Result of AGM

UNITED UTILITIES GROUP PLC                           

                     ANNUAL GENERAL MEETING - POLL RESULT                      

At the annual general meeting held on 23 July 2010 at the Midland Hotel,
Manchester, the following resolutions were duly passed and the result of the
poll is shown below. At the record date for the meeting the total number of
voting rights in the company stood at 681,548,091 and the total ordinary shares
in issue were 681,548,091.

No. Resolution           Votes For     %     Votes Against    %  Votes withheld
                                                                               
                      Representing            Representing         Representing
                            shares                  shares               shares
                                                                               
 1  Receiving the      366,519,279 98.34         6,199,448 1.66         892,899
    report and                                                                 
    accounts                                                                   
                                                                               
 2  Declaring a        373,259,239   100            18,030 0.00         334,683
    final dividend                                                             
                                                                               
 3  Approving the      362,586,446 99.26         2,701,511 0.74       8,323,926
    directors'                                                                 
    remuneration                                                               
    report                                                                     
                                                                               
 4  Reappointing       371,738,430 99.64         1,361,216 0.36         512,238
    Charlie Cornish                                                            
                                                                               
 5  Reappointing Dr    358,531,440 96.10        14,553,629 3.90         526,770
    Catherine Bell                                                             
                                                                               
 6  Reappointing       371,954,633 99.69         1,156,190 0.31         501,061
    Nick Salmon                                                                
                                                                               
 7  Reappointing       337,139,763 90.63        34,852,497 9.37       1,619,623
    the auditors                                                               
                                                                               
 8  Remunerating       341,636,502 91.56        31,511,740 8.44         463,642
    the auditors                                                               
                                                                               
 9  Authorising the    347,747,099 95.56        16,157,959 4.44       9,706,825
    directors to                                                               
    allot shares                                                               
                                                                               
10  Disapplying        368,175,701 98.70         4,845,608 1.30         590,575
    statutory                                                                  
    pre-emption                                                                
    rights                                                                     
                                                                               
11  Authorising        372,690,169 99.86           513,095 0.14         408,620
    market                                                                     
    purchases of                                                               
    its own shares                                                             
    by the company                                                             
                                                                               
12  Notice period      351,997,353 94.34        21,118,836 5.66         495,695
    for general                                                                
    meetings                                                                   
                                                                               
13  Adoption of new    372,455,319 99.86           537,641 0.14         618,924
    articles of                                                                
    association                                                                
                                                                               
14  Authorising        357,992,905 96.98        11,133,924 3.02       4,484,670
    political                                                                  
    donations                                                                  

In accordance with Listing Rule 9.6.2 copies of all the resolutions passed,
other than ordinary business, will be submitted to the UK Listing Authority.
Copies will be available at the UKLA's Document Viewing Facility, situated at
the Financial Services Authority, 25 The North Colonnade, Canary Wharf, London
E14 5HS.

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United Utilities' ordinary shares trade on the London Stock Exchange and its
ADRs, each equal to two ordinary shares, trade OTC in the USA under the Trading
Symbol "UUGRY".