Director Shareholding

National Grid Group PLC
5 July 2002



5 July 2002

National Grid Group plc (National Grid)

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Directors' Interests

Yesterday, National Grid's Employee Share Ownership ('Quest') Trustee confirmed
the details of further options granted to employees, including the following
director, on 28th June 2002, under the National Grid Savings Related Share
Option Scheme.

NGG Ordinary shares at option price of 397p per share

Sharesave Option       Number of          Exercise             Total interest
Granted To:            NGG Shares         period               Now

Mr E M Astle           2,392              6 months from        308,075
                                          September 2005





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