X0306 4 2021-01-07 1 0001518832 WPX ENERGY, INC. WPX 0001292794 Kurz Karl F 3500 ONE WILLIAMS CENTER TULSA OK 74172 1 0 0 0 Common Stock 2021-01-07 4 D 0 87660 D 0 D Restricted Stock Units 2021-01-07 4 D 0 31009 D Common Stock 31009 0 D Includes 23,293 shares of restricted stock of WPX (as defined in footnote 2) subject to time-based vesting which were converted into awards denominated in shares of common stock of Devon (as defined in footnote 2) based on the Exchange Ratio (as defined in footnote 2) and which will vest in accordance with the terms and conditions governing the shares of restricted stock in effect immediately before the effective time (the "Effective Time") of the Merger (as defined in footnote 2). Pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among Devon Energy Corporation ("Devon"), WPX Energy, Inc. ("WPX"), and East Merger Sub, Inc. ("Merger Sub"), upon the Effective Time of the merger of Merger Sub into WPX (the "Merger") on January 7, 2021, each share of common stock of WPX was converted into the right to receive 0.5165 shares of Devon common stock (the "Exchange Ratio"). Represents restricted stock units received as a result of the reporting person's elections to defer receipt of awards of restricted stock. These restricted stock units will vest upon the reporting person's Separation from Service (as defined in the WPX Energy Board of Directors Nonqualified Deferred Compensation Plan). These restricted stock units will vest upon the reporting person's Separation from Service (as defined in the WPX Energy Board of Directors Nonqualified Deferred Compensation Plan). Pursuant to the Merger Agreement, these WPX restricted stock units were converted to Devon restricted stock units based on the Exchange Ratio at the Effective Time. By Stephen E. Brilz, Attorney-in-Fact for Karl F. Kurz 2021-01-11