The principal amount recoverable as at the BSC 1998 Start Date by PES Suppliers in aggregate in respect of 1998 Programme Costs shall be: (a) £63,388,000, being the total initial principal amount recoverable by PES Suppliers in aggregate in respect of 1998 Programme Costs, less (b) the aggregate amounts recoverable up to and including the Quarter Date immediately before the BSC 1998 Start Date in respect of principal of that amount by PES Suppliers pursuant to those provisions of the Pooling and Settlement Agreement equivalent to this paragraph 1; and the Panel shall determine and notify to all Parties the Aggregate PES Recoverable Amount as soon as practicable after the BSC 1998 Start Date. has the meaning given to that term in paragraph 1.1.1 of Annex D-5;