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| Exact Name of Issuer or Guarantor Subsidiary (1) (2) | | State of Incorporation or Organization |
| Cleveland-Cliffs Inc. | | Ohio |
| Cannon Automotive Solutions - Bowling Green, Inc. | | Delaware |
| Cleveland-Cliffs Burns Harbor LLC | | Delaware |
| Cleveland-Cliffs Cleveland Works LLC | | Delaware |
| Cleveland-Cliffs Columbus LLC | | Delaware |
| Cleveland-Cliffs FPT Services Company | | Ohio |
| Cleveland-Cliffs Investments Inc. | | Ohio |
| Cleveland-Cliffs Minorca Mine Inc. | | Delaware |
| Cleveland-Cliffs Monessen Coke LLC | | Delaware |
| Cleveland-Cliffs New Carlisle LLC | | Delaware |
| Cleveland-Cliffs Plate LLC | | Delaware |
| Cleveland-Cliffs Railways Inc. | | Delaware |
| Cleveland-Cliffs Riverdale LLC | | Delaware |
| Cleveland-Cliffs Services Holding Company | | Ohio |
| Cleveland-Cliffs South Chicago & Indiana Harbor Railway Inc. | | Delaware |
| Cleveland-Cliffs Steel Corporation | | Delaware |
| Cleveland-Cliffs Steel Holding Corporation | | Delaware |
| Cleveland-Cliffs Steel Holdings Inc. | | Ohio |
| Cleveland-Cliffs Steel LLC | | Delaware |
| Cleveland-Cliffs Steel Management Inc. | | Delaware |
| Cleveland-Cliffs Steel Properties Inc. | | Delaware |
| Cleveland-Cliffs Steelton LLC | | Delaware |
| Cleveland-Cliffs Steelworks Railway Inc. | | Delaware |
| Cleveland-Cliffs Tooling and Stamping Company | | Delaware |
| Cleveland-Cliffs Tooling and Stamping Holdings LLC | | Delaware |
| Cleveland-Cliffs Tubular Components LLC | | Delaware |
| Cleveland-Cliffs Weirton LLC | | Delaware |
| Cliffs Mining Company | | Delaware |
| Cliffs Minnesota Mining Company | | Delaware |
| Cliffs Steel Inc. | | Ohio |
| Cliffs TIOP Holding, LLC | | Delaware |
| Cliffs TIOP, Inc. | | Michigan |
| Cliffs TIOP II, LLC | | Delaware |
| Cliffs UTAC Holding LLC | | Delaware |
| Ferrous Processing and Trading Company | | Michigan |
| Fleetwood Metal Industries, LLC | | Delaware |
| FPT - Schlafer Division L.L.C. | | Michigan |
| FPT Cleveland, LLC | | Michigan |
| FPT Florida, LLC | | Michigan |
| IronUnits LLC | | Delaware |
| Koil Metals L.L.C. | | Michigan |
| Lake Superior & Ishpeming Railroad Company | | Michigan |
| Lonyo Land L.L.C. | | Michigan |