Director/PDMR Shareholding

John Wood Group PLC ("Company")

  

The Company has been informed that on 18 July 2007, the Trustees of the John
Wood Group PLC Employee Share Trust ("EST"):

  * sold 5,193 ordinary shares in the capital of the Company at £ 3.2425 per
    share, being 0.0009% of the share capital of the Company pursuant to
    exercises of share options under the John Wood Group PLC 2003 Long Term
    Retention Plan;
   
And on 19 July 2007:

  * sold 56 ordinary shares in the capital of the Company at £ 3.2875 per
    share, being 0.000001% of the share capital of the Company pursuant to
    exercises of share options under the John Wood Group PLC 2003 Long Term
    Retention Plan;
   
  * transferred 5,137 ordinary shares in the capital of the Company at a
    consideration of 3.333 pence per share, being 0.0009% of the share capital
    of the Company, to employees of the Company, and its subsidiaries,
    exercising share options under the John Wood Group PLC 2003 Long Term
    Retention Plan;
   
And on 20 July 2007:

  * sold 8,655 ordinary shares in the capital of the Company at £3.267728 per
    share, being 0.0016% of the share capital of the Company pursuant to
    exercises of share options under the John Wood Group PLC 2003 Long Term
    Retention Plan;
   
and on 23 July 2007:

  * sold 5,193 ordinary shares in the capital of the Company at £3.30 per
    share, being 0.0009% of the share capital of the Company pursuant to
    exercises of share options under the John Wood Group PLC 2003 Long Term
    Retention Plan;
   
Following this transaction, the EST holds a total of 15,897,257 ordinary shares
representing 3.036% of the share capital of the Company.

The class of discretionary beneficiaries for whom the EST holds such shares
consists of employees of the Company, including the following executive
directors of the Company: Allister G Langlands, Leslie J Thomas and Mark H
Papworth. Each of such directors is accordingly deemed to be beneficially
interested in the shares held by the EST.

The transactions noted above do not involve any of the Company's directors or
any persons discharging managerial responsibility.

  

Name of authorised company official responsible for making this notification.

IAN JOHNSON, COMPANY SECRETARY.