| COMPANIA CONTRACTUAL MINERA CANDELARIA | Other | Track | 80% | Through the acquisition of Phelps Dodge in Mar/07. Hold 80% interest in Compania Contractual Minera Candelaria | March 31, 2007 |
| COMPANIA CONTRACTUAL MINERA OJOS DEL SALADO | Other | Track | 80% | Through the acquisition of Phelps Dodge in Mar/07. Hold 80% interest in Compania Contractual Minera Ojos del Salado. | March 31, 2007 |
| PT FREEPORT INDONESIA CO | Other | Misc | 81.2% | Owns a direct 81.28% interest, and a further 4.59% through PT Indocopper Investama Corporation, for a total of 85.87% interest. | December 31, 1998 |
| PT INDOCOPPER INVESTAMA CORPORATION | Other | Misc | 49% | Holds a direct 49% interest. Remaining 51% interest is held by PT Nusantra Ampera Bakti, which is controlled by friends of former Pres. Suharto. | December 31, 1998 |
| PT IRJA EASTERN MINERALS CORPORATION | Other | Misc | 90% | Holds a 90% direct interest, and an additional 4.9% interest through ownership in PT Indocopper Investama Corp. | December 31, 1998 |
| SOCIEDAD CONTRACTUAL MINERA EL ABRA | Other | Track | 51% | Through the acquisition of Phelps Dodge in Mar/07. PD owned interest in the property through its 51% interest in SCM El Abra. | March 31, 2007 |
| SOCIEDAD MINERA CERRO VERDE S.A.A. | Public | Track | 53.6% | After acquisition of Phelps Dodge Corp (Mar´07) and through Cyprus Climax Metals Company. | February 13, 2008 |