MP Materials Investor Conference Presentation Deck

Stage I Concentrate production Consistent improvements in recoveries, plant up-times 2021 achievement of highest production in 70-year site history -15% of global tREO supply 2022 LTM revenue of $508.7M and Adjusted EBITDA of $381.8M* Strong foundation to build-out midstream capabilities MP MATERIALS tREO Production Volume ~14,000 mt 2018 -27,600 mt 2019 ~38,500 mt 2020 ~42,400 mt 2021 -43,400 mt 2022 LTM* *LTM data as of June 30, 2022 Visit investors.mpmaterials.com for reconciliation of Adjusted EBITDA to the most directly comparable financial measure prepared in accordance with U.S. GAAP

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