Operations Resume at Buenaventura's Uchucchacua Mine

Compania de Minas Buenaventura S.A.A.

announced today that operations resumed on April 25, 2011 at the Company's operating unit Uchucchacua after the conclusion of a road blockade that initially started as a strike on April 4, 2011. This stoppage was due to surrounding Oyon Community's demands for certain benefits despite the fact that on April 4, it was presented as a strike promoted by personnel from Uchucchacua contractors.