June 2017 KAMOA COPPER SA Kamoa Copper Project Environmental Impact Study Update PE n˚12873, 13025 & 13026 Submitted to: DPEM Kamoa Copper SA Report Number: 1653699-314788-3 Distribution: REPORT 1 x electronic copy Kamoa Copper SA 1 x electronic copy inMagic 1 x electronic copy project folder KAMOA COPPER EIS UPDATE Table of Contents 1.0 CHAPTER I: DEVELOPMENT OF THE ENVIRONMENTAL IMPACT STUDY AND THE PROJECT’S ENVIRONMENTAL MANAGEMENT PLAN .............................................................................................................. 1 1.1 Examination of the guidelines on the Environmental Impact Study .............................................................. 1 1.2 Compliance with the conditions for development of the Environmental Impact Study and the project’s Environmental Management Plan .................................................................................................. 1 1.3 Stages in the development of the Environmental Impact Study .................................................................... 1 2.0 CHAPTER I: PROJECT IDENTIFICATION DETAILS ............................................................................................... 3 2.1 Company responsible for exploiting the mine ............................................................................................... 3 2.2 Consultant Responsible for the Environmental Impact Study ....................................................................... 3 2.3 Exploitation Right .......................................................................................................................................... 3 2.4 Name of the Project ...................................................................................................................................... 4 2.5 Project location ............................................................................................................................................. 4 2.6 Land and Mining Rights on the Perimeter of the Exploitation Right .............................................................. 7 3.0 CHAPTER II - PROJECT DESCRIPTION ................................................................................................................. 9 3.1 Summary of the Project ................................................................................................................................ 9 3.1.1 Type and extent of the deposit to be exploited ........................................................................................ 9 3.1.2 Planned exploitation work ....................................................................................................................... 9 3.1.3 Specific developments ............................................................................................................................ 9 3.1.4 Exploitation methods to be used ........................................................................................................... 12 3.2 Mineralogy of the Deposit ........................................................................................................................... 14 3.2.1 Geological Setting and Mineralisation ................................................................................................... 15 3.3 Ore Extraction ............................................................................................................................................. 17 3.3.1 Mean and Nominal Extraction Capacity ................................................................................................ 17 3.3.2 Location of the extraction workings transcribed onto the topographical map at a scale of 1:20,000 ................................................................................................................................................ 17 3.3.3 Extraction methods being considered ................................................................................................... 17 3.3.4 Type and Number of Plant to be Utilised Including Explosives ............................................................. 18 3.3.4.1 Blasting Plan ...................................................................................................................................... 21 3.3.5 Volume of Overburden to be Moved and its Location ........................................................................... 21 3.4 Ore Processing Methods ............................................................................................................................ 22 3.5 Pumping Water ........................................................................................................................................... 22 3.5.1 Measures to Limit Dewatering ............................................................................................................... 22 June 2017 Report No. 1653699-314788-3 i KAMOA COPPER EIS UPDATE 3.5.2 Main contaminants likely to be present in the Pumping Water .............................................................. 23 3.5.3 Mean Daily volume and Flow Rates of the Pumping Water .................................................................. 23 3.5.4 Constituent parts of the system to dewater and keep the workings dry ................................................ 23 3.5.5 Use of the pumping water ..................................................................................................................... 24 3.5.6 Pumping water evacuation site ............................................................................................................. 24 3.6 Processing Plant ......................................................................................................................................... 24 3.6.1 Ore Receiving, Conveying, Stockpiling and Crushing ........................................................................... 24 3.6.1.1 Primary and Secondary Milling .......................................................................................................... 27 3.6.2 Mean Processing Capacity ................................................................................................................... 27 3.6.2.1 Quantitative Routing of the Soid, Liquid and Gaseous Phases ......................................................... 28 3.6.2.2 List and Technical Specifications ....................................................................................................... 28 3.6.2.3 Plans and Spcification for the Structures, Equipment and Instalations for storing Chemicals ........... 29 3.6.3 Cyanide Budget .................................................................................................................................... 29 3.6.4 Planned preventive and emergency measures. .................................................................................... 29 3.7 Final Effluent ............................................................................................................................................... 30 3.7.1 Methods for discharge ........................................................................................................................... 30 3.7.2 Location of discharge points ................................................................................................................. 30 3.8 Used Water ................................................................................................................................................. 31 3.9 Infrastructure and developments ................................................................................................................ 38 3.9.1 Electrical Infrastructure – Power ........................................................................................................... 39 3.9.2 Agricultural Areas .................................................................................................................................. 39 3.9.3 Resettlement Areas............................................................................................................................... 39 3.10 Ores and Concentrates ............................................................................................................................... 40 3.10.1 Ore Mineralogy ..................................................................................................................................... 40 3.10.2 Concentrate Mineralogy ........................................................................................................................ 44 3.10.2.1 Ore Stockpiles ................................................................................................................................... 44 3.11 Mine Waste ................................................................................................................................................. 45 3.12 Mine waste storage facility areas ................................................................................................................ 50 3.12.1 Location of waste storage facilities ....................................................................................................... 50 3.12.2 Waste Rock Dumps .............................................................................................................................. 50 3.12.3 Tailings Storage Facility 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