John Wood Group PLC ("Company")



NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Name of Issuer

JOHN WOOD GROUP PLC

2. Reason for Notification

DISPOSAL OF VOTING RIGHTS

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

AMERIPRISE FINANCIAL, INC. AND ITS GROUP

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

SEE SECTION 13 - ADDITIONAL INFORMATION

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

23 DECEMBER 2013

6. Date on which issuer notified

31 DECEMBER 2013

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

BELOW 5%

8. Notified details

(A) Voting rights attached to shares

Number of voting rights - Direct - 347,399 - 0.093%

Number of voting rights - Indirect - 18,303,439- 4.88%

(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 - 18,650,838

Percentage of voting rights - 4.973%

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

Ameriprise Financial, Inc., which through intermediate holding companies
controls the voting rights of Columbia Management Investment Advisers, Columbia
Wanger Asset Management, Threadneedle Management Luxembourg S.A. and
Threadneedle Asset Management Holdings Ltd, which itself controls the voting
rights of Threadneedle Asset Management Ltd, Threadneedle International Ltd and
Threadneedle Pensions Ltd.

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

Littledown Nominees Ltd         A/c ZLA08          26,813

Littledown Nominees Ltd         A/c 39364         791,694

Ameriprise Financial Inc        A/c               202,900

HSBC Global Custody Nominees    A/c 5000212310     98,733
(UK) Ltd

Littledown Nominees Ltd         A/c 75102         270,000

Vidacos Nominees Ltd            A/c 6012918307    265,213

HSBC Global Custody Nominee     A/c 847452         83,471
(UK) Limited

HSBC Global Custody Nominee     A/c 739874      1,100,324
(UK) Limited

HSBC Global Custody Nominee     A/c 740311        106,704
(UK) Limited

The Bank Of New York ( Nominees A/c PTG 15303 /   168,718
) Limited                       09997799

HSBC Global Custody Nominee     A/c 811056         71,848
(UK) Limited

Chase Nominees Ltd              A/c 44729          28,420

Nortrust Nominees LTD           A/c BBH05         227,112

William & Glyns (Isle of Man)   A/c 301780         79,071
Nominees Ltd

Littledown Nominees Ltd         A/c ZLA03       6,786,336

Littledown Nominees Ltd         A/c 07198         300,874

Littledown Nominees Ltd         A/c 27642          46,525

Littledown Nominees Ltd         A/c ZLA09          14,204

Littledown Nominees Ltd         A/c 10479           8,075

Littledown Nominees Ltd         A/c ZLA12         313,978

Littledown Nominees Ltd         A/c ZLA14          87,520

Littledown Nominees Ltd         A/c 07207         439,011

Mellon Nominees (UK) Ltd        A/c WWSF0004002   421,711

Littledown Nominees Ltd         A/c 10491       3,033,690

Littledown Nominees Ltd         A/c 10488       1,688,723

Littledown Nominees Ltd         A/c 10489         555,503

Littledown Nominees Ltd         A/c 30337          78,500

Littledown Nominees Ltd         A/c ZLA15       1,125,241

14. Contact name

MARK POWNEY, THREADNEEDLE GROUP

15. Contact telephone number

01793 363135

Notification authorised by:



ROBBIE M. B. BROWN, COMPANY SECRETARY

3 JANUARY 2014