Holding(s) in Company

John Wood Group PLC ("Company")

  

NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Name of Issuer

JOHN WOOD GROUP PLC

2. Reason for Notification

ACQUISITION OF VOTING RIGHTS

3. Full name of person(s) subject to notification obligation

TRUSTEES OF THE WOOD 2010, being Sir Ian C Wood and Mr. Graham Good

4. Full name of shareholder(s) (if different from 3 above)

N/A

5. Date of the transaction and date on which the threshold is crossed or
reached

22 JUNE 2010

6. Date on which issuer notified

22 JUNE 2010

7. Threshold(s) that is/are crossed or reached

ABOVE 4%

8. Notified details

(A) Voting rights attached to shares

Number of voting rights - Direct - 23,000,000 - 4.337%

Number of voting rights - Indirect - 0

(B) Financial Instruments

N/A

(C) Financial Instruments with similar economic effect to Qualifying Financial
Instruments

Resulting situation after the triggering transaction

Type of financial instrument - N/A

Exercise Price - N/A

Expiration date - N/A

Exercise/conversion period - N/A

Number of voting rights instrument refers to - N/A

Percentage of voting rights - Nominal - N/A Delta - N/A

Total A + B + C

Number of voting rights - 23,000,000

Percentage of voting rights - 4.337%

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable

N/A

PROXY VOTING

10. Name of the proxy holder

N/A

11. Number of voting rights proxy holder will cease to hold

N/A

12. Date on which proxy holder will cease to hold voting rights

N/A

13. Additional Information

N/A

14. Contact name

IAN JOHNSON

15. Contact telephone number

01224 851000

Name of authorised company official responsible for making this notification.

 

IAN JOHNSON, COMPANY SECRETARY

23 JUNE 2010