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 TRANSFER OF ASSET MANAGEMENT ACTIVITIES BY APG ALGEMENE PENSIOEN GROEP N.V. TOAPG ASSET MANAGEMENT N.V. IN ACCORDANCE WITH THE PROVISIONS OF DUTCH LAW. 3. Full name of person(s) subject to notification obligation APG ASSET MANAGEMENT N.V. 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 orreached 29 SEPTEMBER 2014 6. Date on which issuer notified 30 SEPTEMBER 2014 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 - 15,035,707 - 4.01% Number of voting rights - Indirect - N/A (B) Financial Instruments N/A (C) Financial Instruments with similar economic effect to Qualifying FinancialInstruments 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 - 15,035,707 Percentage of voting rights - 4.01% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable APG ASSET MANAGEMENT N.V. - 15,035,707 (4.01%) PROXY VOTING 10. Name of the proxy holder APG ASSET MANAGEMENT N.V. 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 MARTIJN SNOEK 15. Contact telephone number +31 20 604 8168 Notification authorised by: Robbie M B Brown, Company Secretary

6 OCTOBER 2014