Item 16. Form 10-K Summary

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Item 16. Form 10-K Summary

Not applicable.

The Williams Companies, Inc.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) 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)
By:/s/ MARY A. HAUSMAN
Mary A. Hausman Vice President, Chief Accounting Officer and Controller

Date: February 24, 2026

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

SignatureTitleDate
/s/ CHAD J. ZAMARINPresident, Chief Executive Officer and DirectorFebruary 24, 2026
Chad J. Zamarin(Principal Executive Officer)
/s/ JOHN D. PORTERExecutive Vice President and Chief Financial OfficerFebruary 24, 2026
John D. Porter(Principal Financial Officer)
/s/ MARY A. HAUSMANVice President, Chief Accounting Officer and ControllerFebruary 24, 2026
Mary A. Hausman(Principal Accounting Officer)
/s/ ALAN S. ARMSTRONGExecutive Chairman of the BoardFebruary 24, 2026
Alan S. Armstrong
/s/ STEPHEN W. BERGSTROMLead Independent DirectorFebruary 24, 2026
Stephen W. Bergstrom
/s/ MICHAEL A. CREELDirectorFebruary 24, 2026
Michael A. Creel
/s/ STACEY H. DORÉDirectorFebruary 24, 2026
Stacey H. Doré
/s/ CARRI A. LOCKHARTDirectorFebruary 24, 2026
Carri A. Lockhart
/s/ RICHARD E. MUNCRIEFDirectorFebruary 24, 2026
Richard E. Muncrief
/s/ PETER A. RAGAUSSDirectorFebruary 24, 2026
Peter A. Ragauss
SignatureTitleDate
/s/ ROSE M. ROBESONDirectorFebruary 24, 2026
Rose M. Robeson
/s/ SCOTT D. SHEFFIELDDirectorFebruary 24, 2026
Scott D. Sheffield
/s/ WILLIAM H. SPENCEDirectorFebruary 24, 2026
William H. Spence
/s/ JESSE J. TYSONDirectorFebruary 24, 2026
Jesse J. Tyson

Transcontinental Gas Pipe Line Company, LLC

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) 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)
By:/s/ BILLEIGH W. MARK
Billeigh W. Mark Controller

Date: February 24, 2026

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

SignatureTitleDate
/s/ CHAD A. TEPLYManagement Committee Member and Senior Vice PresidentFebruary 24, 2026
Chad A. Teply(Principal Executive Officer)
/s/ MARY A. HAUSMANVice President and Chief Accounting OfficerFebruary 24, 2026
Mary A. Hausman(Principal Financial Officer)
/s/ BILLEIGH W. MARKControllerFebruary 24, 2026
Billeigh W. Mark(Principal Accounting Officer)

Northwest Pipeline LLC

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) 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)
By:/s/ BILLEIGH W. MARK
Billeigh W. Mark Controller

Date: February 24, 2026

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

SignatureTitleDate
/s/ CHAD A. TEPLYManagement Committee Member and Senior Vice PresidentFebruary 24, 2026
Chad A. Teply(Principal Executive Officer)
/s/ MARY A. HAUSMANVice President and Chief Accounting OfficerFebruary 24, 2026
Mary A. Hausman(Principal Financial Officer)
/s/ BILLEIGH W. MARKControllerFebruary 24, 2026
Billeigh W. Mark(Principal Accounting Officer)

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