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PRESS RELEASE

Pratt & Whitney EcoPower® Engine Wash Extends to Helicopter Market

NAVAL BASE CORONADO, Calif., Friday, August 19, 2011

Pratt & Whitney has completed its first EcoPower engine washes on a U.S. Navy SH-60 Seahawk helicopter at Naval Base Coronado, Calif. The first EcoPower helicopter engine washes signify that EcoPower services are now available for military helicopters, in addition to large commercial and military aircraft. Pratt & Whitney is a United Technologies Corp. (NYSE:UTX) company.

"Helicopters operating in harsh environments with salt and sand need to be washed after almost every flight to maintain performance. EcoPower engine wash is the first environmentally sound solution for washing helicopter engines," said Lou Quattrocchi, Pratt & Whitney Product Line Management vice president. "The closed-loop system of the EcoPower engine wash uses pure water and no harsh chemicals, making the whole process safe and environmentally responsible. Helicopter engines can now be washed anywhere on the flight line with EcoPower."

Pratt & Whitney's patented EcoPower engine wash system reduces fuel burn and carbon dioxide emissions, while also decreasing engine gas temperature, 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.

EcoPower is a registered trademark of United Technologies Corporation.

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