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

COMPUTERSHARE TRUSTEES (JERSEY) LTD

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

COMPUTERSHARE NOMINEES (CHANNEL ISLANDS) LTD

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

17 MARCH 2017

6.       Date on which issuer notified

21 MARCH 2017

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

3%

8.       Notified details

(A)          Voting rights attached to shares

Number of voting rights – Direct – 10,179,976 – 2.67%

Number of voting rights – Indirect – 1,240,563 – 0.33%

(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 – 11,420,539

Percentage of voting rights – 3%

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

STEPHANIE HENRY

15.      Contact telephone number

01534 281807

Name of authorised company official responsible for making this notification.

LORRAINE SPROULE, DEPUTY COMPANY SECRETARY

22 MARCH 2017