Transaction in Own Shares

Pennon Group PLC
07 June 2007



Pennon Group Plc


7 June 2007



Transaction in Own Shares


Pennon Group Plc announces that it has today purchased through Merrill Lynch
International 100,000 ordinary shares at a price of 625.66019 pence per share.

The purchased shares will all be held in treasury.  Following the above
purchase, Pennon Group Plc will hold 100,000 ordinary shares in treasury.

The total number of ordinary shares in issue (excluding shares to be held in
treasury) is 356,024,274.


END



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