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 OCTOBER 7, 1999 Date of Report (Date of Earliest Event Reported) SOUTHERN PERU COPPER CORPORATION (Exact name of Registrant as specified in its charter) DELAWARE 1-140066 13-3849074 (State or Other Jurisdiction (Commission File (IRS Employer of Incorporation or Number) Identification No.) Organization) 180 MAIDEN LANE, NEW YORK, NEW YORK 10038 (Address of Principal Executive Office) (Zip Code) (212) 510-2000 (Registrant's telephone number, including area code) NOT APPLICABLE (Former Name or Former Address, if Changed Since Last Report) ITEM 5. OTHER EVENTS. On October 7, 1999, Southern Peru Copper Corporation in which ASARCO Incorporated is a 54.3% shareholder issued a press release relating to new mineralization at its Toquepala mine, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS. (c) Exhibits 99.1 Press Release of Southern Peru Copper Corporation, dated October 7, 1999. 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. SOUTHERN PERU COPPER CORPORATION By: /s/ Kevin Morano _________________________ Name: Kevin Morano Title: Vice President Date: October 7, 1999 EXHIBIT INDEX EXHIBIT NO. DESCRIPTION PAGE NO. 99.1 Press Release of Southern Peru Copper Corporation, dated October 7, 1999.