1 =============================================================================== 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): February 13, 1998 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) DELAWARE 001-13245 75-2702753 (State or other jurisdiction of (Commission File Number) (IRS Employer incorporation) Identification No.) 1400 WILLIAMS SQUARE WEST 5205 NORTH O'CONNOR BLVD. IRVING, TEXAS 75039 (Address of principal executive (Zip code) offices) Registrant's telephone number, including area code: (972) 444-9001 NOT APPLICABLE (former name and former address, if changed since last report) =============================================================================== 2 ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (A) None (B) None (C) EXHIBITS 99.1 Share Purchase Agreement, dated February 13, 1998, among Pioneer Natural Resources Company, Trimac Corporation and 761795 Alberta Ltd. 99.2 Share Purchase Agreement, dated February 13, 1998, among Pioneer Natural Resources Company, 398215 Alberta Ltd. and Guy J. Turcotte. 3 SIGNATURES 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 thereunto duly authorized. PIONEER NATURAL RESOURCES COMPANY (Registrant) By: /s/ MARK L. WITHROW ---------------------------------------------- Name: Mark L. Withrow Title: Executive Vice President Date: February 23, 1998 4 INDEX TO EXHIBITS EXHIBIT NUMBER PAGE 99.1 Share Purchase Agreement, dated February 13, 1998, among Pioneer Natural Resources Company, Trimac Corporation and 761795 Alberta Ltd. 99.2 Share Purchase Agreement, dated February 13, 1998, among Pioneer Natural Resources Company, 398215 Alberta Ltd. and Guy J. Turcotte.