Piedmont Lithium Project Portfolio

CAROLINA LITHIUM 100% Owned by Piedmont Lithium CAR HIGHLIGHTS ▪ Located in Gaston County, NC, the cradle of the lithium business ■ Strong infrastructure ☐ ■ Single integrated site ■ Skilled local labor ■ Proximity to lithium and ☐ ☐ byproduct markets ■ Industry-leading ESG profile ☐ Projected to be a low-cost producer UPCOMING MILESTONES ☐ Permitting and rezoning ▪ Detailed engineering / FEED ■ LiOH and byproduct offtake ■ Potential project financing 26 ☐ ■ Strategic partnering ■ ATVM loan PIEDMONT Inge Charle Bus "We have to lead by example. And if we do that, we'll accelerate our self-dependence and eliminate reliance on China by decades. And that's why I support this project." U.S. Senator Thom Tillis, speaking at the groundbreaking for Piedmont's new corporate HQ in Belmont, NC, August 31, 2022. FACT SHEET42 Location North Carolina, USA Lithium Hydroxide 30,000tpy LiOH 242,000tpy SC6 $988 million $4,377/t LiOH Product Production Feedstock Capex Opex EBITDA After-tax NPV 8 After-tax IRR Payback 27% $459mm first 10 years $2.0 billion 3.5 years 42. Refer to results of PLL Bankable Feasibility Study announcement dated December 14, 2021, a copy of which can be found on our Company website or in our SEC filings. Estimates prepared pursuant to SEC S-K 1300 and the JORC Code.

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