Antofagasta Results Presentation Deck
Reserves and resources as of 31 December 2021
Ore reserves
Los Pelambres
Centinela Concentrates (Sulphides)
Centinela Cathodes (Oxides)
Centinela Total
Antucoya
Total
Group Joint Ventures
Zaldívar
Total Group Ore Reserves
Mineral resources (including ore reserves)
Los Pelambres
Centinela Concentrates (Sulphides)
Centinela Cathodes (Oxides)
Antucoya
Polo Sur
Penacho Blanco
Mirador
Los Volcanes
Brujulina
Sierra
Cachorro
Twin Metals
Group Joint Ventures
Zaldívar
Total Group
Measured + Indicated
Inferred
Total Group Mineral Resources (including ore reserves)
Tonnage (millions tonnes)
2020
2020
956.1
1,684.3
299.3
1,983.6
745.5
3,6385.3
450.8
4,136.2
5,957.4
4,092.1
441.9
1,191.6
1,657.0
340.2
93.5
1,904.2
87.2
52.0
141.6
2,509.1
1,309.9
11,038.1
8,739.7
19,777.8
1,010.5
1,738.1
323.9
2,062.0
710.7
3,783.2
467.5
4,250.7
6,046.1
4,126.0
474.2
1,235.8
1,657.0
340.2
92.3
1,904.2
87.2
52.0
2,509.1
1,268.8
11,070.6
8,722.3
19,792.8
Copper (%)
2021
0.59
0.41
0.39
0.40
0.32
0.43
0.43
0.43
0.50
0.38
0.37
0.30
0.33
0.37
0.30
0.50
0.49
0.69
1.21
0.52
0.38
0.45
0.43
0.44
2020
0.59
0.41
0.40
0.41
0.32
0.44
0.45
0.44
0.50
0.38
0.37
0.30
0.33
0.37
0.30
0.50
0.49
0.69
0.52
0.39
0.45
0.42
0.44
Antofagasta plc | 2021 Preliminary financial results
Molybdenum (%)
2021
0.020
0.012
0.017
0.013
Nickel (%)
0.17
2020
0.020
0.012
0.017
0.012
0.17
Gold (g/t)
2021
0.05
0.14
0.06
0.12
2020
0.05
0.14
0.05
0.13
Total precious metals
(g/t Au+Pt+Pd)
0.47
0.47
Attributable Tonnage (millions tonnes)
2021
2020
573.7
1,179.0
209.5
1,388.5
521.9
2,484.1
225.4
2,709.5
3,574.5
2,864.5
309.3
834.1
1,657.0
173.5
86.0
971.1
44.5
52.0
141.6
2,085.0
654.9
7,701.5
5,746.6
13,448.1
606.3
1,216.7
226.7
1,443.4
497.5
2,547.2
233.7
2,780.9
3,627.6
2,888.2
331.9
865.0
1,657.0
173.5
85.2
971.1
44.5
52.0
2,085.0
634.4
7,728.7
5,686.9
13,415.6
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