Key corporate dates 2011

United Utilities Group PLC

12 January 2011

          United Utilities announces its key corporate dates for 2011          

United Utilities expects to announce its final results for the year ending 31
March 2011 on Thursday 26 May 2011. The key corporate dates are expected to be:

Interim management statement for the period from 1      26 January 2011   
October 2010                                                              
                                                                          
Payment of 2010/11 interim dividend to shareholders     2 February 2011   
                                                                          
Pre-close trading update                                24 March 2011     
                                                                          
Announcement of final results for the year ending 31    26 May 2011       
March 2011                                                                
                                                                          
Ex-dividend date for 2010/11 final dividend             22 June 2011      
                                                                          
Record date for 2010/11 final dividend                  24 June 2011      
                                                                          
Interim management statement for the period from 1      22 July 2011      
April 2011                                                                
                                                                          
Annual General Meeting                                  22 July 2011      
                                                                          
Payment of 2010/11 final dividend to shareholders       1 August 2011     
                                                                          
Pre-close trading update (provisional)                  22 September 2011 
                                                                          
Announcement of half yearly financial report for the    23 November 2011  
six months ending 30 September 2011 (provisional)                         

Further information can be obtained from:

Jane Gilmore, Deputy Company Secretary [phone]

Darren Jameson, Head of Investor Relations [phone]

United Utilities' 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".