Orosur Mining Inc. · TSXV:OMI

Orosur Mining — Q2 2012 Earnings Presentation

13 slides from Orosur Mining's earnings presentation, Jan 12, 2012

  1. Slide 1: Q2 Results Presentation

    Latin America Focused Gold Mining And Exploration Q2 Results Presentation 12 January 2012 1 1

  2. Slide 2: Cautionary Statement

    Cautionary Statement This presentation contains certain information that constitutes forward-looking statements including the proposed acquisition of the Talca property, the completion of the proposed financing, future operating performance of Orosur Mining Inc. (the “Company” or “OMI”), realization

  3. Slide 3: Production and Cash costs

    Production and Cash costs • Delay in receiving production permission for Arenal Deeps • Short term impact is that production for quarter 2 was 11,916 oz: below expectations of 12,750 - 13,250 oz. • No impact on fiscal 2012 production forecast – remains unchanged at 57,500 to 60,000 ounces. • Cash op

  4. Slide 4: Financial Results Q2

    Financial Results Q2 Key Results Summary1 3-months Ended November 6-months Ended November 2011 2010 2011 2010 Operating Results Gold produced Ounces 11,916 12,576 24,404 25,513 Average cash cost US$/oz 1,007 778 975 789 Average price received US$/oz 1,717 1,332 1,663 1,268 Financial Results Revenue

  5. Slide 5: Pantanillo PEA

    Pantanillo PEA • PEA based on measured and indicated oxide and mixed resource defined in August 2010 of 45.9 million tonnes at a Au grade of .69 g/t for 1,023,000 ounces. • Independent study completed by AMEC • Demonstrates current Pantanillo Norte resource viable in its own right and demonstrates t

  6. Slide 6: Pantanillo PEA

    Pantanillo PEA Summary of Financial Parameters Unit Life of mine Gold Mineable Oz 000 686 Total Cash Cost US$/oz 581 Net Present Value @ 8% MUS$ 32.2 Discounted CAPEX MUS$ 167 Internal Rate of Return % 17 Gold Production Average Annual Ounces 96 Discount Rate Sensitivity Financial parameter Unit 0%

  7. Slide 7: Pantanillo Capital

    Pantanillo Capital ITEM Total (MUS$) • As PEA stage assumes a conservative combined 40% Mine fleet 34.5 engineering and contingency Primary crushing 9.0 Fine crushing 8.5 • No synergies assumed with other projects on intrastructure Conveying 4.7 Leaching 13.7 • Dump leach would reduce capex ADR / Re

  8. Slide 8: Gold Price Sensitivity

    Gold Price Sensitivity Gold Price USD/oz Financial parameter Unit 1000 1100 1200 1300 1500 1700 NPV @ 8 % MUS$ -33 0 32 64 129 194 Discounted Capex MUS$ 167 167 167 167 167 167 IRR % NA 10% 17% 22% 33% 43% Payback time month NA 72 45 35 28 24 Impact of Adding to reserves An order of magnitude calcul

  9. Slide 9: Pantanillo – Exploration

    Pantanillo – Exploration • Programme of mapping and low detection surface soil sampling with up to 2,000 samples to be collected over grids over 100 x 100m. • A 2,000 - 3,000 meter RC drill program planned to commence during Feb 2012. 9 9

  10. Slide 10: Pantanillo – Development Timing

    Pantanillo – Development Timing • PFS to be done in the second Half of Calendar 2012. • FS to be undertaken in the First Half of Calendar 2013 • Decision to Build in Q3 calendar 2013. • Detail Engineering Second Half of 2013 • Environmental Permitting to be granted until Dec 2013. • Construction sta

  11. Slide 11: Talca – First pass drilling

    Talca – First pass drilling Key targets drilled during the quarter 2 Niebla - vein in northwest sector with historical production 8 holes for 1,679 meters – Best result 2 meters at 2.5 g/t Metalera North – continuation of Metalera fault to north with minimal production 5 holes for 440 meters, no sig

  12. Slide 12: Talca – First pass drilling

    Talca – First pass drilling Results of drilling, structural interpretation, historical production records suggest that mineralisation is associated with foot wall veining rather than directly associated with the Metalera fault. Area of historical mineralisation of Metalera appears to be associated w

  13. Slide 13: Summary

    Summary 9 Minor delay in Arenal Deeps production permit, affecting production and cash costs in the quarter 9 Excellent progress in developing Arenal Deeps, provides confidence on future mine plan at San Gregorio 9 Production for the year expected to be on target at 57,500 to 60,000 ounces 9 Solid f

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