Power of Attorney for Devon Energy Corp.

This filing details a Power of Attorney granted by Thomas E. Jorden to Adam M. Vela, Marcus G. Bolinder, Christopher J. Kirt, and Edward T. Highberger. The attorneys-in-fact are authorized to act on behalf of Mr. Jorden concerning Devon Energy Corporation securities. Their responsibilities include submitting and filing necessary documents with the SEC via the EDGAR system, executing Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934, and performing any other actions deemed necessary or beneficial for Mr. Jorden. This Power of Attorney supersedes any previous agreements and remains in effect unless revoked in writing. The filing is dated May 7, 2026.