CVR ENERGY, INC.

Item 8.01. Other Events. As previously reported in the Current Report on Form 8-K filed by CVR Energy, Inc. (the “Company”) with the Securities and Exchange Commission (the “SEC”) on November 3, 2026, the Company entered into a definitive agreement with subsidiaries and affiliates of Marathon Petroleum Corporation (“Marathon”) under which CVR Energy will acquire Marathon’s Saint Paul Park, Minnesota and Mandan, North Dakota refineries, along with Marathon’s related marketing business (the “Acquisition”). This Current Report on Form 8-K is being filed to provide the following documents for purposes of incorporating them by reference into one or more documents the Company intends to file with the SEC: Combined financial statements of The Mandan and Saint Paul Park Refining Business of Marathon Petroleum Corporation, consisting of the combined balance sheets as of December 31, 2025 and 2024 and the related combined statements of income (loss), of cash flows and of changes in net parent investment for the years then ended, together with the notes thereto and the report of PricewaterhouseCoopers LLP, independent auditors, dated September 14, 2026 (Exhibit 99.1). Unaudited condensed combined financial statements of The Mandan and Saint Paul Park Refining Business of Marathon Petroleum Corporation, consisting of the unaudited condensed combined balance sheet as of September 30, 2026, the unaudited condensed combined balance sheet as of December 31, 2025 and the related unaudited condensed combined statements of income, of cash flows and of changes in net parent investment for the nine months ended September 30, 2026 and 2025, together with the note... Unaudited pro forma condensed combined financial information of the Company giving effect to the Acquisition and related financing transactions, consisting of the unaudited pro forma condensed combined balance sheet as of September 30, 2026 and the unaudited pro forma condensed combined statements of operations for the year ended December 31, 2025 and the nine months ended September 30, 2026 and 2025, together with the notes thereto (Exhibit 99.3). Consent of PricewaterhouseCoopers LLP (Exhibit 23.1). The documents listed above are filed as exhibits to this Current Report on Form 8-K and incorporated herein by reference. The unaudited pro forma condensed combined financial information is presented for illustrative purposes only and is not necessarily indicative of the financial position or results of operations that would have been achieved had the Acquisition and the related financing transactions occurred on the dates indicated or of the Company’s future financial position or results of operations. The Acquisition has not yet been consummated and remains subject to the satisfaction or waiver of certain closing conditions set forth in the acquisition agreement described above, including receipt of required regulatory approvals. No assurance can be given that the Acquisition or the related financing transactions will be consummated on the terms contemplated or at all.