WMB: Material agreement

Item 1.01. Entry Into Material Definitive Agreement. On September 10, 2026, The Williams Companies, Inc. (the “Company”) completed a registered offering (the “Offering”) of $500 million aggregate principal amount of its 5.000% Senior Notes due 2029 (the “2029 Notes”), $1.0 billion aggregate principal amount of its 5.600% Senior Notes due 2033 (the “2033 Notes”), $750 million aggregate principal amount of its 5.800% Senior Notes due 2036 (the “2036 Notes”) and $500 million aggregate principal amount of its 6.400% Senior Notes due 2056 (the “2056 Notes” and, together with the 2029 Notes, the 2033 Notes and the 2036 Notes, the “Notes”). The Offering has been registered under the Securities Act of 1933, as amended (the “Securities Act”), pursuant to a registration statement on Form S-3 (Registration No. 333-277232) of the Company (the “Registration Statement”) and the prospectus supplement dated September 8, 2026 and filed with the Securities and Exchange Commission pursuant to Rule 424(b) of the Securities Act on September 9, 2026 (the “Prospectus Supplement”). The Notes were issued pursuant to an Indenture (the “Base Indenture”), dated as of December 18, 2012, between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”), as supplemented by the Fourteenth Supplemental Indenture (the “Supplemental Indenture,” and together with the Base Indenture, the “Indenture”), dated as of September 10, 2026, between the Company and the Trustee. The Notes are each represented by a global security, the applicable forms of which are included as exhibits to the Supplemental Indenture. The 2029 Notes will pay interest semi-annually in cash in arrears on April 15 and October 15 of each year, beginning on April 15, 2027. The 2033 Notes, the 2036 Notes and