exhibits attached to this Quarterly Report are included for the purpose of complying with requirements of the SEC. Other than the certifications made by our officers pursuant to the Sarbanes-Oxley Act of 2002 included as exhibits to this Quarterly Report, all exhibits are included only to provide information to investors regarding their respective terms and should not be relied upon as constituting or providing any factual disclosures about us, any other persons, any state of affairs or other matters.

The following exhibits are filed as part of this Quarterly Report:

Exhibit No.Exhibit Description
3.1Amended Certificate of Incorporation of ONE Gas, Inc., dated May 24, 2018 (incorporated by reference to Exhibit 3.1 to ONE Gas, Inc.’s Current Report on Form 8-K filed on May 30, 2018 (File No. 1-36108)).
3.2Amended and Restated By-Laws of ONE Gas, Inc. dated August 5, 2025 (incorporated by reference to Exhibit 3.1 to ONE Gas, Inc.’s Current Report on Form 8-K filed on August 5, 2025 (File No. 1-36108)).
10.1Credit Agreement, dated as of August 11, 2025, among ONE Gas, Inc., the lenders party thereto from time to time and Bank of America, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to ONE Gas, Inc.’s Current Report on Form 8-K filed on August 11, 2025 (File No. 1-36108)).
10.2Third Amended and Restated Credit Agreement, dated as of October 30, 2025, among ONE Gas, Inc., the lenders party thereto from time to time and Bank of America, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to ONE Gas, Inc.’s Current Report on Form 8-K filed on October 30, 2025 (File No. 1-36108)).]
31.1Certification of Robert S. McAnnally pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2Certification of Christopher P. Sighinolfi pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1Certification of Robert S. McAnnally pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished only pursuant to Rule 13a-14(b)).
32.2Certification of Christopher P. Sighinolfi pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished only pursuant to Rule 13a-14(b)).
101.INSXBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCHXBRL Schema Document.
101.CALXBRL Calculation Linkbase Document.
101.LABXBRL Label Linkbase Document.
101.PREXBRL Presentation Linkbase Document.
101.DEFXBRL Extension Definition Linkbase Document.
104Cover Page Interactive Data File (embedded within the Inline XBRL document and contained in Exhibit 101).

Attached as Exhibit 101 to this Quarterly Report are the following XBRL-related documents: (i) Document and Entity Information; (ii) Consolidated Statements of Income for the three and nine months ended September 30, 2025 and 2024; (iii) Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2025 and 2024; (iv) Consolidated Balance Sheets at September 30, 2025 and December 31, 2024; (v) Consolidated Statements of Cash Flows for the nine months ended September 30, 2025 and 2024; (vi) Consolidated Statements of Equity for the three and nine months ended September 30, 2025 and 2024; and (vii) Notes to Consolidated Financial Statements.

We also make available on our website the Interactive Data Files submitted as Exhibit 101 to this Quarterly Report.

SIGNATURE

Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: November 4, 2025ONE Gas, Inc.
Registrant
By:/s/ Christopher P. Sighinolfi
Christopher P. Sighinolfi
Senior Vice President and
Chief Financial Officer
(Principal Financial Officer)
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.