Material Agreement (Form 8-K)

On March 5, 2026, Valero Energy Corporation (the "Company") entered into an underwriting agreement (the "Underwriting Agreement") with SMBC Nikko Securities America, Inc., Citigroup Global Markets Inc., MUFG Securities Americas Inc. and Wells Fargo Securities, LLC, as representatives of the several underwriters named therein, relating to the issuance and sale of $850,000,000 aggregate principal amount of its 5.150% Senior Notes due 2036 (the "Notes"). The Notes are to be issued pursuant to an Indenture, dated March 10, 2015, between the Company and U.S. Bank Trust Company, National Association (as successor in interest to U.S. Bank National Association), as trustee (the "Indenture").

The offering of the Notes was registered under the Securities Act of 1933, as amended (the "Securities Act"), pursuant to the Registration Statement on Form S-3(Registration No. 333-284608)of the Company, and is being made pursuant to the prospectus dated January 30, 2025, as supplemented by the prospectus supplement dated March 5, 2026 (collectively, the "Prospectus"), filed with the Securities and Exchange Commission pursuant to Rule 424(b) of the Securities Act. The description of the Notes and the Indenture are set forth in the Prospectus and are incorporated herein by reference. The issuance and sale of the Notes is expected to close on March 10, 2026. The Underwriting Agreement, the Indenture, the terms of the Notes and the form of the Notes have been filed or incorporated by reference as Exhibits 1.1, 4.1, 4.2 and 4.3, respectively, hereto.

This Current Report is not an offer to sell or the solicitation of an offer to buy any securities issued in connection with the Notes offering, nor shall there be any sale of the securities issued in such offering in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. Such securities are being offered only by means of a prospectus, including a prospectus supplement relating to such securities, meeting the requirements of Section 10 of the Securities Act.