Treasury Stock

Pennon Group PLC
28 September 2007


PENNON GROUP PLC

TRANSFER OF SHARES OUT OF TREASURY (LR12.6.4)

Pursuant to LR12.6.4 Pennon Group announces the following transfers of treasury
shares for the purposes of the Company's employees' sharesave scheme:


Date of transfer          Number of ordinary shares   Transfer price (exercise   Total number of treasury
                          of nominal value 40.7p      price pursuant to the      shares held following
                          transferred out of treasury sharesave contract)        transfer


28.09.07                  8,658                       Between 188.66p and        5,987,372
                                                      200.33p


28 September 2007


www.pennon-group.co.uk


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