Holding(s) in Company

Pennon Group PLC
05 April 2005



PENNON GROUP PLC

FOR IMMEDIATE RELEASE

HOLDING IN COMPANY



Pennon Group Plc has received notification (by letter and fax dated 4 April
2005) that American Express Company and its Group now holds 13,836,479 Ordinary
shares of £1.11p each in Pennon Group Plc.



5 April 2005



www.pennon-group.co.uk


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