Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

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

To: The FSA

Date: 12 December 2008

Name of applicant:                     John Wood Group PLC                     
                                                                               
Name of scheme:                        The John Wood Group PLC 2002 Executive  
                                       Share Option Scheme                     
                                                                               
Period of return:            From:     9 January 2008  To:    12 December 2008 
                                                                               
Balance under scheme from previous     238,792 shares                          
return:                                                                        
                                                                               
The amount by which the block scheme   6,375,000 shares                        
has been increased, if the scheme has                                          
been increased since the date of the                                           
last return:                                                                   
                                                                               
Number of securities issued/allotted   2,500,000 shares                        
under scheme during period:                                                    
                                                                               
Balance under scheme not yet issued/   4,113,792 shares                        
allotted at end of period                                                      
                                                                               
Number and class of securities         1,078,000 Ordinary shares - June 2007   
originally listed and the date of      6,375,000 Ordinary shares - February    
admission                              2008                                    
                                                                               
Total number of securities in issue at 527,836,720                             
the end of the period                                                          

Name of contact:                        LORRAINE SPROULE                       
                                                                               
Address of contact:                     John Wood House, Greenwell Road,       
                                        Aberdeen                               
                                                                               
Telephone number of contact:            01224 851041                           

SIGNED BY ______________________________________________

company secretary,

for and on behalf of

JOHN WOOD GROUP PLC

Name of applicant

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