Piedmont Lithium Project Portfolio

U.S. GOVERNMENT EV FOCUS Piedmont is Well-Positioned to Benefit from America's Pro-EV Policies DEPARTMENT OF ENERGY Battery Materials Grant Programs Advanced Technology Vehicle Manufacturing Loans ☐ Piedmont selected for $141.7 million grant for Tennessee Lithium4 ■ Grant to be funded alongside Piedmont project equity contributions ■ ATVM loan applications submitted 5 " Historically, long-term loans at US Treasuries flat INFLATION REDUCTION ACT Advanced Manufacturing Production Credit (45X) Clean Vehicle Credit (30D) Commercial Clean Vehicles (45W) ☐ ■ 45X - Advanced Manufacturing Production Credit Production tax credit equal to 10% of annual production costs Available only to U.S. taxpayers Credits are tradeable ■ 30D - Clean Vehicle Tax Credit $7,500 credit for qualifying light vehicle purchases Credit requires escalating usage of 'domestic' critical minerals (includes FTA countries) ■ 45W provides up to $40,000 credit for large commercial vehicles 6 4./5./6. See End Notes for corresponding detailed disclosures Nasdaq : PLL ASX: PLL PIEDMONT LITHIUM

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