Director/PDMR Shareholding

John Wood Group PLC ("Company")

  

The Company has been informed that on 19 December 2007, the Trustees of the
John Wood Group PLC Employee Share Trust ("EST"):

  * sold 3,462 ordinary shares in the capital of the Company at £4.301329 per
    share, being 0.0006% of the share capital of the Company pursuant to
    exercises of share options under the John Wood Group PLC 2003 (No 1) Long Term
    Retention Plan;
   
  * sold 2,550 ordinary shares in the capital of the Company at £4.301329 per
    share, being 0.0004% of the share capital of the Company pursuant to
    exercises of share options under the John Wood Group PLC 2000 Approved and
    Unapproved Executive Share Option Scheme;
   
  * sold 15,000 ordinary shares in the capital of the Company at £4.301329 per
    share, being 0.0028% of the share capital of the Company pursuant to
    exercises of share options under the John Wood Group PLC 2002 (No 1)
    Executive Share Option Scheme.
   
Following these transactions, the EST holds a total of 14,985,030 ordinary
shares representing 2.857% 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.