Key corporate dates 2010

United Utilities Group PLC

13 January 2010

          United Utilities announces its key corporate dates for 2010          

United Utilities expects to announce its final results for the year ending 31
March 2010 on Friday 21 May 2010. The key corporate dates are expected to be:

Interim management statement for the period from 1      21 January 2010   
October 2009                                                              
                                                                          
Payment of 2009/10 interim dividend to shareholders     3 February 2010   
                                                                          
Pre-close trading update                                25 March 2010     
                                                                          
Announcement of final results for the year ending 31    21 May 2010       
March 2010                                                                
                                                                          
Ex-dividend date for 2009/10 final dividend             16 June 2010      
                                                                          
Record date for 2009/10 final dividend                  18 June 2010      
                                                                          
Interim management statement for the period from 1      23 July 2010      
April 2010                                                                
                                                                          
Annual General Meeting                                  23 July 2010      
                                                                          
Payment of 2009/10 final dividend to shareholders       2 August 2010     
                                                                          
Pre-close trading update (provisional)                  23 September 2010 
                                                                          
Announcement of half yearly financial report for the    24 November 2010  
six months ending 30 September 2010 (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".