Holding(s) in Company

Pennon Group PLC
12 August 2005



PENNON GROUP PLC


FOR IMMEDIATE RELEASE


HOLDING IN COMPANY


Pennon Group Plc has received notification (by fax dated 12 August 2005) that
Deutsche Bank AG and its subsidiary companies hold an interest in 4,977,686
Ordinary shares of £1.11p each in Pennon Group Plc.

12 August 2005

www.pennon-group.co.uk

End transmission



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