IGO Interactive Annual Report 2018

IGO TOTAL IGO TOTAL — MINERAL RESOURCES 30 June Project or Operation Mass (Mt) Grades estimates In situ metal estimates Ni Cu Co Zn Ag Au Ni Cu Co Zn Ag Au (%) (%) (%) (%) (g/t) (g/t) (kt) (kt) (kt) (kt) (Moz) (koz) 2017 Nova 11.4 2.4 1.0 0.08 - - - 271 113 9 - - - Long 1.2 4.6 - - - - - 54 - - - - - Tropicana Operation 30% 42.4 - - - - - 1.7 - - - - - 2,322 Jaguar 6.5 - 0.9 - 5.6 85 0.4 - 55 - 364 18 90 Stockman 14.0 - 2.1 - 4.3 38 1.0 - 287 - 599 17 437 30 June 2017 75.5 Grades for totals are not additive 325 455 9 963 35 2,849 2018 Nova 13.1 2.0 0.8 0.07 - - - 268 109 9 - - - Long 0.8 4.2 - - - - - 32 - - - - - Tropicana Operation 30% 41.9 - - - - - 1.62 - - - - - 2,187 Jaguar - - - - - - - - - - - - - Stockman - - - - - - - - - - - - - 30 June 2018 55.8 Grades for totals are not additive 300 109 9 - - 2,187 TABLE 1 — 30 June 2017 and 30 June 2018 IGO TOTAL — ORE RESERVES 30 June Project or Operation Mass (Mt) Grades estimates In situ metal estimates Ni Cu Co Zn Ag Au Ni Cu Co Zn Ag Au (%) (%) (%) (%) (g/t) (g/t) (kt) (kt) (kt) (kt) (Moz) (koz) 2017 Nova 13.3 2.06 0.83 0.07 - - - 274 110 9 - - - Long 0.2 3.64 - - - - - 6 - - - - - Tropicana Operation 30% 17.1 - - - - - 1.94 - - - - - 1,067 Jaguar 2.4 - 0.66 - 6.71 100 0.47 - 16 - 161 8 36 Stockman 9.0 - 2.10 - 4.53 39 1.08 - 189 - 408 11 311 30 June 2017 41.9 Grades for totals are not additive 280 315 9 568 19 1,414 2018 Nova 11.7 1.86 0.76 0.06 - - - 216 89 7 - - - Long - - - - - - - - - - - - - Tropicana Operation 30% 19.5 - - - - - 1.89 - - - - - 1,185 Jaguar - - - - - - - - - - - - - Stockman - - - - - - - - - - - - - 30 June 2018 31.2 Grades for totals are not additive 216 89 7 - - 1,185 TABLE 2 — 30 June 2017 and 30 June 2018 24 — IGO ANNUAL REPORT 2018