INVESTOR DAY 2026 Platreef 58 1) Indicated mineral Resource, cumulative T1 plus T2 zones, 2g/t 4PE cut off. 2) 4PE: platinum, palladium, rhodium and gold equivalent. Development IVANHOE MINES Unique wide orebody allows for efficient mining PGM Deposit Comparison Merensky Reef / UG2 Platreef 1 Bushveld Location Western/Eastern Limb Northern Limb Mining Method Underground narrow-reef, manual, labour intensive Underground efficient mechanised, long hole stoping / drift and fill Total Employees less than 10,000 largest 40,000 approx. 2,500 Phase 2 True thickness approx. 0.4m to 1.5m 18m to 26m Typical ore grades 4–7 g/t 4PE 2 ~4 g/t 4PE 2 + 0.3% Ni + 0.2% Cu Age of operations ~50 years discovered in 1924 Greenfield discovered in 2000s 29m Shaft 1 Headframe, Platreef Visual comparison of thickness