Wood Group acquires Global Performance Holdings...

Wood Group's Mustang Engineering acquires Golbal Performance Holdings Inc
                 
Mustang Engineering, L.P. ('Mustang'), part of international energy services
company John Wood Group PLC ('Wood Group'), has acquired Global Performance
Holdings, Inc. ('Global'), an international provider of project management,
construction management, and engineering & design services to the chemical,
process & industrial sectors. The acquisition is an important step in
broadening Mustang's engineering services, and provides Mustang with access to
an additional source of highly experienced and skilled engineering
professionals.

Global had revenues of $41.2 million for the year ended December 31, 2005, and
gross asset value at the year end was $22.5 million. Based in Greenville, South
Carolina, Global employs approximately 375 personnel and will be a key part of
Mustang's dedicated Process & Industrial business unit.

'Global provides world-class services to its markets, and will broaden
Mustang's construction management capabilities and experience. Global is a good
cultural fit, with a strong people-oriented environment,' stated Steve Knowles,
president, Mustang.

'We look forward to joining Wood Group and Mustang, and are pleased to be
associated with a company with such similar values and company culture as
Global's. Being able to leverage Wood Group and Mustang's international
footprint and presence in the marketplace will provide significant
opportunities for growth,' said Global Co-founders Dennis Braasch, Jay
Alexander, Steve Kiker and Rich Koester, who will be part of the business
unit's executive management team.

-ends-

Notes to Editors

Wood Group is an international energy services company with $2.8bn sales,
employing more than 16,000 people worldwide and operating in over 40 countries.
The Group has three businesses -Engineering & Production Facilities, Well
Support, and Gas Turbine Services-providing a range of engineering, production
support, maintenance management and industrial gas turbine overhaul and repair
services to the oil & gas, and power generation industries worldwide.

Mustang is an independent services provider to the global oil, gas and chemical
industries. The company specializes in design, engineering, procurement,
project management and construction management. Mustang has offices in Houston,
Texas, and nine other cities in the United States, and international offices in
London and Perth. Mustang completed the acquisition through a Wood Group
subsidiary.

For enquiries please contact -

Wood Group:

Carolyn Smith, Tel: [phone], e-mail: [e-mail]

Bobbie Ireland, Tel: [phone], e-mail: [e-mail]

Mustang Engineering:

Dena Lee, Tel: [phone], e-mail: [e-mail]