Investor Presentaiton

Lithium Offtake Lithium Offtake Status TG ~20,600 tpa LiCO ~7,000 tpa 7,000 tpa ~4,000 tpa 2,600 tpa . LOM Average Production EcoPro Signed Offtake Anticipated Additional 2x Offtakes Uncontracted ioneer Investor Presentation . Lithium Offtake Strategy Focused on US EV Supply chain Partner with champions Diversify supply chain to OEMs Spread offtake across ~3 parties Offtakes to support funding - Minimum volumes Tenor 3 to 5 years ioneer Index based price formula - Pricing floors and ceilings on additional offtakes Additional lithium offtake agreements anticipated in the coming months ASX: INR www.ioneer.com 18

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