Directors' Dealings

National Grid Group PLC
21 December 1999

The National Grid Group plc (NGG)

QUALIFYING EMPLOYEE SHARE OWNERSHIP TRUST (Quest)
(Notification Of Directors' Interests pursuant to
Section 324(2) of The Companies Act 1985)
_____________________________________________________


On 21 December 1999 each of the Executive Directors
of NGG (S J Box, W Gerretsen, D H Jones and R J Urwin)
technically ceased to be interested in 25,888 NGG
Ordinary shares by virtue of the Quest transferring
the shares to employees.

(Note: For Companies Act purposes, the Executive
Directors of NGG are deemed to have a technical
interest in the shares held in NGG's Quest, together
with all participating employees. The interest ceases
when shares are transferred to participants who
exercise their Sharesave scheme options.)

Contact: D C Forward, Assistant Secretary (0171 620 8920)