Exhibit 1 SOUTHERN PERU COPPER CORPORATION REGISTRATION RIGHTS AGREEMENT Dated as of March 31, 2005 TABLE OF CONTENTS THIS TABLE OF CONTENTS IS NOT PART OF THE AGREEMENT TO WHICH IT IS ATTACHED BUT IS INSERTED FOR CONVENIENCE ONLY.Registration Rights Agreement • April 8th, 2005 • Phelps Dodge Corp • Primary smelting & refining of nonferrous metals • New York
JOINT FILING AGREEMENTJoint Filing Agreement • April 8th, 2005 • Phelps Dodge Corp • Primary smelting & refining of nonferrous metals
Phelps Dodge Overseas Capital Corporation ("Phelps Dodge Overseas"), Climax Molybdenum B.V. ("Climax"), and Phelps Dodge Corporation ("PDC") hereby agree that the Amendment No. 2 to Schedule 13D to which this Joint Filing Agreement is attached as an exhibit is filed with the Securities and Exchange Commission on behalf of each of Phelps Dodge Overseas, Climax and PDC.
