Notice of Results

National Grid Group PLC
09 September 2002

09 September 2002


                 National Grid Group plc and Lattice Group plc

                    Timetable for release of interim results

National Grid Group plc (National Grid) and Lattice Group plc (Lattice) announce
that, subject to the completion of the proposed merger of National Grid and
Lattice, National Grid (to be renamed National Grid Transco plc) will release
its Interim Results for the six months ending 30 September 2002 on Tuesday 26
November 2002.

If the merger has not been completed by then, Lattice and National Grid will
each release Interim Results for the six months ending 30 September 2002 on
Tuesday 26 November 2002.

The merger remains subject to sanction of the Lattice scheme of arrangement by
the High Court, and the satisfaction of a number of conditions including
regulatory consents and approvals. National Grid and Lattice remain confident
that the merger will complete during autumn 2002.


Enquiries:
National Grid                                          Lattice
Investor Relations                                     Investor Relations
Marcy Reed 44 (0) 20 7312 5779                         Melissa Sellars 44 (0) 20 7389 3219
Terry McCormick 44 (0) 20 7312 5785                    Gary Rawlinson 44 (0) 20 7389 3218
Louise Clamp 44 (0) 20 7312 5783

Media Relations                                        Media Relations
Clive Hawkins 44 (0) 20 7312 5757                      Gillian Home 44 (0) 20 7389 3212
                                                       Jim Willison 44 (0) 20 7389 3213


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