Transaction in Own Shares

Pennon Group PLC
02 August 2007



Pennon Group Plc

2 August 2007


Transaction in Own Shares


Pennon Group Plc announces that it has today purchased through Merrill Lynch
International 23,333 ordinary shares at a price of 609.4073 pence per share.

The purchased shares will all be held in treasury. Following the above purchase
and non-cancellation of such equity shares, Pennon Group Plc will hold 2,359,636
ordinary shares in treasury and a total of 352,804,638 ordinary shares will be
in issue (excluding shares to be held in treasury).





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