Wood Group Mustang awarded contract by Dow

FOR IMMEDIATE RELEASE

  Wood Group Mustang selected to provide engineering & field services for Dow  
                         pipeline construction project                         

       Agreement supports construction of new, world-scale ethylene unit        
      within Dow's comprehensive plan to enhance US Gulf Coast advantage       

HOUSTON, June 6, 2013 - Wood Group Mustang has been awarded a contract by The
Dow Chemical Company (NYSE: DOW) to provide services for construction of
approximately 140 miles of ethane, ethylene, propane and propylene pipelines,
associated interconnections, and station modifications between Dow Texas
Operations in Freeport, Texas, and facilities at Mt. Belvieu, Texas. The
pipelines and station upgrades are part of construction for a world-class
ethylene unit, previously announced as part of Dow's comprehensive plan to
further connect its US operations with cost-advantaged feedstocks available
from increasing supplies of US shale gas.

John Ellison, president of Wood Group Mustang's Pipeline Business Unit, stated,
"We are proud that Dow recognized the differentiators that set Wood Group
Mustang apart from our competitors and is entrusting us with the responsibility
of executing this prestigious project. We will endeavor to maintain this
trust."

Wood Group Mustang will provide engineering, field services and construction
management on the project through its Houston and Angleton, Texas offices. Wood
Group Mustang has previously provided a full spectrum of services for Dow's
pipeline assets, including support for the company's Texas pipeline integrity
program. Following completion of front-end loading (FEL) in 2012, detailed
design for the project began in February 2013. Completion is scheduled for late
2016.

                                    -ends-                                     

Wood Group Mustang is a global project management, engineering, procurement,
and construction operations company serving the upstream oil and gas, refining
and chemicals, pipeline, automation and control, and industrial markets. Wood
Group Mustang has offices in the offices in North America, South America,
Europe, Middle East, Asia & Africa. For more information, visit 
www.mustangeng.com.

Wood Group is an international energy services company with around $7bn sales,
employing about 43,000 people worldwide and operating in 50 countries. The
Group has three businesses - Wood Group Engineering, Wood Group PSN and Wood
Group GTS - 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. www.woodgroup.com

For further information contact:

Dena Lee, Director - Communications, Wood Group Mustang

Tel: [phone], email: [e-mail]

Carolyn Smith, Corporate Communications - Eastern Hemisphere, Wood Group
Tel: [phone], email: [e-mail]

Bobbie Ireland, Corporate Communications - Americas, Wood Group
Tel: [phone], email: [e-mail]