Hillgrove Resources Limited announced that Kanmantoo underground stage 1 economic assessment confirmed outstanding potential. Highlights: Economic Assessment of Kanmantoo Underground Stage 1 demonstrated strong free cash flow potential (AUD 196 Million) from recommencement of operations in 2022; Existing, well-maintained infrastructure allows for a fast restart (~7 months from FID) at industry leading capital costs (AUD 26 Million) and capital intensity (USD 1,550/t); and updated Mineral Resource Estimate of 5.7Mt @ 1.1% Cu, 0.3 g/t Au with further drilling underway.