Investor Presentaiton

Global Lithium Market Trends 3,500 3,000 2,500 Increasing demand Global lithium demand (LCE kt) 2,000 CAGR 2021-2030 1,500 1,000 24.0% Short supply Widening deficit in lithium market ioneer Lithium market Surplus/(Deficit) (kt LCE) Asia Lithium Carbonate (US$/t) -Asia Lithium Hydroxide (US$/t) 100.0 30,000 0.0 (100.0) (200.0) (300.0) (400.0) 25,000 20,000 15,000 10,000 5,000 (500.0) 500 (600.0) .0 CY20 CY21e CY22e CY23e CY24e CY25e CY26e CY27e CY28e CY29e CY30e 0 2018 2019 2020 2021e 2022e 2023e 2024e 2025e Other (kt) Electric vehicles (kt) 2026e Stationary energy storage (kt) 2027e 2028e 2029e 2030e Source: Bloomberg, Company data, Macquarie Research, December 2021 Source: Company data, Benchmark Minerals, J.P. Morgan estimates. Lithium demand driven by growth in EVs Underinvestment in lithium supply Strong demand growth coupled with supply shortages are driving higher lithium prices ioneer Investor Presentation ASX: INR www.ioneer.com 5

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