Events Calendar

National Grid Financial Timetable for the year ending 31 March 2010

National Grid plc’s proposed final dividend 2008/09 of 23.00 pence per share will be paid, subject to shareholder approval, on 19 August 2009. National Grid’s Financial Timetable is currently scheduled as follows:

3 June 2009 Ordinary shares go ex-dividend
5 June 2009 Record date for 2008/09 final dividend
16 June 2009 Annual Report posted to shareholders*
22 July 2009 Scrip election date for 2008/09 final dividend**
27 July 2009 Annual General Meeting (International Convention Centre, Birmingham) and Interim Management Statement
19 August 2009 2008/09 final dividend paid to qualifying ordinary shareholders and expected date of trading of new scrip shares
19 November 2009 2009/10 half year results
2 December 2009 Ordinary shares go ex-dividend
4 December 2009 Record date for 2009/10 interim Dividend.
20 January 2010 2009/10 interim dividend paid to qualifying ordinary shareholders

* Documents made available on the National Grid website.
** Subject to shareholder approval at the AGM.

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