Holding(s) in Company

Pennon Group PLC
22 April 2005

PENNON GROUP PLC

FOR IMMEDIATE RELEASE

HOLDING IN COMPANY

Pennon Group Plc has today received notification (by fax dated 22 April 2005)
that American Express Company and its Group has ceased to have a notifiable
interest in the Ordinary shares of £1.11p each in Pennon Group Plc.

22 April 2005

www.pennon-group.co.uk


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