Investor Presentaiton

Nova High margin 100% owned and operated nickel sulphide mine producing high quality concentrates Nova Overview1 FY21 performance drove record financial outcomes from Nova: Underlying EBITDA of A$436M (EBITDA margin of 65%) Underlying FCF of A$393M (FCF margin of 59%) Expanded exploration program through Silver Knight acquisition: Acquisition of the Silver Knight nickel-copper-cobalt sulphide deposit from Creasy Group for A$45M completed in October 2021 Infill drilling program to commence 4Q22 to inform and update resource estimate during 2Q23 FY22 expected capital expenditure requirements: Development capex of A$5-7M Sustaining/improvement capex of A$19M-22M igo Nova Processing Plant Tonnes Ni grade (Mt) (%) Ore Reserves² 9.0 1.8% Cu grade (%) 0.8% Co grade Ni tonnes (%) 0.07% (kt) 163 Mineral Resources² 11.8 1.8% 0.7% 0.06% 208 Mine life (on reserves) ~6 years Production & Costs 1 Nickel in concentrate (t) Copper in concentrate (t) Cobalt in concentrate (t) Cash Costs (A$/lb Ni payable) FY21 Result 29,002 13,022 FY22 Guidance 25,000 27,000 11,000 12,500 1,084 900-1,000 A$1.85 A$2.00 A$2.40 1. As per IGO AGM Presentation (ASX: 18 November 2021); 2. As per IGO CY20 Mineral Resource and Ore Reserve Statement (ASX: 17 March 2021). 222

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