DEVON ENERGY CORPDE

We are involved in various legal proceedings incidental to our business. However, to our knowledge as of the date of this report and subject to the environmental matters noted below, there were no material pending legal proceedings to which we are a party or to which any of our property is subject. For more information on our legal contingencies, see Note 18 in “Item 8. Financial Statements and Supplementary Data” of this report.

Environmental Matters

On April 7, 2020, WPX Energy, Inc., a wholly-owned subsidiary of the Company, received a notice of violation (“NOV”) from the EPA relating to specific historical air emission events occurring on the Fort Berthold Indian Reservation in North Dakota. On July 22, 2022, we received an updated NOV from the EPA relating to the same underlying events. On June 4, 2021, we received a NOV from the EPA relating to alleged air permit violations by WPX Energy Permian, LLC, a wholly-owned subsidiary of the Company, during 2020 in western Texas. On February 1, 2023, we received a notice of violation from the EPA relating to alleged air permit violations by WPX Energy Permian, LLC during 2020 in New Mexico. On June 1, 2023, we received a NOV from the EPA relating to alleged air permit violations by Devon Energy Production Company, L.P., a wholly-owned subsidiary of the Company, during 2020 and 2022 in New Mexico. The Company has been engaging with the EPA to resolve each of these matters, which remain ongoing, and management cannot predict their ultimate outcome; however, resolution of each of these matters may result in a fine or penalty in excess of $300,000. For more information on the North Dakota NOV matter with the EPA, see Note 18 in “Item 8. Financial Statements and Supplementary Data” of this report.

On March 5, 2024, we received a NOV from the New Mexico Environment Department (“NMED”) relating to alleged violations by WPX Energy Permian, LLC of certain notice, repair and facility design requirements under New Mexico environmental laws. On May 29, 2024, we received a NOV from the Oil Conservation Division of New Mexico relating to alleged reporting violations by Devon Energy Production Company, L.P. On February 10, 2025, CDM, a joint venture of the Company, received a NOV from the NMED relating to alleged air emission and reporting violations under New Mexico environmental laws. The Company and CDM have, as applicable, been engaging with the applicable New Mexico regulatory body to resolve each of these respective matters, which remain ongoing, and management cannot predict their ultimate outcome; however, resolution of each of these matters may result in a fine or penalty in excess of $300,000.