Investor Presentaiton
GRUYERE UNLOCKING QUALITY
Simple Open Pit Mining
■
Low strip ratio of 2.7:1
STAGE 1*
Q4 2018 Q1 2021
DEPLETION
TO EOY 2019
Waste (Mt)
17.4
2019
Mined
2019
2019
STAGE 3
Processed ROM Stocks
Ore (Mt)
14.9
Q2 2020 Q2 2025
Waste (Mt)
6.9
Grade (g/t)
1.06
Ore (Mt)
6.7
3.3
3.4
Contained Au (Moz)
0.51
Waste (Mt)
49.3
Grade (g/t)
0.87
1.05
0.7
Strip Ratio (W:O)
1.17
Ore (Mt)
15.8
Contained Au (Moz) 0.19
0.11
0.08
Grade (g/t)
1.32
*Un-depleted -
Refer to Depletion to EOY2019
Contained Au (Moz)
0.67
Strip Ratio (W:O)
3.13
■ ~ 9,250 oz per vertical metre
Simple Processing
■ Gravity CIL processing circuit
■
Overall recovery 91-94%
STAGE 2
Q1 2020 Q3 2023
◉
Gravity recovery 35-40%
Waste (Mt)
30.2
Ore (Mt)
18.4
Grade (g/t)
1.14
Contained Au (Moz)
0.68
Strip Ratio (W:O)
1.64
Mining
Stage 1
Stage 2
Stage 3
Stage 4
Stage 5
2020
2021
2022
2023
2024
STAGE 4
Q1 2022 - Q4 2026
Waste (Mt).
69.7
Ore (Mt)
14.4
Grade (g/t)
1.12
Contained Au (Moz).
0.52
Strip Ratio (W:O)
4.83
900m
385m
1,830m
STAGE 5
Q1 2023 Q3 2029
Waste (Mt)
85.7
Ore (Mt)
26.7
Grade (g/t)
1.34
Contained Au (Moz)
1.15
Strip Ratio (W:O)
3.21
GRUYERE PIT STAGES
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