Holding(s) in Company

Form TR-1 with annex. FSA Version 2.1 updated April 2007

For filings with the FSA include the annex  
                                            
For filings with issuer exclude the annex   

TR-1: Notifications of Major Interests in Shares                               

1. Identity of the issuer or the underlying     Severn Trent                   
issuer of 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 No        
in the acquisition of shares already issued to which voting rights             
are attached                                                                   
                                                                               
An event changing the breakdown of voting rights                     No        
                                                                               
Other (please specify):______________                                No        
                                                                               
3. Full name of person(s) subject to    AEGON UK Group of Companies            
notification obligation:                                                       
                                                                               
4. Full name of shareholder(s) (if                                             
different from 3):                                                             
                                                                               
5. Date of transaction (and date on     17th November 2008                     
which the threshold is crossed or                                              
reached if different):                                                         
                                                                               
6. Date on which issuer notified:       18th November 2008                     
                                                                               
7. Threshold(s) that is/are crossed or  3%                                     
reached:                                                                       

8: Notified Details                                                           
                                                                              
A: Voting rights attached to shares                                           
                                                                              
Class/type of Situation previous  Resulting situation after the triggering    
shares        to the triggering   transaction                                 
              transaction                                                     
If possible                                                                   
use ISIN code                                                                 
                                                                              
                                                                              

Number of    Number   Number   Number of voting    Percentage of          
shares       of       of       rights              voting rights          
             voting   shares                                              
             rights                                                       
                               Direct    Indirect  Direct  Indirect       
                                                                          
GB00B1FH8J72 Below 3% Below 3% 7,076,026 6,601,536 474,490 2.80     0.20  

B: Financial Instruments                                                       
                                                                               
Resulting situation after the triggering transaction                           
                                                                               
Type of        Expiration     Exercise/       No. of voting      Percentage of 
financial      date           conversion      rights that may be voting rights 
instrument                    period/date     acquired (if the                 
                                              instrument                       
                                              exercised/                       
                                              converted)                       
                                                                               

Total (A+B)                                                                    
                                                                               
Number of voting rights                 Percentage of voting rights            
                                                                               
7,076,026                               3.00%                                  

9. Chain of controlled undertakings through which the voting rights and /or the
financial instruments are effectively held, if applicable:                     
                                                                               
AEGON UK Group of companies - parent undertaking of:                           
                                                                               
AEGON Asset Management UK plc                                                  
                                                                               
AEGON Investment Management UK ltd.                                            
                                                                               
AEGON ICVC                                                                     

Proxy Voting:                                                                  
                                                                               
10. Name of proxy holder:               AEGON UK Group of Companies            
                                                                               
11. Number of voting rights proxy                                              
holder will cease to hold:                                                     
                                                                               
12. Date on which proxy holder will                                            
cease to hold voting rights:                                                   

13. Additional information:             AEGON UK Group of Companies consists   
                                        of:                                    
                                                                               
                                        AEGON Asset Management UK plc          
                                                                               
                                        AEGON Investment Management UK ltd     
                                                                               
                                        AEGON ICVC                             
                                                                               
14 Contact name:                        Kerry Porritt                          
                                                                               
15. Contact telephone name:             0121 722 4730                          

For notes on how to complete form TR-1 please see the FSA website.

Note: Annex should only be submitted to the FSA not the issuer

Annex: Notification of major interests in shares                               

A: Identity of the persons or legal entity subject to the notification         
obligation                                                                     
                                                                               
Full name                               AEGON Asset Management UK plc          
                                                                               
(including legal form of legal                                                 
entities)                                                                      
                                                                               
Contact address                         AEGON House,                           
                                                                               
(registered office for legal entities)  3 Lochside Avenue,                     
                                                                               
                                        Edinburgh Park,                        
                                                                               
                                        Edinburgh,                             
                                                                               
                                        EH12 9SA                               
                                                                               
Phone number & email                    0870 60 90 101                         
                                                                               
Other useful information                Ian G Young, Company secretary,        
                                                                               
(at least legal representative for      0131 549 6398                          
legal persons)                                                                 

B: Identity of the notifier, if applicable                                     
                                                                               
Full name                               Miranda Beacham                        
                                                                               
Contact address                         AEGON House,                           
                                                                               
                                        3 Lochside Avenue,                     
                                                                               
                                        Edinburgh Park,                        
                                                                               
                                        Edinburgh,                             
                                                                               
                                        EH12 9SA                               
                                                                               
Phone number & email                    0131 549 3460                          
                                                                               
                                        [e-mail]            
                                                                               
Other useful information                                                       
                                                                               
(e.g. functional relationship with the                                         
person or legal entity subject to the                                          
notification obligation)                                                       

C: Additional information                                                      
                                                                               


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