================================================================================ 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): December 16, 2003 APACHE CORPORATION (Exact name of registrant as specified in Charter) DELAWARE 1-4300 41-0747868 (State or Other Jurisdiction (Commission (I.R.S. Employer of Incorporation) File Number) Identification Number) 2000 POST OAK BOULEVARD SUITE 100 HOUSTON, TEXAS 77056-4400 (Address of Principal Executive Offices) Registrant's telephone number, including area code: (713) 296-6000 ================================================================================ ITEM 5. OTHER EVENTS On December 16, 2003, Apache Corporation ("Apache") filed with the Delaware Secretary of State a Certificate of Elimination with respect to Apache's previously outstanding Series C Preferred Stock. On December 17, 2003, Apache filed with the Delaware Secretary of State an Agreement and Plan of Merger under which Apache Clearwater Operations, Inc., a Delaware corporation and a wholly owned subsidiary of Apache, was merged with and into Apache, effective as of December 31, 2003. On January 5, 2004, Apache filed with the Delaware Secretary of State a Certificate of Amendment to Apache's Restated Certificate of Incorporation providing for an increase in the number of authorized shares of Apache's common stock and reducing the par value thereof, all effective as of January 13, 2004. As previously announced, the Certificate of Amendment was approved by the holders of Apache's common stock at the special meeting of shareholders held on December 18, 2003. The Certificate of Elimination, the Agreement and Plan of Merger and the Certificate of Amendment are each listed under Item 7, as Exhibits 99.1, 99.2, and 99.3, respectively, and are incorporated herein by reference. Apache's Restated Certificate of Incorporation, dated December 16, 1999, was filed with the Delaware Secretary of State on December 17, 1999 and is incorporated herein by reference to Exhibit 99.1 to Apache's Current Report on Form 8-K, dated December 17, 1999. 1 ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (c) EXHIBITS. EXHIBIT NO. DESCRIPTION ----------- ----------- 99.1 Restated Certificate of Incorporation of Apache Corporation, dated December 16, 1999, as filed with the Delaware Secretary of State on December 17, 1999 (incorporated by reference to Exhibit 99.1 to Apache Corporation's Current Report on Form 8-K, dated December 17, 1999, SEC file no. 1-4300). 99.2* Certificate of Elimination of Series C Preferred Stock of Apache Corporation, dated December 16, 2003, as filed with the Delaware Secretary of State on December 16, 2003. 99.3* Agreement and Plan of Merger between Apache Corporation and Apache Clearwater Operations, Inc., dated December 16, 2003, as filed with the Delaware Secretary of State on December 17, 2003, effective December 31, 2003. 99.4* Certificate of Amendment of Restated Certificate of Incorporation of Apache Corporation, dated December 18, 2003, as filed with the Secretary of State of Delaware on January 5, 2004, to be effective January 13, 2004. ---------- * filed herewith 2 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. APACHE CORPORATION Date: January 8, 2004 /s/ Eric L. Harry -------------------------------------------- Eric L. Harry Vice President and Associate General Counsel 3 INDEX TO EXHIBITS EXHIBIT NO. DESCRIPTION ----------- ----------- 99.1 Restated Certificate of Incorporation of Apache Corporation, dated December 16, 1999, as filed with the Delaware Secretary of State on December 17, 1999 (incorporated by reference to Exhibit 99.1 to Apache Corporation's Current Report on Form 8-K, dated December 17, 1999, SEC file no. 1-4300). 99.2* Certificate of Elimination of Series C Preferred Stock of Apache Corporation, dated December 16, 2003, as filed with the Delaware Secretary of State on December 16, 2003. 99.3* Agreement and Plan of Merger between Apache Corporation and Apache Clearwater Operations, Inc., dated December 16, 2003, as filed with the Delaware Secretary of State on December 17, 2003, effective December 31, 2003. 99.4* Certificate of Amendment of Restated Certificate of Incorporation of Apache Corporation, dated December 18, 2003, as filed with the Secretary of State of Delaware on January 5, 2004, to be effective January 13, 2004. ---------- * filed herewith