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PRESS RELEASE

Pratt & Whitney Purchases Patented Technology for EcoPower® Engine Wash

EAST HARTFORD, Conn., Tuesday, January 18, 2011

Today, Pratt & Whitney closed on an agreement with Gas Turbine Efficiency to purchase the assets of the company's aviation business, which provides patented technology for Pratt & Whitney's EcoPower® engine wash service. Pratt & Whitney is a United Technologies Corp. (NYSE:UTX) company.

Pratt & Whitney had exclusive rights to use Gas Turbine Efficiency's technology to wash aircraft engines since it launched its EcoPower engine wash service in 2004. With this agreement, Pratt & Whitney will own the intellectual property for the technology as well as other assets associated with Gas Turbine Efficiency's aviation business.

"As an original equipment manufacturer, we are committed to helping our customers reduce operating costs and provide quantifiable environmental benefits," said Andrew Tanner, vice president, Product Line Management, Pratt & Whitney. "The acquisition of Gas Turbine Efficiency's aviation business supports this goal as we continue to offer the EcoPower engine wash service to customers around the world at competitive prices."

Gas Turbine Efficiency designs, manufactures and supplies proprietary cleantech energy saving and performance enhancing solutions to the power generation, as well as oil and gas industries.

Pratt & Whitney's patented EcoPower engine wash system reduces fuel burn by as much as 1.2 percent, eliminating three pounds of carbon dioxide emissions for every pound of fuel saved, while also decreasing engine gas temperature thus increasing the amount of time an engine can stay on wing.

Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines, space propulsion systems and industrial gas turbines. United Technologies, based in Hartford, Conn., is a diversified company providing high technology products and services to the global aerospace and commercial building industries.

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