UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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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): May 25, 2006
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PIONEER NATURAL RESOURCES COMPANY
(Exact name of registrant as specified in its charter)
Delaware 1-13245 75-2702753
(State or other (Commission File Number) (I.R.S. Employer
jurisdiction of incorporation) Identification
Number)
5205 N. O'Connor Blvd. 75039
Suite 900 (Zip code)
Irving, Texas
(Address of principal
executive offices)
Registrant's telephone number, including area code: (972) 444-9001
Not applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the Registrant under any of the
following provisions:
[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))
[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))
Item 7.01. Regulation FD Disclosure.
Pioneer Natural Resources Company (the "Company") filed as exhibits to its
Form 10-K for the year ended December 31, 2005 the certifications required under
section 302 of the Sarbanes-Oxley Act of 2002. Pursuant to the New York Stock
Exchange ("NYSE") Listed Company Manual, the foregoing disclosure was required
to be made in the Company's annual report to shareholders but was inadvertently
omitted. This filing is being made at the request of the NYSE to remedy such
omission.
SIGNATURE
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
/s/ Darin G. Holderness
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Darin G. Holderness
Vice President and Chief Accounting Officer
Dated: May 25, 2006