DVN: Company disclosure · Other company developments

Item 7.01 Regulation FD Disclosure. On May 21, 2026, Devon Energy Corporation, a Delaware corporation (“ Devon ”), issued a press release in connection with the acquisition described in Item 8.01 below. The information in Item 7.01 of this Current Report and in Exhibit 99.1 attached hereto is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information in Item 7.01 of this Current Report and in Exhibit 99.1 attached hereto shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in any such filing. Item 8.01 Other Events. On May 20, 2026, Devon completed the acquisition of 16,300 net undeveloped acres of Delaware Basin acreage in Lea and Eddy Counties, New Mexico, for approximately $2.6 billion, or approximately $161,500 per net acre, through the Bureau of Land Management Oil and Gas Lease Sale. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Exhibit Name 99.1 Press Release dated May 21, 2026. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document). 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 hereunto duly authorized. DEVON ENERGY CORPORATION By: /s/ Shannon E. Young III Shannon E. Young III Executive Vice President and Chief Financial Officer Date: May 21, 2026