UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 25, 2004 Pioneer Natural Resources Company ---------------------------------------------------- (Exact name of Registrant as specified in its charter) Delaware 1-13245 75-2702753 ------------------------------ ------------ ------------------- (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 5205 N. O'Connor Blvd., Suite 900, Irving, Texas 75039 ------------------------------------------------ ----------- (Address of principal executive offices) (Zip Code) (972) 444-9001 -------------------------------------------------- Registrant's telephone number, including area code Not applicable ------------------------------------------------------------- (Former name or former address, if changed since last report) PIONEER NATURAL RESOURCES COMPANY TABLE OF CONTENTS Page Item 5. Other Events......................................... 3 Item 7. Financial Statements and Exhibits (c) Exhibits........................................ 3 Signature...................................................... 4 Exhibit Index.................................................. 5 2 PIONEER NATURAL RESOURCES COMPANY Item 5. Other Events On June 25, 2004, Pioneer Natural Resources Company issued a news release that is attached hereto as exhibit 99.1. In the news release, the Company announced that in connection with its previously announced offers to exchange any or all of three series of its outstanding senior notes for a new series of Senior Notes due 2016 and cash, it has increased the consideration offered to holders who validly tender their old notes, amended its consent solicitation for proposed amendments to certain of its supplemental indentures and amended certain other terms of the exchange offers. Item 7. Financial Statements and Exhibits (c) Exhibits 99.1 News Release dated June 25, 2004 3 PIONEER NATURAL RESOURCES COMPANY S I G N A T U R E Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. PIONEER NATURAL RESOURCES COMPANY Date: June 25, 2004 By: /s/ Richard P. Dealy ------------------------------------------- Richard P. Dealy Vice President and Chief Accounting Officer 4 PIONEER NATURAL RESOURCES COMPANY EXHIBIT INDEX Exhibit No. Description 99.1 (a) News Release dated June 25, 2004 ------------- (a) filed herewith 5