Directors' Dealings

NATIONAL GRID GROUP PLC 18 August 1999 The National Grid Group plc (NGG) NGG 1996 EMPLOYEE BENEFIT TRUST (ESOP) (Notification Of Directors' Interests pursuant to Section 324(2) of the Companies Act 1985) On 18 August 1999, NGG became aware that 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 5,115 NGG Ordinary shares by virtue of the ESOP 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 ESOP, together with all participating employees. The interest ceases when shares are transferred to participants who exercise their options under The National Grid Group Share Matching Scheme or another employees' share scheme.) Contact: D C Forward, Assistant Secretary (0171 620 8920)
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