Director/PDMR Shareholding

Pennon Group PLC
21 September 2006


PENNON GROUP PLC


FOR IMMEDIATE RELEASE


PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES (PURSUANT TO DR3.1.4R(1))


Pennon Group Plc (the Company) announces that it received notification on

20 September 2006 in accordance with DR3.1.2R that pursuant to the rules of the
Pennon Group Restricted Share Plan persons discharging managerial
responsibilities in the Company have obtained a conditional interest in Ordinary
shares of 40.7p of the Company as follows:

                                                      Number of
                                                      Ordinary shares


            Dr S C Bird                     -                  15,041
            Mr M Hellings                   -                  19,854
            Mr R M P Hughes                 -                  12,634
            Mr B Hurley                     -                  13,035
            Mrs M S Read                    -                   9,048
            Mr D B Robertson                -                  12,634
            Mr K Woodier                    -                  21,057


The shares were awarded on 14 September 2006 at a price of 498.625p per share
and represent the maximum number of shares to which each of the Directors would
become entitled on 14 September 2009 under the Plan if the relevant performance
criterion relating to Total Shareholder Return was met in full.  The shares are
held in trust by Pennon Share Plans (Guernsey) Limited, the Plan Trustee.


21 September 2006


www.pennon-group.co.uk


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