Blocklisting - Interim Review

SCHEDULE 5                                   

                       BLOCK LISTING SIX MONTHLY RETURN                        

To:    Listing Applications   
                              
       UK Listing Authority   
                              
       Financial Services     
       Authority              
                              
       25, The North Colonnade
                              
       Canary Wharf           
                              
       London, E14 5HS        

              Please ensure the entries on this return are typed               

1.     Name of company: Severn Trent Plc                                       
                                                                               
2.     Name of scheme: Severn Trent (Executive) Share Option Scheme            
                                                                               
3.     Period of return: From 1 May 2006 to 30 April 2007*                     
                                                                               
4.     Number and class of share(s)       374,200 (ordinary shares of 65 5/19  
       (amount of stock/debt security)    pence each)                          
       not issued under scheme                                                 
                                                                               
5.     Number of shares issued/allotted   323,274 (ordinary shares of 65 5/19  
       under scheme during period:        pence each between 1 May 2006 to 6   
                                          October 2006)                        
                                                                               
                                          101,034 (ordinary shares of 97 17/19 
                                          pence each between 9 October 2006 to 
                                          30 April 2007)                       
                                                                               
6.     Balance under scheme not yet       148,966 (ordinary shares of 97 17/19 
       issued/allotted at end of period   pence each)                          
                                                                               
7.     Number and class of share(s)       400,000 ordinary shares of 65 5/19   
       (amount of stock/debt securities)  pence each                           
       originally listed and the date of                                       
       admission;                         Date of Grant of Listing - 23 August 
                                          2005                                 
                                                                               
                                          45,000 ordinary shares of 65 5/      
                                          19pence each                         
                                                                               
                                          Date of Grant of Listing - 15 June   
                                          2006                                 
                                                                               
                                          250,000 ordinary shares of 97 17/19  
                                          pence each                           
                                                                               
                                          Date of Grant of Listing - 13 October
                                          2006                                 

Please confirm total number of shares in issue at the end of the period in     
order for us to update our records                                             
                                                                               
233,194,529 ordinary shares of 97 17/19 pence each                             
                                                                               
*On 9 October 2006 Severn Trent Plc's ordinary shares of 65 5/19pence each were
consolidated into ordinary shares of 97 17/19 pence each.                      

Contact for queries:                   Address:                                
                                                                               
Name: Kerry Porritt                    2297 Coventry Road, Birmingham, B26 3PU 
                                                                               
Telephone: [phone]                                                       

Person making return

Name: Fiona B Smith Position: Group General Counsel and Company Secretary

                                  SCHEDULE 5                                   

                       BLOCK LISTING SIX MONTHLY RETURN                        

To:    Listing Applications   
                              
       UK Listing Authority   
                              
       Financial Services     
       Authority              
                              
       25, The North Colonnade
                              
       Canary Wharf           
                              
       London, E14 5HS        

              Please ensure the entries on this return are typed               

1.     Name of company: Severn Trent Plc                                       
                                                                               
2.     Name of scheme: Severn Trent Sharesave Scheme                           
                                                                               
3.     Period of return: From 1 May 2006 to 30 April 2007*                     
                                                                               
4.     Number and class of share(s)       1,021,117 (ordinary shares of 65 5/19
       (amount of stock/debt security)    pence each)                          
       not issued under scheme                                                 
                                                                               
5.     Number of shares issued/allotted   1,057,687 (ordinary shares of 65 5/19
       under scheme during period:        pence each between 1 May 2006 to 6   
                                          October 2006)                        
                                                                               
                                          72,669 (ordinary shares of 97 17/19  
                                          pence each between 9 October 2006 to 
                                          30 April 2007)                       
                                                                               
6.     Balance under scheme not yet       1,340,944 (ordinary shares of 97 17/ 
       issued/allotted at end of period   19 pence each)                       
                                                                               
7.     Number and class of share(s)       1,000,000 ordinary shares of 65 5/19 
       (amount of stock/debt securities)  pence each                           
       originally listed and the date of                                       
       admission;                         Date of Grant of Listing - 23 August 
                                          2005                                 
                                                                               
                                          1,326,000 ordinary shares of 65 5/19 
                                          pence each                           
                                                                               
                                          Date of Grant of Listing - 15 June   
                                          2006                                 
                                                                               
                                          1,413,663 ordinary shares of 97 17/19
                                          pence each                           
                                                                               
                                          Date of Grant of Listing - 13 October
                                          2006                                 

Please confirm total number of shares in issue at the end of the period in     
order for us to update our records                                             
                                                                               
233,194,529 ordinary shares of 97 17/19 pence each                             
                                                                               
*On 9 October 2006 Severn Trent Plc's ordinary shares of 65 5/19pence each were
consolidated into ordinary shares of 97 17/19 pence each.                      

Contact for queries:                   Address:                                
                                                                               
Name: Kerry Porritt                    2297 Coventry Road, Birmingham, B26 3PU 
                                                                               
Telephone: [phone]                                                       

Person making return

Name: Fiona B Smith Position: Group General Counsel and Company Secretary


 END