Blocklisting - Interim Review Amended

BLOCK LISTING SIX MONTHLY RETURN                        

Information provided on this form must be typed or printed electronically and
provided to an ris.

Date: 30 June………..2011

Name of applicant:                    John Wood Group PLC                    
                                                                             
Name of scheme:                       The John Wood Group PLC 1994 Approved  
                                      Executive Share Option Scheme          
                                                                             
Period of return:           From:     2 December     To:    1 July 2011     
                                      2010                                   
                                                                             
Balance of unallotted securities      270,111 shares                         
under scheme(s) from previous return:                                        
                                                                             
Plus: The amount by which the block   0                                      
scheme(s) has been increased since                                           
the date of the last return (if any                                          
increase has been applied for):                                              
                                                                             
Less: Number of securities issued/    45,004                                 
allotted under scheme(s) during                                              
period (see LR3.5.7G):                                                       
                                                                             
Equals: Balance under scheme(s) not   225,107                                
yet issued/allotted at end of period:                                        

No further options are going to be exercised under this Scheme and therefore no
further returns for this Scheme will be made in the future.

Name of contact:                       Robbie M. B. Brown                    
                                                                             
Telephone number of contact:           01224 851000