Investor Presentaiton

For personal use only South Australia MABEL CREEK PROJECT 6800000 300000 6750000 + 6650000 6550000 6500000 FIRSTAU 350000 400000 50000 500000 550000 600000 650000 700000 750000 800000 Challenger Mabel Creek Cairn Hill Knob Highly Prospective Mineralised Corridor 6740000 Prominent Hill Olympic Dam Carrapateena Carapateena 68+0000 6740000 6640000 6600000 The highly prospective corridor shown left highlights potential for a Cairn Hill style magnetite- copper-gold deposit within the southern part of the project area, hosted within the Mount Woods, Coober Pedy and Olympic Domains iron formation. The Cairn Hill resource is 11.4 Mt at 49.5% Fe (magnetite) 0.4% Cu and 0.1 g/t Au. 100 km 400000 450000 500000 550000 600000 650000 700000 75-6000 800 65-50000 10000 Investor Presentation | June 2022 | Page 17

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