ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
You should read the following discussion and analysis of our financial condition and results of operations together with our Consolidated Financial Statements and related notes appearing elsewhere in this annual report on Form 10-K for the year ended December 31, 2025 (this “Annual Report”). A discussion of changes in our consolidated and segment results of operations and/or cash flows between years ended December 31, 2024 and 2023, has been omitted from this Annual Report, but may be found in “Part II, Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations, Comparison of the Years Ended December 31, 2024, 2023, and 2022,” of our annual report on Form 10-K for the year ended December 31, 2024, filed with the U.S. Securities and Exchange Commission on February 28, 2025. This discussion and analysis contains forward-looking statements that involve risks, uncertainties and assumptions. The actual results may differ materially from those anticipated in these forward-looking statements as a result of certain factors, including, but not limited to, those set forth under “Item 1A. Risk Factors” and elsewhere in this Annual Report. See also “Cautionary Note Regarding Forward-Looking Statements.”
Executive Overview
MP Materials Corp., including its subsidiaries (“we,” “our,” “us” and the “Company”), is the largest producer of rare earth materials in the Western Hemisphere. We own and operate the Mountain Pass Rare Earth Mine and Processing Facility (“Mountain Pass”) located near Mountain Pass, San Bernardino County, California, the only rare earth mining and processing site of scale in North America. Rare earth products are critical inputs in hundreds of existing and emerging clean-tech applications including electric vehicles and wind turbines as well as robotics, drones, and defense applications. Additionally, we own and operate a rare earth metal, alloy and magnet manufacturing facility in Fort Worth, Texas (“Independence” or the “Independence Facility”).
Our reportable segments, which are primarily based on our internal organizational structure and types of products, are our two operating segments—Materials and Magnetics.
The Materials segment represents our upstream and midstream operations, which primarily consist of Mountain Pass, a fully integrated mining and refining facility producing refined rare earth oxides (“REO”) and related products. The Materials segment generates revenue primarily from sales of neodymium-praseodymium (“NdPr”) oxide and metal, primarily sold to customers in Japan, South Korea, and broader Asia. The Materials segment historically generated the majority of its revenue from sales of rare earth concentrate primarily to a distributor that, in turn, typically sold that product to refiners in China.
The Magnetics segment represents our downstream magnet manufacturing and related operations, which currently consist of the Independence Facility, a fully integrated metal, alloy, and magnet manufacturing plant. The Magnetics segment began generating revenue from sales of magnetic precursor products to a single customer in the U.S. in the first quarter of 2025 and commenced the manufacturing of neodymium-iron-boron (“NdFeB”) permanent magnets in December 2025.
Certain rare earth elements (“REE”) serve as critical inputs for the rare earth magnets inside the electric motors and generators powering carbon-reducing technologies such as hybrid and electric vehicles (referred to collectively as “xEVs”), advanced electronics, aerospace and defense systems, energy products, robotics and many other high-growth, advanced technologies. Our integrated operations combine low production costs with high environmental standards, thereby restoring American leadership to a critical industry with a strong commitment to sustainability.
Highlights from the year ended December 31, 2025, include:
• Achieved record production volumes of both REO in concentrate and NdPr oxide at Mountain Pass;
• Commenced sales of magnetic precursor products and manufacturing of magnets at Independence;
• Entered into a transformational public-private partnership with the U.S. Department of War (“DoW”) to accelerate the build-out of an end-to-end U.S. rare earth magnet supply chain and reduce foreign dependency, which consisted of a comprehensive, long-term package of commitments from the DoW, including pricing support and a long-term offtake agreement;
• Completed a public offering of 13.6 million shares at $53.35 per share and received net proceeds of $724.2 million;
• Entered into a long-term supply agreement with Apple Inc. (NASDAQ: AAPL) (“Apple”), for magnet production at Independence and the development and installation of scaled recycling capabilities at Mountain Pass, whereby Apple agreed to make prepayments in the aggregate amount of $200.0 million for the purchase of magnets;
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• Received the final $50.0 million prepayment for magnetic precursor products pursuant to the long-term supply agreement with General Motors Company (NYSE: GM) (“GM”); and
• Continued to maintain a strong balance sheet with cash, cash equivalents and short-term investments totaling $1.8 billion as of December 31, 2025, after incurring capital expenditures to advance the completion of the Independence Facility, as well as various projects at Mountain Pass, including the HREE Facility (as defined in Note 17 , “Government Grants,” in the notes to the Consolidated Financial Statements), recycling facilities, and the chlor-alkali facilities.
Our Materials segment delivered strong operational performance in 2025, with our upstream concentrate operations continuing to deliver record production levels and making significant progress toward our Upstream 60K target. Although throughput of separated products remained below design capacity, we saw substantial improvements throughout the year, producing a record 2,599 metric tons (“MTs”) of NdPr oxide, an increase of 101% when compared to prior year.
To align with the DoW Transaction Agreements and our strategic domestic supply chain objectives, we ceased all products sales to China in July 2025. While this strategic decision resulted in a 21% year-over-year revenue decline for the Materials segment, the reduction was tempered by higher NdPr oxide and metal revenues, driven by higher volumes and realized prices, as well as income we recognized from the price protection agreement with the DoW during the fourth quarter of 2025. As a result, the Materials segment achieved positive Segment Adjusted EBITDA.
Our Magnetics segment entered a new phase of growth in 2025, generating $66.9 million in revenue, marking its first year of substantial operating and financial results. Commissioning at Independence advanced rapidly, and our partnership with Apple, along with the start of NdFeB permanent magnet manufacturing in late 2025, accelerated the development of our U.S. magnetics platform.
Recent Developments
Public-Private Partnership with U.S. Department of War
On July 9, 2025, we entered into definitive agreements with the DoW, formerly known as the Department of Defense, (collectively, the “DoW Transaction Agreements”) establishing a transformational public-private partnership with the DoW to accelerate the build-out of an end-to-end U.S. rare earth magnet supply chain and reduce foreign dependency (the “DoW Transactions”).
As part of the DoW Transactions, we agreed to use reasonable best efforts to (i) construct a second domestic magnet manufacturing facility (the “10X Facility”), which will produce sintered NdFeB permanent magnets, (ii) extend heavy rare earth elements (“HREE”) refining capability at Mountain Pass to include the separation of samarium oxide, (iii) recommission the chlor-alkali facilities at Mountain Pass and (iv) expand capacity at the Independence Facility to a projected 3,000 MTs of magnets annually. We also agreed to use up to $600 million of our existing cash to fund these projects.
Additionally, the DoW Transactions consist of a comprehensive, long-term package of commitments from the DoW, including pricing support, a long-term offtake agreement and certain financing arrangements. Key terms include the following:
Pricing & Supply Commitments
Price Protection Agreement
The NdPr price floor protection agreement with the DoW (the “Price Protection Agreement” or “PPA”) establishes a price floor for our NdPr products (e.g., concentrate, oxide and metal) (collectively, “NdPr Products”), commencing on October 1, 2025, and continuing for approximately ten years through December 31, 2035. Throughout the PPA’s term, we will have the right to receive cash from, or the obligation to deliver cash to, the DoW based on (i) our designation of NdPr Products produced and/or sold (the “NdPr Designation”) and (ii) the Benchmark Quarterly Average Volume Weighted Price (as defined in the PPA).
At the conclusion of each quarter, we may elect, at our option, any of the following NdPr Designations (without duplication):
• “Stockpile” represents produced, but not yet sold NdPr Product,
• “Affiliate sales” represents internally sold NdPr Product, such as sales from the Materials segment to the Magnetics segment, or
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• “Third party sales” represents externally sold NdPr Product.
On a quarterly basis, the DoW will pay us an amount per kilogram (“kg”) equivalent of NdPr Products equal to the shortfall between $110 and the Benchmark Quarterly Average Volume Weighted Price. Once the 10X Facility reaches full production capacity (the “Production Milestone Date”), and the Benchmark Quarterly Average Volume Weighted Price exceeds $110, we will pay the DoW 30% of the amount by which the Benchmark Quarterly Average Volume Weighted Price exceeds $110.
DoW Offtake Agreement
We entered into a magnet offtake agreement with the DoW (the “DoW Offtake Agreement”), pursuant to which we will sell to the DoW the entire amount of magnets produced at the 10X Facility; provided, however, that at the DoW’s request, or at our request and with the DoW’s consent, we may sell up to 100% of magnet production to other third party customers. The DoW will acquire the magnets at a price equal to their production costs (as defined in the DoW Offtake Agreement), plus the guaranteed EBITDA discussed below. The DoW Offtake Agreement’s term will continue through 10 years from the date at which the 10X Facility begins operations and is capable of producing any quantity of magnets (the “Commercial Operation Date”).
In accordance with the DoW Offtake Agreement, the DoW guaranteed that the 10X Facility will generate at least $140 million of EBITDA (as defined in the DoW Offtake Agreement) on an annual basis after the Production Milestone Date, adjusted annually in each calendar year following 2025 for inflation at a rate equal to 2% (the “Threshold EBITDA Amount”). Between the Commercial Operation Date and the Production Milestone Date, we are entitled to a proportion of the Threshold EBITDA Amount based on demonstrated capacity levels. The DoW will make quarterly payments to us in an amount equal to 25% of the Threshold EBITDA Amount, subject to annual true-up.
Commencing on the Production Milestone Date, if we sell magnets to third-party customers, the DoW will be entitled to receive for each calendar year (i) the first $30 million of EBITDA attributable to the 10X Facility that exceeds the Threshold EBITDA Amount (the “Initial Excess Amount”) and thereafter (ii) 50% of the EBITDA attributable to the 10X Facility that exceeds the Initial Excess Amount.
Under the DoW Offtake Agreement, before the Commercial Operation Date, we are entitled to receive reimbursement from the DoW for certain incremental costs incurred by us in connection with engineering, development and start-up of the 10X Facility and for designing magnets to the DoW’s specifications (to the extent such costs are not capitalizable as 10X Facility construction costs), with such payments being capped at $30 million in any calendar year.
The DoW Transaction Agreements also provide that the DoW will assist us in procuring HREE feedstock required for magnet production at the 10X Facility over the duration of the DoW Offtake Agreement. Working capital costs associated with stockpiling or forward purchasing of HREE are also reimbursable by the DoW, with no annual cap, through the Commercial Operation Date.
Financings
As part of the financing for the projects described above, we issued 400,000 shares of newly designated Series A Cumulative Perpetual Convertible Preferred Stock, par value $0.0001 per share (the “Series A Preferred Stock”) to the DoW for cash consideration of $400.0 million. At the election of the DoW, the Series A Preferred Stock is convertible at any time into 13,320,013 shares of our common stock at an initial conversion price of $30.03 per share, subject to customary anti-dilution adjustments. See Note 14 , “Redeemable Preferred Stock,” in the notes to the Consolidated Financial Statements for additional details.
We also issued a warrant (the “Warrant”) to the DoW, exercisable at any time for a period of ten years for up to 11,201,659 shares of our common stock, at an initial exercise price of $30.03 per share, subject to customary anti-dilution adjustments. In the aggregate, the common stock into which the Series A Preferred Stock is initially convertible and for which the Warrant is initially exercisable collectively represented 15% of the issued and outstanding shares of our common stock as of July 9, 2025, without giving effect to the issuance of such shares.
In addition to the issuance of securities, we also obtained a commitment letter (the “Commitment Letter”) from JPMorgan Chase Funding Inc. and Goldman Sachs Bank USA (along with their affiliates, the “Banks”), pursuant to which the Banks agreed to provide committed secured financing in an amount equal to, in the aggregate, at least $1 billion. The Commitment Letter expired undrawn on its own terms on August 26, 2025, as it was reduced on a dollar-for-dollar basis upon the Offering
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(as defined below) and our execution of the Revolving Credit Facility (as defined in the “Liquidity and Capital Resources” section below).
Finally, in August 2025, we issued a $150.0 million unsecured promissory note to the DoW with a 12-year term, maturing on August 1, 2037 (the “Samarium Project Loan”). The Samarium Project Loan was issued for the purpose of extending HREE refining capability at Mountain Pass to include the separation of samarium oxide. See the “Liquidity and Capital Resources” section below for additional details.
Public Offering of Common Stock
In July 2025, we completed an underwritten public offering of 13,590,908 shares of our common stock, par value $0.0001 per share, at a price to the public of $55.00 per share (the “Offering”). The underwriters purchased the shares of common stock at the price of $53.35, including the full exercise of the underwriters’ option to purchase additional shares of our common stock, solely to cover over-allotments. Our net proceeds from the Offering were $724.2 million, after deducting underwriting discounts and commissions and other offering expenses.
Agreement with Apple Inc.
In July 2025, we entered into a definitive, long-term supply agreement with Apple for the development, manufacture, and supply of magnets from our Independence Facility, as well as the development and installation of scaled recycling capabilities at Mountain Pass to produce the contained rare earths from post-industrial and post-consumer recycled rare earth feedstocks. In connection with the agreement, and subject to achieving specified milestones, Apple agreed to make prepayments in the aggregate amount of $200.0 million for the purchase of magnets from the Company, of which we received $40.0 million during the third quarter of 2025, and became entitled to an additional $32.0 million in the fourth quarter of 2025. See Note 16 , “Revenue Recognition, ” in the notes to the Consolidated Financial Statements for additional details.
Cessation of Shipments to China and Stockpiling of Rare Earth Concentrate
Historically, through our Materials segment, we sold the vast majority of our rare earth concentrate to a single, principal customer in China under the terms of the Shenghe Offtake Agreement (as defined in Note 21 , “Related-Party Transactions,” in the notes to the Consolidated Financial Statements). In July 2025, to align with the terms of the DoW Transaction Agreements and in further support of our domestic supply chain objectives, we ceased all sales of our products to China.
We continue to produce concentrate, and to the extent not sold or further processed and sold as separated product, we stockpile that concentrate for future use. In addition, we are prioritizing accelerating our downstream operations, as well as focusing on generating sales of separated products to customers.
The cessation of shipments had, at least in the short term, a material negative impact on our business, operating results, financial performance and financial condition, cash flows and liquidity.
Factors Affecting Our Performance
We believe we are uniquely positioned to capitalize on the trends of electrification and supply chain security, particularly as domestic industrial supply chain initiatives advance. Our continued success depends to a significant extent on our ability to take advantage of the following opportunities and meet the challenges associated with them.
Demand for REE
The drivers for REE demand are a diverse array of growing end markets, including electric mobility; physical AI; industrial, consumer and professional service robotics; renewable power generation; energy-efficient motors, pumps, and compressors; consumer and medical applications; critical defense systems; and catalysts and phosphors.
Throughout 2025, China imposed and expanded export controls and restrictions on certain rare earths and related materials, requiring companies to secure special export licenses and obtain Chinese government approval for exports of products containing even small amounts of Chinese-origin rare earths, among other restrictions. While in November 2025 the U.S. reached a trade and economic deal in which China agreed to suspend implementation of the expanded export controls and to suspend retaliatory tariffs and non-tariff measures imposed since March 2025, these developments have led and continue to lead to several market trends, which may or may not be permanent, including volatility and disruptions in global supply chains, shortages of rare earth elements, potential price volatility, and an increased demand for alternative supply chains outside of China, all of which, if sustained, may have a material impact on the demand for our products.
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These developments further catalyzed action by a number of governments and rare earth users to accelerate geographic supply chain diversification for REE products. In particular, the U.S. government has implemented a number of initiatives to restore domestic supply of critical minerals. We believe we are uniquely positioned to benefit from this trend.
Maximizing Upstream and Midstream Production Efficiency
After an initial ramp and optimization period, we have produced at least 40,000 MTs of REO in concentrate each year since 2021, culminating in record production levels. These results were achieved by optimizing the reagent scheme, adjusting process temperatures, improving tailings facility management, and committing to operational excellence. Our initiative to optimize upstream operations has enabled us to attain what we believe to be world-class production cost levels for rare earth concentrate.
In November 2023, we announced our “Upstream 60K” strategy whereby we intend to grow our annual REO Production Volume to approximately 60,000 MTs via investments in further beneficiation capacity and through better usage of lower-grade ore and other underutilized parts of the Mountain Pass ore body.
Midstream operations produce separated REE from our rare earth concentrate. The optimization of our refining capabilities incorporated upgrades and enhancements to the prior facility process flow to produce separated REE at a lower cost while minimizing our impact on the environment. More specifically, we have reintroduced an oxidizing roasting circuit, reoriented portions of the plant process flow, increased product finishing capacity, improved wastewater management, and made other improvements to materials handling and storage. The reintroduction of the oxidizing roasting circuit allows subsequent stages of the production process to occur at lower temperatures, and with lower volumes of materials and reagents, which supports lower operating and maintenance costs and higher uptime than would otherwise be achievable.
The success of our business reflects our ability to continue to manage our costs and drive scale. Our upstream production achievements have provided economies of scale to lower production costs per MT of REO produced in concentrate. Furthermore, our midstream process flow was designed to capitalize on the inherent advantages of the bastnaesite ore at Mountain Pass, which is well-suited to low-cost refining by selectively eliminating the need to carry cerium, a lower-value element, through the separations process. Additionally, our location and integration offer cost and transportation advantages that create efficiencies in production, security of incoming supplies and shipping of our final products.
During the second half of 2023, we began producing separated rare earth products, including NdPr oxide, which represents a majority of the value contained in our concentrate. We continue to expect that it may take many quarters to achieve our designed throughput of NdPr oxide. However, as we increase production over time, we expect to reduce our per-unit production costs. Until such time that we achieve our designed throughputs of separated products, including HREE, we may experience unstable operations and elevated costs of our initial production of such products.
In 2026, we expect to begin refining HREE with initial production of terbium and dysprosium. As part of our partnership with the DoW, we have committed to further extend our HREE refining capabilities to include the separation of samarium oxide and to recommission the chlor-alkali facilities at Mountain Pass. Additionally, as part of our agreement with Apple, we will develop and install scaled magnet recycling capabilities at Mountain Pass with dedicated capacity for both NdPr and heavy rare earth separation.
We currently generate our revenue primarily from our Materials segment, which operates a single site in a single location, and any stoppage in activity, including for reasons outside of our control, could adversely impact our production, results of operations and cash flows.
Development of Our Downstream Manufacturing Capabilities
We are in the final stages of commissioning magnet manufacturing equipment at Independence and continue to develop engineering and manufacturing technology to process NdPr oxide and metal into NdFeB magnets. Our operations also incorporate magnet recycling capabilities. These initiatives are central to our long-term strategy to become a leading global supplier of rare earth magnets. We believe this vertical integration is a core competitive advantage in the production of a critical industrial output. Furthermore, we expect our downstream manufacturing operations to benefit from geopolitical developments, including initiatives to repatriate critical materials supply chains, including those supported by our agreements with the DoW and Apple described in the “Recent Developments” section above.
Our Independence Facility converts NdPr oxide produced at Mountain Pass into permanent magnets and its precursor products, with integrated capabilities to support magnet recycling. Our operations are expected to progress in phases, with magnet production volumes increasing over time as additional capabilities are commissioned and scaled. As part of our partnership with the DoW, we committed to expand capacity of the Independence Facility to a projected 3,000 MTs of magnets
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annually. Output from the Independence Facility is expected to support a range of end markets, including electric vehicles, robotics, semiconductor manufacturing, clean energy, electronics and defense technologies.
In late 2024, we commissioned electrowinning capabilities at the Independence Facility to produce NdPr metal from NdPr oxide. Additionally, in 2025, we added strip casting capabilities to produce NdFeB alloy flake, a key precursor product that is utilized as the material feedstock for magnet manufacturing. We also began trial production of automotive-grade, sintered NdFeB magnets at our new product introduction (“NPI”) facility within Independence and recently commenced manufacturing NdFeB magnets on the industrial scale equipment.
In the first quarter of 2025, we commenced sales of magnetic precursor products, primarily NdPr metal. We expect to continue selling magnetic precursor products ahead of fully commissioning our magnet manufacturing capabilities, which commissioning began in late 2025. After the Independence Facility is commissioned and scaled, we expect to primarily sell finished magnets.
Also as part of our commitment to the DoW, we agreed to construct the 10X Facility, which will be our second domestic rare earth magnet manufacturing facility. The 10X Facility is expected to begin commissioning in 2028, and once completed and scaled, it will produce an estimated 7,000 MTs of magnets per year. When combined with the Independence Facility’s 3,000 MTs per year of magnets, our overall U.S. rare earth magnet production capacity will expand to an estimated 10,000 MTs per year, thus significantly scaling domestic output to serve both defense and commercial customers.
While we have grown increasingly confident about our future outlook with the progress made to-date, there are inherent risks in finalizing construction and developing the process technology for magnet manufacturing. For instance, unforeseen delays in construction or the installation of specific equipment may occur, or our products may fail to satisfy customer expectations, which could adversely affect both the amount and timing of our revenue from permanent magnets and precursor products.
Our Mineral Reserves
Our ore body has proven over more than 70 years of operations to be one of the world’s largest and highest-grade rare earth resources. As of December 31, 2025, SRK Consulting (U.S.), Inc., an independent consulting firm that we retained to assess our reserves, estimated total proven and probable reserves of 1.96 million short tons of REO contained in 28.96 million short tons of ore at Mountain Pass, with an average ore grade of 5.89%. These estimates use an estimated economical cut-off grade of 2.50% total rare earth oxide. Based on these estimated reserves and our expected annual production rate of REO upon production ramp-up of our midstream operations, our expected mine life was approximately 28 years as of December 31, 2025. Over time, we expect to be able to continue to grow our expected mine life through additional exploratory drilling and improved processing capabilities, which may result in changes to various assumptions underlying our mineral reserve estimate.
Mining activities in the U.S. are heavily regulated, particularly in California. Regulatory changes may make it more challenging for us to access our reserves. In addition, new mineral deposits may be discovered elsewhere, which could make our operations less competitive.
Key Performance Indicators
In evaluating the performance of our Materials segment, we use the key performance indicators (“KPIs”) outlined below. However, as our business continues to evolve, the metrics that management uses to evaluate the business may continue to change or be revised. For example, beginning with this Annual Report, we no longer present NdPr Realized Price per kg, as it is no longer meaningful in evaluating and understanding our business or operating results due to the impact of the Price Protection Agreement, which commenced on October 1, 2025, and established a price floor for our NdPr Products. See “Recent Developments” section for additional information on the PPA. Our calculations of the KPIs presented may differ from similar measures published by other companies in our industry or in other industries. See the “Materials Segment” section below for further discussion of year-over-year changes in KPIs. Since the Magnetics segment only recently commenced production, we have not established any KPIs for its operations.
REO Production Volume
We measure our REO-equivalent production volume for a given period in MTs, our principal unit of sale for our concentrate product. This measure refers to the REO content contained in the rare earth concentrate we produce and, beginning in the second quarter of 2023, includes volumes fed into downstream circuits for commissioning and starting up our separations facilities and for producing separated rare earth products, a portion of which is also included in our KPI, NdPr Production
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Volume. REO Production Volume is a key indicator of the mining and processing capacity and efficiency of our upstream operations.
The rare earth concentrate is a processed, concentrated form of our mined rare earth-bearing ores. While our unit of production and sale is a MT of contained REO, the actual weight of our rare earth concentrate is significantly greater, as the concentrate also contains non-REO minerals, loss-on-ignition, and residual moisture from the production process. We target REO content of greater than 60% per dry MT of concentrate (referred to as “REO grade”). The elemental distribution of REO in our concentrate is relatively consistent over time and production lot. We consider this the natural distribution, as it reflects the distribution of elements contained, on average, in our ore.
REO Sales Volume
Our REO Sales Volume for a given period is calculated in MTs. A unit, or MT, is considered sold once we recognize revenue on its sale as determined in accordance with generally accepted accounting principles in the United States (“GAAP”). Our REO Sales Volume has historically been a key measure of our ability to convert our concentrate production into revenue. Our REO Sales Volume includes both traditional concentrate as well as roasted concentrate. Given the cessation of shipments of our concentrate as discussed in the “Recent Developments” section above, we do not expect historical REO Sales Volume to be representative of future volumes. Furthermore, we anticipate no longer reporting REO Sales Volume in periods beginning after December 31, 2025.
Realized Price per REO MT
We calculate the Realized Price per REO MT for a given period as the quotient of: (i) our rare earth concentrate sales, which are determined in accordance with GAAP, for a given period and (ii) our REO Sales Volume for the same period. Realized Price per REO MT has historically been an important measure of the market price of our concentrate product. Consistent with REO Sales Volume, we anticipate no longer reporting Realized Price per REO MT in periods beginning after December 31, 2025.
NdPr Production Volume
We measure our NdPr Production Volume for a given period in MTs, our principal unit of sale for our NdPr separated products. NdPr Production Volume 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 our midstream operations.
NdPr Sales Volume
Our NdPr Sales Volume for a given period is calculated in MTs and on an NdPr oxide-equivalent basis (as further discussed below). 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. We utilize an assumed material conversion ratio of 1.20, such that a sale of 100 MTs of NdPr metal would be included in this KPI as 120 MTs of NdPr oxide-equivalent. NdPr Sales Volume is a key measure of our ability to convert our production of separated NdPr products into revenue. Beginning with the fourth quarter of 2025, NdPr Sales Volume for the Materials segment includes intercompany sales made to the Magnetics segment.
For the Materials segment, we have a mix of contracts with customers where we sell NdPr as (i) oxide, (ii) metal, where the amount of oxide required to produce such metal is variable, and (iii) metal, where we have a guarantee of the amount produced and sold based on the amount of oxide consumed. Among other factors, differences between quarterly NdPr Production Volume and NdPr Sales Volume may be caused by the time required for the conversion of NdPr oxide to NdPr metal, including time in-transit, as well as differences in actual versus assumed yields of oxide to metal in the calculation of NdPr Sales Volume.
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Results of Operations
Comparison of the Years Ended December 31, 2025, 2024, and 2023
Consolidated Results
For the year ended December 31,
$ Change
% Change
(in thousands, except per share data and percentages)
Total revenue
Net income (loss)
Basic earnings (loss) per common share
Diluted earnings (loss) per common share
Net cash provided by (used in) operating activities
Adjusted EBITDA (1)
Adjusted Net Income (Loss) (1)
Adjusted Diluted EPS (1)
Free Cash Flow (1)
N/M = Not meaningful.
(1) Non-GAAP financial measures are defined and reconciled to the most directly comparable GAAP financial measures in the “Non-GAAP Financial Measures” section below.
Revenue
Rare earth concentrate revenue consists of sales of traditional and roasted rare earth concentrate. For the majority of our sales of rare earth concentrate, the sales price is based on a preliminary market price (net of taxes, tariffs, and certain other agreed charges) per MT, with an adjustment for the ultimate market price of the product realized upon final sale, including the impact of changes in exchange rates.
NdPr oxide and metal revenue consists of sales of NdPr oxide and metal produced at Mountain Pass under individual sales agreements, as well as sales under our distribution agreement with Sumitomo Corporation of Americas.
Magnetic precursor products revenue consists of sales of magnetic precursor products, including NdPr metal, produced at the Independence Facility and sold in the U.S. Sales of these products commenced in the first quarter of 2025 pursuant to a long-term supply agreement with GM.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Rare earth concentrate
NdPr oxide and metal
Magnetic precursor products
Other revenue
Intersegment eliminations (1)
Total revenue
N/M = Not meaningful.
(1) Represents the elimination of intersegment revenues associated with NdPr oxide sales made by the Materials segment to the Magnetics segment.
Total revenue increased for the year ended December 31, 2025, compared to the prior year, primarily as a result of ramping production of separated products throughout 2025, resulting in higher NdPr oxide and metal revenue in the current year. Additionally, during the year ended December 31, 2025, we began recognizing revenue from the sales of magnetic precursor products, with no comparable revenue in the prior year. The increase was partially offset by lower rare earth concentrate revenues, driven by the cessation of all sales to China starting in July 2025.
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As a result of the items discussed in the “Recent Developments” section above, we expect our rare earth concentrate revenues, if any, to be materially lower in future periods as we no longer sell this product to China. This will allow us to prioritize further processing the concentrate into separated rare earth products or stockpiling them for future use. Similarly, as production of separated rare earth products and magnetic precursor products continues to ramp, we expect revenue from NdPr oxide and metal as well as magnetic precursor products to comprise a growing portion of our total revenue in 2026. See the “Segment Results” section below for further discussion of year-over-year changes in revenue.
Price protection agreement income
As discussed in the “Recent Developments” section above, the PPA for our NdPr Products commenced on October 1, 2025; given market prices for NdPr Products in the fourth quarter, we recognized price protection agreement income (“PPA Income”) based on the right to receive cash from the DoW for the difference between $110 per kg and the Benchmark Quarterly Average Volume Weighted Price (as defined in the PPA) for the NdPr Products produced at Mountain Pass that were sold or produced and stockpiled during the fourth quarter of 2025. The majority of the PPA Income recognized during the fourth quarter of 2025 pertained to sales to third parties and NdPr Products produced and stockpiled.
For the year ended December 31,
$ Change
% Change
(in thousands)
Price protection agreement income
N/M = Not meaningful.
Cost of sales (excluding depreciation, depletion and amortization)
Cost of sales (excluding depreciation, depletion and amortization) (“COS”) consists of mining, processing, separations, and metal making-related labor costs (including wages and salaries, benefits, bonuses, and stock-based compensation); mining, processing, separations, and metal making-related supplies and reagents; parts and labor for the maintenance of our mining fleet and processing and separating facilities; other facilities-related costs (such as property taxes and utilities); packaging materials; and shipping and freight costs.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Cost of sales (excluding depreciation, depletion and amortization)
COS remained relatively flat year-over-year, a net result of higher sales of NdPr oxide and metal in 2025, as well as the production costs associated with the magnetic precursor products sold in the current year, specifically NdPr metal at the Independence Facility, with no comparable costs in the prior year, offset partially by a decline in per-unit production costs associated with separated rare earth products as we continue to ramp and optimize production, coupled with the decrease in rare earth concentrate revenues. Notwithstanding, per-unit production costs of separated products are necessarily higher than those of rare earth concentrate due to the additional processing required. Such costs pertain primarily to chemical reagents, employee labor, maintenance expenses, and consumables.
Additionally, compared to the prior year, COS for the year ended December 31, 2025, benefited from $18.5 million of fewer write-downs on certain of our work in process and finished goods inventories, as well as a higher Section 45X Advanced Manufacturing Production Credit (the “45X Credit”), which increased by $2.8 million, further lowering our COS in the current year.
As we produce and sell more separated products at Mountain Pass, we expect that COS may continue to increase in 2026 even as certain per-unit production efficiencies and economies of scale are expected to be achieved. Accordingly, in future periods, any further increase in sales of NdPr oxide and metal may result in higher year-over-year COS. Additionally, should we further ramp the production of magnetic precursor products as well as magnets at Independence, COS may also increase.
Selling, general and administrative
Selling, general and administrative (“SG&A”) expenses consist primarily of personnel costs (including salaries, benefits, bonuses, and stock-based compensation) of our administrative functions such as executives, accounting and finance, legal, and
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information technology; professional services (including legal, regulatory, audit and others); certain engineering expenses; insurance, license and permit costs; corporate office lease cost; office supplies; and certain environmental, health and safety expenses.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Selling, general and administrative
The year-over-year increase in SG&A expenses for the year ended December 31, 2025, was driven primarily by higher personnel costs, which increased by $9.9 million, primarily due to the continued growth in our employee headcount to support our downstream expansion, as well as higher legal costs, which increased by $10.2 million, partially due to a construction-related litigation matter.
Depreciation, depletion and amortization
Depreciation, depletion and amortization (“DD&A”) primarily consists of depreciation of property, plant and equipment, depletion of mineral rights, and beginning with the fourth quarter of 2025, amortization of the right to the price floor protection granted by the DoW under the PPA.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Depreciation, depletion and amortization
The year-over-year increase in DD&A for the year ended December 31, 2025, primarily reflects $11.4 million of amortization related to the price protection agreement upfront asset, with no comparable cost in the prior year. Depreciation increased by $6.0 million as a result of the timing of placing certain machinery and equipment assets into service, with the majority placed into service during the fourth quarter of 2024 as we began production of magnetic precursor products at Independence. Depletion decreased by $6.3 million in the current year due to an increase in capitalized depletion as a result of greater inventory balances year over year, including stockpiled concentrate.
Start-up costs
Start-up costs relate to costs associated with restarting an existing facility or commissioning a new facility, circuit or process of our production, manufacturing, or separations facilities prior to the achievement of commercial production, that do not qualify for capitalization. Such costs, which are expensed as incurred, include certain salaries and wages, outside services, parts, training, and utilities, among other items, used or consumed directly in these start-up activities.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Start-up costs
The year-over-year decrease in start-up costs for the year ended December 31, 2025, was attributable primarily to our downstream initiatives, where start-up activities have declined in line with the commencement of our production of magnetic precursor products at Independence in late 2024. However, as we ramp up start-up activities related to magnet production, we expect that start-up costs may increase in future periods.
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Advanced projects and development
Advanced projects and development consists principally of costs incurred to support growth initiatives, including business and corporate development, as well as costs incurred in connection with research and development of new processes or to significantly enhance our existing processes.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Advanced projects and development
Advanced projects and development for the year ended December 31, 2025, increased year over year, primarily due to higher transaction costs, largely associated with the transactions described in the “Recent Developments” section above, including $12.7 million of costs incurred in connection with the DoW Transactions and $7.4 million related to the Commitment Letter that expired undrawn on its own terms, also in connection with the DoW Transactions. This was partially offset by lower research and development costs and corporate development costs in 2025.
Other operating costs and expenses
Other operating costs and expenses consists primarily of accretion of asset retirement and environmental obligations and gains or losses on disposals of long-lived assets, including demolition costs.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Other operating costs and expenses
The year-over-year decrease for the year ended December 31, 2025, was attributed primarily to a higher loss on environmental obligations incurred in the prior year.
Interest expense, net
Interest expense, net principally consists of the expense associated with the 0.25% and 3.00% per annum coupon interest rates and amortization of the debt issuance costs on our 2026 Notes and 2030 Notes (as defined below), respectively, as well as interest expense associated with the Samarium Project Loan, offset by interest capitalized to property, plant and equipment.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Interest expense, net
Interest expense, net for the year ended December 31, 2025, increased year over year primarily due to the interest expense associated with the issuance of the Samarium Project Loan in August 2025 and the 2030 Notes in March and December 2024, partially offset by repurchases of the 2026 Notes in 2024 and by higher capitalized interest in the current year as we continue to construct our Independence Facility, as well as various projects at Mountain Pass.
Gain on early extinguishment of debt
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Gain on early extinguishment of debt
N/M = Not meaningful.
Gain on early extinguishment of debt for the year ended December 31, 2024, was the result of the repurchase and exchange of portions of our 2026 Notes at prices lower than the associated carrying amounts. See the “Liquidity and Capital Resources” section below for additional information.
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Other income, net
Other income, net consists of interest and investment income and non-operating gains or losses.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Other income, net
Other income, net for the year ended December 31, 2025, increased year over year in part due to $8.7 million of favorable changes in the fair value of the derivative instrument related to the redemption feature included in the portion of the 2030 Notes issued in December 2024. Additionally, during the year ended December 31, 2025, we earned $6.7 million of higher interest and investment income on our short-term investments and interest-bearing demand deposit accounts. Our short-term investments balance increased in 2025 as a result of the funds received from the DoW Transactions and the Offering. Interest and investment income is principally generated from accretion of the discount on such investments.
Income tax benefit (expense)
Income tax expense or benefit consists of an estimate of U.S. federal and state income taxes in the jurisdictions in which we conduct business, adjusted for federal, state and local allowable income tax benefits, the effect of permanent differences and any valuation allowance against deferred tax assets.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Income (loss) before income taxes
Income tax benefit (expense)
Effective tax rate
N/M = Not meaningful.
The effective tax rate for the year ended December 31, 2025, differed from the statutory tax rate of 21% primarily due to the 45X Credit, the Section 48C Qualifying Advanced Energy Project Tax Credit, percentage depletion, and state income tax expense, offset by a deduction limitation on officers’ compensation and a valuation allowance on California Competes Tax Credits (“CCTCs”). The effective tax rate for the year ended December 31, 2024, differed from the statutory tax rate of 21% primarily due to state income tax expense, percentage depletion, the 45X Credit, and CCTCs, offset by a deduction limitation on officers’ compensation. For additional information on the 45X Credit, refer to Note 12 , “Income Taxes,” and Note 17 , “Government Grants,” in the notes to the Consolidated Financial Statements.
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Segment Results
Materials Segment
The Materials segment operates Mountain Pass, which produces refined REO and related products as well as rare earth concentrate products.
KPIs
Year ended December 31,
Amount Change
% Change
(in whole units or dollars, except percentages)
Rare earth concentrate (1)
REO Production Volume (MTs)
REO Sales Volume (MTs)
Realized Price per REO MT
Separated NdPr products (1)
NdPr Production Volume (MTs)
NdPr Sales Volume (MTs)
N/M = Not meaningful.
(1) See the “Key Performance Indicators” section above for further discussion of the definitions of our KPIs.
Revenue, PPA Income, and Segment Adjusted EBITDA
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Revenue:
Rare earth concentrate
NdPr oxide and metal
Other revenue
Total revenue
Price protection agreement income
Segment Adjusted EBITDA (1)
N/M = Not meaningful.
(1) Segment Adjusted EBITDA is management’s primary segment measure of profit or loss in assessing segment performance and deciding how to allocate the Company’s resources. See Note 22 , “Segment Reporting,” in the notes to the Consolidated Financial Statements for additional information on the calculation of Segment Adjusted EBITDA.
The year-over-year decrease in rare earth concentrate revenue for the year ended December 31, 2025, was primarily driven by the decrease in REO Sales Volume impacted by the July 2025 cessation of all sales to China as well as the ramp-up in midstream operations, where a significantly higher portion of REO produced was refined and sold as NdPr oxide and metal during the current year. Historically, our REO Sales Volume generally tracked our REO Production Volume with slight period-to-period differences caused by the timing of shipments. However, as a result of the same factors that drove the current year decrease in REO Sales Volume, we expect our rare earth concentrate revenues, if any, to be materially lower in future periods .
The year-over-year increase in NdPr oxide and metal revenue for the year ended December 31, 2025, was primarily driven by higher NdPr Sales Volume as a result of continuing to ramp our production of separated products throughout the current year, while also benefiting from higher realized prices as compared to the prior year. During the fourth quarter of 2025, we commenced intersegment sales of NdPr oxide to the Magnetics segment.
As discussed in the “Recent Developments” section above, the PPA for our NdPr Products commenced on October 1, 2025; given market prices for NdPr Products in the fourth quarter, we recognized PPA Income based on the right to receive cash from the DoW, which had a significant impact on the operating results of the Materials segment, resulting in positive
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Materials Segment Adjusted EBITDA for the year ended December 31, 2025, and an increase of $31.0 million when compared to the prior year.
The Materials Segment Adjusted EBITDA increased year over year driven by the PPA Income, which was partially offset by the decrease in revenue discussed above. Additionally, segment cost of sales ( excluding depreciation, depletion and amortization and stock-based compensation expense) (“Segment COS”) decreased year over year by $29.4 million due to (i) lower per-unit production costs for separated products sold relative to the prior year, even though a greater number of MTs were sold during 2025 and (ii) lower rare earth concentrate sales.
Magnetics Segment
The Magnetics segment operates the Independence Facility, where we produce and sell magnetic precursor products and have commenced the manufacturing of NdFeB permanent magnets in December 2025.
Revenue and Segment Adjusted EBITDA
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Revenue:
Magnetic precursor products
Segment Adjusted EBITDA (1)
N/M = Not meaningful.
(1) Segment Adjusted EBITDA is management’s primary segment measure of profit or loss in assessing segment performance and deciding how to allocate the Company’s resources. See Note 22 , “Segment Reporting,” in the notes to the Consolidated Financial Statements for additional information on the calculation of Segment Adjusted EBITDA.
We began generating revenue from sales of magnetic precursor products during the first quarter of 2025, with no comparable sales during the prior years, which drove the year-over-year increase in Magnetics Segment Adjusted EBITDA. We continue to expect that the historical trend of Magnetics Segment Adjusted EBITDA will be impacted by the production and timing of magnetic precursor products and NdFeB permanent magnets.
Under our long-term supply agreement with GM, as of December 31, 2025, we collected all required prepayments for the sale of magnetic precursor products (i.e., NdPr metal) totaling $150.0 million. As of this same date, we had sold $66.9 million of magnetic precursor products to GM and remain obligated to transfer the remaining $83.1 million, which we anticipate will occur throughout 2026 and the first half of 2027. Upon fulfilling our remaining commitment, we do not anticipate additional sales of magnetic precursor products to GM. However, we currently anticipate that we will begin sales of finished magnets to GM in 2026, prior to fulfilling our remaining commitment regarding magnetic precursor products.
Corporate Expenses and Other
Corporate expenses and other is primarily comprised of the operating results of other business activities that exclude our Materials and Magnetics segments and include costs incurred at the corporate level that are not allocated to the operating segments, specifically relating to executive compensation, investor relations, other corporate costs, and unallocated shared service functions such as legal, information technology, human resources, finance and accounting and supply chain. Corporate expenses and other excludes stock-based compensation expense.
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Corporate expenses and other
The increase in corporate expenses and other for the year ended December 31, 2025, as compared to the prior year, was driven primarily by expenses related to corporate travel and professional service costs, which increased by $5.2 million, as well as higher personnel costs (other than stock-based compensation expense) related to executives and administrative personnel, which increased by $1.2 million.
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Liquidity and Capital Resources
Liquidity refers to our ability to generate sufficient cash flows to meet the cash requirements of our business operations, including working capital and capital expenditure needs, contractual obligations, debt service and other commitments. In addition to net cash from operating activities, which includes advanced payments from customers for future goods and services, our principal sources of liquidity have been issuances of long-term debt and offerings of shares of our common stock and Series A Preferred Stock. As of December 31, 2025, we had $1.8 billion of cash, cash equivalents and short-term investments and $1.1 billion of principal amount of long-term debt and equipment notes, including $71.4 million classified as current.
Historically, our results of operations and cash flows have depended in large part upon the market prices of rare earth products. Rare earth concentrate is not quoted on any major commodities market or exchange and demand is currently constrained to a relatively limited number of refiners, a significant majority of which are based in China. Uncertainty exists as to the market price of rare earth products primarily due to actual or perceived concerns over increases in the supply of and/or decreases in demand for rare earth products as well as global economic conditions. For example, the significant decrease in the market price of rare earth products in 2023 and 2024 negatively impacted our cash flows from operations and liquidity in those years.
The cessation of shipments to China had, at least in the short-term, a material negative impact on our results of operations and cash flows. However, with the commencement of the PPA on October 1, 2025, and starting with the fourth quarter of 2025, this negative impact was significantly reduced as the PPA began to provide us with pricing stability, including on stockpiled inventory. We believe that our cash flows from operations and cash on hand are adequate to meet our liquidity requirements for the foreseeable future. Specifically, as part of the DoW Transactions, we received significant cash investments and future commitments from the DoW, and in July 2025, we also received a prepayment commitment from Apple, while raising $724.2 million in net proceeds in the Offering. See the “Recent Developments” section for additional information.
While the DoW Transactions, together with our supply agreements with Apple and GM, provide a measure of certainty with respect to both near- and longer-term demand for our products and related revenues, there are still significant factors that could negatively impact our liquidity, particularly in the longer-term, many of which remain largely uncertain and dependent on future developments that cannot be accurately predicted at this time, such as: our ability to accelerate our downstream operations and expansion, achieve our business milestones, and perform the obligations under our customer supply agreements, our ability and that of the U.S. Government to perform our respective obligations under the DoW Transaction Agreements, as well as further changes in trade policies in the United States, China or other countries, including the implementation of new tariffs, increases in or reductions of existing tariffs, or the taking of other actions.
Our current working capital needs relate mainly to our mining, beneficiation, and separation operations. These needs have increased materially in recent years as we have ramped up the production and sales of separated rare earth products. In addition, they have also increased as a result of the DoW Transactions and our agreement with Apple. Furthermore, we expect working capital requirements to continue increasing in 2026 and beyond as we scale separated rare earth production at Mountain Pass and further advance our downstream magnetics operations and initiatives at Independence, and in the future, the 10X Facility. This includes the production and sales of magnetic precursor products, the commissioning of our magnet manufacturing capabilities, as well as a build-up of raw materials and parts necessary to support these initiatives.
The completion of our mission to become a fully integrated domestic magnetics producer is expected to be capital intensive. Our principal capital expenditure requirements relate mainly to further investing in Mountain Pass, including the development of the HREE Facility, recommissioning the chlor-alkali facilities, development of recycling capabilities, Upstream 60K, and other growth and investment projects, completing the commissioning of our magnet manufacturing capabilities at Independence, and in the future, construction of the 10X Facility, as well as periodic repairs and maintenance costs. We expect to spend between $500 million and $600 million of capital costs in 2026 (net of any proceeds from government awards received). Our future capital requirements will also depend on several other factors, including market conditions, de-bottlenecking initiatives, decisions regarding downstream production capability, and potential acquisitions.
Our estimated costs or estimated time to complete and commission these projects may increase, potentially significantly, due to factors outside of our control. While we believe that we have sufficient cash resources to fund these initiatives and operating working capital in the near term, we cannot assure this. If our available resources prove inadequate to fund our plans or commitments, we may be forced to revise our strategy and business plans or could be required, or elect, to seek additional funding through public or private equity or debt financings; however, such funding may not be available on terms acceptable to us, if at all. Any delays in our ongoing capital projects or substantial cost increases, including construction costs and related materials costs related to their execution, could significantly impact our ability to maximize our revenue opportunities and adversely impact our business and cash flows.
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Debt and Other Long-Term Obligations
Revolving Credit Facility: In August 2025, we entered into a credit agreement with JPMorgan Chase Bank, N.A., as administrative agent, and various other lenders, providing a $275.0 million revolving credit facility (the “Revolving Credit Facility”), maturing on August 25, 2030, with a $200.0 million letter of credit facility sublimit (the “Credit Agreement”). As of December 31, 2025, we had no outstanding borrowings under the Revolving Credit Facility, $160.0 million of unused letter of credit capacity, and $235.0 million of remaining borrowing capacity under the Revolving Credit Facility.
Interest rates under the Revolving Credit Facility are variable based on the Secured Overnight Financing Rate (“SOFR”), or at our option, at a base reference rate equal to the highest of (i) the federal funds rate plus 0.50%, (ii) the rate of interest last quoted by The Wall Street Journal as the “prime rate” in the U.S., (iii) the one-month SOFR rate plus 1.00% or (iv) 1.00% (the “Base Rate”), plus, as applicable, a margin ranging from 1.75% to 2.50% per annum for SOFR-based loans and ranging from 0.75% to 1.50% per annum for Base Rate-based loans, in each case, depending on our total leverage ratio.
The Credit Agreement is subject to financial covenants that are tested at the end of each fiscal quarter. From the inception of the Credit Agreement until the earlier of the fiscal quarter in which our Consolidated EBITDA (as calculated and defined in the Credit Agreement) equals or exceeds $400.0 million for the test period and the fiscal quarter ending June 30, 2027 (the “Covenant Trigger Event”), we must maintain unrestricted cash and cash equivalents of at least $500.0 million. Following the Covenant Trigger Event, we are required to maintain a total leverage ratio of less than 4.00:1.00, or 4.50:1.00 for the fiscal quarter of and the three consecutive fiscal quarters following any material acquisition, and a cash interest coverage ratio greater than 3.0:1.0.
The Credit Agreement is guaranteed by us and our subsidiaries, subject to certain customary exceptions. Failure to comply with any of the covenants associated with the Credit Agreement could result in a default under its terms. Such a default would permit lenders to accelerate the maturity of the debt and to foreclose upon any collateral securing such debt. We are in compliance with the applicable financial covenant contained in the Credit Agreement as of December 31, 2025.
2026 Notes: In March 2021, we issued $690.0 million in aggregate principal amount of 0.25% unsecured convertible senior notes (the “2026 Notes”) at a price of par. Interest on the 2026 Notes is payable on April 1 st and October 1 st of each year, beginning on October 1, 2021.
In March 2024, contemporaneous with the pricing of the 2030 Notes (as defined below), we entered into privately negotiated transactions with certain holders of the 2026 Notes to repurchase $400.0 million in aggregate principal amount of the 2026 Notes, using $358.0 million of the net proceeds from the offering of the 2030 Notes. The price we paid to repurchase the 2026 Notes, 89.5% of par value, was the same for each lender and approximated the trading price of the 2026 Notes at the time of the repurchases. Subsequent to the issuance of the 2030 Notes, we repurchased an additional $80.0 million in aggregate principal amount of the 2026 Notes in open market transactions for $70.6 million. As a result of these repurchases in the first quarter of 2024, we recorded a $46.3 million gain on early extinguishment of debt during the year ended December 31, 2024.
The remaining 2026 Notes outstanding mature, unless earlier converted, redeemed or repurchased, on April 1, 2026, and become convertible at the option of the holder beginning on January 1, 2026, through the business day immediately preceding the maturity date. The initial conversion price of the remaining 2026 Notes is approximately $44.28 per share, or 22.5861 shares per $1,000 principal amount of notes, subject to adjustment upon the occurrence of certain events.
In March 2024, we provided a written notice to the trustee and the holders of the 2026 Notes that we have irrevocably elected to fix the settlement method for all conversions that may occur subsequent to the election date, to a combination of cash and shares of our common stock with the specified dollar amount per $1,000 principal amount of the 2026 Notes of $1,000. As a result, for any conversions of 2026 Notes occurring after the election date, a converting holder will receive (i) up to $1,000 in cash per $1,000 principal amount of the 2026 Notes and (ii) shares of our common stock for any conversion consideration in excess of $1,000 per $1,000 principal amount of the 2026 Notes converted.
2030 Notes: In March 2024, we issued $747.5 million in aggregate principal amount of 3.00% unsecured convertible senior notes that mature, unless earlier converted, redeemed or repurchased, on March 1, 2030 (the “2030 Notes” and, together with the 2026 Notes, the “Convertible Notes”), at a price of par. Interest on the 2030 Notes is payable on March 1st and September 1st of each year, beginning on September 1, 2024.
The 2030 Notes are convertible into cash, shares of our common stock or a combination thereof, at our election, at an initial conversion price of approximately $21.74 per share, or 45.9939 shares per $1,000 principal amount of 2030 Notes, subject to adjustment upon the occurrence of certain events.
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Prior to December 1, 2029, at their election, holders of the 2030 Notes may convert their outstanding notes under the following circumstances: (i) during any calendar quarter commencing with the third quarter of 2024 if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during the period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day (the “Stock Price Condition”); (ii) during the five business day period after any ten consecutive trading day period (the “2030 Notes measurement period”) in which the trading price (as defined in the indenture governing the 2030 Notes) per $1,000 principal amount of 2030 Notes for each trading day of the 2030 Notes measurement period was less than 98% of the product of the last reported sale price of our common stock and the conversion rate on each such trading day; (iii) if we call any or all of the 2030 Notes for redemption, the notes called for redemption may be converted at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (iv) upon the occurrence of specified corporate events set forth in the indenture governing the 2030 Notes. On or after December 1, 2029, and prior to the close of business on the second scheduled trading day immediately preceding the maturity date of the 2030 Notes, holders may convert their outstanding notes at any time, regardless of the foregoing circumstances.
Commencing the fourth quarter of 2025, the 2030 Notes became convertible at the option of the holders, and will remain convertible through the first quarter of 2026, due to the Stock Price Condition being met. On a quarterly basis, we will reassess the Stock Price Condition; thus, the 2030 Notes may continue or cease to be convertible in future quarters depending on the performance of the Company’s stock price. As of December 31, 2025, no conversions had occurred.
We have the option to redeem for cash the 2030 Notes, in whole or in part, beginning on March 5, 2027, if certain conditions are met as set forth in the indenture governing the 2030 Notes. The redemption price is equal to 100% of the principal amount of the notes to be redeemed, plus accrued and unpaid interest.
Capped Call Options: In March 2024, in connection with the offering of the 2030 Notes, we entered into privately negotiated capped call transactions (the “Capped Call Options”) with certain financial institutions (“Counterparties”). The Capped Call Options cover, subject to anti-dilution adjustments substantially similar to those in the 2030 Notes, 34.4 million shares of our common stock, the same number of shares that initially underlie the 2030 Notes issued in March 2024. The Capped Call Options have an expiration date of March 1, 2030, subject to earlier exercise.
The Capped Call Options are intended, subject to our discretion and depending on whether we elect to exercise our rights under such options, to reduce the potential dilution to our common stock upon conversion of the 2030 Notes and/or offset cash payments we are required to make in excess of the principal amount of the converted 2030 Notes, as the case may be. This would apply in the event that the market price per share of our common stock, as measured under the terms of the Capped Call Options, is greater than the strike price of the Capped Call Options, which initially corresponds to the initial conversion price of the 2030 Notes, or approximately $21.74 per share of common stock, with such reduction and/or offset subject to an initial cap of $31.06 per share of our common stock. We paid $65.3 million for the Capped Call Options in March 2024.
Convertible Notes Debt Exchange: In December 2024, we entered into privately negotiated exchange agreements with certain holders of the 2026 Notes (the “Debt Exchange Agreements”). Pursuant to the Debt Exchange Agreements, $142.3 million in aggregate principal amount of the 2026 Notes was exchanged for $115.3 million in aggregate principal amount of the 2030 Notes (the “Debt Exchange”), which had the same terms and conditions as the 2030 Notes issued in March 2024.
As a result of the Debt Exchange, we recorded a $6.6 million gain on early extinguishment of debt; a $13.8 million increase (net of the associated deferred tax impact of $4.0 million) to “Additional paid-in capital” included within the Consolidated Balance Sheets, as the 2030 Notes pertaining to this Debt Exchange were issued at a substantial premium; and total debt issuance costs of $4.5 million. For the avoidance of doubt, the 2030 Notes issued as part of the Debt Exchange are not associated with the Capped Call Options.
Samarium Project Loan: In August 2025, we issued a $150.0 million unsecured promissory note to the DoW with a 12-year term, maturing on August 1, 2037. The Samarium Project Loan bears interest at a rate of 5.38% per annum, calculated as the 10-year U.S. Treasury constant maturity rate plus 1.00%. Interest on the Samarium Project Loan is payable in cash quarterly in arrears on the 15 th day of each calendar quarter, beginning on October 15, 2025. We may prepay the Samarium Project Loan, in whole or in part, at any time, including all accrued interest, without premium, cost or penalty. The outstanding principal and all accrued and unpaid interest under the Samarium Project Loan become immediately due and payable upon the occurrence of certain conditions, such as payment defaults, as specified in the promissory note to the DoW.
Equipment Notes: In December 2024, we and Caterpillar Financial Services Corporation entered into an uncommitted credit facility (the “Uncommitted Credit Facility”) with a principal amount of up to $25.0 million, which was subsequently
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increased to $40.0 million in December 2025. During the year ended December 31, 2025, we executed promissory notes under the Uncommitted Credit Facility to finance new equipment, including trucks and wheel loaders, for use at Mountain Pass. As of December 31, 2025, we had $15.7 million of remaining borrowing capacity under the Uncommitted Credit Facility. Our equipment notes, which are secured by the purchased equipment, had $24.3 million in principal (and accrued interest) outstanding as of December 31, 2025. See Note 10 , “Debt Obligations,” in the notes to the Consolidated Financial Statements for further information on our debt obligations.
Leases: We have lease arrangements for certain equipment and facilities, including office space, warehouses and equipment used in our operations. As of December 31, 2025, we had future expected lease payment obligations related to our operating leases totaling $13.1 million, with $3.9 million due within the next 12 months. Our finance leases were not material. See Note 11 , “Operating Leases,” in the notes to the Consolidated Financial Statements for further information.
Purchase Obligations: Our outstanding purchase obligations as of December 31, 2025, primarily consist of purchase orders initiated with vendors and suppliers in the ordinary course of business for operating and maintenance capital expenditures that will be settled within one year. Generally, we are permitted to cancel, reschedule or adjust these orders. We have also entered into long-term supply arrangements for certain chemical reagents used in our operations, which are based on current or anticipated consumption requirements. Additionally, our engineering, procurement, and construction contracts, including those for long-lead equipment, are typically cancellable.
Asset Retirement and Environmental Obligations: See Note 9 , “Asset Retirement and Environmental Obligations,” in the notes to the Consolidated Financial Statements for our estimated cash requirements to settle asset retirement and environmental obligations.
Other: In order to support the continued advancement of our Independence Facility and magnetics capability, as well as the construction of the 10X Facility, we expect to hire several hundred additional full-time employees in 2026 and expect a headcount of approximately 1,500 supporting the 10X Facility at full capacity. These increases in headcount will result in additional cash requirements for salaries, bonuses, benefits and training.
Share Repurchase Program
In March 2024, our Board of Directors approved a share repurchase program (the “Program”) effective for one year under which the Company became authorized to repurchase up to an aggregate amount of $300.0 million of our outstanding common stock. In August 2024, our Board of Directors approved a $300.0 million increase to the Program, bringing the total authorized amount to $600.0 million. The authorization did not require the purchase of any minimum number of shares. On July 11, 2025, pursuant to the terms of the DoW Transaction Agreements, we terminated the Program.
Cash Flows
The following table summarizes our cash flows:
For the year ended December 31,
$ Change
% Change
(in thousands, except percentages)
Net cash provided by (used in):
Operating activities
Investing activities
Financing activities
N/M = Not meaningful.
Net Cash Provided by (Used in) Operating Activities: Net cash used in operating activities was $155.8 million for the year ended December 31, 2025, as compared to the net cash provided by operating activities of $13.3 million in the prior year, driven primarily by (i) the increase in inventories, including stockpiled concentrate, to support the ramp of production of separated products and magnetic precursor products, (ii) decrease in cash received from customers, as the cash associated with a portion of the revenue recognized in the current year was received in the prior year, and (iii) an increase in cash paid for interest of $11.0 million due to the 2030 Notes.
Net Cash Provided by (Used in) Investing Activities: Net cash used in investing activities was $206.0 million for the year ended December 31, 2025, as compared to the net cash provided by investing activities of $10.1 million in the prior year. The change in cash flows from investing activities was primarily driven by higher purchases of short-term investments in the current
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year, resulting in an increase of cash used in investing activities of $251.0 million. This was partially offset by $24.2 million in proceeds received from government awards in the current year that were used for construction, and lower overall cash expenditures on additions to property, plant and equipment, which decreased by $14.0 million when compared to the prior year, driven by lower construction spend on certain projects, such as the HREE Facility. Additionally, we also received $9.7 million in the current year period in exchange for the sale of our 49% interest in VREX Holdco Pte. Ltd.
Net Cash Provided by (Used in) Financing Activities: Net cash provided by financing activities was $1,245.6 million for the year ended December 31, 2025, as compared to the net cash used in financing activities of $4.8 million in the prior year, driven primarily by the net cash proceeds of $1.3 billion received from the Offering and the DoW Transactions. The prior year included the net cash flow impact of $12.4 million from the issuance of the 2030 Notes, the payments of debt issuance costs associated with the 2030 Notes, the payments made to retire a significant portion of the 2026 Notes, the purchase of the Capped Call Options, and the payments made to repurchase our common stock, offset partially by debt issuance costs of $4.5 million recorded in connection with the Debt Exchange during the year ended December 31, 2024.
Non-GAAP Financial Measures
We present Adjusted EBITDA, Adjusted Net Income (Loss), Adjusted Diluted EPS, and Free Cash Flow, which are non-GAAP financial measures that we use to supplement our results presented in accordance with GAAP. These measures may be similar to measures reported by other companies in our industry and are regularly used by securities analysts and investors to measure companies’ financial performance. Adjusted EBITDA, Adjusted Net Income (Loss), Adjusted Diluted EPS, and Free Cash Flow are not intended to be substitutes for any GAAP financial measures and, as calculated, may not be comparable to other similarly titled measures of performance or liquidity of other companies within our industry or in other industries.
Adjusted EBITDA
We define Adjusted EBITDA as our 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; loss on environmental obligations; gain or loss on disposals of long-lived assets; gain or loss on early extinguishment of debt; other income or loss; and other items that we do not consider representative of our underlying operations. We present Adjusted EBITDA because it is used by management to evaluate our underlying operating and financial performance and trends. Adjusted EBITDA excludes certain expenses that are required in accordance with GAAP because they are non-recurring, non-cash or are not related to our underlying business performance. This non-GAAP financial measure is intended to supplement our GAAP results and should not be used as a substitute for financial measures presented in accordance with GAAP.
The following table presents a reconciliation of our Adjusted EBITDA, which is a non-GAAP financial measure, to our net income or loss, which is determined in accordance with GAAP:
For the year ended December 31,
(in thousands)
Net income (loss)
Adjusted for:
Depreciation, depletion and amortization
Interest expense, net
Income tax expense (benefit)
Stock-based compensation expense (1)
Initial start-up costs (2)
Transaction-related and other costs (3)
Accretion of asset retirement and environmental obligations (4)
Loss on environmental obligations (4)
Loss on disposals of long-lived assets, net (4)
Gain on early extinguishment of debt
Other income, net
Adjusted EBITDA
(1) Principally included in “Selling, general and administrative” within our Consolidated Statements of Operations.
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(2) Included in “Start-up costs” within our Consolidated Statements of Operations and excludes any applicable stock-based compensation, which is included in the “Stock-based compensation expense” line above. Relates to certain costs incurred in connection with the commissioning and starting up of our initial separations capability at Mountain Pass and our initial magnet-making capabilities at the Independence Facility prior to the achievement of commercial production. These costs include labor of incremental employees hired in advance to work directly on such commissioning activities, training costs, costs of testing and commissioning the new circuits and processes, and other related costs. Given the nature and scale of the related costs and activities, management does not view these as normal, recurring operating expenses, but rather as non-recurring investments to initially develop our separations and magnet-making capabilities. Therefore, we believe it is useful and necessary for investors to understand our core operating performance in current and future periods by excluding the impact of these start-up costs. To the extent additional start-up costs are incurred in the future to expand our separations and magnet-making capabilities after initial achievement of commercial production (e.g., significantly expanding production capacity at an existing facility or building a new separations or magnet manufacturing facility), such costs would not be considered an adjustment for this non-GAAP financial measure.
(3) Pertains to legal, consulting, and advisory services, and other costs associated with specific matters or transactions. The year ended December 31, 2025, included $12.7 million of costs incurred in association with the DoW transactions, $11.9 million of costs associated with a construction-related litigation matter and $7.4 million of costs incurred to secure financing. For the years ended December 31, 2025 and 2023, amounts are principally included in “Advanced projects and development” within our Consolidated Statements of Operations. For the year ended December 31, 2024, amount is principally included in “Selling, general and administrative” within our Consolidated Statements of Operations.
(4) Included in “Other operating costs and expenses” within our Consolidated Statements of Operations.
Adjusted Net Income (Loss) and Adjusted Diluted EPS
We calculate Adjusted Net Income (Loss) as our GAAP net income or loss excluding the impact of stock-based compensation expense; initial start-up costs; transaction-related and other costs; loss on environmental obligations; gain or loss on disposals of long-lived assets; gain or loss on early extinguishment of debt; and other items that we do not consider representative of our underlying operations; adjusted to give effect to the income tax impact of such adjustments. We calculate Adjusted Diluted EPS as our 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). In addition, when appropriate, we include an adjustment to reverse the impact of applying the if-converted method to our 2026 Notes if necessary to reconcile between GAAP diluted earnings or loss per common share and Adjusted Diluted EPS.
Adjusted Net Income (Loss) and Adjusted Diluted EPS exclude certain expenses that are required in accordance with GAAP because they are non-recurring, non-cash, or not related to our underlying business performance. To calculate the income tax impact of such adjustments on a year-to-date basis, we utilize an effective tax rate equal to our income tax expense or benefit excluding material discrete costs and benefits, with any impacts of changes in effective tax rate being recognized in the current period. We present Adjusted Net Income (Loss) and Adjusted Diluted EPS because it is used by management to evaluate our underlying operating and financial performance and trends. These non-GAAP financial measures are intended to supplement our GAAP results and should not be used as a substitute for financial measures presented in accordance with GAAP.
The following table presents a reconciliation of our Adjusted Net Income (Loss), which is a non-GAAP financial measure, to our net income or loss, which is determined in accordance with GAAP:
For the year ended December 31,
(in thousands)
Net income (loss)
Adjusted for:
Stock-based compensation expense (1)
Initial start-up costs (2)
Transaction-related and other costs (3)
Loss on environmental obligations (4)
Loss on disposals of long-lived assets, net (4)
Gain on early extinguishment of debt
Other (5)
Tax impact of adjustments above (6)
Adjusted Net Income (Loss)
(1) Principally included in “Selling, general and administrative” within our Consolidated Statements of Operations.
(2) Included in “Start-up costs” within our Consolidated Statements of Operations and excludes any applicable stock-based compensation, which is included in the “Stock-based compensation expense” line above. Relates to certain costs incurred in connection with the commissioning and starting up of our initial separations capability at Mountain Pass and our initial magnet-making capabilities at the Independence Facility prior to the achievement
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of commercial production. These costs include labor of incremental employees hired in advance to work directly on such commissioning activities, training costs, costs of testing and commissioning the new circuits and processes, and other related costs. Given the nature and scale of the related costs and activities, management does not view these as normal, recurring operating expenses, but rather as non-recurring investments to initially develop our separations and magnet-making capabilities. Therefore, we believe it is useful and necessary for investors to understand our core operating performance in current and future periods by excluding the impact of these start-up costs. To the extent additional start-up costs are incurred in the future to expand our separations and magnet-making capabilities after initial achievement of commercial production (e.g., significantly expanding production capacity at an existing facility or building a new separations or magnet manufacturing facility), such costs would not be considered an adjustment for this non-GAAP financial measure.
(3) Pertains to legal, consulting, and advisory services, and other costs associated with specific matters or transactions. The year ended December 31, 2025, included $12.7 million of costs incurred in association with the DoW transactions, $11.9 million of costs associated with a construction-related litigation matter and $7.4 million of costs incurred to secure financing. For the years ended December 31, 2025 and 2023, amounts are principally included in “Advanced projects and development” within our Consolidated Statements of Operations. For the year ended December 31, 2024, amount is principally included in “Selling, general and administrative” within our Consolidated Statements of Operations.
(4) Included in “Other operating costs and expenses” within our Consolidated Statements of Operations.
(5) Included in “Other income, net” within our Consolidated Statements of Operations. Amount for the year ended December 31, 2025, pertains to the change in fair value of the redemption feature included in the portion of our 2030 Notes that were issued in December 2024.
(6) Tax impact of adjustments is calculated using an adjusted effective tax rate, which excludes the impact of discrete tax costs and benefits, to each adjustment. The adjusted effective tax rates were 26.5%, 31.3% and 25.9% for the years ended December 31, 2025, 2024 and 2023, respectively. See Note 12 , “Income Taxes,” in the notes to the Consolidated Financial Statements for more information on the effective tax rate.
The following table presents a reconciliation of our Adjusted Diluted EPS, which is a non-GAAP financial measure, to our diluted earnings or loss per common share, which is determined in accordance with GAAP:
For the year ended December 31,
Diluted earnings (loss) per common share
Adjusted for:
Stock-based compensation expense
Initial start-up costs
Transaction-related and other costs
Loss on environmental obligations
Loss on disposals of long-lived assets, net
Gain on early extinguishment of debt
Other
Tax impact of adjustments above (1)
2026 Notes if-converted method (2)
Adjusted Diluted EPS
Diluted weighted-average shares outstanding
Assumed conversion of 2026 Notes (3)(4)
Adjusted diluted weighted-average shares outstanding
(1) Tax impact of adjustments is calculated using an adjusted effective tax rate, which excludes the impact of discrete tax costs and benefits, to each adjustment. The adjusted effective tax rates were 26.5%, 31.3% and 25.9% for the years ended December 31, 2025, 2024 and 2023, respectively. See Note 12 , “Income Taxes,” in the notes to the Consolidated Financial Statements for more information on the effective tax rate.
(2) For the year ended December 31, 2024, since the 2026 Notes were dilutive for purposes of computing GAAP diluted loss per common share but antidilutive for purposes of computing Adjusted Diluted EPS, within this reconciliation, we have included this adjustment to reverse the impact of applying the if-converted method to the 2026 Notes in the computation of GAAP diluted loss per common share.
(3) For the year ended December 31, 2024, since the 2026 Notes were dilutive for purposes of computing GAAP diluted loss per common share but antidilutive for purposes of computing Adjusted Diluted EPS, the adjusted diluted weighted-average shares outstanding exclude the potentially dilutive securities associated with the 2026 Notes.
(4) For the year ended December 31, 2023, the 2026 Notes were antidilutive for GAAP purposes. For purposes of calculating Adjusted Diluted EPS, we have added back the assumed conversion of the 2026 Notes since they would not be antidilutive when using Adjusted Net Income (Loss) as the numerator in the calculation of Adjusted Diluted EPS.
Free Cash Flow
We calculate Free Cash Flow as net cash provided by or used in operating activities less additions to property, plant and equipment, net of proceeds from government awards used for construction. We believe Free Cash Flow is useful for comparing our ability to generate cash with that of our peers. The presentation of Free Cash Flow is not meant to be considered in isolation
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or as an alternative to cash flows from operating activities and does not necessarily indicate whether cash flows will be sufficient to fund cash needs.
The following table presents a reconciliation of our Free Cash Flow, which is a non-GAAP financial measure, to our net cash provided by (used in) operating activities, which is determined in accordance with GAAP:
For the year ended December 31,
(in thousands)
Net cash provided by (used in) operating activities
Additions to property, plant and equipment, net (1)
Free Cash Flow
(1) Amounts for the years ended December 31, 2025, 2024 and 2023, are net of $24.2 million, $0.1 million and $2.8 million, respectively, in proceeds from government awards used for construction.
Critical Accounting Estimates
Preparation of the Consolidated Financial Statements in accordance with GAAP requires our management to make judgments, estimates and assumptions that impact the reported amount of revenue and operating expenses, assets and liabilities and the disclosure of contingent assets and liabilities. We consider an accounting judgment, estimate or assumption to be critical when (i) the estimate or assumption is complex in nature or requires a high degree of judgment and (ii) the use of different judgments, estimates and assumptions could have a material impact on our Consolidated Financial Statements. Our significant accounting policies are described in Note 2 , “Significant Accounting Policies,” in the notes to the Consolidated Financial Statements. Our critical accounting estimates are described below.
Financial Instruments Associated with the DoW Transactions
As described in Note 3 , “Public-Private Partnership with U.S. Department of War,” in the notes to the Consolidated Financial Statements, on July 9, 2025, the Company entered into the DoW Transaction Agreements, which resulted in the issuance and recognition of the Series A Preferred Stock, Warrant and the Samarium Project Loan. The Company engaged independent valuation specialists to assist with the determination of the fair value of the Series A Preferred Stock, Warrant and the Samarium Project Loan. These instruments were recorded at their allocated relative fair value of the cash and PPA Upfront Asset received. The initial measurement of the transaction and allocation of proceeds to the various components required significant judgments and estimates, primarily related to fair value measurement.
The estimates related to the initial fair value of the Series A Preferred Stock, Warrant and the Samarium Project Loan and therefore, the allocation of proceeds, were based on observable inputs such as our stock price and implied volatility and other inputs traditionally associated with equity and debt valuations. Changes in certain assumptions underlying the fair value determinations of the instruments issued to the DoW could have resulted in a different relative fair value allocation among the Series A Preferred Stock, Warrant and the Samarium Project Loan. The PPA Upfront Asset was initially measured as the excess of the relative fair value of the Series A Preferred Stock, Warrant and the Samarium Project Loan over the cash consideration received from the DoW. As a result, changes in certain assumptions utilized in the valuation of the instruments issued could have resulted in a different initial value of the PPA Upfront Asset.
To validate that all instruments exchanged with the DoW were properly identified, the Company’s valuation specialists assisted with an assessment of the fair value of the PPA Upfront Asset. The valuation utilized estimates and assumptions regarding NdPr commodity prices, forecasted production over the PPA’s 10-year term, and was discounted based on our estimated cost of capital. The valuation results indicated that the Company properly identified all of the exchanged instruments at fair value. The PPA Upfront Asset is amortized over the Company’s expected pattern of economic benefit, which was derived from the PPA Upfront Asset’s valuation. Prospective changes in the expected pattern of economic benefit as a result of revised estimates and assumptions could result in adjustments to the periodic amortization expense recognized for the PPA Upfront Asset over the remaining term.
Inventories
Raw materials, mined ore stockpiles, work in process, and finished goods inventories, including non-current inventories, are carried at weighted average cost. Supplies are carried at moving average cost. All inventories are carried at the lower of cost or net realizable value, which represents the estimated selling price of the product during the ordinary course of business based on current market conditions less reasonably predictable costs of completion, disposal, and transportation. Costs of completion include labor, utilities, reagents, maintenance, and allocated production overhead costs, including depreciation and depletion.
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We evaluate the carrying amount of inventory each reporting period, considering recent and expected market prices, income to be recognized under the PPA, slow-moving items, obsolescence, excess inventory levels, as well as other factors, and recognize related write-downs if it is determined that the inventory is impaired. In addition, our estimate of costs of completion may be impacted by forecasted production levels, which are particularly sensitive before we achieve our anticipated production levels for our midstream operations. Although considerable effort is made to ensure the accuracy of our forecasts of future product demand, market conditions, or other cost assumptions, any significant unfavorable changes in demand, market price or expected usage could have a significant negative impact on the value of our inventory and our results of operations. At least until such time that we achieve our anticipated throughput, we may continue to incur write-downs of certain of our separated product inventories. See Note 5 , “Inventories,” in the notes to the Consolidated Financial Statements for more information.
Asset Retirement Obligations (“ARO”)
We recognize ARO for estimated costs of legally and contractually required closure, dismantlement, and reclamation activities associated with Mountain Pass. ARO are initially recognized at their estimated fair value in the period in which the obligation is incurred. In determining fair value, management makes estimates based on the expected timing of reclamation activities; cash flows to perform activities, which involves utilizing an assumption for future inflation; amount and uncertainty associated with the cash flows, including adjustments for a market risk premium; and discounts such amounts using a credit-adjusted risk-free rate. Although we base our estimates on historical experience and reevaluate our estimated timing and cash flows regularly, since the majority of the cash flows to settle our ARO occur decades in the future, it is inherently difficult to accurately predict the ultimate cash flows used to settle such obligations. As a result, these estimates and assumptions are subjective and can vary over time. See Note 9 , “Asset Retirement and Environmental Obligations,” in the notes to the Consolidated Financial Statements for more information.
Environmental Obligations (“ENV”)
Our operating activities are subject to various laws and regulations governing protection of the environment. We conduct our operations to protect public health and the environment and believe our operations are in compliance with applicable laws and regulations in all material respects. We recognize certain environmental monitoring and remediation obligations related to the groundwater contamination in and around Mountain Pass. We engage environmental consultants to develop remediation plans and the related cost projections, which are used to develop an estimate of future cash payments needed to satisfy the Company’s environmental obligations. If the cost can only be estimated as a range of possible amounts with no point in the range being more likely, the minimum of the range is accrued. It is possible that additional environmental obligations could be incurred, the extent of which cannot be assessed. As assessments and remediation progress occur, the Company periodically reviews its estimates and records any necessary adjustments in the period in which new information becomes available.
We estimate the cash outflows related to these environmental activities will be incurred annually over the next 30 years but could be longer. The Company’s environmental obligations are measured at the expected value of future cash outflows, adjusted for future inflation and discounted to their present value using a risk-free rate, which we derive from U.S. Treasury yields. See Note 9 , “Asset Retirement and Environmental Obligations,” in the notes to the Consolidated Financial Statements for more information.
Recently Adopted and Issued Accounting Pronouncements
Recently adopted and issued accounting pronouncements are described in Note 2 , “Significant Accounting Policies,” in the notes to the Consolidated Financial Statements.
