Investor Presentaiton

Technology & Innovation Development at Cadia Lower capital, higher productivity caving, low energy intensity, tailings Breakthrough challenges: • Step change reduction in cave establishment costs Low cost increase in mining capacity • Reduce energy intensity • Sustainable, low cost tailings disposal Value capture levers NextGen caving • Lower capital, single pass, undercut-less Autonomous loading & shuttle trucks • Step change productivity: auto loaders & shuttle trucks Selective processing • • Feed grade increase through cave batch draw, belt sensing & sorting Energy saving by coarser processing Sustainable mining • Lower all-in cost, geo-stable tails disposal Supplementary renewable energy TRL Mass sensing & sorting 2 3 4 5 6 7 8 g Principles & Needs Analysis Concept Application Proof of Concept Formulation Experiments Component Bench Testing Component Prototype Testing System Scale Testing System Field Trial Demo Build, Commission & Optimise Operation & Extension 36 == TRL Technology Readiness Levels. Ref EU 2020

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