Holding(s) in Company

Pennon Group PLC
06 May 2004


PENNON GROUP PLC

FOR IMMEDIATE RELEASE

HOLDING IN COMPANY

Pennon Group Plc has today received notification (by fax dated 5 May 2004) that
at the close of business on 4 May 2004 the interest of Morgan Stanley Securities
Limited in the Ordinary shares of £1.11p each in Pennon Group Plc had fallen
below 3% of the issued share capital of the Company.

6 May 2004

www.pennon-group.co.uk

End transmission


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