| Name of      Subsidiary           |    | Jurisdiction of Incorporation 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. |
|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|