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JORC Statements

OPERATIONS

Why Brazil?

The Carajás

Antas

Pedra Branca

CentroGold

Pantera

Regional exploration targets

JORC statements

Antas North – JORC Reported Ore Reserves. August 2014.

Reported using a ROM cut-off grade of 0.9% Cu.

Classification
Type
Economic
Cut-Off
Cu%

Tonnes
(Mt)

Copper
(%)

Gold
(g/t)

Copper
Metal (T)

Gold
(Oz)
Proved
ROM Ore
0.90
1.385
3.62
0.74
50,137
33,046
Probable
ROM Ore
0.90
1.264
2.72
0.57
34,381
23,231
Proven + Probable ROM Ore
2.649
3.19
0.66
84,518
56,277
Proved
Low Grade
0.65
0.342
0.74
0.30
2,531
3,308
Probable
Low Grade
0.65
0.635
0.72
0.23
4,572
4,709
Total Proven + Probable
3.63
2.53
0.55
91,621
64,294

 


DEPOSIT

Category
Million
Tonnes
Cu
(%)
Au
(ppm)
Copper
Metal (T)
Gold
Metal (Oz)
Pedra Branca (Stage 2)
Inferred
46.82
1.20
0.33
560,000
500,000
Total
46.82
1.20
0.33
560,000
500,000
Antas North (Stage 1)
Measured
2.83
3.01
0.72
85,079
65,578
Indicated
1.65
2.20
0.42
36,365
22,058
Inferred
1.90
1.59
0.23
30,242
14,122
Total
6.38
2.38
0.50
152,000
102,000
Antas South
Measured
0.59
1.34
0.18
8,000
3,000
Indicated
7.5
0.7
0.2
53,000
49,000
Inferred
1.99
1.18
0.2
24,000
13,000
Total
10.08
0.83
0.2
85,000
65,000
Total
63.28
1.26
0.33
797,000
667,000

965,000t of contained Copper at 1.42% Cu Equivalent*

 

Antas North – Sulphide JORC Reported Mineral Resource. April 2014.


Classification

Type
Economic
Cut-Off Cu%
Tonnes
(Mt)
Copper
(%)
Gold
(g/t)
Copper
Metal (T)
Gold
(Oz)
Measured
Primary
0.90
2.48
3.26
0.71
80,724
56,751
Indicated
Primary
0.90
1.62
2.22
0.42
36,002
21,884
Measured + Indicated
4.10
2.85
0.60
117,000
79,000
Inferred
Primary
0.90
1.90
1.59
0.23
30,184
14,085
Total
6.00
2.45
0.48
147,000
93,000

 

Antas North – Total JORC Reported Mineral Resource. April 2014.

Reported above a Cut-off Grade of 0.9% Cu.


Classification
Tonnes
(Mt)
Copper
(%)
Gold
(g/t)
Copper
Metal (T)
Gold
(Oz)
Measured
2.83
3.01
0.72
85,079
65,578
Indicated
1.65
2.20
0.42
36,365
22,058
Inferred
1.90
1.59
0.23
30,242
14,122
Total
6.38
2.38
0.50
152,000
102,000

 

CentroGold Cipoeiro Deposit Mineral Resources – April 2017

Grade tonnage reported above a cut-off grade of 1.0 g/t Gold

Category
Tonnes (M)
Au (g/t)
Gold Metal (Oz)
Contact Zone
Indicated
2.1
2.5
168,000
Inferred
5.9
2.2
424,000
Total
8.0
2.3
592,000
Blanket Zone
Indicated
10.8
1.7
597,000
Inferred
1.4
2.2
97,000
Total
12.2
1.8
694,000
CentroGold Total
20.2
2.0
1,286,000