Piedmont Lithium Project Portfolio

Project PEER PROJECT NOTES Company Annual SC Production Ownership Study Level34 Annual Lithium Chemical Production Pro-rata Production Source Piedmont Lithium Sayona Quebec 35 25% DFS > 113,000 or 50% of production 113,000 ASX Announcement - DFS Confirms NAL value with A$2.2B NPV, April 14, 2023 Piedmont Lithium Ewoyaa36 50% PFS 255,000 127,500 AIM Announcement - Robust Ewoyaa Pre-Feasibility Study, September 22, 2022 Piedmont Lithium Tennessee Lithium 100% DFS 30,000 30,000 PLL Press Release - Piedmont Lithium Completes DFS of Tennessee Lithium Project, April 20, 2023 Piedmont Lithium Carolina Lithium 100% DFS 242,000 30,000 30,000 PLL Press Release - Piedmont Completes BFS of the Carolina Lithium Project, December 14, 2021 Sayona Mining Sayona Quebec35 75% DFS 190,000 142,500 ASX Announcement - DFS Confirms NAL value with A$2.2B NPV, April 14, 2023 Core Lithium Finniss 100% DFS 173,000 173,000 ASX Announcement - Definitive Feasibility Study Investor Presentation, July 26, 2021 Liontown Resources Kathleen Valley 100% DFS 500,000 500,000 ASX Announcement - Kathleen Valley DFS Presentation, November 11, 2021 Lithium Americas Cauchari-Olaroz 49% DFS 40,000 17,920 Lithium Americas Website - Cauchari-Olaroz Overview Lithium Americas Thacker Pass (Phase 1) 100% DFS 40,000 40,000 Lithium Americas Website - Thacker Pass Project Summary Lithium Americas Thacker Pass (Phase 2) 100% DFS 40,000 40,000 Lithium Americas Website - Thacker Pass Project Summary Sigma Lithium Grota do Cirilo (Phase 1) 100% DFS 270,000 270,000 Grota do Cirilo (Phase 2 & Sigma Lithium 100% PFS 496,000 496,000 3) Livent Carbonate for Sale37 100% Livent Carbonate Conversion 38 100% Operational/ Expansion Operational / Expansion 30,000 30,000 45,000 45,000 Press Release - Sigma Lithium Achieves Outstanding Project Expansion, December 4, 2022 Press Release - Sigma Lithium Achieves Outstanding Project Expansion, December 4, 2022 Livent Website - Corporate Presentation, February 2023 Livent Website - Corporate Presentation, February 2023 Livent Nemaska 39 50% DFS 205,000 34,000 102,500/17,000 Livent Website - Corporate Presentation, February 2023 34. 35. 36. 37./38./39. See End Notes for corresponding detailed disclosures

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