Listing Particulars

National Grid Transco PLC
06 December 2004


FORMAL NOTICE FOR SPECIALIST SECURITIES
PUBLICATION DATE:            7th December 2004
Application has been made to the UK Listing Authority for the following securities to be admitted to the Official List.
DETAILS OF ISSUE:            EUR 6,000,000,000 Euro Medium Term Note Programme
ISSUERS:                     National Grid Transco plc                      National Grid Company plc

                             1 - 3 Strand                                   1 - 3 Strand

                             London                                         London

                             WC2N 5EH                                       WC2N 5EH
INCORPORATED IN:             England
AUTHORISED ADVISER:          HSBC Bank plc
Particulars relating to the issue may be obtained during usual business hours for fourteen days from the date of  this
formal notice from:
National Grid Transco plc                National Grid Company plc                JP Morgan Chase Bank

1 - 3 Strand                             1 - 3 Strand                             Trinity Tower

London                                   London                                   9 Thomas More Street

WC2N 5EH                                 WC2N 5EH                                 London

                                                                                  E1W 1YT
In addition, a copy of the Particulars is available for inspection at the Document Viewing Facility at the Financial
Services Authority, 25 The North Colonnade, London E14 5HS.




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