EXHIBIT 99.2 VOTING INSTRUCTIONS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OF DEVON ENERGY CORPORATION The undersigned holder of Exchangeable Shares of Northstar Energy Corporation hereby directs CIBC Mellon Trust Company (the "Trustee") to cast a number of votes equal to the number of Exchangeable Shares owned by the undersigned in accordance with the instructions indicated below at the Special Meeting of Stockholders (or any adjournment thereof) of Devon Energy Corporation to be held at Bank One Center, 100 North Broadway, Third Floor, Kirkpatrick Room, Oklahoma City, Oklahoma, on April 25, 2003, at 10:00 a.m., local time. The Board of Directors recommends a vote "FOR" each of the matters set forth below. PLEASE SIGN THIS CARD AND RETURN IT PROMPTLY IN THE ENCLOSED ENVELOPE. WHEN PROPERLY EXECUTED, THE TRUSTEE WILL CAST A NUMBER OF VOTES AT THE MEETING EQUAL TO THE NUMBER OF EXCHANGEABLE SHARES OF RECORD OWNED BY THE UNDERSIGNED IN THE MANNER SPECIFIED BELOW. IF NO INSTRUCTIONS ARE GIVEN, NO VOTES WILL BE CAST ON BEHALF OF THE UNDERSIGNED. 1. Approval of the issuance of Devon Energy Corporation common stock pursuant to the Agreement and Plan of Merger, dated as of February 23, 2003, by and among Devon Energy Corporation, Devon NewCo Corporation and Ocean Energy, Inc., as it may be amended from time to time. [ ] FOR [ ] AGAINST [ ] ABSTAIN 2. Adoption of the Devon Energy Corporation 2003 Long-Term Incentive Plan, subject to the consummation of the merger contemplated by the Agreement and Plan of Merger, dated as of February 23, 2003, by and among Devon Energy Corporation, Devon NewCo Corporation and Ocean Energy, Inc., as it may be amended from time to time. [ ] FOR [ ] AGAINST [ ] ABSTAIN MARK HERE IF YOU PLAN TO ATTEND THE MEETING [ ] MARK HERE FOR ADDRESS CHANGE AND NOTE AT LEFT [ ] Please sign exactly as your name appears at left, indicating your official position or representative capacity, if applicable. If shares are held jointly, each owner should sign. Signature: ------------------------------- Date ------------------------------- Signature: ------------------------------- Date -------------------------------