Listing Particulars

National Grid Transco PLC
05 July 2004


FORMAL NOTICE FOR SPECIALIST SECURITIES
PUBLICATION DATE:            5 July 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
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               JPMorgan Chase Bank
                                                                                 Trinity Tower
1-3 Strand                               1-3 Strand
                                                                                 9 Thomas More Street
London                                   London
                                                                                 London
WC2N 5EH                                 WC2N 5EH
                                                                                 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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