GROUP 4 SECURICOR PLC - STATEMENT RE BLOCK LISTING

04/04/2007

                       BLOCK LISTING SIX MONTHLY RETURN                        

Information provided on this form must be typed or printed electronically.

To: The FSA

Date: 4 April 2007
 
AVS No: Not                           
applicable                            
                                      
Name of applicant: Group 4 Securicor  
                   plc                
                                       
Name of scheme:    Securicor Executive
                   Share Option Scheme
                                      
Period of    From: 1.10.06 To: 31.3.07
return:                               
                                       
Balance under      447,611            
scheme from                           
previous return:                      
                                      
The amount by      1,550,000          
which the block                        
scheme has been                       
increased, if the                     
scheme has been                       
increased since                       
the date of the                       
last return:                           
                                      
Number of          1,252,500          
securities issued/                    
allotted under                        
scheme during                         
period:                                
                                      
Balance under      745,111            
scheme not yet                        
issued/allotted at                    
end of period                         
                                       
Number and class   -                  
of securities                         
originally listed                     
and the date of                       
admission                             
                                       
Total number of    1,280,580,709      
securities in                         
issue at the end                      
of the period                         

Name of contact:                        Peter David                             
                                                                               
Address of contact:                     The Manor, Manor Royal, Crawley, West  
                                        Sussex RH10 9UN                         
                                                                               
Telephone number of contact:            01293 554584                           

SIGNED BY PETER DAVID

Company Secretary, 

for and on behalf of

Group 4 Securicor plc

Name of applicant

If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.