Reserves and Resources

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Summary Breakdown by assets

Mineral Resources and Ore Reserves as at 1 January 2022

Mineral Resources Tonnage, Mt GE grade, g/t Gold, Moz Silver, Moz Copper, Kt GE, Moz
Measured 20.7 3.6 2.0 27.3 4.6 2.4
Indicated 60.5 3.4 5.9 63.6 120.4 6.7
Measured + Indicated 81.2 3.5 7.9 90.9 125.0 9.0
Inferred 104.0 4.7 14.4 104.9 24.5 15.6
Measured + Indicated + Inferred 185.1 4.1 22.3 195.7 149.4 24.6
Ore Reserves Tonnage, Mt GE grade, g/t Gold, Moz Silver, Moz Copper, Kt GE, Moz
Proved 78.6 2.6 6.0 61.0 33.8 6.7
Probable 188.1 3.8 21.0 179.1 27.9 23.2
Proved + Probable 266.7 3.5 27.1 240.2 61.8 29.9

PGM Mineral Resources as at 1 January 2022

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 0.1 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 2022

Dukat operations
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 6.8 0.4 210 - 3.1 91 45.9 - 680
Lunnoye 1.9 1.4 228 - 3.9 81 13.5 - 228
Perevalnoye 0.9 - 303 - 4.0 - 8.9 - 118
Primorskoye 0.1 8.5 2.2 - 35.6 29 7.5 - 120
Total 9,7 - - - 3.7 200 75.8 - 1,147
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 3.8 0.7 368 - 5.4 81 44.8 - 656
Lunnoye 2.0 1.4 309 - 4.9 87 19.6 - 309
Perevalnoye 0.2 - 303 - 4.0 - 2.2 - 30
Primorskoye 0.1 7.4 1.9 - 31.4 16 4.1 - 68
Total 6.1 - - - 5.4 185 70.9 - 1,063
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 57.6 5.3 - - 5.3 9.8 - - 9,769
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 13.2 3.9 - - 3.9 1,670 - - 1,670
Omolon operations
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 3.2 3.1 7 - 3.2 313 0.7 - 321
Tsokol Kubaka 0.4 4.2 8 - 4.3 54 0.1 - 55
Burgali 0.7 9.5 34 - 9.8 224 0.8 - 231
Nevenrenkan 0.5 7.0 439 - 10.2 116 7.3 - 170
Total 4,8 - - - 5.0 0.7 8.9 - 776
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 1,3 3.1 7 - 3.2 133 0.3 - 136
Tsokol Kubaka 0.2 8.2 10 - 8.3 41 0.05 - 41
Burgali 0.6 7.4 18 - 7.5 134 0.3 - 137
Nevenrekan 0.1 9.5 499 - 13.2 33 1,7 - 46
Total 2.2 - - - 5.2 340 2.4 - 360
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 12.7 3.8 - - 3.8 1.5 - - 1,536
Kutyn 12.0 2.9 - - 2.9 1.1 - - 1,136
Total 24.8 - - - 3.4 2.7 - - 2,673
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 16.4 4.2 - - 4.2 2,228 - - 2,228
Talgiy 11.4 3.0 - - 3.0 1,108 - - 1,108
Kutyn 2.5 5.1 - - 5.1 414 - - 414
Total 30.3 - - - 3.9 3,749 - - 3,749
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 8.0 7.4 - - 7.4 1,929 - - 1,929
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 10.6 9.3 - - 9.3 3,166 - - 3,166
Svetloye
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 5,6 2.5 - - 2.5 453 - - 453
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 2.2 2.5 - - 2.5 182 - - 182
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 7.0 1.4 3 - 1.4 326 0.7 - 330
Maminskoye 10.3 2.5 - - 2.5 815 - - 815
Saum 1.0 2.1 44.5 2.1 2.6 67 1.4 21.7 85
Pesherny 2.8 4.2 - - 4.2 378 - - 378
Total 21.3 - - - 2.4 1,586 2.1 21.74 1,609
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
Maminskoye 3.2 2.4 - - 2.4 249 - - 249
Saum 0.2 1.7 39 1.60 2.2 9 218 2.8 12
Pesherny 0.6 5.5 - - 5.5 108 - - 108
Tamunier 2.2 3.7 13 - 3.8 234 0.8 - 242
Pavlov 9.7 2.3 - - 2.3 727 - - 727
Andrei 2.3 2.3 - - 2.3 174 - - 174
Total 18.0 - - - 2.6 1,501 1.1 2.8 1,512
Varvara operations
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 25.8 0.8 - 0.4 0.8 651 - 40.0 651
Komar 24.7 1.6 - - 1.6 1,248 - - 1,248
Elevator 10.9 1.2 - - 1.2 421 - - 421
Total 60.6 - - - 1.2 2,321 - 40.0 2,321
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 13.2 1.1 - 0.51 1.1 470 - 17.8 470
Komar 9.9 1.6 - - 1.6 522 - - 522
Elevator 4.7 1.6 - - 1.6 240 - - 240
Total 27.8 - - - 1.4 1,232 - 17.8 1,232
Nezhda 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
Nezhda 47.5 3.3 18.79 - 3.4 5,013 28,660 - 5,146
Prognoz 8.0 0.0 481.31 - 6.4 0 124,640 - 1,662
Total 55.5 - - - 3.8 5,013 153,300 - 6,808
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
Nezhda 55.6 4.7 11 - 4.8 8,479 19,721 - 8,570
Prognoz 4.4 0.0 662 - 8.8 0 93,685 - 1,249
Total 60.0 - - - 5.1 8,479 113,406 - 9,820
Veduga

As at 1 February 2022

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 19.0 3.9 - - 3.9 2,407 - - 2,407
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 7.8 4.5 - - 4.5 1,120 - - 1,256
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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2019