1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A1 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 23, 2000 (February 8, 2000) PRIZE ENERGY CORP. - -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Delaware 001-14575 75-2766114 - ------------------ --------------------- ---------------------- (State or other (Commission File (IRS Employer jurisdiction of Number) Identification No.) incorporation) 3500 William D. Tate, Suite 200, Grapevine, Texas 76051 - ------------------------------------------------- ------------ (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (817) 424-0400 ----------------------------- Vista Energy Resources, Inc., 550 West Texas Avenue, Suite 700, Midland, Texas 79701 - -------------------------------------------------------------------------------- (Former name or former address, if changed since last report) 2 Item 7. Financial Statements and Exhibits. (c) Exhibits. The following exhibit is filed herewith: 16. Letter regarding Change in Certifying Accountant from Arthur Andersen LLP, dated February 22, 2000, pursuant to Item 4 as previously reported on the Registrant's Form 8-K dated February 8, 2000. 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 hereunto duly authorized. PRIZE ENERGY CORP. Date: February 23, 2000 By: /s/ Lon C. Kile ---------------------------- Lon C. Kile President -2- 3 EXHIBIT INDEX The following exhibit is filed herewith: Exhibit Number Description ------ ----------- 16 Letter regarding Change in Certifying Accountant from Arthur Andersen LLP, dated February 22, 2000, pursuant to Item 4 as previously reported on the Registrant's Form 8-K dated February 8, 2000.