Slide 1: Mt Rawdon
For personal use only Mt Rawdon May 2013 Mark Boon - General Manager
Slide 2: Disclaimer
Disclaimer For personal use only This presentation has been prepared by Evolution Mining Limited (“Evolution Mining”) and consists of slides for a presentation concerning the company. By reviewing/attending this presentation, you acknowledge and agree the following. This presentation includes fo
Slide 3: Location
For personal use only Location 3
Slide 4: Mt Rawdon
Mt Rawdon Consistent production since 2001 For personal use only Mine Type Open pit Workforce: approximately 270 including contractors Residential Minerals Gold and silver Rosters Mineralisation type Volcanic hosted 7/7 mill and mining crews 9/5 mine maintenance personnel Throughput 3.5M
Slide 5: History of consistent production
History of consistent production For personal use only Gold Produced (oz) 140,000 120,000 Guidance FY2013 95,000 - 110,000 100,000 Ounces Au (oz) 80,000 60,000 40,000 20,000 - FY2001 FY2002 FY2003 FY2004 FY2005 FY2006 FY2007 FY2008 FY2009 FY2010 FY2011 FY2012 FY2013 Year 5
Slide 6: Safety, Environment and Community
For personal use only Safety, Environment and Community
Slide 7: Mt Rawdon
Mt Rawdon For personal use only • LTIFR 1.47 (30 April) • Single Safety Management System Safety • Exceptional reporting culture • Safety leadership programme • Cyclone Oswald – pit now fully dewatered • Environmental impact monitoring Environment • Life of Mine Tailings Storage Facility strategy •
Slide 8: Exploration
For personal use only Exploration
Slide 9: Current lease holdings
Current lease holdings For personal use only Mt Rawdon deposit has a ~2.7Moz Au endowment Regionally under-explored 627km2 current lease holdings (EPMs and MLs) – increasing to 1,154km2 in FY14 FY14 focus: Mt Shamrock / Mt Ophir area Rawdon West and Rawdon South 9
Slide 10: Mt Rawdon geology
Mt Rawdon geology For personal use only A low grade, volcanic hosted, gold deposit Principal host rocks are Late Triassic multiphase dacite intrusives intruding dacite-rich volcaniclastics The volcanic sequence unconformably overlies a metasedimentary basement sequence (Curtis Island Group – C
Slide 11: Conceptual targets
Conceptual targets Target Mineralisation Age / Metallogeny For personal use only Middle to Late Triassic (245-200Ma) Reduced Intrusion Related Gold systems (RIR) Mt Rawdon Intrusions, dominantly rhyolitic, dacitic, trachyandesitic, granitic Alteration- albitic, phyllic and carbonate Exampl
Slide 12: Near mine
Near mine ■ Resource growth 94koz1 increase net of mining depletion For personal use only ■ compared to June 2012 Mt Rawdon schematic cross section ■ March quarter intercepts ■ MTRRCD23: 35m @24.2g/t Au from 322m including 23m @ 36.4g/t Au from 322m (uncut) ■ MTRRCD23-W1: 40m @ 2.63g/t Au from 326m
Slide 13: Resources and Reserves
For personal use only Resources and Reserves
Slide 14: Resource and Reserve update
Resource and Reserve update 94koz increase in Resources compared to June 2012 For personal use only 112koz increase in Reserves compared to June 2012 Notes: Data is reported to significant figures and differences may occur due to rounding. Mineral Resources are inclusive of Ore Reserves. Mt Rawd
Slide 15: Replacing mining depletion
Replacing mining depletion For personal use only 2001 to 31 March 2013: Mined 39.8Mt ore and 71.7Mt waste Milled 39.3 million tonnes of ore Produced 1.16Moz Au; 2.11Moz Ag 2000 Mt Rawdon 1500 Depletion Gold Reserves 1000 Gold (Koz) 500 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2
Slide 16: Mining
For personal use only Mining
Slide 17: Mt Rawdon open pit May 2013
For personal use only Mt Rawdon open pit May 2013 17
Slide 18: Mine performance Jul to Mar
Mine performance Jul 12 to Mar 13 For personal use only July 2012 to March 2013 Units Mt Rawdon OP capital waste kt 10,542 OP operating waste kt 1,476 OP ore mined kt 2,577 OP grade mined g/t 0.97 Total ore mined kt 2,577 Total tonnes processed kt 2,450 Grade processed g/t 0.98 Gold recovery % 91 Go
Slide 19: Mining equipment
Mining equipment For personal use only Trucks 5 x Terex Unit Rig (now CAT), 136t electric wheel drive 2 x CAT 785C, 136t mechanical drive 3 x Komatsu 785-5, 91t mechanical drive 4 x Komatsu 785-7, 91t mechanical drive 4 x CAT 777F, 91t mechanical drive Drills 2 x Dp 1500 3 x Dp 1500i Diggers 1 x Kom
Slide 20: Material Movement
Material Movement For personal use only Note: Material movements according to FY2013 Life of Mine Plan 20
Slide 21: Physicals and cost composition
Physicals and cost composition For personal use only Ore and Waste Mined Mining costs 6,000 2% 3% 1% 3% 5,000 13% Tonnes ’000 4,000 3,000 11% 2,000 1,000 0 67% Q1 (Sept 12) Q2 (Dec 12) Q3 (Mar 13) Q4 (Jun 13) Forecast Waste Ore Drilling Blasting Load and Haul Ground Control Dewatering Technical Prod
Slide 22: Improvements
Improvements For personal use only Geotechnical management of pit walls Site planning and engineering capabilities increased Contractor management improved, reducing non direct mining costs Efficiencies in grade control sampling made (reduced total sampling number) Able to delineate potent
Slide 23: Processing
For personal use only Processing
Slide 24: Process plant circuit
Process plant circuit For personal use only 24
Slide 25: Process equipment
Process equipment For personal use only Ergon Transmission Power Origin Power Supply 25 kwhr / t Two Stage Crushing Crushing EVN Loader feed plus direct tip 28’ x 13’ steel lined SAG Mill Grinding 42’6” x 14’ rubber lined Ball Mill Grind size 60% - 106um Knelson Concentrator Gravity Circuit 14% of g
Slide 26: Historical plant performance
Historical plant performance For personal use only Dry Tonnes Milled 4,000,000 3,500,000 3,000,000 2,500,000 Tonnes 2,000,000 1,500,000 1,000,000 500,000 0 FY2001 FY2002 FY2003 FY2004 FY2005 FY2006 FY2007 FY2008 FY2009 FY2010 FY2011 FY2012 Year 26
Slide 27: Historical plant performance
Historical plant performance Head Grade v Recovery For personal use only 1.13 1.14 1.08 1.09 94 1.05 1.06 1.00 1.00 1.00 1.02 0.97 0.95 92 0.88 0.80 91.0 90.7 90 % Recovery 90.3 Grade (g/t) 90.0 89.8 89.5 88.9 88 0.60 88.5 87.7 87.9 87.0 86 0.40 84 0.20 82.5 82 0.00 80 FY2001 FY2002 FY2003 FY2004 FY
Slide 28: Processing performance
Processing performance For personal use only July 12 to March 13 Mt Rawdon Processing costs - composition Plant throughput 2,450kt 2% Plant availability 91.84% 4% 11% 1% 27% Throughput rate 408tph Grade 8% 0.99g/t Gold recovery 6% 2% 91.45% 2% 15% Gold produced 70,924oz 1% 21% Silver produced 75,389
Slide 29: Improvements
Improvements For personal use only Consistently reduced cyanide consumption Addressed priority issues from plant structural audit Installation of second Knelson (April 2012) increasing gravity recovery to 14% and overall recovery by 1% Installing (June 2013) leach reactor into gravity circui
Slide 30: Future
For personal use only Future
Slide 31: Opportunities
Opportunities For personal use only Split proposed Stage 4 cutback into two (Stage 4 and Stage 5) Allowing access to ore beyond Stage 3 Reducing overall spend Move to larger diameter drill holes Reduced drill cost per tonne Potential to decrease grade control and explosive costs Increa
Slide 32: Competent Person Statement
Competent Person Statement For personal use only The information in this presentation that relates to exploration results, Mineral Resources or Ore Reserves listed in the table below is based on work compiled by the person whose name appears in the same row, who is employed on a full-time basis by t