Investor Presentaiton

Rochester Hub: Pilot Plant Provided Technical and Customer Validation for Commercial Scale-up Black Mass Leaching (Graphite) Solid-liquid separation Aluminum Copper Sulphide Precipitation & Iron Precipitation Key Achieved Objectives through Piloting Manganese Solvent Extraction Manganese Carbonate Precipitation I Cobalt Solvent Extraction Cobalt Sulphate Crystallization . • Validated the process design Tested standardized equipment and piloted at much greater sizes for scale-up Sodium Sulphate Crystallization . Product testing and qualification by key downstream global customers Nickel Solvent Extraction Nickel Sulphate Crystallization Lithium Precipitation and Purification Lithium Carbonate Li-Cycle 21

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