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| Exact Name of Issuer or Guarantor Subsidiary (1) | | State of Incorporation or Organization | | | | IRS Employer Identification Number |
| Cleveland-Cliffs Inc. | | Ohio | | | | 34-1464672 |
| Cleveland-Cliffs Burns Harbor LLC | | Delaware | | | | 20-0653414 |
| Cleveland-Cliffs Cleveland Works LLC | | Delaware | | | | 04-3634649 |
| Cleveland-Cliffs Columbus LLC | | Delaware | | | | 01-0807137 |
| Cleveland-Cliffs Investments Inc. | | Ohio | | | | 31-1283531 |
| Cleveland-Cliffs Kote Inc. | | Delaware | | | | 36-3665216 |
| Cleveland-Cliffs Kote L.P. | | Delaware | | | | 36-3665288 |
| Cleveland-Cliffs Minorca Mine Inc. | | Delaware | | | | 36-2814042 |
| Cleveland-Cliffs Monessen Coke LLC | | Delaware | | | | 25-1850170 |
| Cleveland-Cliffs Plate LLC | | Delaware | | | | 20-0653500 |
| Cleveland-Cliffs Railways Inc. | | Delaware | | | | 56-2348283 |
| Cleveland-Cliffs Riverdale LLC | | Delaware | | | | 74-3062732 |
| Cleveland-Cliffs South Chicago & Indiana Harbor Railway Inc. | | Delaware | | | | 04-3634638 |
| Cleveland-Cliffs Steel Corporation | | Delaware | | | | 31-1267098 |
| Cleveland-Cliffs Steel Holding Corporation | | Delaware | | | | 31-1401455 |
| Cleveland-Cliffs Steel LLC | | Delaware | | | | 71-0871875 |
| Cleveland-Cliffs Steel Management Inc. | | Delaware | | | | 51-0390893 |
| Cleveland-Cliffs Steel Properties Inc. | | Delaware | | | | 51-0390894 |
| Cleveland-Cliffs Steelton LLC | | Delaware | | | | 20-0653772 |
| Cleveland-Cliffs Steelworks Railway Inc. | | Delaware | | | | 04-3634622 |
| Cleveland-Cliffs Tek Inc. | | Delaware | | | | 36-3519946 |
| Cleveland-Cliffs Tek Kote Acquisition Corporation | | Ohio | | | | 85-4304182 |
| Cleveland-Cliffs Tek L.P. | | Delaware | | | | 363525438 |
| Cleveland-Cliffs Tooling and Stamping Company | | Delaware | | | | 22-3639336 |
| Cleveland-Cliffs Tooling and Stamping Holdings LLC | | Delaware | | | | 31-1283531 |
| Cleveland-Cliffs Tubular Components LLC | | Delaware | | | | 31-1283531 |
| Cleveland-Cliffs Weirton LLC | | Delaware | | | | 56-2435202 |
| Cleveland-Cliffs Steel Holdings Inc. | | Ohio | | | | 85-4084783 |
| Cannon Automotive Solutions - Bowling Green, Inc. | | Delaware | | | | 26-0766559 |
| Cliffs Mining Company | | Delaware | | | | 34-1120353 |
| Cliffs Minnesota Mining Company | | Delaware | | | | 42-1609117 |
| Cliffs TIOP Holding, LLC | | Delaware | | | | 47-2182060 |
| Cliffs TIOP, Inc. | | Michigan | | | | 34-1371049 |
| Cliffs TIOP II, LLC | | Delaware | | | | 61-1857848 |
| Cliffs UTAC Holding LLC | | Delaware | | | | 26-2895214 |
| Fleetwood Metal Industries, LLC | | Delaware | | | | 98-0508950 |
| IronUnits LLC | | Delaware | | | | 34-1920747 |
| Lake Superior & Ishpeming Railroad Company | | Michigan | | | | 38-6005761 |
| Metallics Sales Company | | Delaware | | | | 84-2076079 |
| Mid-Vol Coal Sales, Inc. | | West Virginia | | | | 55-0761501 |
| Mountain State Carbon, LLC | | Delaware | | | | 31-1267098 |
| Northshore Mining Company | | Delaware | | | | 84-1116857 |
| Silver Bay Power Company | | Delaware | | | | 84-1126359 |
| SNA Carbon, LLC | | Delaware | | | | 31-1267098 |
| The Cleveland-Cliffs Iron Company | | Ohio | | | | 34-0677332 |
| Tilden Mining Company L.C. | | Michigan | | | | 34-1804848 |
| United Taconite LLC | | Delaware | | | | 42-1609118 |
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| (1) The address and phone number of each issuer and guarantor subsidiary is c/o Cleveland-Cliffs Inc., 200 Public Square, Suite 3300, Cleveland, Ohio 44114, (216) 694-5700. |