Holding(s) in Company

Pennon Group PLC
14 March 2006

PENNON GROUP PLC



FOR IMMEDIATE RELEASE


HOLDING IN COMPANY

Pennon Group Plc has received notification (by fax dated 13 March 2006) that on

10 March 2006 Standard Life Investments ceased to have a notifiable interest in
the Ordinary Shares of £1.221/10p each in Pennon Group Plc.


14 March 2006



www.pennon-group.co.uk

End transmission




                      This information is provided by RNS
            The company news service from the London Stock Exchange   D

HOLDGGMFVDGGVZM