Holding(s) in Company

Pennon Group PLC
26 November 2004


PENNON GROUP PLC

FOR IMMEDIATE RELEASE

HOLDING IN COMPANY

Pennon Group Plc has received notification (by fax dated 25 November 2004) that
FMR Corp and its direct and indirect subsidiaries, and Fidelity International
Limited (FIL) and its direct and indirect subsidiaries, both being
non-beneficial holders, and Mr Edward C Johnson 3d, a principal shareholder of
FMR Corp and Fidelity International Limited, hold an interest of 5,013,750
Ordinary shares of £1.11p each in Pennon Group Plc representing 4.01% of the
issued share capital of the Company.


26 November 2004

www.pennon-group.co.uk

End transmission


                      This information is provided by RNS
            The company news service from the London Stock Exchange