Blackjewel, LLC, filed for Chapter 11 business bankruptcy protection on July 1 and sent hundreds of Belle Ayr and Eagle Butte workers home the same day.
Under the deal, West Virginia-based Blackjewel would sell the Eagle Butte and Belle Ayr mines in northeast Wyoming to Eagle Specialty Materials, a subsidiary of Alabama-based FM Coal.
Steve Miller, chairman of Purdue's board of directors, said on a conference call with reporters that an admission of wrongdoing is not part of the deal.