Holding(s) in Company

Pennon Group PLC
08 August 2005


PENNON GROUP PLC

FOR IMMEDIATE RELEASE

HOLDING IN COMPANY

Pennon Group Plc has received notification (by fax dated 5 August 2005) that
Deutsche Bank AG and its subsidiary companies hold an interest in 5,774,611
Ordinary shares of £1.11p each in Pennon Group Plc.

8 August 2005

www.pennon-group.co.uk

End transmission


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