Publication of Final Terms

National Grid PLC
20 March 2006

Publication of Final Terms



The following final terms has been approved by the UK Listing Authority and is
available for viewing:





Final Terms in relation to the National Grid plc's issue of AUD 50,000,000
Floating Rate Notes due 2016 under the National Grid plc / National Grid
Electricity Transmission plc Euro 6,000,000,000 Euro Medium Term Note Programme





To view the full document, please paste the following URL into the address bar
of your browser.



http://www.rns-pdf.londonstockexchange.com/rns/0915a_-2006-3-20.pdf







For further information, please contact



Andrew Kluth
Assistant Treasurer

National Grid plc

1-3 Strand
London WC2N 5EH



Tel:      [phone]

Fax:     [phone]





DISCLAIMER - INTENDED ADDRESSEES



Please note that the information contained in the Final Terms may be addressed
to and/or targeted at persons who are residents of particular countries
(specified in the Prospectus for the National Grid plc / National Grid
Electricity Transmission plc Euro 6,000,000,000 Euro Medium Term Note Programme
dated 18 August 2005) only and is not intended for use and should not be relied
upon by any person outside these countries. Prior to relying on the information
contained in the Final Terms you must ascertain from the Prospectus whether or
not you are part of the intended addressees of the information contained
therein.



Your right to access this service is conditional upon complying with the above
requirement.


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