Record NdPr production of 917 metric tons, a 63% increase year over year

Record NdPr sales of 1,006 metric tons¹, a 117% increase year over year

Record Q1 REO production of 12,983 metric tons, a 6% increase year over year

Generated $132.9 million of consolidated revenue and PPA Income, consisting of $90.6 million of revenue and $42.3 million of PPA Income

Generated $72.2 million in revenue, $42.3 million of PPA Income, and $36.7 million in Adjusted EBITDA in the Materials Segment¹

Generated $21.1 million in revenue and $9.6 million in Adjusted EBITDA in the Magnetics Segment

Broke ground on 10X magnetics facility

MP Materials Corp. (NYSE: MP) (“MP Materials” or the “Company”), today announced financial and operational results for the three months ended March 31, 2026.

“MP Materials delivered record NdPr production and sales with solid Adjusted EBITDA generation in the first quarter,” said James Litinsky, Founder, Chairman and CEO of MP Materials. “We advanced key growth initiatives, expanding operations at Independence and breaking ground on 10X, with scaled heavy rare earth separation commissioning activities set to begin imminently at Mountain Pass. These achievements reflect our disciplined execution, the exceptional capabilities of our growing team, and the accelerating momentum behind our vertically integrated strategy.”

First Quarter 2026 Consolidated Financial Highlights

First Quarter 2026 Consolidated Review

Total revenue increased 49% year over year to $90.6 million, driven by higher sales of NdPr oxide and metal, reflecting the continued ramping of production of separated products, as well as stronger market pricing. Revenue from magnetic precursor products also increased year over year. These increases were partially offset by the cessation of our concentrate sales beginning in July 2025.

Adjusted EBITDA increased by $39.3 million year over year to $36.6 million, driven mainly by the increase in total revenue discussed above and price protection agreement income (“PPA Income”) generated in the Materials Segment.

Adjusted Net Income improved by $26.6 million year over year to $6.7 million, driven primarily by the higher Adjusted EBITDA as discussed above, along with higher interest income due to increased cash and short-term investment balances. This improvement was partially offset by the amortization related to the price protection agreement upfront asset, with no comparable cost in the prior year period.

Net loss improved by $14.7 million year over year to $(8.0) million, primarily due to the factors driving the improvement in Adjusted Net Income discussed above.

Diluted loss per common share and Adjusted Diluted EPS improved by $0.10 and $0.15 year over year, respectively, to $(0.04) and $0.03, respectively, in line with the change in Net loss and Adjusted Net Income discussed above.

First Quarter 2026 Segment Financial Highlights

First Quarter 2026 Materials Segment Financial and Operational Results

First Quarter 2026 Materials Segment Review

Materials Segment revenue increased by 30% to $72.2 million year over year, driven by a $46.8 million increase in NdPr oxide and metal sales due to a 117% increase in NdPr Sales Volume as a result of continuing to ramp the production of separated products and higher market prices compared to the first quarter of 2025. The increase was partially offset by the cessation of all REO sales to third parties in July 2025, which resulted in no revenue recognized from rare earth concentrate during the current quarter.

Materials Segment Adjusted EBITDA increased by $33.0 million year over year to $36.7 million, primarily due to the net increase in revenue discussed above, as well as the PPA Income. These increases were netted against higher Materials Segment cost of sales, which increased year over year by $22.3 million, consistent with the increase in NdPr Sales Volume.

First Quarter 2026 Magnetics Segment Financial Results

First Quarter 2026 Magnetics Segment Review

Magnetics Segment revenue increased by $15.9 million to $21.1 million year over year, driven by increased production of magnetic precursor products. These sales also drove the increase in the Magnetics Segment Adjusted EBITDA.

Conference Call Details

MP Materials will host a conference call to discuss these results at 2:00 p.m. Pacific Time, Thursday, May 7, 2026. To join the conference call on a listen-only basis, participants should dial 1-888-788-0099 and international participants should dial 1-646-876-9923 and enter the conference ID number: 919 7945 9050 as well as the passcode: 716921. The live audio webcast along with the press release and accompanying slide presentation, will be accessible at investors.mpmaterials.com. A recording of the webcast will also be available following the conference call.

About MP Materials

MP Materials (NYSE: MP) is America’s only fully integrated rare earth producer with capabilities spanning the entire supply chain—from mining and processing to advanced metallization and magnet manufacturing. We extract and refine materials from one of the world’s richest rare earth deposits in California and manufacture the world’s strongest and most efficient permanent magnets. Our products enable innovation across critical sectors of the modern economy, including transportation, energy, robotics, defense, and aerospace. More information is available at https://mpmaterials.com/.

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Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. MP Materials Corp. (the “Company,” “we,” “us” and “our”) intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements may be identified by the use of the words such as “estimate,” “plan,” “shall,” “may,” “project,” “forecast,” “intend,” “expect,” “anticipate,” “believe,” “seek,” “will,” “target,” or similar expressions that predict or indicate future events or trends or that are not statements of historical matters. These forward-looking statements include, but are not limited to, statements regarding the price and market for rare earth materials; the continued demand for rare earth materials and the market for rare earth materials generally; future demand for magnets; estimates and forecasts of the Company’s results of operations and other financial and performance metrics, including expected NdPr oxide production and shipments; the Company’s mining and magnet projects, including the Company’s ability to expand its heavy rare earth separation capabilities, and to develop the 10X Facility and to achieve run rate production of separated rare earth materials and production of commercial metal and magnets; the transactions (“Transactions”) with the United States Department of War ( the “DoW”) formerly known as the Department of Defense, the timing and consummation of future phases of the Transactions, the Company’s and the DoW’s future obligations related to the Transactions; the availability of government appropriations, funding and support for the Transactions; the availability of additional or replacement funding for our development projects and operations; statements regarding expectations and benefits of a long-term agreement with Apple and the Company’s ability to supply U.S.-produced rare earth magnets; the ability to achieve technological advancements and supply chain objectives and the timing thereof; and statements related to the incentives in the State of Texas related to the 10X Facility. Such statements are all subject to risks, uncertainties and changes in circumstances that could significantly affect the Company’s future financial results and business.

Accordingly, the Company cautions that the forward-looking statements contained herein are qualified by important factors that could cause actual results to differ materially from those reflected by such statements. These forward-looking statements are subject to a number of risks and uncertainties, including, but not limited to, the heightened significance of the development of the Company’s midstream and downstream operations, including ramping its separation capabilities, and its ability to vertically integrate its value chain; risks related to the timing and achievement of expected business milestones, including with respect to the construction of the 10X Facility; the availability of appropriations from the legislative branch of the federal government and the ability of the DoW to obtain funding and support for the Transactions; the determination by the legislative, judicial or executive branches of the federal government that any aspect of the Transactions was unauthorized, void or voidable; our ability to obtain additional or replacement financing, as needed; our ability to effectively assess, determine and monitor the financial, tax and accounting treatment of the Transactions, together with our and the DoW’s obligations thereunder; challenges associated with identifying alternate sales channels and customers for the highly-specialized products contemplated by the Transactions should the partnership be altered or terminated; our ability to effectively use the proceeds and utilize the other anticipated benefits of the Transactions as contemplated thereby; risks related to the Company’s long-term agreement with Apple and the Company’s ability to meet the obligations thereunder, including risks related to our ability to construct, develop and scale our facilities, technology and production; fluctuations in the pricing and volume of the magnet products to be produced under the agreement with Apple, risks related to our ability to satisfy the conditions necessary to receive the Texas incentives related to the 10X Facility, our ability to effectively comply with the broader legal and regulatory requirements and heightened scrutiny associated with government partnerships and contracts; limitations on the Company’s ability to transact with non-U.S. customers; changes in trade and other policies and priorities in U.S. and foreign governments, including with respect to tariffs; fluctuations, variability and uncertainty in demand and pricing in the market for rare earth products, including magnets; volatility in the price of our common stock; and those risk factors discussed in the Company’s filings with the SEC, including Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and other documents filed by the Company with the Securities and Exchange Commission.

If any of these risks materialize or the assumptions prove incorrect, actual results could differ materially from the results implied by these forward-looking statements. The Company does not intend to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. In light of these risks, uncertainties and assumptions, the forward-looking events discussed in this press release may not occur.

Use of Non-GAAP Financial Measures

This press release references certain non-GAAP financial measures, including Adjusted EBITDA, Adjusted Net Income (Loss), and Adjusted Diluted EPS, which have not been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”). MP Materials defines Adjusted EBITDA as GAAP net income or loss before interest expense, net; income tax expense or benefit; and depreciation, depletion and amortization; further adjusted to eliminate the impact of stock-based compensation expense; initial start-up costs; transaction-related and other costs; accretion of asset retirement and environmental obligations; gain or loss on disposals of long-lived assets; other income or loss; and other items that management does not consider representative of our underlying operations. MP Materials defines Adjusted Net Income (Loss) as GAAP net income or loss excluding the impact of stock-based compensation expense; initial start-up costs; transaction-related and other costs; gain or loss on disposals of long-lived assets; change in fair value of derivative instruments; and other items that management does not consider representative of our underlying operations; adjusted to give effect to the income tax impact of such adjustments. MP Materials defines Adjusted Diluted EPS as GAAP diluted earnings or loss per common share, excluding the per-share impact of each adjusting item described in the previous sentence (the numerator) divided by the adjusted diluted weighted-average shares outstanding (the denominator).

MP Materials’ management uses Adjusted EBITDA, Adjusted Net Income (Loss), and Adjusted Diluted EPS to compare MP Materials’ performance to that of prior periods for trend analyses and for budgeting and planning purposes. MP Materials believes Adjusted EBITDA, Adjusted Net Income (Loss), and Adjusted Diluted EPS provide useful information to management and investors regarding certain financial and business trends relating to MP Materials’ financial condition and results of operations. MP Materials’ management believes that the use of Adjusted EBITDA, Adjusted Net Income (Loss), and Adjusted Diluted EPS provides an additional tool for investors to use in evaluating projected operating results and trends. MP Materials’ method of determining these non-GAAP measures may be different from other companies’ methods and, therefore, may not be comparable to those used by other companies and MP Materials does not recommend the sole use of these non-GAAP measures to assess its financial performance. Management does not consider non-GAAP measures in isolation or as an alternative or to be superior to financial measures determined in accordance with GAAP. The principal limitation of non-GAAP financial measures is that they exclude significant expenses and income that are required by GAAP to be recorded in MP Materials’ financial statements. In addition, they are subject to inherent limitations as they reflect the exercise of judgments by management about which expense and income are excluded or included in determining these non-GAAP financial measures. In order to compensate for these limitations, management presents reconciliations of such non-GAAP financial measures to the most directly comparable GAAP financial measures.

Segment Information

The Company’s reportable segments, which are primarily based on the Company’s internal organizational structure and types of products, are its two operating segments—Materials and Magnetics.

The Materials segment operates the Mountain Pass Rare Earth Mine and Processing Facility located near Mountain Pass, San Bernardino County, California, which produces refined rare earth products as well as rare earth concentrate and related products. The Magnetics segment operates a rare earth metal, alloy and magnet manufacturing facility in Fort Worth, Texas (“Independence”), where the Company produces and sells magnetic precursor products and commenced the manufacturing of neodymium-iron-boron (“NdFeB”) permanent magnets in December 2025.

Segment Adjusted EBITDA is management’s primary segment measure of profit or loss required by GAAP in assessing segment performance and deciding how to allocate the Company’s resources. Segment Adjusted EBITDA is calculated as segment revenues and price protection agreement income less significant segment expenses, specifically, cost of sales (excluding depreciation, depletion and amortization and stock-based compensation expense) and selling, general and administrative expenses (excluding stock-based compensation expense), as well as certain other operating expenses (referred to as “other segment items”). Significant segment expenses and other segment items also exclude certain costs that are non-recurring, non-cash or are not related to the segments’ underlying business performance.

Key Performance Indicators

NdPr Production Volume for a given period is measured in MTs, the Company’s principal unit of sale for its NdPr separated products. This measure refers to the volume of finished and packaged NdPr oxide produced at Mountain Pass for a given period. NdPr Production Volume is a key indicator of the separating and finishing capacity and efficiency of the Company’s midstream operations.

NdPr Sales Volume for a given period is measured in MTs and on an NdPr oxide-equivalent basis (as further discussed below). NdPr Sales Volume is a key measure of our ability to convert our production of separated NdPr products into revenue. A unit, or MT, is considered sold once the Materials segment recognizes revenue on its sale, whether sold as NdPr oxide or NdPr metal, as determined in accordance with GAAP. For these NdPr metal sales, the MTs sold and included in NdPr Sales Volume are calculated based on the volume of NdPr oxide used to produce such NdPr metal. In the first quarter of 2026, to better reflect current contractual production yields, we began to utilize an assumed material conversion ratio of 1.25, such that a sale of 100 MTs of NdPr metal would be included in this KPI as 125 MTs of NdPr oxide-equivalent. Prior to this update, we utilized an assumed material conversion ratio of 1.20. The prior period amounts have not been recast. Beginning with the fourth quarter of 2025, NdPr Sales Volume for the Materials segment includes intercompany sales made to the Magnetics segment.

REO Production Volume for a given period is measured in MTs, the Company’s principal unit of sale for its concentrate product. This measure refers to the REO content contained in the rare earth concentrate we produce and includes volumes fed into downstream circuits for producing separated rare earth products, a portion of which is also included in our KPI, NdPr Production Volume. REO Production Volume is a key indicator of the mining and processing capacity and efficiency of the Company’s upstream operations.

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