Cautionary Statement 1 • Jesse Gary – President and Chief Executive Officer • Shelly Harrison – Senior Vice President, Finance and Treasurer 2 Industry Fundamentals • China supply cuts due to Yunnan region water shortages; additional cuts in EU announced • Energy and carbon costs continue decline • Indiana Hub prices QTD ~$33/MWh; down > 50% from prior year • Nord Pool prices QTD ~$86/MWh; hedged 95% at $30/MWh • Coke prices QTD ~$633/MT U.S. Gulf FOB basis; down ~10% from prior year • Jamalco integration u ...

Vlissingen Facility Agreement On December 9, 2022, Vlissingen entered into a Facility Agreement with Glencore International AG pursuant to which Vlissingen may borrow from time to time up to $90 million (the "Vlissingen Facility Agreement") in one or more loans payable on December 2, 2024, the maturity date of the Vlissingen Facility Agreement. As of March 31, 2023, there were no outstanding borrowings under the Vlissingen Facility Agreement. Surety Bond Facility As part of our normal business operations, w ...

Market Conditions and Price Volatility - The overall price of primary aluminum is influenced by three components: base commodity price, regional premium, and value-added product premium, which can lead to significant volatility [77]. - The company experienced a tripling of Nord Pool power prices from January 2021 to December 2021 due to low reservoir levels and natural gas inventory in Europe [82]. - The company faces risks from excess capacity and overproduction in the aluminum market, which could lead to price deterioration and adversely impact operating results [80]. - Increased energy costs represent a significant component of the cost of goods sold, impacting profitability if not aligned with aluminum prices [81]. - The alumina index price reached a high of $710 per tonne in April 2018, while the average price was $362 per tonne for 2022, indicating significant price volatility [102]. - Changes in trade laws and regulations could adversely affect the company's sales margins and profitability, particularly regarding import tariffs on primary aluminum [154]. Operational Challenges and Production Capacity - The restart of the Mt. Holly smelter is contingent on a power agreement allowing production at 75% capacity, with profitability subject to market conditions [95]. - The Hawesville smelter operations were fully curtailed in Q3 2022, with any potential restart dependent on external market conditions [96]. - Disruptions in power supply can lead to reduced production volumes and increased costs for restarting operations [84]. - The Casthouse Project at Grundartangi will have a production capacity of 150,000 tonnes and is expected to start in Q1 2024, but completion is subject to various risks [99]. - The company completed a project in Q2 2022 to restart approximately 172,000 tonnes of production capacity at Mt. Holly, achieving 75% of its maximum capacity [58]. - A multi-year project at the Grundartangi smelter aims to increase annual production capacity to approximately 325,000 tonnes [59]. - The new casthouse project at Grundartangi is expected to produce up to 150,000 tonnes of billet starting in Q1 2024, focusing on low-carbon aluminum [59]. Financial Position and Debt Management - As of December 31, 2022, the company had approximately $527.7 million in outstanding debt, including $250.0 million in 7.5% senior secured notes due 2028 and $86.3 million in convertible senior notes due 2028 [126]. - The company may face significant borrowing costs and less favorable credit terms due to a deterioration in its financial condition or credit rating, which could limit access to credit and capital markets [124]. - The company is subject to interest rate risk, as its existing debt instruments and future borrowings may be at variable interest rates, potentially increasing debt service obligations [128]. - The company relies on intercompany transfers from subsidiaries to meet debt service obligations, which depend on the subsidiaries' operating results and applicable laws [130]. - The conversion of convertible notes may dilute stockholder ownership and could adversely affect the market price of the company's common stock [132]. Customer Concentration and Supplier Risks - Approximately 72% of consolidated net sales for the year ended December 31, 2022, were derived from two major customers, highlighting customer concentration risk [107]. - The company relies on a limited number of suppliers for raw materials, which could lead to production inefficiencies or increased costs if supply agreements are not renewed on favorable terms [101]. - The company expects to sell a substantial portion of its 2023 production to Glencore, maintaining a concentrated customer base under short-term contracts [35]. - Approximately 60% of the company's consolidated sales for the year ended December 31, 2022, were derived from Glencore and approximately 12% from Southwire [34]. Labor and Operational Efficiency - Labor agreements at key facilities are set to expire in the near future, with potential for strikes or work stoppages if negotiations are unsuccessful [121]. - Increased labor costs and turnover rates were experienced in 2022, impacting operational efficiency and financial performance [123]. - Approximately 43% of the U.S. workforce is represented by labor unions, with various labor agreements in place across different facilities [54]. Risk Factors and External Influences - The company faces risks from international operations, including political and economic instability, which could adversely affect financial results [112]. - Unpredictable events, such as natural disasters, could disrupt operations and lead to significant financial losses [114]. - The ongoing impact of the COVID-19 pandemic continues to affect supply chains and operational results, with potential for future disruptions [89]. - The company faces risks from cybersecurity incidents, which could disrupt operations and adversely impact financial results [139]. - Climate change regulations may increase operating costs, particularly related to electricity, which is the company's largest operating cost [146]. - The company currently receives approximately 70% of needed emission allowances for its smelter free of charge, but changes in regulations could increase costs [147]. - The potential physical impacts of climate change on operations are uncertain and could adversely affect the company's financial position and results of operations [148]. Insurance and Risk Management - The company maintains property and business interruption insurance, but coverage may not be sufficient to cover all losses from operational disruptions [87]. - Hedging activities may not effectively reduce risk exposure, and liquidity may be impacted by collateral margin calls [120]. Strategic Initiatives and Acquisitions - The company has a history of making acquisitions and plans to continue this strategy, which may involve risks such as unidentified liabilities and integration challenges [159]. - The company benefits from duty-free access to major customer markets, including the U.S. and E.U., due to existing trade laws [61]. - The proximity of production facilities to major customer markets allows for short, reliable supply chains, enhancing competitive advantage [62]. Legal and Regulatory Environment - The company is subject to various environmental laws and regulations that may impose significant costs and liabilities, potentially affecting its financial position and operations [150]. - The company is subject to litigation and legal proceedings, which may have a material adverse effect on its financial position and results of operations [155]. - Glencore beneficially owns approximately 42.9% of the company's outstanding common stock, which may influence the company's operations and decisions [160].

Century Aluminum Company (NASDAQ:CENX) Q4 2022 Earnings Conference Call February 23, 2023 5:00 PM ET Company Participants Peter Trpkovski - VP, Finance & IR Jesse Gary - President and Chief Executive Officer Jerry Bialek - Executive Vice President and Chief Financial Officer Shelly Harrison - Senior Vice President, Finance and Treasurer Conference Call Participants David Gagliano - BMO Capital John Tumazos - Very Independent Research Lucas Pipes - B. Riley Securities Operator Good afternoon. Thank you for a ...

Industry Environment LME Aluminum Alumina Price Index 1,400 1,600 1,800 2,000 2,200 2,400 2,600 2,800 3,000 3,200 3,400 LME $/MT 150 200 250 300 350 400 450 500 API $/MT Speakers • Jesse Gary – President and Chief Executive Officer • Jerry Bialek – Executive Vice President and Chief Financial Officer • Shelly Harrison – Senior Vice President, Finance and Treasurer • Peter Trpkovski – Vice President, Finance and Investor Relations 2 Company and Market Update Industry Fundamentals ◼ Continued Chinese water sh ...

Century Aluminum Company (NASDAQ:CENX) Q3 2022 Earnings Conference Call November 7, 2022 5:00 PM ET Company Participants Peter Trpkovski - VP, Finance & IR Jesse Gary - President and Chief Executive Officer Jerry Bialek - Executive Vice President and Chief Financial Officer Shelly Harrison - Senior Vice President, Finance and Treasurer Conference Call Participants David Gagliano - BMO Capital Timna Tanners - Wolfe Research John Tumazos - Very Independent Research Lucas Pipes - B. Riley Securities Operator G ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q Title of each class: Trading Symbol(s) Name of each exchange on which registered: Common Stock, $0.01 par value per share CENX Nasdaq Stock Market LLC (Nasdaq Global Select Market) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transit ...

Century Aluminum Company 2 nd Quarter Earnings Call August 9, 2022 Cautionary Statement This presentation and statements made by Century Aluminum Company management on the quarterly conference call contain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements are statements about future events and are based on our current expectations ...

Century Aluminum Co (NASDAQ:CENX) Q2 2022 Earnings Conference Call August 9, 2022 5:00 PM ET Company Participants Peter Trpkovski - VP, Finance & IR Jesse Gary - President, CEO & Director Michelle Harrison - Interim Principal Financial Officer, SVP of Finance & Treasurer Shelly Lair - IR Conference Call Participants David Gagliano - BMO Capital Markets Lucas Pipes - B. Riley Securities John Tumazos - John Tumazos Very Independent Research Timna Tanners - Wolfe Research Operator Good afternoon. My name is Sa ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q Title of each class: Trading Symbol(s) Name of each exchange on which registered: Common Stock, $0.01 par value per share CENX Nasdaq Stock Market LLC (Nasdaq Global Select Market) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition p ...