IGO SUSTAINABILITY REPORT 2020

FY20 Regional distribution of workforce LOCATION EMPLOYEES FEMALE MALE Western Australia 346 86 260 Northern Territory 1 0 1 New South Wales 5 1 4 Queensland 2 0 2 Tasmania 2 1 1 Victoria 8 0 8 Total 364 88 276 FY20 Employee hiring rate and turnover GENDER AGE GROUPS FEMALE MALE UNDER 30 30-50 OVER 50 Employee hiring rate (percentage) 24% 76% 42% 51% 7% Employee turnover (percentage) 1 38% 62% 43% 38% 19% 1. Rolling 12-month employee turnover is 12 per cent. FY20 Parental leave profile EMPLOYEES FEMALE MALE Employees entitled to parental leave 1 227 24% 76% Employees that took parental leave during FY20 18 17% 83% Employees that returned to work during FY20 after parental leave ended 18 100% 100% Employees that returned to work after parental leave ended that were still employed 12 months after their return to work 16 2 33% 100% Return to work and retention rates of employees that took parental leave 100% 100% 100% 1. Total figures include all qualifying permanent part-time and full-time employees as at 30 June 2020. 2. Of the 18 employees that look parental leave in FY20, 16 have returned to work and 2 remain on parental leave. FY20 Employee training and performance reviews GENDER EMPLOYEE CATEGORY FEMALE MALE EXECUTIVE MANAGEMENT SENIOR MANAGEMENT REGULAR EMPLOYEES OPERATOR / TECHNICAL /TRADE APPRENTICE Total training hours recorded for employees during FY20 4,854 21,910 173 3,481 3,742 19,156 212 Employees receiving regular performance and career development reviews during FY20 100% 100% 100% 100% 100% 100% 100% 96 — IGO SUSTAINABILITY REPORT 2020 IGO SUSTAINABILITY REPORT 2020— 97 PERFORMANCE DATA ENVIRONMENT Operational environment profile FY20 FY19 Significant environmental incidents 0 0 Value of fines and prosecutions - environment ($) 0 0 DMIRS Improvement notices received - environment 0 0 DMIRS Prohibition notices received - environment 0 0 Total energy use (gigajoules) 1,251,396 1,386,454 Greenhouse gas emissions - Scope 1 (tonnes CO 2 equivalent) 63,179 73,963 Greenhouse gas emissions - Scope 2 (tonnes CO 2 equivalent) 173 130 Greenhouse gas emissions - Total (tonnes CO 2 equivalent) 63,352 74,093 Carbon monoxide (kilograms) 256,006 346,570 Sulphur dioxide (kilograms) 305 414 Oxides of nitrogen (kilograms) 570,528 769,029 Volatile organic compounds (kilograms) 24,138 37,437 Particulate (<PM10um) emissions (kilograms) 29,989 1,446,816 Particulate (<PM2.5um) emissions (kilograms) 29,258 41,649 Total water consumption (megalitres) 2,110.82 1,733.40 Total water withdrawal (megalitres) 1,332.43 1,198.82 Water recycled in process (megalitres) 43.11 21.78 Total water discharge (megalitres) 877.90 1,106.54 Waste rock (tonnes) 187,153 440,612 Tailings (dry tonnes) 1,293,793 1,443,449 Materials to on-site landfill (tonnes) 908.10 981.2 Materials recycled offsite (tonnes) 1,040.3 577.5 1 1. FY19 data only includes materials sent to offsite landfill. Primary sources of energy used (gigajoules) FY20 FY19 Diesel 1,208,670 1,374,247 Lubricating oil and grease 9,181 10,907 SWIS electricity sources 905 671 Unleaded gasoline 0 629 Solar 32,640 0 Total 1,251,396 1,386,454