BMO Conference Presentation

Livent 1a Lithium Carbonate Expansions Second Expansion First Expansion Status: Phase A: Nearing Completion; Phase B: Ongoing Location: Argentina Capacity: 20,000 metric tons (two equal phases) First Production: Phase A: 1H 2023; Phase B: Q1 2024 Capital Spending: ~$450 million in 22/23 Flow Sheet: Existing DLE-based process Limited technology or start-up risks as replication of existing processes Carbonate expansion (Fénix; Catamarca, Argentina) Status: Engineering Location: Argentina Capacity: 30,000 metric tons Production: 2026 Capital Spending: $500-$700 million Flow Sheet: Existing DLE-based process Lower capital requirements than First Expansion (camps, water pipeline, etc. already built) ● Will leverage equipment from First Expansion that can be applied across our entire Argentina operations • Mechanical evaporation, zero liquid discharge, closed loop recovery • Frees up existing concentration ponds DLE = Direct Lithium Extraction. Note: Capital spending amounts shown in USD; capacity shown in product metric tons. Third Expansion Status: Evaluating Location: Argentina Capacity: Up to 30,000 metric tons Production: 2029 / 2030 Capital Spending: TBD Flow Sheet: Conventional pond evaporation-based process Requires significantly less investment in infrastructure (water, energy, etc.) Potential to leverage existing Livent facilities Likely much lower capital intensity versus Livent DLE-based expansions 9

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