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DCR Minería y Construcción S.A.C.


Name of Mine, Production Facility or Transport Operation Signatory Ownership Position Name of Operating
Company
Operation
Address/Location
Certification    Intention? Additional Information or Comments Date of Certification Audit Documents
DCR Minería y Construcción S.A.C. 100% DCR Minería y Construcción S.A.C.

Av. Nicolás Arriola,
791 Lima 13, Peru

Yes Operations in Arequipa (south region of Peru)
PJ. Villa Independencia
s/n Int. B km2.5 Variante Uchumayo
Cerro Colorado
Arequipa, Peru
May 27, 2010 Summary Audit Report
Auditor Credential Form