Arch Coal Inc., along with its affiliates, filed a motion for joint administration of their Chapter 11 bankruptcy cases in the US Bankruptcy Court on January 11, 2016. As per the motion, the debtor seeks the joint administration of the cases of its affiliates, Hunter Ridge Holdings Inc., Triton Coal Company LLC, Simba Group Inc., Juliana Mining Company Inc., Catenary Coal Holdings Inc., Lone Mountain Processing Inc., Shelby Run Mining Company LLC, Hunter Ridge Inc., Arch Western Acquisition LLC, ACI Terminal LLC, Arch Western Acquisition Corp., Otter Creek Coal LLC, ICG LLC, Arch Coal West LLC, Jacobs Ranch Holdings I LLC, Jacobs Ranch Holdings II LLC, Jacobs Ranch Coal LLC, Saddleback Hills Coal Company, Powell Mountain Energy LLC, Apogee Holdco Inc., Prairie Coal Company LLC, Mingo Logan Coal Company, Arch Development LLC, Energy Development Co., Hobet Holdco Inc., Mountain Gem Land Inc., Mountaineer Land Company, P.C. Holding Inc., Prairie Holdings Inc., Western Energy Resources Inc., Ark Land WR Inc., Ark Land KH Inc., Allegheny Land Company, Ashland Terminal Inc., Catenary Holdco Inc., ICG East Kentucky LLC, ICG Illinois LLC, ICG Eastern Land LLC, ICG Beckley LLC, Coal-Mac Inc., Arch Reclamation Services Inc., Vindex Energy Corporation, Bronco Mining Company Inc., Thunder Basin Coal Company L.L.C., Arch Western Bituminous Group LLC, ICG Knott County LLC, ICG Tygart Valley LLC, Arch Energy Resources LLC, Hawthorne Coal Company Inc., King Knob Coal Co. Inc., Melrose Coal Company Inc., Marine Coal Sales Company, Upshur Property Inc., Ark Land Company, White Wolf Energy Inc., ICG Eastern LLC, ICG Natural Resources LLC, Patriot Mining Company Inc, ICG Inc., Arch Western Finance LLC, Arch Coal Sales Company Inc., Mountain Coal Company LLC, International Coal Group Inc., Ark Land LT Inc., CoalQuest Development LLC, Cumberland River Coal Company, Arch of Wyoming LLC, Wolf Run Mining Company LLC, Arch Western Resources LLC, Mountain Mining Inc. and Hunter Ridge Coal Company, with its own case for administrative and procedural purposes.

Arch Coal Inc. has been proposed as the lead debtor.