Transaction in Own Shares

Pennon Group PLC
27 June 2007


Pennon Group Plc

27 June 2007

Transaction in Own Shares


Pennon Group Plc announces that it has today purchased through Merrill Lynch
International 175,000 ordinary shares at a price of 611.242857 pence per share.


The purchased shares will all be held in treasury.  Following the above
purchase, Pennon Group Plc will hold 551,800 ordinary shares in treasury.


The total number of ordinary shares in issue (excluding shares to be held in
treasury) is 355,022,474.


END






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