As the company works on a restructuring plan, a key issue for creditors is whether the printer operations are worth supporting, or whether the bulk of the company's value is in its patents.
Mr Riseley said postal operators were experiencing significant changes in the market including a drop inbulk mail due to the loss of Low Value Consignment Relief (LVCR).
Thanks to the economic slump, as well as changing tastes, in East Asia, where the bulk of the more expensive categories was sold, their value fell by a quarter.