Item 6. Exhibits

Williams


Exhibit No.		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§	—	Amended 2024 Performance-Based Restricted Stock Unit Award between The Williams Companies, I nc. and Alan S. Armstrong (filed on March 26, 2026, as Exh ibit 10.1 to The Williams Companies, I nc.’s current report on Form 8-K (File No. 001-04174) and incorporated herein by reference).
10.2§	—	A mended Perfor m a nce-Based Restricted Stock Unit Agreement for awards granted as of February 2025 or later between The Wil liams Companies, Inc. and Alan S. Armstrong (filed on March 26, 2026 , as Exhibit 10.2 to Th e Williams Companies, Inc.’s Current Report on Form 8-K (File No. 001-04174 ) and incorporated herein by ref erence).
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.

Transco

The following instruments are included as exhibits to this report.


Exhibit No.						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.


Exhibit No.						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.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


			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)

May 4, 2026

Transcontinental Gas Pipe Line Company, LLC

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


			TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC
			(Registrant)

			/s/ Billeigh W. Mark
			Billeigh W. Mark
			Controller (Principal Accounting Officer)

May 4, 2026

Northwest Pipeline LLC

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


			NORTHWEST PIPELINE LLC
			(Registrant)

			/s/ Billeigh W. Mark
			Billeigh W. Mark
			Controller (Principal Accounting Officer)

May 4, 2026

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