Annual Information Update

UNITED UTILITIES GROUP PLC - ANNUAL INFORMATION UPDATE

28 JULY 2008 - 2 JULY 2009

Date     Description of document     Place of   Place where copy can be obtained
                                     filing                                     
                                                                                
Various  Forms 88(2) reflecting the  Companies  Companies House                 
         allotment of shares as a    House                                      
         result of the operation of                                             
         the save as you earn                                                   
         scheme, performance share                                              
         plan and executive share                                               
         option scheme                                                          
                                                                                
28.07.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - Opening         Authority                                  
         interests in United                                                    
         Utilities Group PLC                                                    
                                                                                
31.07.08 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
31.07.08 Reduction of Capital        UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
31.07.08 Block Listing Application   UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
31.07.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - Tom Keevil -    Authority                                  
         redemption of subscriber                                               
         share                                                                  
                                                                                
05.08.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - Tom Keevil -    Authority                                  
         redemption of redeemable                                               
         preference shares                                                      
                                                                                
07.08.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - Matching Share  Authority                                  
         Plan and Performance Share                                             
         Plan                                                                   
                                                                                
11.08.08 United Utilities Water PLC  UK Listing LSE's and company's website     
         - Draft Business Plan       Authority                                  
                                                                                
11.08.08 Results of B Share Election UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
11.08.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - dividend        Authority                                  
         reinvestment within share                                              
         plans                                                                  
                                                                                
19.08.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - B Share         Authority                                  
         elections                                                              
                                                                                
01.09.08 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
03.09.08 Form 288c - P N Green       Companies  Companies House                 
         change of particulars       House                                      
                                                                                
05.09.08 Form 288c - P N Green       Companies  Companies House                 
         change of particulars       House                                      
                                                                                
19.09.08 Form 228c - P N Green       Companies  Companies House                 
         change of particulars       House                                      
                                                                                
19.09.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
22.09.08 Holding in Company - AXA    UK Listing LSE's and company's website     
         5.48%                       Authority                                  
                                                                                
24.09.08 Trading Statement           UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
30.09.08 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
06.10.08 Holding in Company - AXA    UK Listing LSE's and company's website     
         4.87%                       Authority                                  
                                                                                
20.10.08 Holding in Company - AXA    UK Listing LSE's and company's website     
         5.06%                       Authority                                  
                                                                                
20.10.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
31.10.08 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
03.11.08 Appointment of Chairman -   UK Listing LSE's and company's website     
         Dr John McAdam to board of  Authority                                  
         Sara Lee Inc                                                           
                                                                                
11.11.08 Holding in Company - CGII - UK Listing LSE's and company's website     
         3.1284%                     Authority                                  
                                                                                
17.11.08 Holding in Company - CGII - UK Listing LSE's and company's website     
         4.0007%                     Authority                                  
                                                                                
18.11.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
26.11.08 Half year 08/09             UK Listing LSE's and company's website     
         Announcement                Authority                                  
                                                                                
26.11.08 Holding in Company - CGII - UK Listing LSE's and company's website     
         5.0255%                     Authority                                  
                                                                                
30.11.08 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
18.12.08 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
18.12.08 Municipal solid waste       UK Listing LSE's and company's website     
         treatment contract in       Authority                                  
         Derbyshire                                                             
                                                                                
19.12.08 Holding in Company - AXA    UK Listing LSE's and company's website     
         4.93%                       Authority                                  
                                                                                
30.12.08 Holding in Company -        UK Listing LSE's and company's website     
         Tradewinds - 3.64%          Authority                                  
                                                                                
02.01.09 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
14.01.09 Key Dates                   UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
19.01.09 Form 353 - change in        Companies  Companies House                 
         location of register of     House                                      
         members                                                                
                                                                                
20.01.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
28.01.09 Interim Management          UK Listing LSE's and company's website     
         Statement                   Authority                                  
                                                                                
30.01.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - M Bradbury PSP  Authority                                  
                                                                                
30.01.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - I McAulay & M   Authority                                  
         Wright - DSP                                                           
                                                                                
30.01.09 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
02.02.09 Block Listing - Interim     UK Listing LSE's and company's website     
         Review                      Authority                                  
                                                                                
04.02.09 Shareholders'               UK Listing LSE's and company's website     
         E-Communications Letter     Authority                                  
         available at Document                                                  
         Viewing Facility                                                       
                                                                                
05.02.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - Dividend        Authority                                  
         Reinvestment within share                                              
         plans                                                                  
                                                                                
18.02.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
18.02.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - A Pinder        Authority                                  
         ordinary shares                                                        
                                                                                
18.02.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - J McAdam        Authority                                  
         ordinary shares                                                        
                                                                                
19.02.09 Adelaide Desalination       UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
02.03.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - P Heiden and    Authority                                  
         Mrs Heiden ordinary shares                                             
                                                                                
02.03.09 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
16.03.09 Holding in Company -        UK Listing LSE's and company's website     
         Tradewinds - 4.12%          Authority                                  
                                                                                
18.03.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
26.03.09 Pre-Close Trading Statement UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
01.04.09 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
06.04.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
07.04.09 Final Business Plan         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
14.04.09 Final B Share Redemption    UK Listing LSE's and company's website     
         and B Share Continuing      Authority                                  
         Dividend                                                               
                                                                                
15.04.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - Final B Share   Authority                                  
         Redemption                                                             
                                                                                
22.04.09 Holding in Company - CGII - UK Listing LSE's and company's website     
         4.951%                      Authority                                  
                                                                                
30.04.09 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
13.05.09 Form 122                    Companies  Companies House                 
                                     House                                      
                                                                                
19.05.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
27.05.09 Annual return               Companies  Companies House                 
                                     House                                      
                                                                                
28.05.09 Preliminary announcement of UK Listing LSE's and company's website     
         results                     Authority                                  
                                                                                
29.05.09 Holding in Company - CGII - UK Listing LSE's and company's website     
         3.9586%                     Authority                                  
                                                                                
31.05.09 Total voting rights         UK Listing LSE's and company's website     
                                     Authority                                  
                                                                                
17.06.09 Holding in Company - CGII - UK Listing LSE's and company's website     
         2.929%                      Authority                                  
                                                                                
18.06.09 Holding in company - Pictet UK Listing LSE's and company's website     
         5.01%                       Authority                                  
                                                                                
18.06.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - SIP             Authority                                  
                                                                                
22.06.09 Accounts available at       UK Listing LSE's and company's website     
         Document viewing facility   Authority                                  
         and Company's website                                                  
                                                                                
24.06.09 Director/PDMR share         UK Listing LSE's and company's website     
         interests - Matching Share  Authority                                  
         Plan, Performance Share                                                
         Plan and Deferred Share                                                
         Plan                                                                   
                                                                                
26.06.09 Contract win with Southern  UK Listing LSE's and company's website     
         Water                       Authority                                  
                                                                                
01.07.09 Total voting rights         UK Listing LSE's and company's website     
                                     Authority