Exhibit 99.1 MP Materials Reports First Quarter 2025 Results Revenue increased 25% year over year to $60.8 million Record NdPr production of 563 metric tons, a 36% sequential increase Second best quarterly REO production of 12,213 metric tons, a 10% increase year over year NdPr sales volumes more than doubled year over year to 464 metric tons Magnetics division makes first metal deliveries, generating $5.2 million in revenue and positive Adjusted EBITDA Received third $50 million customer prepayment on Apri ...

Financial Performance - Revenue for Q1 2025 was $608 million, compared to $487 million in Q1 2024 [14] - Adjusted EBITDA for Q1 2025 was negative $27 million, compared to negative $12 million in Q1 2024 [14] - Adjusted Diluted EPS for Q1 2025 was negative $012, the same as Q4 2024, but worse than negative $004 in Q1 2024 [14] Operational Highlights - Record NdPr oxide production of 563 MT in Q1 2025, a 36% sequential increase [10] - REO production volumes increased to 12213 MT in Q1 2025, compared to 11478 MT in Q4 2024 and 11151 MT in Q1 2024 [18] - NdPr sales volumes were 464 MT in Q1 2025, slightly down from 468 MT in Q4 2024, but significantly higher than 134 MT in Q1 2024 [18] Segment Performance - Materials Segment revenue for Q1 2025 was $556 million, compared to $487 million in Q1 2024 [22] - Materials Segment Adjusted EBITDA for Q1 2025 was $38 million, compared to $73 million in Q1 2024 [22] - Magnetics Segment generated $52 million in revenue and positive Segment Adjusted EBITDA in Q1 2025 [10, 22] Strategic Initiatives - Ceased sales of concentrate to China and is stockpiling on site [10] - Commenced commercial metal deliveries [10] - Received a third $50 million customer prepayment on April 1st [10]

Group 1 - The core viewpoint of the news is that Shenghe Resources, a Chinese company focused on rare earth business, asserts that the suspension of rare earth concentrate exports to China by MP Materials will not significantly impact its operations due to its diversified supply chain [1] - Shenghe Resources has established alternative supply channels for rare earth materials, including Sichuan mines and imports from other countries [1] - MP Materials halted exports to China in response to a 125% tariff imposed by China on U.S. imports, which is part of the ongoing trade tensions between the two countries [1] Group 2 - China holds 90% of the global rare earth reserves and has advanced extraction and separation technologies, making it a dominant player in the rare earth market [3] - The discovery of a rare earth deposit in Mongolia by Australian company Palabora Resources, with reserves of 275 million tons, has raised concerns in China about losing its market dominance [3] - Mongolia's agreement to supply 31 million tons of rare earths to the U.S. could be undermined by China's control over the transportation routes, as Mongolia is landlocked and relies on Chinese ports for exports [3][5] Group 3 - Mongolia's economic struggles are attributed to its political leaders' ambitions and their attempts to align with Western countries, which may provoke caution from China and Russia [5] - A new cross-border railway agreement between Mongolia and China aims to enhance coal exports from Mongolia to China, indicating a shift towards closer economic ties with its southern neighbor [5][7] - The construction of the 19.5-kilometer railway, which has been in discussion for over a decade, is expected to significantly boost Mongolia's coal exports to China by 30 million tons annually upon completion [7]

Group 1 - MP Materials announced the cessation of rare earth concentrate shipments to China, driven by both commercial interests and geopolitical competition [1][2] - China imports approximately 4% of its total supply of praseodymium and neodymium oxide from the US, and the halt in shipments may lead to a temporary supply contraction [2][3] - The cessation of shipments is expected to drive up rare earth prices, with the rare earth magnetic materials sector likely to experience a reversal [1][3] Group 2 - Supply-side constraints are expected to strengthen due to stricter regulatory measures and potential market exits of smaller enterprises, alongside the impact of MP's shipment halt [3] - Demand for rare earth magnetic materials is anticipated to remain robust, supported by new domestic policies and their critical role in humanoid robots [3]

Core Viewpoint - MP Materials' stock has significantly declined due to President Trump's tariff policies, which have adversely affected its revenue from Chinese customers [1][2][4]. Group 1: Tariff Impact - President Trump has raised tariffs on Chinese imports to approximately 145%, while China has retaliated with 125% tariffs on U.S. imports [2]. - MP Materials has halted shipments of rare-earth concentrates to China, stating that selling under such high tariffs is not commercially rational [3]. - A single customer in China, Shenghe Resources Holding, accounted for about 80% of MP Materials' consolidated revenue, indicating a substantial loss of export business due to the tariffs [4]. Group 2: Company Strategy and Future Outlook - MP Materials has been preparing for the impact of tariffs by building factories to refine its own concentrate and manufacture rare-earth batteries [5]. - In the short term, MP Materials is expected to experience a significant drop in revenue and potentially larger losses than previously anticipated [6]. - Long-term projections suggest that MP Materials may turn profitable, but not before 2026, indicating a challenging year ahead for investors [6].

Company Overview - MP Materials is the only rare earth miner and processor in the U.S., focusing on metals used in specialty magnets for high-tech products like smartphones [2][3] - The company has gained significant attention amid the U.S.-China tariff war, particularly as China has the largest reserves of rare earths and recently halted exports [3] Recent Developments - The Trump administration is reportedly considering an executive order to enable the stockpiling of rare earth materials, which could impact MP Materials positively [4] - MP Materials announced it has ceased shipping rare earth concentrate to China, a significant move given its reliance on Chinese partners for processing [4][5] - The company stated that selling materials under 125% tariffs is not commercially rational and is aligned with America's national interest, emphasizing its production for domestic and other international clients [5] Market Reaction - Following favorable news, MP Materials' shares increased by over 16% during the week [1] - The bullish market reaction is attributed to the developments surrounding the U.S.-China trade situation and the company's strategic decisions [6]

Group 1: Company Overview - MP Materials Corp. shares increased by 10% to $27.58, following a period of 6.6% loss over the past four weeks, indicating a significant recovery in stock performance [1] - The company is positioned to benefit from the U.S. government's focus on domestic production of rare earth minerals, especially as it operates the only scaled rare earth production facility in the U.S. at Mountain Pass [3] Group 2: Market Context - Rare earth prices have risen due to the escalating trade war between the U.S. and China, with the U.S. investigating national security risks related to dependence on imported critical minerals [2] - China has suspended exports of rare earth minerals, impacting industries such as semiconductors and electric vehicles, which rely heavily on these materials [3] Group 3: Financial Expectations - MP Materials is expected to report a quarterly loss of $0.10 per share, a 150% decline year-over-year, while revenues are projected to be $67.05 million, reflecting a 37.7% increase from the previous year [4] - The consensus EPS estimate for MP Materials has been revised down by 15.8% over the last 30 days, indicating a negative trend in earnings estimate revisions, which typically does not lead to price appreciation [5] Group 4: Industry Comparison - MP Materials belongs to the Zacks Mining - Miscellaneous industry, where another company, Wheaton Precious Metals Corp., has seen a 1.7% increase in its stock price, with a 10.4% return over the past month [5] - Wheaton Precious Metals' EPS estimate has increased by 2.7% over the past month, indicating a positive outlook compared to its year-ago EPS, which has grown by 33.3% [6]

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Group 1: Market Reaction - The trade war between the United States and China is driving investors towards MP Materials, leading to a 22.7% increase in its stock price, while the S&P 500 rose by 1.1% [1] - Reports indicate that President Trump may announce an executive order for the U.S. to stockpile rare earth minerals, further boosting interest in MP Materials [2] Group 2: Industry Context - China has halted exports of rare earth minerals, significantly impacting industries reliant on these materials, such as semiconductors, electric vehicles, and defense [3] - Approximately 70% of U.S. imports of rare earth minerals are sourced from China, which is the global leader in production [3] Group 3: Company Specifics - MP Materials operates the only rare earth mining asset, Mountain Pass, in the United States, making it a key player in the market [2] - Despite the potential for increased demand, MP Materials sells its rare earth minerals concentrate to customers in China, indicating a complex market dynamic [4] - The company has identified risks related to changes in China's political environment and export policies, which could adversely affect its financial condition [5]

Group 1 - The Trump administration is drafting an executive order to allow the U.S. to stockpile metal resources from the Pacific seabed, aiming to counter China's dominance in battery metals and rare earth supply chains [1] - The news has positively impacted stock prices, with TMC the Metals rising over 20% and MP Materials increasing nearly 11% in pre-market trading [1] - The seabed contains polymetallic nodules rich in nickel, cobalt, copper, manganese, and trace rare earth minerals, which are essential for electric vehicle batteries and military equipment [1] Group 2 - The executive order would enable U.S. companies to bypass the International Seabed Authority (ISA) and obtain permits from the National Oceanic and Atmospheric Administration, avoiding controversies related to unregulated deep-sea mining [2] - Deep-sea mining has faced opposition due to high costs, lack of understanding of deep-sea ecosystems, and environmental concerns, leading to a lack of formal regulations from ISA [2] - The U.S. has not ratified the United Nations Convention on the Law of the Sea (UNCLOS) but is still expected to adhere to its principles and obligations [3]