MP Materials Investor Conference Presentation Deck

Stage II Separated LREE and HREE production ■ ■ ■ Re-introduction of roasting circuit & product finishing investments 20,000 mtpa run-rate target 6,075 mt NdPr oxide - HREE and recycling projects underway Evaluating potential sources of third-party feedstock MP MATERIALS Roaster July 2022 nje 2-30/60 Crystallizer July 2022

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