Boseto Copper Project BFS Economics Update - Discovery Metals ...

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DateMilestoneCapital CostUS$Net Cash CostUS$/lbJun 08 Pre Feasibility Study (PFS) $185m $1.43/lbAug 08Bankable Feasibility Studycommenced (BFS)Jan 09 Economic Update (XPFS) $131m $1.06/lbSep 09 BFS Progress Update $150m $1.04/lbOct 09 toFeb 10Mar 10Late 11BFS Resource updatesBFS completeConcentrate productionSeptember 200910
Cost - Basis PFS XPFSDateBFS ProgressUpdateJul-08Jan-09Sep-09Mining ($/t mined) USD 2.50 USD 1.97 USD 1.66Includes Finance cost of 50 cents 30 cents 30 centsNet Mining ($/t mined) USD 2.00 USD 1.67 USD 1.36Plant & Grid Power ($/t ore) USD 9.00 USD 6.38 USD 6.55Site Admin ($/t ore) USD 2.00 USD 1.00 USD 1.54Average Total Site Costs ($/t ore) USD 26.64 USD 20.40 USD 24.25Smelting ($/t concentrate)USD 50.00USD 70.00USD 50.00& Refining (c/lb Cu)USD 0.05 USD 0.07 USD 0.05Concentrate transport ($/t con) USD 200 USD 110 USD 120Royalty Copper & Silver % 3% & 5% 3% & 5% 3% & 5%Corporate Allocation ($/t ore) USD 1.00 USD 1.00 USD 0.97Silver Revenue ($/oz USD 13.40 USD 12.30 USD 15.00Average Net Cash Costs ($/t ore) USD 33.12 USD 25.95 USD 28.64September 200911
Page 1 and 2: 6 October 2009ASX RELEASEBOSETO COP
Page 3 and 4: September 2009September 20091
Page 5 and 6: Since the publication of the Pre-Fe
Page 7 and 8: ‣ This is the third of four Boset
Page 9 and 10: 2 Million tonnes p.a. concentrator
Page 11: Capital has not been re-estimated b
Page 15 and 16: $1.50Industry Average Estimates$1.0
Page 17 and 18: Cost - US$/lb* 1 PFS XPFSBFS Progre
Page 19 and 20: USD millions200150100US$4.00/lbUS$3
Page 21 and 22: Opportunities PossibleExpand Boseto
Page 23 and 24: New power line from MaunPL 98/2005P
Page 25 and 26: Capital costs have not been updated
Page 27 and 28: GM OperationsDepartments Site Gabor
Page 29 and 30: Fleet Machine Number Annual HoursWA
Page 31 and 32: Oxide material (which is less than
Page 33 and 34: Recruitment,$0.10Support labour,$0.
Page 35 and 36: Contingency,$0.5Support labour,$0.4
Page 37 and 38: NamibiaBotswanaBoseto SiteGobabisWa
Page 39 and 40: Contingency,$0.5ConcentrateFreight,
Page 41 and 42: US$/lb3.50300 3.002.502.001.502011

Boseto Copper Project BFS Economics Update - Discovery Metals ...

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