Reserves and Resources

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Summary Breakdown by assets

Mineral Resources and Ore Reserves as at 1 January 2021

Mineral Resources Tonnage, Mt GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Moz
Measured 14.8 4.0 1,639 23.558 3.6 1.9
Indicated 47.7 3.9 5,222 63.307 11.1 6,0
Measured + Indicated 62.5 3.9 6,861 86.866 14.6 7.9
Inferred 82.9 5.2 12,603 105.053 6.9 13.9
Measured + Indicated + Inferred 145.4 4.7 19,464 191.919 21.5 21.8
Ore Reserves Tonnage, Mt GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Moz
Proved 68.6 2.4 4,697 56.560 31.4 5.4
Probable 162.4 4.3 20,173 189.722 15.1 22.5
Proved + Probable 231.0 3.8 24,870 246.282 46.5 27.9

PGM Mineral Resources as at 1 January 2021

Mt Pd, g/t Pt, g/t Au, g/t Cu, % Pd, Moz Pt, Moz Au, Moz Cu, Kt
Measured 6.8 0.7 0.3 0.2 0.11 0.2 0.1 0.03 7.2
Indicated 140.6 0.7 0.3 0.1 0.10 3.1 1.1 0.6 142.2
Measured + Indicated 147.3 0.7 0.3 0.1 0.10 3.3 1.2 0.7 149.5
Inferred 9.2 0.7 0.2 0.1 0.9 0.2 0.1 0.03 8.2
Measured + Indicated + Inferred 156.5 0.7 0.3 0.1 0.10 3.5 1.3 0.7 157.7

Reserves and Resources as at 1 January 2021

Dukat hub
Ore reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Dukat 6.4 0.5 243 - 3.5 100 50.3 - 722
Lunnoye 1.6 1.6 253 - 4.6 81 12.8 - 236
Arylakh 0.1 0.3 261 - 3.6 1 0,9 - 12
Perevalnoye 1.1 - 301 - 3.8 - 10.4 - 130
Primorskoye 0.1 8.3 2,227 - 30.2 33 8.8 - 119
Total 9,3 - - - 4.1 215 83.2 - 1,218
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Dukat 3.1 0.9 448 - 6.4 87 45.0 - 642
Lunnoye 0.9 1.7 414 - 6.7 51 12.0 - 195
Arylakh 0.3 0.8 498 - 7.1 9 5.5 - 79
Perevalnoye 0.2 - 269 - 3.4 - 2.0 - 25
Primorskoye 0.1 6.1 1,478 - 20.3 11 2.7 - 37
Total 4.7 - - - 6.5 157 67.2 - 978
Kyzyl
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 58.3 5.4 - - 5.4 10.1 - - 10,107
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 13.8 3.8 - - 3.8 1,695 - - 1,695
Omolon hub
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Birkachan 3.1 3.3 10 - 3.4 329 1.0 - 339
Olcha 0.4 7.2 22 - 7.4 83 0.2 - 85
Tsokol Kubaka 0.4 4.6 8 - 4.6 57 0.1 - 58
Burgali 0.4 9.6 39 - 9.9 117 0.5 - 121
Total 4,2 - - - 4.4 0.6 1.8 - 603
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Birkachan 0.9 2.8 7 - 2.9 80 0.2 - 82
Olcha 0.5 4.6 16 - 4.8 79 0.3 - 82
Tsokol Kubaka 0.2 7.2 9 - 7.3 34 0.04 - 34
Burgali 0.3 11.7 18 - 11.8 95 0.1 - 96
Nevenrekan 0.4 12.1 644 - 19.3 151 8.1 - 242
Total 2.2 - - - 7.5 439 8.7 - 536
Albazino
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Albazino 11.5 4.3 - - 4.3 1,593 - - 1,593
Kutyn 8.4 3.0 - - 3.0 812 - - 812
Total 19.9 - - - 3.8 2,405 - - 2,405
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Albazino 12.0 4.9 - - 4.9 1,886 - - 1,886
Talgiy 3.8 4.4 - - 4.4 532 - - 532
Kutyn 6.6 3.7 - - 3.7 785 - - 785
Total 22.4 - - - 4.4 3,203 - - 3,203
Mayskoye
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 6.6 8.6 - - 8.6 1,826 - - 1,826
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 7.2 12.0 - - 12.0 2,784 - - 2,784
Svetloye hub
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Svetloye 6,0 2.6 - - 2.6 499 - - 499
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Svetloye 1.8 2.3 - - 2.3 0.1 - - 137
Levoberezhny 2.2 4.1 - - 4.1 0.3 - - 294
Total 4,0 - - - 3.3 431 - - 431
Voro hub
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Voro 7.9 1.5 3 - 1.5 370 0.8 - 376
Maminskoye 14.7 1.9 - - 1.9 913 - - 913
Pesherny 2.0 6.0 - 6.0 399 - - - 399
Total 24.6 - - - 2.1 1,681 0.7 - 1,688
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Voro 0.2 2.9 6 - 2.9 20 0.04 - 20
Tamunier 2.7 3.4 9 - 3.4 292 0.8 - 296
Maminskoye 2.1 1.4 - - 1.4 99 - - 99
Pesherny 0.5 6.5 - - 6.5 97 - - 97
Total 5.5 - - - 508 .8 - - 512
Varvara hub
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Varvara 23.9 0.9 - 0.44 0.9 653 - 40.6 653
Komar 21.3 1.6 - - 1.6 1,076 - - 1,076
Total 45.2 - - - 1.2 1,729 - 40.6 1,729
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Varvara 10.6 1.2 - 0.52 1.2 413 - 16.2 413
Komar 7.0 2.1 - - 2.1 466 - - 466
Elevator 7.1 1.8 - - 1.8 402 - - 402
Total 24.8 - - - 1.6 1,281 - 16.2 1,281
Nezhda
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 38 3.4 15 - 3.6 4,216 18.6 - 4,412
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 49.4 5.0 10 - 5.1 7,911 15.2 - 8,071
Prognoz
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 7.9 - 560 0.09 7.0 - 142.0 5.8 1,775
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 5.6 - 552 0.10 6.9 - 100.0 5.3 1,250
Veduga
Ore Reserves Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 11.0 4.5 - - 4.5 1,607 - - 1,607
Mineral Resources Tonnage, Mt Gold grade, g/t Silver grade, g/t Copper grade, % GE grade, g/t Gold, Koz Silver, Moz Copper, Kt GE, Koz
Total 5.7 5.8 - - 5.8 1,054 - - 1,054
Viksha (PGM)
PGM Mineral Resources Mt Pd, g/t Pt, g/t Au, g/t Cu, % Pd, Moz Pt, Moz Au, Moz Cu, Kt
Measured 6.8 0.7 0.3 0.2 0.11 0.2 0.1 0.03 7.2
Indicated 140.6 0.7 0.3 0.1 0.10 3.1 1.1 0.6 142.2
Measured + Indicated 147.3 0.7 0.3 0.1 0.10 3.3 1.2 0.7 149.5
Inferred 9.2 0.7 0.2 0.1 0.09 0.2 0.1 0.03 8.2
Measured + Indicated + Inferred 156.5 0.7 0.3 0.1 0.10 3.5 1.3 0.7 157.7

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