Listing Particulars

National Grid Transco PLC
09 September 2004


FORMAL NOTICE FOR SPECIALIST SECURITIES
PUBLICATION DATE:            9th September 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
ISSUER:                      National Grid Transco plc
                             National Grid Company plc
INCORPORATED IN:             England and Wales
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
London                                   1-3 Strand                              Trinity Tower

WC2N 5EH                                 London                                  9 Thomas More Street

                                         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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