Director/PDMR Shareholding

UNITED UTILITIES GROUP PLC

DIRECTORS' AND PDMR INTERESTS IN SHARES

United Utilities Group PLC ("the Company") announces that it received
notification on 5 April 2011 that the Trustee, Equiniti Share Plan Trustees
Limited, purchased ordinary shares of 5p each on behalf of the following
directors and persons discharging managerial responsibility on 4 April 2011, to
be held in accordance with the rules of the Company's HMRC approved share
incentive plan. The shares were purchased at a price of 598.0 pence per share.

Director/PDMR                  No. of Shares    
                                 purchased      
                                                
Steve Fraser                        25          
                                                
Simon Gardiner                      26          
                                                
Russ Houlden                        276         
                                                
Gaynor Kenyon                       26          
                                                
Steve Mogford                       300         
                                                
Paul Worthington                    24          

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Further information can be obtained from Jane Gilmore, Deputy Company Secretary
44 1 925 237052

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United Utilities Group's ordinary shares trade on the London Stock Exchange and
its ADRs, each equal to two ordinary shares, trade over the counter under the
Trading Symbol "UUGRY".