March 21, 2012 Compania Minera Santa Luisa S.A. released its Annual report.
December 31, 2011 During 2010, the company realized investment for US$1,855.16 mil, mainly on the acquisition of new assets.
December 31, 2011 On 2011, Minerals on Huanzala mine, overcoat located on the upper part of the mine have a tendency of to have a high lead grade, meanwhile, minerals located on lower part have a tendency of higher copper grade and lower lead grade, reason why the company was working on the deepening process of the mine following significant increments on extraction percentage of copper minerals.