Wood Group Power Operations Awarded Six-Year Operations and Maintenance Contract from Greenfield Energy Centre.

ORLANDO, Fla. -- Wood Group Power Operations, Inc. ("WGPO"), part of the Gas Turbine Services Division of international energy services company John Wood Group PLC (LSE:WG) ("Wood Group"), has been awarded a six-year contract from Greenfield Energy Centre ("GEC") for the care, custody and control, operations and maintenance (O&M) of GEC's 1,010 MW facility.

The GEC project is located in Courtright, Ontario, Canada. Currently in construction, the facility will be a natural gas-fired combined cycle power plant consisting of three Siemens/Westinghouse 501FD2 gas turbines and a single Toshiba steam turbine operating in combined cycle.

GEC went through a strident capabilities analysis and a highly competitive bid process to identify the most qualified operating partner for its investment. Mr. Ryo Zushiden, VP of GEC said, "We were looking for a company that was flexible, and willing to take the necessary risk to show its commitment to the project." He continued, "The creative and true-value added solutions that Wood Group Power Operations presented, with the programs and operational experience they were able to demonstrate, allowed us to make our decision in confidence."

Sergio A. Picon, Executive V.P. of WGPO said, "WGPO brings a fierce commitment to structuring the right blend of solutions that meet the risk requirements of our customers, we strive to become a true-extension of the owner and work to deliver on performance beyond the confines of the contract."

Wood Group is an international energy services company with approximately $3.0bn sales, employing more than 18,000 people worldwide and operating in 44 countries. The Group has three businessesCoEngineering & Production Facilities, Well Support, and Gas Turbine ServicesCoproviding 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.

Wood Group Gas Turbine Services is a leading world-wide independent provider of operations, maintenance, repair and overhaul services for gas turbines, steam turbines, generators, and other high-speed rotating equipment, including pumps and compressors. The company also repairs gas turbine accessories and components for industrial and aero customers.

Wood Group Power Operations, Inc., with current operations of 22 projects generating over 8600 MW, combines a fierce commitment to creative, value-added solutions; the global power, reach and resources of Wood Group's companies; and extensive experience in power plant operations to provide world-class operations and maintenance services that increase the productivity, efficiency and profitability of our customers' power plants.

Greenfield Energy Center, LLP, is a partnership between subsidiaries of Calpine Corporation ("Calpine") and Mitsui & Co., Ltd. ("Mitsui"), and are the exclusive owners of the Project.

Mitsui & Co., Ltd. Mitsui is a leading trading and investment company established in Japan in 1947, with offices all around the world including those in the US and in Canada. It has substantial experience in the electric power industry, both as an equity participant, EPC Contractor and as an arranger of financing. Mitsui has been continuously active in various aspects of the power industry worldwide, including equipment supply, prime EPC undertakings, financing, and development of and investment in independent power projects. Mitsui's current assets total approximately 3,500 MW of equity investment in approximately 17,000 MW of projects.