Piedmont Lithium Project Portfolio

28 END NOTES Copies of the documents referred to in the end notes below can be found on the Company's website or in our SEC filings. Peer Project Notes 34. The studies listed and associated production estimates are completed using varying classifications of Ore Reserves and Mineral Resources. Production estimates may include the use of inferred resources which have a low level of geological confidence and as such we would consider them to be at a scoping study level. 35. Sayona Quebec includes the projects owned by the joint venture between Sayona Mining and Piedmont in the Abitibi Hub, which encompasses North American Lithium, Authier and Tansim. North American Lithium and Authier are the subject of the DFS. 36. As part of its agreement announced by Atlantic Lithium on July 1, 2021, Piedmont has the right to earn a 50% interest in the Ewoyaa project, subject to terms and conditions. Production target is based inclusion of inferred mineral resources which have a low level of geological confidence and as such we consider them to be at a scoping study level. Refer to cautionary note on page 3 of this presentation. 37. Carbonate for Sale represents Livent's disclosure for estimated 2028 year-end capacity. This includes current capacity of 20k tpy and expansions amounting to 50k tpy before removing Carbonate to Feed Hydroxide. The existing production and future expansion are related to production from the Salar del Hombre Muerto. 38. Carbonate Conversion represents Livent's disclosure for estimated 2028 year-end lithium hydroxide capacity, which will utilize Livent's lithium carbonate as feedstock. The annual production capacity combines 25k tpy existing capacity and 20k tpy future expansions related to production from the Bessemer City, North Carolina and Zhejiang, China facilities. 39. Nemaska is the subject of a Definitive Feasibility Study which was released by Nemaska Lithium and filed with SEDAR on July 31, 2019. It is currently the subject of an ongoing Feasibility Study which is expected to be published in the H1 2023 and may show a change in production targets. Nasdaq: PLL ASX: PLL PIEDMONT LITHIUM

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