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DoostoG TB Near Mine Exploration Open Pit Targets Could De-Risk Copper Project Ramp Up Open Pit Mineralisation Targets 167000ME 169000mE PT DSI IUP Exploration 171000mE 173000mE 175000mE 177000mE P.T.BUMI SUKSESINDO TUJUH BUKIT PROJECT DISTRICT GEOCHEMICAL DATA 'IN SOIL' SUMMARY DATA Au Cu Mo • MERDEKA COPPER GOLD SALAKAN NORTH WEST W SALAKAN NORTH SALAKAN EAST SALAKAN KUNDURU LOMPONGAN ~12 km x 4 km Mineralised corridor with demonstrated epithermal and porphyry Cu-Au potential GUH MACAN RAHASIA TUMPANG PITU WASTE DUMP LEACH PAD SJM May 2016 • 100ppm Cu 75ppb Au 5ppm Mo Sampling limit KATAK CANDRIAN GUNUNG MANIS Existing TB Gold/Copper 9048000mN 9050000mN 9052000mN 9046000mN Comments Salakan Porphyry Prospect Historical drilling including SDN-12-01: 604m @ 0.22% Cu Exploration to re-commence in 2021 Lompongan Porphyry Prospect • Cu-Au-Mo soil anomaly defined over 400m x 400m Stockwork mineralisation in rock samples assaying >1% Cu and >1g/t Au Exploration to re-commence in 2021 Katak Porphyry Prospect Historical drilling WB-15-11: 94m @ 0.35% Cu & 0.67 g/t Au KTD-18-06: 76m @ 0.35% Cu & 0.96 g/t Au 17

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