Orosur Mining Inc. · TSXV:OMI

Orosur Mining — Investor Presentation (September 2010)

22 slides from Orosur Mining's investor presentation, September 2010

  1. Slide 1: Latin America Focused Gold Mining And Exploration

    Latin America Focused Gold Mining And Exploration David Fowler CEO & Director September 2010 1

  2. Slide 2: Cautionary Statement

    Cautionary Statement This presentation contains certain information that constitutes forward- looking statements. Forward-looking statements are frequently characterized by words such as "plan," "expect," "intend," "believe," "anticipate" and other similar words, or statements that certain events or

  3. Slide 3: Highlights

    Highlights Improved Producing Gold Mine - San Gregorio, Uruguay • Improved San Gregorio mine plan. • Arenal Deeps – higher grade mine life extension delivering 6 yrs @ 50 – 60 koz annual production and lower cash costs. • Forecast 55koz production for 2011. • Opportunity to further improve mine plan

  4. Slide 4: Corporate Overview

    Corporate Overview • OMI is a fully integrated gold Share Performance producer and exploration company C$0.60 400,000 identifying and developing gold C$0.55 350,000 projects in Latin America C$0.50 300,000 Volume (Shares) 250,000 • The Company operates the San C$0.45 Price 200,000 Gregorio gold mine

  5. Slide 5: Asset Portfolio

    Asset Portfolio Chile Uruguay • Pantanillo, Maricunga Belt • San Gregorio Gold Mine, • Anillo,125 km East of 400 km north of Guyana Antofagasta Suriname Montevideo Venezuela French Guiana • Incahuasi • Exploration portfolio Colombia Ecuador Anillo Brazil Peru Pantanillo Bolivia 1.05Moz MI&I Incahuas

  6. Slide 6: Country Information

    Country Information Economic Figures: Chile Uruguay GDP 2008 per head US$9,950 US$10,220 GDP 2009 growth -1.0% +1.9% GDP 2006 to 2008 average +5.2% + 7% Corruption perception index Lowest in Lat Am Lowest in Lat Am S&P Foreign Rating A+ BB - Inflation 2009 1.5% 7.1% Unemployment rate (2009) 9.1% 7.6

  7. Slide 7: Last Year: Evolution to a Growth Company

    Last Year: Evolution to a Growth Company • Completed drilling of Arenal Deeps underground deposit at San Gregorio, updated NI 43-101 resource • Acquired Fortune Valley Resources with high potential Pantanillo and Anillo gold projects • Completed drilling of Pantanillo Norte and published maiden reso

  8. Slide 8: Financial Results Fiscal 2010

    Financial Results Fiscal 2010 Summary of Results Fiscal Year Ended May 31 2010 2009 Operating Results Gold Produced Ounces 56,050 70,147 Grade processed () g/t Au 1.22 1.72 Average cash cost US$/oz 827 705 Average price received US$/oz 1,065 841 Financial Results Net income (loss) for the period US$

  9. Slide 9: San Gregorio Project

    San Gregorio Project  San Gregorio system has produced approximately 1Moz from open pits  1.4 mtpa processing plant with experienced workforce 9

  10. Slide 10: San Gregorio Reserves and Mine Plan

    San Gregorio Reserves and Mine Plan Ounces Grade Reserves 1 June 2009 289,500 1.39 Depletion due to mining (60,002) New open pit 79,288 New underground 37,000 Updated Reserves 345,786 1.51 • 2011 production target 55,000 ounces at $US 825 per ounce • Arenal Deeps feasibility study completed (143,000

  11. Slide 11: Arenal Deeps – Feasibility Study results

    Arenal Deeps – Feasibility Study results Summary of Financial Results LOM Gold Payable K Oz 135 Cumulative net cash flow $US Mill 26.3 Internal rate of return % 32.3 Net present value @ 7% $US Mill 16.4 Total LOM capital $ 24.7 Total cash costs $/oz 545 • No silver credit included • Opportunity to o

  12. Slide 12: Arenal Deeps – Implementation

    Arenal Deeps – Implementation • Decline access from bottom of open pit • Mining method – inclined room and pilar and long hole stopping • Contractor for development and initial mining, progressing to owner operator mining. Activity Timing Feasibility study Complete Environmental permit In progress C

  13. Slide 13: Pantanillo

    Pantanillo • Pantanillo project comprising 11,750 hectares optioned from Anglo American. • Located in the Maricunga Belt of Chile, hosts in excess of 60 million ounces of resources. • Bulk tonne, low grade deposit • Phase 1 drilling has defined a maiden resource at Pantanillo Norte • Planned 2011 ph

  14. Slide 14: Maiden Pantanillo Norte Resources

    Maiden Pantanillo Norte Resources Ore Cut-off Measured Indicated Measured & Indicated Type Au Grade Tonnage Au Grade Au Metal Tonnage Au Grade Au Metal Tonnage Au Grade Au Metal g/t Kt g/t oz Kt g/t oz Kt g/t oz Oxide 0.30 19,806 0.72 456,349 1,752 0.55 30,963 21,558 0.70 487,312 Mixed 0.30 16,011 0

  15. Slide 15: Pantanillo Norte Exploration

    Pantanillo Norte Exploration • High sulfidation ledge targets around existing open pit. • Additional porphry mineralisation around Pantanillo Norte and at Pantanillo Central. • Field work commencing on other targets in Oct 2010. • Three other known exploration targets at Pantanillo with geochemical

  16. Slide 16: Anillo

    Anillo • Project optioned from Codelco • 30,600 hectares, north and east of Yamana’s El Peñon gold-silver mine that produces in excess of 400,000 GEO per annum • Previous explorers Codelco, Utah, Billiton and Normandy • Targeting Au/Ag vein mineralization similar to El Peñon • Mapping, soil sampling

  17. Slide 17: Other Exploration Targets

    Other Exploration Targets Incahausi (Chile IOCG Belt) • High grade vein and porphry targets • Currently being mined at 20 g/t • Property being reviewed/targets developed Rocha (Uruguay) • Mapping sampling and geophysics have identified a number of high grade zones along a 2 km structure • No previou

  18. Slide 18: Other Assets

    Other Assets Strategy: Focus on gold; realise value from other assets • Iron Ore – Optioned Isla Cristalina Iron and Base Metals to Gladiator Resources. – Drilling has commenced – Initial metallurgy favourable – Pig Iron production using charcoal • Cinco Rios Diamond Joint Venture – Olivut Resources

  19. Slide 19: Resource Peer Group Positioning

    Resource Peer Group Positioning Peer Group Resource Metrics 7 $250 $226 6 $200 EV/oz Resource (US$/oz) MI&I Resources (Moz) 5 $150 4 $143 $132 $117 3 $100 $87 $81 2 $70 $68 $55 $51 $54 $50 1 $36 $30 $12 $12 $14 0 $0 na a do or C y s ut r n d p us t es e su on r an de ol ou lo G tu na m ac At un ig R

  20. Slide 20: Production Peer Group Positioning

    Production Peer Group Positioning Peer Group ’09 Production Metrics 120 $12,000 $11,173 100 $10,000 EV/oz '09 Production (US$/oz) $8,508 '09 Production (Koz) 80 $8,000 $6,365 60 $6,000 40 $4,048 $4,284 $4,000 $3,265 $3,382 $3,411 $2,781 $2,798 $2,364 $2,318 20 $1,792 $2,000 $830 $206 $357 0 $0 na a

  21. Slide 21: Summary

    Summary • Improved producing gold mine - San Gregorio, Uruguay. • New portfolio of Chilean exploration assets. • Strengthened management Team. • Generating positive cash flow. US$8.7M Cash with no debt. • Diversified South American growth focus. 21

  22. Slide 22: Appendix: Management and Board of Directors

    Appendix: Management and Board of Directors Mario Caron - Non-Executive Chairman Mario is a mining executive with over 30 years of experience in the mining industry including board and management expertise in operations, exploration, and capital markets as well as government relations, from projects

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