ASX Announcement
23 January 2023
MT LYELL COPPER MINE PREFEASIBILITY STUDY DEMONSTRATES STRONG
ECONOMICS OVER MULTI-DECADE LIFE
▪ Mt Lyell Copper Mine Prefeasibility Study (PFS) demonstrates highly attractive economics for the restart of underground mining operations over an initial 25-year mine life
▪ Low-cost, long-life copper and gold operation with a pre-tax NPV7 of A$560 million, IRR of 22% and Life of Mine net cash flow of A$1,081 million
▪ Estimated pre-production capital cost of A$279 million with average C1 costs for the first 10 years of steady-state operations of US$1.73/lb Cu (including by-product credits)
▪ Total estimated production of 555kt of copper and 320koz of gold in concentrate
▪ PFS Board-approved with immediate progression to Feasibility Study, targeted to be finalised in Q3CY2023