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 19 September 2013 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 17
September 2013, 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 693.5
pence per share.

      Director/PDMR            No. of Shares    
                                 purchased      
                                                
      Sue Amies-King                21          
                                                
       Neil Colman                  21          
                                                
       Steve Fraser                 21          
                                                
       Russ Houlden                 21          
                                                
      Gaynor Kenyon                 21          
                                                
      Steve Mogford                 21          
                                                
     Janice Smethurst               21          
                                                
       Paula Steer                  22          

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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".