Director/PDMR Shareholding

John Wood Group PLC (the "Company")

  
NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS

DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS

In accordance with DTR 3.1.2R, LR 9.9.6R(1) and section 793 of the Companies
Act 2006, the Company was informed that on 21 December 2007 the following
transactions were made by the person below, each a Director of the Company:

Allister G Langlands

  * sold 240,000 shares, being 0.0457% of the share capital of the Company, at
    a sale price of £4.32 per share, such transaction taking place on the
    London Stock Exchange.
   
  * made an off-market transfer of 10,000 ordinary shares in the capital of the
    Company, at nil consideration, being 0.0019% of the share capital of the
    Company, to Willowasset Limited. Mr Langlands ceases to have any interest
    in the shares transferred.
   
Following these transactions, Mr Langlands has a beneficial interest in
1,687,443 ordinary shares representing 0.3218% of the issued share capital of
the Company and holds 345,008 share options. The transactions are timed to take
place before the proposed changes in capital gains tax legislation and the
upcoming Close Period.

Alan G Semple

  * exercised 75,000 share options, being 0.0143% of the share capital of the
    Company, at 158 pence per share, such options having been granted on 30
    September 2003 under the John Wood Group PLC 2002 (No 1) Executive Share
    Option Scheme;
   
  * exercised 38,083 share grants, being 0.00723% of the share capital of the
    Company, at 3.333 pence per share, such grants having been made on 2 July
    2003 under the John Wood Group PLC 2003 (No 1) Long Term Retention Plan;
   
  * sold 113,083 shares subsequent to the above noted exercise of share
    options, being 0.0215% of the share capital of the Company, at a sale price
    of £4.33 per share, such transaction taking place on the London Stock
    Exchange.
   
Following these transactions, Mr Semple has a beneficial interest in 925,531
ordinary shares representing 0.1765% of the issued share capital of the Company
and holds 175,000 share options.

Name of authorised company official responsible for making this notification.

 

IAN JOHNSON, COMPANY SECRETARY.