Transaction in Own Shares

Pennon Group PLC
06 July 2007

Pennon Group Plc



6 July 2007


Transaction in Own Shares


Pennon Group Plc announces that it has today purchased through Merrill Lynch
International 16,500 ordinary shares at a price of 614.75 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 1,292,472
ordinary shares in treasury and a total of 353,871,802 ordinary shares will be
in issue (excluding shares to be held in treasury).










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