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): July 12, 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 July 12, 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 it has received and will accept tenders to exchange $526,875,000 in principal amount of three series of its outstanding senior notes for a like principal amount of a new series of 5.875% Senior Notes due 2016 and cash. Item 7. Financial Statements and Exhibits (c) Exhibits 99.1 News Release dated July 12, 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: July 12, 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 July 12, 2004 ------------- (a) filed herewith 5