Holding(s) in Company

TR-1: Notifications of Major Interests in Shares                               

1. Identity of the issuer or the underlying issuer of existing                 
shares to which voting rights are attached:                                    
                                                                               
SEGRO plc                                                                      
                                                                               
2. Reason for notification                                        [Yes/No]     
                                                                               
An acquisition or disposal of voting rights                         Yes        
                                                                               
An acquisition or disposal of financial instruments which            No        
may result 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     Fortis Investment Management S.A.     
notification                                                                   
obligation:                                                                    
                                                                               
4. Full name of shareholder(s) (if                                             
different from 3):                                                             
                                                                               
5. Date of transaction (and date on      20/03/2009                            
which the                                                                      
threshold is crossed or reached if                                             
different):                                                                    
                                                                               
6. Date on which issuer notified:        25/03/2009                            
                                                                               
7. Threshold(s) that is/are crossed or   Above 4%                              
reached:                                                                       

8: Notified Details : Fortis Investment Management S.A. is acting as a         
discretionary asset manager for segregated clients and funds                   
                                                                               
A: Voting rights attached to shares                                            

Class/type of Situation previous to           Resulting situation after          
shares           the triggering              the triggering transaction          
                   transaction                                                   
                                                                                 
If possible   Number of  Number of  Number of      Number of      Percentage of  
use             shares     voting     shares     voting rights    voting rights  
ISIN code                  rights                                                
                                                                                 
                                               Direct  Indirect  Direct  Indirect
                                                                                 
GB00B1YFN979   8,936,947  8,936,947 19,064,767        19,064,767            4.37%
                                                                                 

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            
                                                                               
19,064,767                              4.37%                                  

9. Chain of controlled undertakings through which the voting rights and /or the
financial instruments are effectively held, if applicable:                     
                                                                               

Proxy Voting:                                                                  
                                                                               
10. Name of proxy holder:           Fortis Investment Management S.A. and      
                                    subsidiaries                               
                                                                               
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:                                                    
                                                                               
14 Contact name:                    Harriet White                              
                                                                               
15. Contact telephone name:         0207 318 4955