Filed by Newfield Exploration Company pursuant to Rules 165 and 425 under the Securities Act of 1933, as amended Subject Company: Newfield Exploration Company Registration Statement Number: 333-91014 EEX CORPORATION 2500 CITYWEST BOULEVARD, SUITE 1400 HOUSTON, TEXAS 77042 October 30, 2002 Dear Fellow Shareholder: We have previously sent to you proxy material for the Special Meeting of Shareholders of EEX Corporation, to be held on November 26, 2002. YOUR BOARD OF DIRECTORS HAS RECOMMENDED THAT SHAREHOLDERS VOTE IN FAVOR OF THE PROPOSED MERGER WITH NEWFIELD EXPLORATION COMPANY. Since approval of the merger requires the affirmative vote of two-thirds of the votes entitled to be cast at the Meeting, YOUR VOTE IS IMPORTANT, no matter how many or how few shares you may own. Whether or not you have already done so, PLEASE VOTE TODAY BY TELEPHONE, VIA THE INTERNET, OR BY SIGNING, DATING AND RETURNING THE ENCLOSED PROXY CARD IN THE ENVELOPE PROVIDED. Very truly yours, Thomas M Hamilton Chairman and President, Chief Executive Officer ================================================================== IMPORTANT NOTE: REMEMBER, YOU CAN NOW VOTE BY TELEPHONE OR VIA THE INTERNET -- SIMPLY FOLLOW THE EASY INSTRUCTIONS ON THE ENCLOSED PROXY OR VOTING INSTRUCTION CARD. If you have any questions, or need assistance in voting your shares, please call our proxy solicitor, INNISFREE M&A INCORPORATED TOLL-FREE, AT 1-888-750-5835 ================================================================== NEWFIELD HAS FILED A REGISTRATION STATEMENT ON FORM S-4 AND OTHER RELEVANT DOCUMENTS WITH THE SECURITIES AND EXCHANGE COMMISSION CONCERNING THE MERGER, AND EEX HAS MAILED THE PROXY STATEMENT/PROSPECTUS CONTAINED THEREIN TO ITS SHAREHOLDERS IN CONNECTION WITH THE MERGER. EEX SHAREHOLDERS ARE URGED TO READ THE PROXY STATEMENT/PROSPECTUS CAREFULLY BECAUSE IT CONTAINS IMPORTANT INFORMATION ABOUT NEWFIELD, EEX AND THE MERGER. EEX SHAREHOLDERS MAY OBTAIN FREE COPIES OF THE PROXY STATEMENT/PROSPECTUS AND OTHER RELEVANT DOCUMENTS THROUGH THE WEBSITE MAINTAINED BY THE SEC AT www.sec.gov. EEX SHAREHOLDERS MAY ALSO OBTAIN FREE COPIES OF THESE DOCUMENTS FROM NEWFIELD BY DIRECTING A REQUEST TO NEWFIELD EXPLORATION COMPANY AT 363 N. SAM HOUSTON PKWY. E., SUITE 2020, HOUSTON, TEXAS 77060 OR FROM EEX BY DIRECTING A REQUEST TO EEX CORPORATION AT 2500 CITYWEST BOULEVARD, SUITE 1400, HOUSTON, TEXAS 77042.