The Caserones Project October 2014 Mr. Héctor Sepúlveda O. Services Manager SCM Minera Lumina Copper Chile Project location Caserones • • • 575 km North of Santiago 162 km South-East of Copiapó 414 km south of Antofagasta • • 15 km from the Argentinean border 2,000 to 4,600 m above sea level Caserones Project Owners Extraction Method Production Capacity Design Capacity Sttafing Reserves • Pan Pacific Copper • Mitsui Trading 78% 22% • Open Pit • Concentrate Cu (110 kt a 150 kt/yr) • Concentrate Mo (3 kt/yr) • Cathodes (30 - 36 mil toneladas) • Concentrate Cu (105 kt/day) • Concentrate Mo (3 kt/yr) • SX/EW Plant: (30 kt/yr) • 10.000 – 20.000 contractors employee (construction phase) • 2,000 employee (operación phase – 500 own and 1,500 thirds). • 1.047 millions tons of sulfur ore with an average of 0,34% Cu, 126 ppm of Mo and 296 millions ton of leached ore with an average of 0,30% of Cut. Caserones Project Investment • US$ 4,2B. Exploitation life • 28 yrs. Water consumption • 518 lt/s. Construcción Period • 48 months, starting in April 2010. Start-up • SX/EW Plant: March 2013 • Concentrate Plan: July 2014 Project progress May 2006 PPC purchases the project Oct 21st 2008 EIS filed Jan 13th 2010 EIS Approval 2007 – 2008 Prefeasibility 2008 – 2009 Feasibility 2010 Construction begins 2012 Leaching started 2013 1st Copper Cathode 2014 Concentrator Start up 2033 End of cathode production 2040 End of concentrate production Tough climate and geography WIND TEMPERATURE 86 km/h - 18 ⁰C 14,14 ⁰C MAX 2013 MIN & MAX 2013 SNOW 380 cm TOTAL 2013 MINIMUM WIND CHILL (31|07|2011) - 40 ⁰C PLATAFORMA 4392 CURVA NEGRA Not even one flat m2 Construction history 2010 2012 2011 2013 Now 42 Mm3 earth movement 21,000 ton structural steel 200,000 m3 concrete 1,200 mechanical equipment 1,600 km electrical cable 282 km piping 85 millions of HH + 160 companies Process COPPER CATHODES DUMP LEACH MINE 4,000 masl 4,600 masl SX-EW PORT PRIMARY CRUSHER CONCENTRATOR WATER 3,900- 4,100 masl FLOTATION GRINDING MOLY PLANT MOLYBDENUM CONCENTRATE COPPER CONCENTRATE SLIMES DEPOSIT SANDS DEPOSIT 3,200 - 3,600 masl PORT 2,800 - 3,000 masl Mine Process LOADING BLASTING DRILLING TRANSPORT 24 330-ton Komatsu trucks OXIDES TO DUMP LEACH 2 electrical 73-yd3 shovels 1 hydraulic 56-yd3 shovel 3 33-yd3 front loaders 3 drilling machines WASTE TO DUMP SULPHIDES TO CONCENTRATOR Dump Leach • Initial Area = 1 million m2 • Final Area = 2 million m2 • Lined surface • Irrigation rate: 2000 m3/hr • Ore Capacity: 300 million tons • 20 to 40 m benches SX-EW Plant (Outotec) First Cathode March 13th, 2013 Primary Crusher - Concentrator Grinding - Flotation - Moly Plant - Tailings Tailings transport and disposal Slimes dam 470 Mm3 Rapid Borrow wall 108 Mm3 HDPE 800 mm pipeline 3.6 km long Tunnel 4.5 x 4.5 section Sand deposit 360 Mm3 First Ton to SAG Mill April 17th, 2014 First Concentrate Shipment July 16th, 2014 July 29th, 2014 Mission What we want to achieve .... Secure stable copper / moly supply, creating sustainable value for our owners and stakeholders: 3,4 mtf Copper in concentrate 449 ktf Copper cathodes 95 kt Molybdenum Final Remarks It´s been eight years of an on-going effort in an environment of extreme conditions with thousands of people working with a common objective: To design and built the Caserones project according to the highest social, environmental, safety, engineering and construction standards. It is an endeavour committed to a long term relationship with our stakeholders community, workers, suppliers, contractors and owners - with reserves that will allow us to produce copper and molybdenum for at least 28 years through an efficient and sustainable operation. Successful transfer of a high altitude wetland THANKS
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