Director Shareholding

National Grid Group PLC
19 June 2001


National Grid Group plc (National Grid)
Notification of Changes in Directors' Interests

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National Grid notifies the following changes to Directors'
beneficial interests in NGG Ordinary Shares, following operation
of the National Grid Executive Share Option Plan.

The Company is confirming to participants, including the 
following directors, that they have been granted options under 
the Executive Share Option Scheme effective as of 18 June 2001 to 
subscribe for Ordinary shares at an exercise price of 563p and 
exercisable, subject to agreed performance criteria, during the 
period of seven years from 18 June 2004. There was no payment for 
the grants of options.

Options granted:

1.       Mr Stephen Box.     93,250

2.       Mr Steven Holliday. 71,936

3.       Mr Richard Sergel. 134,321

4.       Dr Roger Urwin.    133,214

The total share interests of the above directors, following these
changes, are:

1.       Mr Stephen Box.     458,797

2.       Mr Steven Holliday  221,936

3.       Mr Richard Sergel.  337,545

4.       Dr Roger Urwin.     615,520