NORTHWEST PIPELINE LLC
For the period ended Sep 30, 2025. Filed Nov 3, 2025.
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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 3, 2025
WMB$66.45+3.7%Stored close · as of Nov 9, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
See the whole filing, with its images and exhibitsContents
Item 6. Exhibits
| ExhibitNo. · Description | ||
|---|---|---|
| 3.1 | — | Amended and Restated Certificate of Incorporation (filed on May 26, 2010, as Exhibit 3.1 to The Williams Companies, Inc.’s current report on Form 8-K (File No. 001-04174) and incorporated herein by reference). |
| 3.2 | — | Certificate of Designations of Series B Preferred Stock of The Williams Companies, Inc. (filed on July 17, 2018, as Exhibit 3.1 to The Williams Companies, Inc.’s current report on Form 8-K (File No. 001-04174) and incorporated herein by reference). |
| 3.3 | — | Certificate of Amendment dated August 10, 2018 (filed on August 10, 2018, as Exhibit 3.1 to The Williams Companies, Inc.’s current report on Form 8-K (File No. 001-04174) and incorporated herein by reference). |
| 3.4 | — | By-laws of The Williams Companies, Inc., as last amended effective October 25, 2022 (filed on October 31, 2022, as Exhibit 3.4 to The Williams Companies, Inc.’s current report on Form 10-Q (File No. 001-04174) and incorporated herein by reference). |
| 10.1§*† | — | Retention Agreement dated July 14, 2025, between Williams WPC-I, LLC, and Robert Wingo. |
| 31.1* | — | Certification of the Chief Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities Exchange Act of 1934, as amended, and Item 601(b)(31) of Regulation S‑K, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 31.2* | — | Certification of the Chief Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities Exchange Act of 1934, as amended, and Item 601(b)(31) of Regulation S-K, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 32.1** | — | Certification of the Chief Executive Officer and the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
| 101.INS* | — | XBRL 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.SCH* | — | XBRL Taxonomy Extension Schema. |
| 101.CAL* | — | XBRL Taxonomy Extension Calculation Linkbase. |
| 101.DEF* | — | XBRL Taxonomy Extension Definition Linkbase. |
| 101.LAB* | — | XBRL Taxonomy Extension Label Linkbase. |
| 101.PRE* | — | XBRL Taxonomy Extension Presentation Linkbase. |
| 104* | — | Cover Page Interactive Data File. The cover page Interactive Data File does not appear in the Interactive Data File because its XBRL tags are embedded within the inline XBRL document (contained in Exhibit 101). |
| * | Filed herewith. |
|---|---|
| ** | Furnished herewith. |
| § | Management contract or compensatory plan or arrangement. |
| † | Personal Information redacted pursuant to Reg. S-K, Item 601(a)(6). |
Transco
The following instruments are included as exhibits to this report.
| ExhibitNo. | Description |
| 2 | Certificate of Conversion of Transcontinental Gas Pipeline Company, LLC dated December 22, 2008 and effective December 31, 2008 (filed on February 24, 2011 as Exhibit 2.1 to Transcontinental Gas Pipe Line Company, LLC’s annual report on Form 10-K (File No. 001-07584) and incorporated herein by reference). |
| 3.5 | Certificate of Formation of Transcontinental Gas Pipe Line Company, LLC dated December 22, 2008 and effective December 31, 2008 (filed on February 24, 2011 as Exhibit 3.1 to Transcontinental Gas Pipe Line Company, LLC’s annual report on Form 10-K (File No. 001-07584) and incorporated herein by reference). |
| 3.6 | Amended and Restated Operating Agreement of Transcontinental Gas Pipe Line Company, LLC dated February 17, 2010 (filed on October 28, 2010 as Exhibit 3.2 to Transcontinental Gas Pipe Line Company, LLC’s quarterly report on Form 10-Q (File No. 001-07584) and incorporated herein by reference). |
| 31.3* | Certification of Principal Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities Exchange Act of 1934, as amended, and Item 601(b)(31) of Regulation S-K, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 31.4* | Certification of Principal Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities Exchange Act of 1934, as amended, and Item 601(b)(31) of Regulation S-K, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 32.2** | Certification of Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
| 101.INS* | XBRL 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.SCH* | XBRL Taxonomy Extension Schema. |
| 101.CAL* | XBRL Taxonomy Extension Calculation Linkbase. |
| 101.DEF* | XBRL Taxonomy Extension Definition Linkbase. |
| 101.LAB* | XBRL Taxonomy Extension Label Linkbase. |
| 101.PRE* | XBRL Taxonomy Extension Presentation Linkbase. |
| 104* | Cover Page Interactive Data File. The cover page interactive data file does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document (contained in Exhibit 101). |
| * | Filed herewith. |
|---|---|
| ** | Furnished herewith. |
NWP
The following instruments are included as exhibits to this report.
| ExhibitNo. | Description |
| 2 | Certificate of Conversion of Northwest Pipeline GP (filed July 3, 2013 as Exhibit 2.1 to Transcontinental Gas Pipeline Company, LLC and Northwest Pipeline LLC current report on Form 8-K (File No. 001-07414) and incorporated herein by reference). |
| 3.7 | Certificate of Formation of Northwest Pipeline LLC (filed July 3, 2013 as Exhibit 2.2 to Transcontinental Gas Pipeline Company, LLC and Northwest Pipeline LLC current report on Form 8-K (File No. 001-07414) and incorporated herein by reference). |
| 3.8 | Operating Agreement of Northwest Pipeline LLC (filed July 3, 2013 as Exhibit 3.1 to Transcontinental Gas Pipeline Company, LLC and Northwest Pipeline LLC current report on Form 8-K (File No. 001-07414) and incorporated herein by reference). |
| 31.5* | Certification of Principal Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities Exchange Act of 1934, as amended and Item 601(b)(31) of Regulation S-K, as adopted pursuant to Section 302 of The Sarbanes-Oxley Act of 2002. |
| 31.6* | Certification of Principal Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities Exchange Act of 1934, as amended, and Item 601(b)(31) of Regulation S-K, as adopted pursuant to Section 302 of The Sarbanes-Oxley Act of 2002. |
| 32.3** | Certification of Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
| 101.INS* | XBRL 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.SCH* | XBRL Taxonomy Extension Schema. |
| 101.CAL* | XBRL Taxonomy Extension Calculation Linkbase. |
| 101.DEF* | XBRL Taxonomy Extension Definition Linkbase. |
| 101.LAB* | XBRL Taxonomy Extension Label Linkbase. |
| 101.PRE* | XBRL Taxonomy Extension Presentation Linkbase. |
| 104* | Cover Page Interactive Data File. The cover page interactive data file does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document (contained in Exhibit 101). |
| * | Filed herewith. |
|---|---|
| ** | Furnished herewith. |
THE WILLIAMS COMPANIES, INC.
(Registrant)
/s/ Mary A. Hausman
Mary A. Hausman
Vice President, Chief Accounting Officer and Controller (Duly Authorized Officer and Principal Accounting Officer)
TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC
(Registrant)
/s/ Billeigh W. Mark
Billeigh W. Mark
Controller(Principal Accounting Officer)
NORTHWEST PIPELINE LLC
(Registrant)
/s/ Billeigh W. Mark
Billeigh W. Mark
Controller(Principal Accounting Officer)
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.