0000764065 2025-10-29 2025-10-29 0000764065 1 2025-10-29 2025-10-29 _2:shares iso4217:USD pure 0000764065 S-3 424B5 333-291146 EX-FILING FEES N/A N/A true 86250000 13.07 1127287500 0.0001381 155678.4 1127287500 155678.4 155678.4 Cleveland-Cliffs Inc. false Equity Common Shares, par value $0.125 per share true 86250000 13.07 1127287500 0.0001381 155678.4 1127287500 155678.4 0 0 155678.4 <div style="padding-left:31.5pt;text-align:justify;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:112%">(1) Includes additional Common Shares that may be purchased by the underwriter.</span></div><div style="padding-left:31.5pt;text-align:justify;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:112%">(2) Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(c) based on the average high and low prices of the Common Shares on the New York Stock Exchange on October 23, 2025.</span></div><div style="padding-left:31.5pt;text-align:justify;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:112%">(3) Calculated in accordance with Rule 457(r) and Rule 457(c) of the Securities Act of 1933.</span></div>