Hargreaves is restructuring the ATH operations in a bid to make them viable, while also pledging to use profits towards the restoration of surface coal-mining after operations are complete.
Although he once produced a Savile radio show, Mr De'Ath's arrest was under the strand of Yewtree looking at complaints unconnected to the investigation into Savile himself.
Mr De'Ath questioned why it had been necessary for a man in his 70s, who lives in sheltered accommodation, to be arrested by seven police officers at 7am on Remembrance Sunday last November.