The initiative of transferring the property of the Ventanas smelter from Enami to Codelco was agreed upon by Government authorities with both companies and its unions, requiring the enactment of Law 19.993 allowing the transfer.

The Ventanas division is located in Ventanas, Puchuncaví district, 164 kilometers from Santiago and 50 kilometers from Viña del Mar, in the northern sector of the Valparaíso province.

Ventanas’ 2006 production reached 376,005 metric tons of electrolytic copper. At the same time, due to the processing of anodic sludge in the metals plant refinery, 150,952 kilograms of silver and 5,649 kilograms of gold were obtained, while the acid plant produced 351,537 tons of sulfuric acid.

Ventanas’ concentrate production capacity averaged 445 thousand dry metric tons for the year 2006.