Blocklisting Interim Review

Wood Group (John) PLC
07 December 2005

                        BLOCK LISTING SIX MONTHLY RETURN



INFORMATION PROVIDED ON THIS FORM MUST BE TYPED OR PRINTED ELECTRONICALLY



To:      The FSA

Date:    7 December 2005



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 June 2005           To:       7 December 2005

Balance under scheme from previous return:            Not applicable

The amount by which the block scheme has been         5,750,000 shares
increased, if the scheme has been increased since the
date of the last return:

Number of securities issued/allotted under scheme     4,551,339
during period:

Balance under scheme not yet issued/allotted at end   1,198,661 Ordinary Shares of 3 1/3 pence each
of period

Number and class of securities originally listed and  1,150,000   Ordinary Shares       9 June 2005
the date of admission                                 1,150,000   Ordinary Shares      10 June 2005
                                                      1,150,000   Ordinary Shares      13 June 2005
                                                      1,150,000   Ordinary Shares      14 June 2005
                                                      1,150,000   Ordinary Shares      15 June 2005

Total number of securities in issue at the end of the 515,237,930
period




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





SIGNED BY    IAN JOHNSON

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


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