Financial Timetable

National Grid Transco PLC
24 March 2005


National Grid Transco plc ('NGT')


24 March 2005


National Grid Transco Financial Timetable
for the year ending 31 March 2006.



On 10 January 2005, NGT notified its investor diary dates for 2005. As
anticipated, that information is now updated, with the full financial timetable,
scheduled as follows:


19 May 2005                    2004/05 preliminary results *
8 June 2005                    Ordinary shares go ex-dividend
10 June 2005                   Record date for 2004/05 final dividend
June                           Annual Report posted to shareholders*
25 July 2005                   Annual General Meeting and EGM
                               -International Convention Centre, Birmingham.
24 August 2005                 2004/05 final dividend paid to qualifying shareholders
17 November 2005               2005/06 interim results*
30 November 2005               Ordinary shares go ex-dividend
2 December 2005                Record date for 2005/06 interim dividend
25 January 2006                2005/06 interim dividend paid to qualifying shareholders



Note: Further dates in connection with the return of cash will be confirmed in
due course.



* Documents available on NGT Group website (www.ngtgroup.com)

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Contact: D C Forward, Assistant Secretary, 0207 004 3226


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