Annual Information Update

UNITED UTILITIES GROUP PLC                                                      
                                                                                
ANNUAL INFORMATION UPDATE 5 JULY 2011 - 9 JULY 2012                             
                                                                                
Date of     Description of Document             Place of     Place where copy   
publication                                     filing       can be obtained    

Various  Forms SH01 reflecting the allotment   Companies    Companies House    
         of shares as a result of the          House                           
         operation                                                             
                                                                               
         of the matching share plan and                                        
         executive share option scheme                                         
                                                                               
06.07.11 Accounts to 31 March 2011 - filed at  Companies    Companies House    
         Companies House                       House                           
                                                                               
08.07.11 Director/PDMR share interests -       UK Listing   LSE's and company's
         Performance Share Plan and Matching   Authority    website            
         Share Plan Awards                                                     
                                                                               
15.07.11 United Utilities PLC - Accounts       UK Listing   LSE's and company's
         available at National Storage         Authority    website            
         Mechanism and Company's Website                                       
                                                                               
19.07.11 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
22.07.11 AGM and Trading Statement             UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
25.07.11 AGM - Results of Poll                 UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
25.07.11 AGM - Resolutions passed              UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
25.07.11 AGM - Resolutions passed              Companies    Companies House    
                                               House                           
                                                                               
25.07.11 New Articles of Association           Companies    Companies House    
                                               House                           
                                                                               
01.08.11 Total voting rights                   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
01.08.11 Block Listing - Interim Review        UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
02.08.11 Director/PDMR share interests -       UK Listing   LSE's and company's
         Dividend Reinvestment within share    Authority    website            
         plans                                                                 
                                                                               
10.08.11 Director/PDMR share interests - S     UK Listing   LSE's and company's
         Cabrini - Deferred Share Plan         Authority    website            
         Exercise                                                              
                                                                               
10.08.11 Director/PDMR share interests - N     UK Listing   LSE's and company's
         Colman - Deferred Share Plan Exercise Authority    website            
                                                                               
10.08.11 Director/PDMR share interests - S     UK Listing   LSE's and company's
         Fraser - Deferred Share Plan Exercise Authority    website            
                                                                               
10.08.11 Director/PDMR share interests - G     UK Listing   LSE's and company's
         Kenyon Performance Share Plan and     Authority    website            
         Matching Share Plan Exercises                                         
                                                                               
18.08.11 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
24.08.11 Director/PDMR share interests - Dr C  UK Listing   LSE's and company's
         Bell - Purchase of ordinary shares    Authority    website            
                                                                               
02.09.11 Total voting rights                   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
15.09.11 Director/PDMR share interests - David UK Listing   LSE's and company's
         Jones - Purchase of ordinary shares   Authority    website            
                                                                               
20.09.11 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
22.09.11 Trading Statement                     UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
30.09.11 Director/PDMR share interests - S     UK Listing   LSE's and company's
         Fraser - Disposal of ordinary shares  Authority    website            
                                                                               
30.09.11 Total voting rights                   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
18.10.11 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
21.10.11 Holding in company - Norges Bank -    UK Listing   LSE's and company's
         2.99%                                 Authority    website            
                                                                               
01.11.11 Total voting rights                   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
18.11.11 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
23.11.11 Half year 11/12 Announcement          UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
01.12.11 Total voting rights                   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
08.12.11 Form AD02 - SAIL Address changed      Companies    Companies House    
                                               House                           
                                                                               
20.12.11 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
20.12.11 Director/PDMR share interests -       UK Listing   LSE's and          
         Performance Share Plan Award          Authority    comnpany's website 
                                                                               
10.01.12 Key Dates 2012                        UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
11.01.12 Director/PDMR share interests - Gary  UK Listing   LSE's and company's
         Dixon - Sale of Ordinary Shares       Authority    website            
                                                                               
18.01.12 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
31.01.12 Block Listing - Interim Review        UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
01.02.12 Interim Management Statement          UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
02.02.12 Director/PDMR share interests -       UK Listing   LSE's and company's
         Dividend Reinvestment within share    Authority    website            
         plans                                                                 
                                                                               
20.02.12 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
21.02.12 Sara Weller appointed as a            UK Listing   LSE's and company's
         Non-Executive Director                Authority    website            
                                                                               
22.01.11 Regulatory announcement : Listing     UK Listing   LSE's and company's
         Rule 9.6.13 - Sara Weller             Authority    website            
                                                                               
01.03.12 Form AP01 - Appointment of Sara       Companies    Companies House    
         Weller                                House                           
                                                                               
20.03.12 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
22.03.12 Pre-Close Trading Statement           UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
02.04.12 Total voting rights                   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
18.04.12 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
15.05.12 Annual Return                         Companies    Companies House    
                                               House                           
                                                                               
18.05.12 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
24.05.12 Announcement of Final Results for     UK Listing   LSE's and company's
         year ending 31 March 2012             Authority    website            
                                                                               
06.06.12 Total voting rights                   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
11.06.12 David Jones to retire as a            UK Listing   LSE's and company's
         Non-Executive Director and Sara       Authority    website            
         Weller to take over Chair of                                          
         remuneration Committee                                                
                                                                               
15.06.12 Director/PDMR share interests -       UK Listing   LSE's and company's
         Matching Share Award Plan &           Authority    website            
         Performance Share Plan                                                
                                                                               
19.06.12 Director/PDMR share interests - SIP   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
25.06.12 Accounts available at National        UK Listing   LSE's and company's
         Storage Mechanism and Company's       Authority    website            
         website                                                               
                                                                               
27.06.12 United Utilities Water PLC - Accounts UK Listing   LSE's and company's
         available at National Storage         Authority    website            
         Mechanism and Company's Website                                       
                                                                               
27.06.12 United Utilities PLC - Accounts       UK Listing   LSE's and company's
         available at National Storage         Authority    website            
         Mechanism and Company's Website                                       
                                                                               
27.06.12 Director/PDMR share interests -       UK Listing   LSE's and company's
         Exercise of Deferred Share Plan Award Authority    website            
         Plan - Sally Cabrini                                                  
                                                                               
27.06.12 Director/PDMR share interests -       UK Listing   LSE's and company's
         Exercise of Deferred Share Plan Award Authority    website            
         Plan - Gary Dixon                                                     
                                                                               
28.06.12 Director/PDMR share interests -       UK Listing   LSE's and company's
         Exercise of Deferred Share Plan Award Authority    website            
         Plan - Steven Fraser                                                  
                                                                               
28.06.12 Amended - Director/PDMR share         UK Listing   LSE's and company's
         interests - Exercise of Deferred      Authority    website            
         Share Plan Award Plan - Sally Cabrini                                 
                                                                               
28.06.12 Amended - Director/PDMR share         UK Listing   LSE's and company's
         interests - Exercise of Deferred      Authority    website            
         Share Plan Award Plan - Gary Dixon                                    
                                                                               
02.07.12 Total voting rights                   UK Listing   LSE's and company's
                                               Authority    website            
                                                                               
09.07.12 Annual Information Update             UK Listing   LSE's and company's
                                               Authority    website