Measured by reserves SCC is the world's largest publicly traded copper mining company; and the world's seventh largest copper mining company based on our 2007 sales. Also, we are the eigth largest copper smelting company. We are also among the world´s largest producers of molybdenum, silver and zinc.

All of our mining operations are located in Peru and Mexico and we conduct exploration activities in Peru, Mexico and Chile. We own and operate the following mines and metallurgical complexes:

Four Open-Pit Copper Mines

- Cuajone and Toquepala, located in southern Peru, produced 359,655 tons of copper in 2007 (182,117 tons at Cuajone and 177,538 tons at Toquepala).

- Cananea, located in northern Mexico, produced 98,503 tons of copper in 2007. It is among the world's largest copper mines in terms of reserves, and has the longest remaining mine life of any major open-pit copper mine in the world, based on current production levels.

- La Caridad, located in northern Mexico, produced 124,972 tons of copper in 2007.

Three Metallurgical Processing Complexes

- Ilo complex, located in southern Peru, comprises a modern copper smelter and a copper refinery; both of them, among the world´s largest copper processing plants, a precious metal refinery and two sulfuric acid plant.

- La Caridad complex, located in northern Mexico, is a modern metallurgical facility that includes one of the world's largest copper smelters and one of the largest copper refineries; a precious metal refinery, a copper rod manufacturing plant and a sulfuric acid plant.

- San Luis de Potosí complex, located in central Mexico, comprises an electrolytic zinc refinery, a copper smelter and a sulfuric acid plant.

Underground Mines and Related Processing Facilities

- We own and operate five underground mines that produce various metals such as zinc, copper, silver and gold; as well as a coal mine and related production facilities, all of which are located in Mexico.

For the year 2007, SCC had net sales of US$6,086 million and net earnings of US$2,216 million. We produced 592,183 tons of copper, 16,208 tons of molybdenum, 15.2 million ounces of silver and 121,013 tons of zinc in 2007, approximately 59% of which was sold outside of Latin America.