Holding(s) in Company

1st Sep 2009 07:00

John Wood Group PLC ("Company")

NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Name of IssuerJOHN WOOD GROUP PLC2. Reason for NotificationACQUISITION OF VOTING RIGHTS

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

BLACKROCK, INC

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

26 AUGUST 2009

6. Date on which issuer notified

27 AUGUST 2009

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

ABOVE 14%

8. Notified details

(A) Voting rights attached to shares

Number of voting rights - Direct - N/A

Number of voting rights - Indirect - 66,699,424 - 12.64%

(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 - CFD

Exercise Price - N/A

Expiration date - N/A

Exercise/conversion period - N/A

Number of voting rights instrument refers to - 7,295,818

Percentage of voting rights - Nominal - 1.38% Delta - N/A

Total A + B + C

Number of voting rights - 73,995,242

Percentage of voting rights - 14.02%

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

BLACKROCK INVESTMENT MANAGEMENT (UK) LIMITED - 73,995,242 (14.02%)

PROXY VOTING10. Name of the proxy holderN/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/A13. Additional InformationN/A14. Contact nameKAI CHEW15. Contact telephone number020 7743 2602

Name of authorised company official responsible for making this notification.

IAN JOHNSON, COMPANY SECRETARY

31 AUGUST 2009

mapper

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Related Shares:

Wood Group (J)