Piedmont Lithium Project Portfolio

FUNDING OUR GROWTH Objective - Maximize Growth While Minimizing Equity Dilution BALANCE SHEET ■ $129mm estimated cash at 3/31/23 ■ $185mm equity value in shares of Sayona Mining and Atlantic Lithium OPERATING CASH FLOW ■ Successful NAL restart in Q1 2023 with first shipments targeted for Q3 2023 ■ As customer, Piedmont will buy SC at ceiling price of $900/t and sell to customers ■ As investor, Piedmont will earn 25% of joint venture profits ■ $142mm DOE grant for Tennessee 30 GOVERNMENT PROGRAMS CUSTOMER FINANCING ■ ATVM applications submitted for Tennessee and Carolina 31 Evaluating development financing options for Ghana ■ Discussions underway with prospective strategic partners ■ Structures may include offtake prepays, loans, joint ventures, or equity investments ■ Funding availability will drive timing of Tennessee development 15 30. Grant funding subject to finalization of terms and conditions between Piedmont Lithium and the U.S. Department of Energy. 31. As a result of our grant award, our eligibility for an ATVM loan for Tennessee Lithium may be reduced or we may elect not to pursue an ATVM loan for the Tennessee Lithium Project. Nasdaq : PLL ASX: PLL PIEDMONT LITHIUM

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