Director/PDMR Shareholding

23 May 2013

John Wood Group PLC ('Company')

NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS

DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS

In accordance with DTR 3.1.2R, the Company was informed that on 22 May 2013
Helen Langlands, the wife of Allister G Langlands a Director of the Company,
sold 250,000 shares being 0.07% of the issued share capital of the Company at a
sale price of £8.46 per share, such transaction taking place on the London
Stock Exchange.

Mrs Langlands is a connected person of Mr Langlands for the purposes of DTR
3.1.2R.

Following the transaction, Mrs Langlands holds 184,323 ordinary shares
representing 0.05% of the issued share capital of the Company.

Mr Langlands holds 498,414 ordinary shares representing 0.134% of the issued
share capital of the Company, of which 389,763 shares are held directly and
108,651 restricted shares are held with a beneficial interest only. Mr
Langlands also holds 40,000 share options.

The Company's issued capital consists of 373,175,384 ordinary shares with
voting rights.

Notification authorised by:

ROBBIE M B BROWN, COMPANY SECRETARY



END