| Name of Subsidiary           |    | Jurisdiction ofIncorporation or Organization |
|------------------------------|--------------|-------------------------------------------------------------|
| Bronco Mining Company, Inc.  |    | WV                                                          |
|                         |         |
| CoalQuest Development LLC    |    | DE                                                          |
|                         |         |
| Hawthorne Coal Company, Inc. |    | WV                                                          |
|                         |         |
| Hunter Ridge, Inc.           |    | DE                                                          |
|                         |         |
| Hunter Ridge Coal Company    |    | DE                                                          |
|                         |         |
| Hunter Ridge Holdings, Inc.  |    | DE                                                          |
|                         |         |
| ICG ADDCAR Systems, LLC      |    | DE                                                          |
|                         |         |
| ICG Beckley, LLC             |    | DE                                                          |
|                         |         |
| ICG East Kentucky, LLC       |    | DE                                                          |
|                         |         |
| ICG Eastern Land, LLC        |    | DE                                                          |
|                         |         |
| ICG Eastern, LLC             |    | DE                                                          |
|                         |         |
| ICG Hazard Land, LLC         |    | DE                                                          |
|                         |         |
| ICG Hazard, LLC              |    | DE                                                          |
|                         |         |
| ICG Illinois, LLC            |    | DE                                                          |
|                         |         |
| ICG Knott County, LLC        |    | DE                                                          |
|                         |         |
| ICG Natural Resources, LLC   |    | DE                                                          |
|                         |         |
| ICG Tygart Valley, LLC       |    | DE                                                          |
|                         |         |
| ICG, Inc.                    |    | DE                                                          |
|                         |         |
| ICG, LLC                     |    | DE                                                          |
|                         |         |
| Juliana Mining Company, Inc. |    | WV                                                          |
|                         |         |
| King Knob Coal Co., Inc.     |    | WV                                                          |
|                         |         |
| Marine Coal Sales Company    |    | DE                                                          |
|                         |         |
| Melrose Coal Company, Inc.   |    | WV                                                          |
|                         |         |
| Patriot Mining Company, Inc. |    | WV                                                          |
|                         |         |
| Powell Mountain Energy, LLC  |         | DE                                                          |
|                         |         |                                                        |
| Simba Group, Inc.            |    | DE                                                          |
|                         |         |
| The Sycamore Group, LLC (1)  |    | WV                                                          |
|                         |         |
| Upshur Property, Inc.        |    | DE                                                          |
|                         |         |
| Vindex Energy Corporation    |    | WV                                                          |
|                         |         |
| White Wolf Energy, Inc.      |    | VA                                                          |
|                         |         |
| Wolf Run Mining Company      |    | WV                                                          |

| (1) | The Sycamore Group, LLC is a joint venture between Wolf Run Mining Company and Emily Gibson Coal Co., Inc. Each company owns 50% of the membership interest of The Sycamore Group, LLC. |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|