Update On Acquisition Of PSN

John Wood Group PLC

("Wood Group")

UPDATE ON ACQUISITION OF PSN

Wood Group, the international energy services company, confirms the
satisfactory completion of the UK merger control process in respect of its
acquisition of Production Services Network Limited (PSN) which is now expected
to complete on Wednesday 20 April 2011.

Enquiries

For further information please contact:

John Wood Group PLC

Robbie Brown, Group Head of Legal and Company Secretary

Tel: [phone]

Name of authorised company official responsible for making this notification.

ROBBIE M. B. BROWN, GROUP HEAD OF LEGAL AND COMPANY SECRETARY