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 2000 Approved   
                                       Executive Share Option Scheme           
                                                                               
Period of return:            From:     9 January 2008  To:    12 December 2008 
                                                                               
Balance under scheme from previous     2,600,782 shares                        
return:                                                                        
                                                                               
The amount by which the block scheme   0 shares                                
has been increased, if the scheme has                                          
been increased since the date of the                                           
last return:                                                                   
                                                                               
Number of securities issued/allotted   0 shares                                
under scheme during period:                                                    
                                                                               
Balance under scheme not yet issued/   2,600,782 shares                        
allotted at end of period                                                      
                                                                               
Number and class of securities         5,750,000 Ordinary shares - June 2005   
originally listed and the date of      3,402,121 Ordinary shares - May 2006    
admission                                                                      
                                                                               
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.