Control of the mining division had passed to an employee benefit trust ("EBT"), which initially held shares representing 67& of the voting and 10% of the economic rights in UK Coal Mine Holdings for the benefit of current and future employees of the mining division. Coalfield Resources initially retained the remainder of UK Coal Mine Holdings's economic and voting rights, but the shareholdings rank behind pension fund debt. On 9 July 2013, following a devastating fire, their largest mine, Daw Mill, was forced into closure. As a direct, result both UK Coal Mine Holdings Ltd (UKCMHL) and UK Coal Operations Ltd (UKCOL) were put into administration. The remaining mining operations were again restructured, resulting in the formation of a new business "UK Coal Production Ltd".