Holding(s) in Company

TR-1:               Notification of major interests in shares


1.Identity of the issuer or the underlying issuer of      Severn Trent Plc   
existing shares to which voting rights are attached:                         
                                                                             
2. Reason for notification (yes/no)                                          
                                                                             
An acquisition or disposal of voting rights                      Yes     
                                                                             
An acquisition or disposal of financial instruments which may result         
in the acquisition of shares already issued to which voting rights           
are attached                                                                 
                                                                             
An event changing the breakdown of voting rights                             
                                                                             
Other (please specify):______________                                        
                                                                             
3. Full name of person(s) subject to the notification   Legal & General Group
obligation:                                                   Plc (L&G)      
                                                                             
4. Full name of shareholder(s) (if different from 3.):     Legal & General   
                                                         Assurance (Pensions 
                                                         Management) Limited 
                                                                (PMC)        
                                                                             
                                                                             
                                                                             
5. Date of the transaction (and date on which the          08 January 2009   
threshold is crossed or reached if different):                               
                                                                             
6. Date on which issuer notified:                          12 January 2009   
                                                                             
7. Threshold(s) that is/are crossed or reached:          From 6% - 5% (L&G)  
    

8. Notified details:
   
 

A: Voting rights attached to shares                                           
                                                                              
Class/   Situation previous to  Resulting situation after the triggering      
type of  the Triggering         transaction                                   
shares   transaction                                                          
                                                                              
 if                                                                           
possible Number of  Number of   Number of  Number of voting    % of voting    
using    Shares     Voting      shares     rights              rights         
the ISIN            Rights                                                    
CODE                                                                          
                                           Direct     Indirect Direct Indirect
                                                                              
                                                                              
ORD      14,492,325 14,492,325  14,083,788 14,083,788          5.97           
                                                                              
GBP                                                                           
0.9789                                                                        
                                                                              

 

B: Financial Instruments                                                      
                                                                              
Resulting situation after the triggering transaction                          
                                                                              
Type of     Expiration Exercise/     Number of voting rights that may  % of   
financial   date       Conversion    be acquired if the instrument is  voting 
instrument             Period/ Date  exercised/ converted.             rights 
                                                                              
                                                                              
                                                                              

 

Total (A+B)                                                                   
                                                                              
Number of voting rights                     % of voting rights                
                                                                              
        14,083,788                                 5.97               
                                                                              

 
9. Chain of controlled undertakings through which the voting rights and/or the 
financial instruments are effectively held, if applicable:                     
                                                                               
Legal & General Group Plc (Direct and Indirect) (Group) (16,221,676 -          
6.87% = Total Position)                                                        
                                                                               
Legal & General Investment Management (Holdings) Limited (LGIMH)               
(Direct and Indirect)  (16,221,676 - 6.87% = Total Position)                   
                                                                               
Legal & General Investment Management Limited (Indirect) (LGIM)                
(16,221,676 - 6.87% = Total Position)                                          
                                                                               
  Legal & General Group Plc (Direct) (L&G) (14,083,788 - 5.97% = LGAS, LGPL &  
                                     PMC)                                      
                                                                               
Legal & General Investment Management (Holdings) Limited  Legal & General      
(Direct) (LGIMHD) (8,796,046 - 3.72% = PMC)               Insurance Holdings   
                                                          Limited (Direct)     
                                                          (LGIH)               
                                                                               
Legal & General Assurance (Pensions Management) Limited   Legal & General      
(PMC) (8,796,046 - 3.72% = PMC)                           Assurance Society    
                                                          Limited  (LGAS &     
                                                          LGPL)                
                                                                               
                                                          Legal & General      
                                                          Pensions Limited     
                                                          (Direct)  (LGPL)     
                                                                               

 

Proxy Voting:                                                       
                                                                    
10. Name of the proxy holder:                                    N/A
                                                                    
11. Number of voting rights proxy holder will cease to hold:     N/A
                                                                    
12. Date on which proxy holder will cease to hold voting rights: N/A
                                                                    

 

13. Additional       Notification using the total voting rights figure of 
    information:                             235,914,440                     
                                                                               
14. Contact name:                            Kerry Porritt                     
                                                                               
15. Contact telephone                        0121 722 4730                     
number: