CLEVELAND-CLIFFS INC. • 200 PUBLIC SQUARE • SUITE 3300 • CLEVELAND, OH 44114-2544 2 Investors are cautioned not to place undue reliance on forward-looking statements. Among the risks and uncertainties that could cause actual results to differ from those described in forward-looking statements are the following: the finalization of our financial statements as of and for the fourth quarter and year ended December 31, 2020, which may differ from our expectations and preliminary estimated financial information; disruptions to our operations relating to the COVID-19 pandemic, including the heightened risk that a significant portion of our workforce or on-site contractors may suffer illness or otherwise be unable to perform their ordinary work functions; continued volatility of steel and iron ore market prices, which directly and indirectly impact the prices of the products that we sell to our customers; uncertainties associated with the highly competitive and cyclical steel industry and our reliance on the demand for steel from the automotive industry, which has been experiencing a trend toward lightweighting that could result in lower steel volumes being consumed; potential weaknesses and uncertainties in global economic conditions, excess global steelmaking capacity, oversupply of iron ore, prevalence of steel imports and reduced market demand, including as a result of the COVID-19 pandemic; severe financial hardship, bankruptcy, temporary or permanent shutdowns or operational challenges, due to the COVID-19 pandemic or otherwise, of one or more of our major customers, including customers in the automotive market, key suppliers or contractors, which, among other adverse effects, could lead to reduced demand for our products, increased difficulty collecting receivables, and customers and/or suppliers asserting force majeure or other reasons for not performing their contractual obligations to us; risks related to U.S. government actions with respect to Section 232 of the Trade Expansion Act (as amended by the Trade Act of 1974), the United States-Mexico- Canada Agreement and/or other trade agreements, tariffs, treaties or policies, as well as the uncertainty of obtaining and maintaining effective antidumping and countervailing duty orders to counteract the harmful effects of unfairly traded imports; impacts of existing and increasing governmental regulation and related costs and liabilities, including failure to receive or maintain required operating and environmental permits, approvals, modifications or other authorizations of, or from, any governmental or regulatory authority and costs related to implementing improvements to ensure compliance with regulatory changes, including potential financial assurance requirements; potential impacts to the environment or exposure to hazardous substances resulting from our operations; our ability to maintain adequate liquidity, our level of indebtedness and the availability of capital could limit cash flow necessary to fund working capital, planned capital expenditures, acquisitions, and other general corporate purposes or ongoing needs of our business; adverse changes in credit ratings, interest rates, foreign currency rates and tax laws; limitations on our ability to realize some or all of our deferred tax assets or net operating loss carryforwards; our ability to realize the anticipated synergies and benefits of our acquisitions of AK Steel and ArcelorMittal USA and to successfully integrate the businesses of AK Steel and ArcelorMittal USA into our existing businesses, including uncertainties associated with maintaining relationships with customers, vendors and employees; additional debt we assumed, incurred or issued in connection with the acquisition of AK Steel and ArcelorMittal USA, as well as additional debt we incurred in connection with enhancing our liquidity during the COVID-19 pandemic, may negatively impact our credit profile and limit our financial flexibility; known and unknown liabilities we assumed in connection with the acquisition of AK Steel and ArcelorMittal USA, including significant environmental, pension and other postretirement benefits (“OPEB”) obligations; the ability of our customers, joint venture partners and third-party service providers to meet their obligations to us on a timely basis or at all; supply chain disruptions or changes in the cost or quality of energy sources or critical raw materials and supplies, including iron ore, industrial gases, graphite electrodes, scrap, chrome, zinc, coke and coal; liabilities and costs arising in connection with any business decisions to temporarily idle or permanently close a mine or production facility, which could adversely impact the carrying value of associated assets and give rise to impairment charges, as well as uncertainties associated with restarting any previously idled mine or production facility; problems or disruptions associated with transporting products to our customers, moving products internally among our facilities or suppliers transporting raw materials to us; uncertainties associated with natural disasters, adverse weather conditions, unanticipated geological conditions, critical equipment failures, infectious disease outbreaks,