Chirano
CHIRANO – BUSINESS IMPROVEMENT
Increase gold production by 45% and reduce AISC by 20% by 2024
EXPLORATION
Invest $6M/y in near mine and regional exploration for years 2023, 2024, 2025 to increase LOM from 5 to >10 years
MINE PLANNING
Utilize $1750/oz for resource & reserve calculation (from $1200/oz) – Resource upgrade and NI-43-101 update to be issued Q1 2024
Mining sequence and schedule adjusted Q4 2022 to improve mill feed grade and increase tonnes milled
Process Plant
Install Gravity Recovery Plant – completion November 2023
Install Oxygen Plant and Aachen Reactor – to improve shear of mineral surfaces & liberation of gold, increase dissolved oxygen and improve leach performance – completion November 2023
Increase throughput to +4 Mt/y from Q4 2023
RESULTS
Gold recovery has increased from 85 to 87% and is planned to increase further, to 92% at Q1 2024 with completion of gravity recovery and oxygen plants, plus Aachen reactor and upgrade of grinding classification system
Mill feed grade improved from 1.38g/t to 1.5 (Q4 2022) and is planned improve further to 1.65g/t (Q3 2023)
Increase gold production from 133Koz (2022) to 145Koz (2023) & +200Koz/y from 2027
Reduce AISC from $1389 to $1200/oz
1 The Government of Ghana has 10% ownership of all mines