Oceanagold Corporation · TSX:OGC

Oceanagold — Corporate Update (June 2011)

14 slides from Oceanagold's corporate update, Jun 15, 2011

  1. Slide 1: Didipio Project Update

    Didipio Project Update 15 June 2011

  2. Slide 2: Cautionary Note

    Cautionary Note Cautionary Notes The information contained in this presentation is provided by OceanaGold Corporation (“OGC”) for informational purposes only and does not constitute an offer to issue or arrange to issue, or the solicitation of an offer to issue, securities of OGC or other financial

  3. Slide 3: Didipio – Project Highlights

    Didipio – Project Highlights  Annual production (ave LOM) 100Koz Au (up 45%) + 14Kt Cu (up 69%)  Gold reserves increased by 19% to 1.68Moz  Copper reserves up 35% to 229Kt  Ore reserves 50.7Mt @ 1.03g/t Au and 0.45% Cu  Larger open pit to allow greater ore feed capacity  Additional plant capac

  4. Slide 4: 2011 Project Summary

    Didipio 2011 Project Summary Definitive Project Design Mine Life 16 years Project CAPEX US$185m Remaining CAPEX US$173m Project Commenced June 2011 Time to Completion Commissioning Q4 2012 Reserves 1.68 Moz Au + 229Kt Cu Mining Method Open Pit : Life of Mine (LOM) and Underground : SLOS2 from year 8

  5. Slide 5: Key Project Changes

    Didipio Key Project Changes Tailings Storage Mine Plan Process Plant Facility (TSF)  Larger open pit  Increased flotation  Increased TSF creating greater ore capacity through storage capacity supply capacity addition of flash from 30mt to 50mt  Smaller underground flotation  De-risked with defe

  6. Slide 6: Plant Design

    Didipio Plant Design Key Changes to Process Plant Design:  Capacity increased from 2.5Mtpa to 3.5Mtpa by end of 2014  Simplified “in line” layout to allow for future expansion  More grinding, flotation, and tailings capacity  Increase power supply capacity 6

  7. Slide 7: Reserves

    Didipio Reserves  Expansion of Open Pit: - Au reserves up 0.27Moz to 1.68Moz - Copper reserves up 60Kt to 229Kt  Additional inferred resources in open pit and underground designs that could enter reserve once upgraded RESERVE PROVEN PROBABLE PROVEN AND PROBABLE AREA Mt Au g/t Au Moz Cu % Cu Mt Mt

  8. Slide 8: Financial Summary

    Didipio Financial Summary  Total project CAPEX US$185m (from US$140m)  Total spend US$12m to 31 May 2011, CAPEX to completion US$173m  Increase in CAPEX due to modifications to drive increased throughputs  Expanded TSF capacity and related infrastructure  Addition of expert milling system  Inf

  9. Slide 9: Gold Production and OceanaGold Cash Cost Profile

    OceanaGold Cash Cost Profile 500 800 PH NZ Cash operating cost 700 400 600 Gold Production (Koz) 500 300 400 200 300 200 100 100 0 0 2011E 2012E 2013E* 2014E* 2015E* US$/oz OGC 2011E Q4 2010 global median OGC US$562 / oz 2013E* *Assumptions - Didipio first full year of production is 2013, using copp

  10. Slide 10: Culture of Sustainability & Community Engagement

    Culture of Sustainability & Community Engagement  Strong local community support for Didipio Project  Ongoing social and medical programs in northern Luzon  Some recent initiatives:  Phase II clean water infrastructure system completed  Sponsored two medical missions in May treating > 500 local

  11. Slide 11: Project – Current status

    Didipio Project – Current status  Contracts awarded for  All remaining plant major equipment supply  Power station supply  Construction camp accommodation  Operations village accommodation  Access road upgrade  General site works  All long lead time items purchased Construction commenced Jun

  12. Slide 12: Project Key Milestones

    Didipio Project Key Milestones 2011 2012 Q2 Q3 Q4 Q1 Q4 Infrastructure Construction First concrete Mining commences First ore in the mills construction camp pour for commenced completed process plant Plant Structural Commissioning Mechanical Piping complete contract commences TSF construction Commen

  13. Slide 13: OceanaGold – Innovation, Performance & Growth

    Qy OCEANAGOLD INNOVATION, PERFORMANCE & GROWTH

  14. Slide 14: Mineral Resources and Reserves

    Mineral Resources and Reserves RESOURCE MEASURED INDICATED MEASURED & INDICATED INFERRED RESOURCE AREA Mt Au g/t Au Moz Cu % Cu Mt Mt Au g/t Au Moz Cu % Cu Mt Mt Au g/t Au Moz Cu % Cu Mt Mt Au g/t Au Moz Cu % Cu Mt MACRAES TOTAL 27.16 1.36 1.18 . . 78.42 1.08 2.72 . 105.58 1.15 3.90 . . 37.6 1.1 1.3

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