Independence Group Sustainability Report 2019

FY19 WATER DISCHARGE DESTINATIONS AT THE NOVA OPERATION (MEGALITRES) FRESHWATER (≤1,000 MG/L TOTAL DISSOLVED SOLIDS) OTHER WATER (>1,000 MG/L TOTAL DISSOLVED SOLIDS) TOTAL Water to licensed irrigation area 21.78 0 21.78 Total 21.78 0 21.78 FY19 TOTAL MATERIALS USED NON RENEWABLE RENEWABLE Explosives (tonnes) 1,162 Cement (tonnes) 12,692 Processing Reagents (tonnes) 5,204 Lubricants and oils (kilolitres) 1 280.72 Grinding media steel (tonnes) 2 2,516 Diesel used (kilolitres) 27,236 Electricity used (Megawatt hours) 89,700 Gas used (gigajoules) 0 Total water consumption (megalitres) 1,733.40 1. Calculated from the Australian National Greenhouse and Energy Reporting (NGER) incidental summary and includes lubricating oil, non-lubricant fluid oils and grease. 2. Grinding media includes 125mm and 52mm steel mill balls. FY19 ENVIRONMENT PROFILE AT THE TROPICANA OPERATION FY19 Total energy use (gigajoules) 5,513,910 Total land disturbance (hectares) 3,380.27 Land newly disturbed during FY19 (hectares) 87.2 Land newly rehabilitated during FY19 (hectares) 48.48 Total rehabilitation activities (hectares) 272.9 Total water consumption (megalitres) 6,026.19 Total water withdrawal (megalitres) 6,310.79 Total water discharge (megalitres) 284.59 Waste rock (tonnes) 75,869,669 Tailings (dry tonnes) 8,225,546 Materials to on-site landfill (tonnes) 9,795.77 Materials to off-site landfill (tonnes) 0 80 — IGO SUSTAINABILITY REPORT 2019 PERFORMANCE DATA