Exhibit 99.1 For the three months ended September 30, 2024 vs. 2023 MP Materials Reports Third Quarter 2024 Results Revenue increased 20% year-over-year to $62.9 million Record REO production of 13,742 metric tons, a 28% increase year-over-year Record NdPr production of 478 metric tons, a 76% sequential increase NdPr sales volumes nearly tripled sequentially to 404 metric tons Fort Worth metal production in commissioning with deliveries on track for year-end LAS VEGAS, November 7, 2024 – MP Materials Corp. ...