Exhibit 99.1 News Release – August 6, 2024 Arcadium Lithium Releases Second Quarter 2024 Results • Realized Average Pricing of $17,200 / Product Metric Ton for Lithium Hydroxide and Carbonate in the Second Quarter • Tracking Towards High End of $60 to 80 million Cost Savings Guidance in 2024 and Accelerating Further Cost Reductions • Projecting a 25% Increase in Combined Lithium Hydroxide and Carbonate Volume in Both 2024 and 2025 versus the Prior Year • Reducing Capital Spending by ~$500 million Over Next ...

PHILADELPHIA and PERTH, Australia, Aug. 2, 2024 /PRNewswire/ -- Acquisition is expected to provide safer, lower cost and more sustainable process pathways for lithium metal production using various grades of lithium carbonate Arcadium Lithium plc (NYSE: ALTM, ASX: LTM, "Arcadium Lithium") today announced it has acquired the lithium metal business of Li-Metal Corp. (CSE: LIM) (OTCQB: LIMFF) (FSE: 5ZO). The all-cash US$11 million acquisition includes the intellectual property and physical assets related to li ...

Core Viewpoint - The upcoming earnings report for Arcadium, scheduled for August 6, 2024, is critical for stock movement, with expectations of a potential increase if results exceed estimates, and a decrease if they fall short [1]. Earnings Estimates and Predictions - The Most Accurate Estimate for Arcadium aligns with the Zacks Consensus Estimate, resulting in an Earnings ESP of 0%, indicating no recent differing analyst views [2]. - Over the last four quarters, Arcadium has surpassed consensus EPS estimates twice, suggesting some potential for positive surprises [4]. - Wall Street anticipates a year-over-year earnings decline of 90.2%, with expected quarterly earnings of $0.05 per share [6]. Market Expectations and Comparisons - The consensus outlook indicates a decline in earnings despite higher revenues, emphasizing the importance of actual results compared to estimates for stock price impact [5]. - The consensus EPS estimate for Arcadium has remained unchanged over the last 30 days, reflecting analysts' reassessment of their initial estimates [18]. Earnings Surprise History - In the last reported quarter, Arcadium was expected to post earnings of $0.03 per share but delivered $0.06, resulting in a surprise of +100% [12]. - The company's current Zacks Rank is 4 (Sell), complicating predictions of an earnings beat [11][22]. Industry Comparisons - Linde, another player in the Zacks Chemical - Specialty industry, is expected to report earnings of $3.81 per share for the quarter ended June 2024, reflecting a year-over-year change of +6.7% [14]. - Linde's revenues are projected to be $8.33 billion, up 1.6% from the previous year, with a slight downward revision of 0.1% in the consensus EPS estimate over the last 30 days [14][25].

Arcadium Lithium plc (NYSE:ALTM) 3rd Annual Evercore ISI Global Clean Energy & Transitions Summit Conference June 12, 2024 1:00 PM ET Company Participants Paul Graves - President & Chief Executive Officer Unidentified Analyst Thanks for joining us. It's the deadly post lunch slot, Paul. So here we are. Get you caffeine and everybody's hyped up after the Power and AI keynote, I bet, at lunchtime. So anyway, we are pleased to welcome Paul Graves to join us as the CEO of Arcadium Lithium. Arcadium is the resul ...

Summary of Arcadium Lithium plc Conference Call Company Overview - **Company**: Arcadium Lithium plc (NYSE:ALTM) - **Merger**: Combination of former Livent and Allkem Companies completed in January 2024 [1][2] Industry Context - **Market Dynamics**: The lithium market is currently better than two years ago but not as favorable as when the merger was announced [8] - **Challenges**: The market creates challenges that necessitate normal capital allocation decisions without altering the merger rationale [9] Key Points from the Conference Call Merger Insights - **Production Rationalization**: Adjustments at Mt Cattlin were price-driven and reactive, while the expansion at Salar Hombre was slowed due to macroeconomic considerations [3][4] - **Customer Engagement**: Increased outreach from potential and existing customers due to enhanced scale post-merger [6] Synergies and Operational Efficiency - **Headcount Reduction**: A significant reduction of approximately 11% in headcount was achieved to align operations [12] - **Cost Savings**: Notable savings from common inputs and enhanced buying power, particularly in Argentina [13] - **Project Integration**: Synergies from colocating projects in Argentina, leading to operational efficiencies and labor force optimization [15][16] Financial Performance and Market Position - **Lithium Pricing**: The company averaged over $20 per lithium carbonate equivalent (LCE) in Q1, demonstrating resilience against price fluctuations [21][22] - **Cash Flow Management**: The company has a strong cash position, allowing for growth capital expenditures to be supported by organic cash flows [20] Future Growth and Capacity Expansion - **Production Goals**: Targeting 170,000 tons of lithium carbonate equivalent (LCE) per year by 2026, with potential for further expansion [25][30] - **Project Timelines**: Key projects like Sal de Vida and James Bay are expected to come online by the end of 2025, contributing significantly to cash flow [29] Strategic Direction - **Downstream Strategy**: The company is exploring downstream conversion options while maintaining flexibility in production strategies [41][42] - **Market Adaptation**: The commercial strategy will evolve to accommodate multiple products and geographies, with a focus on long-term agreements with key customers [50][52] Technological Advancements - **DLE Technology**: Investment in next-generation direct lithium extraction (DLE) technology to improve yield and sustainability [59] - **Future Innovations**: Focus on developing higher energy density batteries and exploring various feedstock sources for lithium production [61][63] Additional Insights - **Market Perception**: There is a disconnect between the company's operational resilience and investor confidence regarding future capital raising [23][24] - **Integration Complexity**: The integration of two independent organizations presents challenges but also significant benefits [19] This summary encapsulates the key discussions and insights from the Arcadium Lithium conference call, highlighting the company's strategic direction, operational efficiencies, and market positioning within the lithium industry.

Company Overview - Arcadium Lithium is a leading global lithium chemicals producer with a significant presence in three major lithium geographies: the South American "lithium triangle," Western Australia, and Canada[226]. Market Outlook - The company expects revenue from lithium hydroxide and lithium carbonate to increase over time, driven by the growing electric vehicle and energy storage markets[227]. - The demand for lithium products remains strong, particularly in the EV sector, with record levels of EV adoption in China during the first quarter[238]. - For 2024, the company expects increased volumes sold, particularly in lithium carbonate and lithium hydroxide, but lower spodumene concentrate sales[242]. - The outlook for 2024 is uncertain due to fluctuating market prices for lithium products, which declined significantly in Q4 2023[242]. Merger and Integration - Following the Allkem Livent Merger completed on January 4, 2024, Arcadium Lithium will present combined financial results, which will not be directly comparable to prior periods[232]. - The company is focused on integrating operations from the Allkem and Livent businesses, aiming for cost savings and operational synergies[234]. - The company has significant commitments related to the Allkem Livent Merger, including $3.8 million for exploration in 2024 and $14.6 million for raw materials in the remainder of 2024[275]. Financial Performance - Revenue for the three months ended March 31, 2024, was $261.2 million, an increase of approximately 3% compared to $253.5 million for the same period in 2023, primarily due to Allkem's post-merger contribution of $102.5 million[248]. - Gross margin decreased to $144.4 million for the 2024 Quarter, down $21.6 million or approximately 13% from $166.0 million in the 2023 Quarter, mainly due to lower pricing and volumes[249]. - Net income attributable to Arcadium Lithium plc for the 2024 Quarter was $15.6 million, a decrease of approximately 86.4% from $114.8 million in the 2023 Quarter[247]. - Adjusted EBITDA for the three months ended March 31, 2024, was $108.8 million, down $48.6 million compared to $157.4 million for the same period in 2023, primarily due to lower revenues and higher operating costs[256]. - Selling, general and administrative expenses increased to $39.9 million for the 2024 Quarter, a rise of approximately 144.8% from $16.3 million in the 2023 Quarter, largely due to Allkem's post-merger impact[251]. - Restructuring and other charges for the 2024 Quarter were $83.6 million, an increase of $81.7 million compared to $1.9 million in the 2023 Quarter, primarily related to the Allkem Livent Merger[252]. - Income tax expense for the 2024 Quarter was $53.8 million, resulting in an effective tax rate of 73.0%, compared to $23.9 million and 17.2% for the 2023 Quarter[254]. Cash and Capital Expenditures - Cash and cash equivalents as of March 31, 2024, were $472.7 million, significantly up from $237.6 million as of December 31, 2023, due to cash acquired in the Allkem Livent Merger[259]. - The company expects growth capital spending in 2024 to be between $450 million and $625 million, with an additional $100 million to $125 million for maintenance capital spending[266]. - Total cash as of March 31, 2024, is $637.7 million, down from $891.8 million as of December 31, 2023, representing a decrease of approximately 28.4%[272]. - Arcadium Lithium, excluding Nemaska Lithium, has cash of $486.8 million as of March 31, 2024, compared to $847.6 million as of December 31, 2023, a decline of about 42.6%[272]. - Nemaska Lithium's cash increased to $150.9 million as of March 31, 2024, from $44.2 million as of December 31, 2023, showing a significant increase of 240.2%[272]. Risks and Challenges - Despite challenges in Argentina, including high inflation and currency instability, the company plans to align expansion efforts with market conditions and customer demand[236]. - The company anticipates challenges related to expansion projects in Argentina and Canada, which may increase costs and extend delivery times[267]. - The company is monitoring various factors, including integration activities, political developments in Argentina, and global supply chain issues[240]. Financial Position and Accounting Estimates - As of March 31, 2024, the net derivative financial instrument position was a net asset of $0.2 million, indicating a stable financial position in terms of derivatives[285]. - The company has exposure to various foreign currencies, with the primary currencies being Euro, British pound, and Chinese yuan, which could impact financial results due to exchange rate fluctuations[286]. - The company does not currently hedge foreign currency risks associated with the Argentine peso due to limited availability and high costs of suitable derivative instruments[286]. - The debt portfolio as of March 31, 2024, includes fixed-rate and variable-rate debt, with no outstanding balances under the Revolving Credit Facility[290]. - The company has identified "Resources" and "Goodwill" as critical accounting estimates following the Allkem Livent Merger, which may impact financial results[278]. - Future cash flows for reporting units are estimated using a discounted cash flow model, which involves significant management judgment and inherent uncertainties[282].

Arcadium Lithium plc (NYSE:ALTM) Q1 2024 Earnings Conference Call May 7, 2024 5:00 PM ET Company Participants Daniel Rosen - Investor Relations & Strategy Paul Graves - President & Chief Executive Officer Gilberto Antoniazzi - Chief Financial Officer Conference Call Participants David Deckelbaum - TD Cowen Robert Stein - Macquarie Kevin McCarthy - Vertical Research Partners John Roberts - Mizuho Stephen Richardson - Evercore Joel Jackson - BMO Capital Markets Kate McCutcheon - Citi Harris Fein - Wolfe Resea ...

Earnings Presentation Q1 2024 May 7, 2024 arcadium lithium Disclaimer Safe Harbor Statement Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995: Certain statements in this news release are forward-looking statements. In some cases, we have identified forward-looking statements by such words or phrases as "will likely result," "is confident that," "expect," "expects," "should," "could," "may," "will continue to," "believe," "believes," "anticipates," "predicts," "forecasts," "est ...

Exhibit 99.1 News Release – May 7, 2024 Arcadium Lithium Releases First Quarter 2024 Results PHILADELPHIA and PERTH, Australia, May 7, 2024 /PRNewswire/ -- Arcadium Lithium plc (NYSE: ALTM, ASX: LTM, "Arcadium Lithium") today reported results for the first quarter of 2024. First Quarter Highlights "Arcadium Lithium completed its first quarter as a combined company following merger close in early 2024 and we have taken initial steps that will allow us to deliver on the significant value of the combination," ...

Financial Performance - Revenue for the year ended December 31, 2023, was $882.5 million, an increase of 8.5% from $813.2 million in 2022[617] - Gross margin improved to $469.3 million in 2023, compared to $395.7 million in 2022, reflecting a gross margin percentage increase from 48.6% to 53.1%[617] - Net income for 2023 was $330.1 million, up 20.7% from $273.5 million in 2022, resulting in a net income per share of $1.84[617] - The company reported a comprehensive income of $331.3 million for 2023, compared to $265.4 million in 2022, reflecting strong operational performance[620] - Total revenue for the year ended December 31, 2023, was $882.5 million, an increase of 8.5% from $813.2 million in 2022[4] - Revenue from lithium hydroxide products reached $564.4 million in 2023, up 36% from $415.5 million in 2022[1] - The Asia Pacific region generated $649.7 million in revenue in 2023, representing a 14.7% increase from $566.5 million in 2022[1] - The company reported a total income from operations before income taxes of $389.0 million for the year ended December 31, 2023, compared to $335.4 million in 2022[739] Expenses and Costs - Research and development expenses increased to $5.8 million in 2023, up from $3.9 million in 2022, indicating a focus on innovation[617] - Total costs and expenses rose to $538.9 million in 2023, compared to $484.8 million in 2022, primarily due to restructuring and other charges of $56.7 million[617] - Total restructuring and other charges for the year ended December 31, 2023, amounted to $56.7 million, a significant increase from $7.5 million in 2022[728] - Operating costs for Nemaska Lithium increased to $30.7 million in 2023 from $25.7 million in 2022, reflecting a year-over-year increase of approximately 19.5%[719] Assets and Liabilities - Total assets increased to $3,230.1 million in 2023, up from $2,074.2 million in 2022, representing a growth of 55.7%[624] - Total current liabilities rose to $268.6 million in 2023, compared to $148.7 million in 2022, an increase of 80.6%[624] - Long-term debt increased to $299.6 million in 2023 from $241.9 million in 2022, a rise of 24%[624] - The total liabilities as of December 31, 2023, were reported at $1,113.4 million, indicating a leverage ratio that may impact future financing strategies[633] Cash Flow and Liquidity - Cash provided by operating activities decreased to $297.3 million in 2023 from $454.7 million in 2022, a decline of 34.5%[627] - Cash and cash equivalents at the end of 2023 were $237.6 million, up from $189.0 million at the end of 2022, an increase of 25.7%[627] - As of December 31, 2023, the company had no outstanding balances under the Revolving Credit Facility, indicating a strong liquidity position[613] Mergers and Acquisitions - The company completed the Allkem Livent Merger on January 4, 2024, enhancing its operational scale and creating a leading global lithium chemicals producer[636] - The company is focused on achieving synergies and cost savings from the Allkem Livent Merger, which may impact future financial performance[285] - The merger with Allkem provides a presence in three major lithium geographies, including the South American "lithium triangle," Western Australia, and Canada[638] Taxation and Contingencies - The provision for income taxes for 2023 was $58.9 million, slightly down from $61.9 million in 2022, with a notable valuation allowance of $60.3 million recorded for deferred tax assets in Argentina[742] - The company recorded net operating loss carry-forwards of $239.2 million as of December 31, 2023, primarily related to operations in Argentina and Canada[746] - The estimated reasonably possible environmental loss contingencies exceeded the accrued amount by approximately $2.1 million as of December 31, 2023[733] Environmental and Remediation - Environmental reserves increased to $7.5 million as of December 31, 2023, up from $7.0 million in 2022, reflecting ongoing obligations related to waste handling and remediation[732] - Environmental remediation charges for the years ended December 31, 2023, 2022, and 2021 are $0.8 million, $1.2 million, and $(0.3) million, respectively[680] - The total environmental remediation liability as of December 31, 2023, and 2022 was $7.5 million and $7.0 million, respectively[680] Stock Compensation and Employee Incentives - The Livent Corporation Incentive Compensation and Stock Plan has authorized 10,683,837 shares for issuance, allowing for various cash and equity awards[777] - Total stock compensation expense for 2023 was $8.0 million, an increase of 37.93% from $5.8 million in 2022[780] - The weighted-average grant date fair value of stock options granted in 2023 was $9.22 per share, up from $7.01 in 2022[784] - Approximately 68,293 Performance-Based Restricted Stock Units (PRSUs) were granted in 2023, with a grant date fair value of $24.59 per share[791] Operational Challenges - The Bessemer City Plant fire on June 26, 2023, resulted in the destruction of a warehouse, but all production lines resumed operations by June 29, 2023, with full recovery of pharmaceutical grade lithium carbonate expected by October 2023[729] - The company continues to work with insurance providers to assess damages from the Bessemer City fire, with cleanup and disposal costs netting to zero for the year ended December 31, 2023[730] - The company anticipates beginning construction to rebuild the destroyed warehouse in the second quarter of 2024, with completion expected by the end of 2024[729]