Investor Presentaiton

Led by an experienced technical team Bryn Jones NON-EXECUTIVE DIRECTOR • Industrial Chemist with considerable experience in the operation and development of Hardrock and In- Situ uranium mines, including the Olympic Dam Expansion Project and Beverly Uranium Mine Managing Director of PhosEnergy Ltd, and Non Executive Director of Boss Energy Ltd and Australian Rare Earths Ltd Tim Goyder CHAIRMAN • • • Mining executive with a strong track record of successful investment and value creation Chairman of Liontown Resources Ltd Non Executive Director of Minerals 260 Ltd Director of Phos Energy Ltd DevEx's largest shareholder (17.5%) Brendan Bradley MANAGING DIRECTOR Geologist for 25+ years Extensive experience in exploration and development of epithermal gold deposits Highly experienced in intrusive related nickel- copper-PGE deposits Senior management at Perilya Ltd, Dominion Mining Ltd and Kingsgate Consolidated Ltd Andrew Faragher • PRINCIPAL GEO - NT Chris Torrey CHIEF GEOLOGIST NSW • • 25+ years of experience in exploration and resource development across multiple commodities Extensive experience exploring and developing uranium deposits in the Northern Territory and the Athabasca Basin, Canada Senior Management at Rio Tinto • 35+ years experience Broad experience in epithermal gold and porphyry copper-gold exploration and development in the Lachlan Fold Belt and abroad Former senior management with Golden Cross Resources Ltd, Silver City Minerals Ltd and Cyprus Minerals Corp 5

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