Lithium Americas Corp. · NYSE:LAC
Lithium Americas — Citi Basic Materials Conference 2025
12 slides from Lithium Americas's conference presentation, December 2025
Slide 1: Building U.S. Lithium Capacity in Northern Nevada: Thacker Pass
Building U.S. Lithium Capacity in Northern Nevada: Thacker Pass Citi Basic Materials Conference December 2025 NYSE and TSX: LAC 1
Slide 2: Disclaimer
Disclaimer ADDITIONAL REFERENCE MATERIALS securities at this time and cannot accept orders for any in isolation or as a substitute for measures prepared in of Regulation S- K (“S-K 1300”). Further information about This presentation should be read in conjunction with materials securities at this tim
Slide 3: Thacker Pass Phase 1 Processing Pad Layout
Thacker Pass Phase 1 Processing Pad Layout ROM Stockpile Beneficiation Admin Building Warehouse Acid Storage Filtration Building Sulfuric Acid Plant Centrifuging CCD Circuit Turbine Generator Leaching Ion Exchange Sulfur Storage Li2CO3 Crystallization Main Substation MgSO4 Crystallization Process Ev
Slide 4: Overall Construction Progress
Overall Construction Progress
Slide 5: Steel Work to Support Construction of the Processing Plants
Steel Work to Support Construction of the Processing Plants Over 90 pipe rack modules will be assembled in Winnemucca at CarWil for installation at site Steel awaiting installation at the Thacker Pass laydown yard 5
Slide 6: Filtration Building
Filtration Building Fabricated automatic filter presses are undergoing factory acceptance testing before being shipped to Thacker Pass Progress at the Filtration Building Thacker Pass will have six Automatic Filter Presses 6
Slide 7: Countercurrent Decantation
Countercurrent Decantation CCD Thickeners are undergoing trial assembling at the manufacturer prior to being shipped to Thacker Pass Completed central pedestals for the CCD Thickener CCD Thickener trial assembly 7
Slide 8: Sulfuric Acid Plant
Sulfuric Acid Plant Equipment is sourced and assembled from neighboring Utah Sulfuric Acid Towers are going vertical Inspecting the transition piece that will be installed Equipment is being assembled at Utah Fabrication once it arrives at Thacker Pass 8
Slide 9: Steam Turbine Generator
Steam Turbine Generator To convert waste steam from the Sulfuric Acid Plant to power the Processing Plant Foundation prep for the Steam Turbine Generator Steam Turbine Generator Turbine Housing 9
Slide 10: Over 750 Workers at Thacker Pass and 150 Workers at WFH
Over 750 Workers at Thacker Pass and 150 Workers at WFH 10
Slide 11: Workforce Hub Occupancy Ramp-up for Construction Crew
Workforce Hub Occupancy Ramp-up for Construction Crew Over 300 residents, with increased availability above 900 by mid-Dec Nutritious meals made daily by Target Hospitality First residents moved in late September 2025 Spacious accommodations with private bathrooms 11
Slide 12: LAC
LAC CONTACT INFORMATION NYSE & TSX Virginia (Ginny) Morgan VP, IR and ESG info@lithiumamericas.com www.lithiumamericas.com @LithiumAmericas
Lithium Americas — Citi Basic Materials Conference 2025 on 6ix