DVN: Material agreement · New financial obligation · Other company developments

Item 1.01 Entry into a Material Definitive Agreement. The information set forth in Item 8.01 of this Current Report on Form 8-K under the heading “Devon Third Supplemental Indenture and New Devon Notes” is incorporated by reference into this Item 1.01. Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth in Item 8.01 of this Current Report on Form 8-K under the heading “Devon Third Supplemental Indenture and New Devon Notes” is incorporated by reference into this Item 2.03. Item 8.01 Other Events. Exchange Offers and Consent Solicitations On June 25, 2026, Devon Energy Corporation (“Devon”) completed the settlement (the “Settlement”) of Existing Coterra Notes (as defined below) as part of its previously announced private offers to eligible holders to exchange (each, an “Exchange Offer” and, collectively, the “Exchange Offers”) any and all outstanding notes issued by Coterra Energy Inc., a wholly owned subsidiary of Devon (“Coterra”), as set forth in the table below (the “Existing Coterra Notes”) for (1) new notes issued by Devon and (2) cash. The Exchange Offers and related previously completed consent solicitations were made pursuant to the terms and subject to the conditions set forth in the offering memorandum and consent solicitation statement dated as of May 22, 2026 (as amended by the press release issued on June 8, 2026). The Exchange Offers were not registered under the Securities Act of 1933, as amended (the “Securities Act”), or any state or foreign securities laws. The Existing Coterra Notes accepted in the Exchange Offers were retired and canceled and will not be reissued. Following such cancellation, the aggregate principal amounts of the Existing Coterra Notes