The Mineral Reserves estimate at December 31, 2013 has been estimated utilizing the updated CSA Resource contained within the latest final pit design profile developed during 2013. The estimate is based on a copper equivalent cut-off grade of 0.46% CuEq, a copper price of $3.00/lb and gold price of $1200/oz.
This Mineral Reserve at 31st December 2013 has been delineated and verified by independent consulting Mining Engineer, Anthony Cameron of Cameron Mining Consulting Ltd. He is a qualified person and holds the following valid qualifications: BE (Mining), Grad Dip Bus, M Comm. Law, and FAusIMM.
The Mineral Resource estimate at December 31, 2013 uses a cut-off grade of 0.5% copper and excludes all current low grade stockpiled sulphide ore and all stockpiled oxide ore
This Mineral Resource estimate has been derived from the December 31, 2009 model that was developed by independent geologist Christopher Bargmann, formerly of the consulting group Snowden Pty Ltd based in London UK. Christopher Bargmann is a Qualified Person under NI 43-101 with the following valid qualifications: FGS (CGeol) MAusIMM and has verified the data. The model was updated by Galen White, Principal Resource Consultant with CSA Global (UK) Ltd. Galen White is a Qualified Person under NI 43-101; he holds the following valid qualifications: BSc(Hons), FAusIMM, FGS.