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PRESS RELEASE

Pratt & Whitney Offers PW4000 94-inch Advantage Performance Upgrade Package to Reduce Fuel Burn and Operating Costs

SINGAPORE AIR SHOW, Friday, February 5, 2010

Pratt & Whitney will offer an Advantage Performance Upgrade package for the PW4000 94-inch family of engines that will deliver 1 percent fuel burn reduction and improve engine durability. Other benefits of the package include lower greenhouse gas emissions, lower gas exhaust temperature and increased time on wing. Pratt & Whitney is a United Technologies Corp. (NYSE:UTX) company.

Following the successful entry into service of the PW4000 Advantage70™ engine for the Airbus A330 aircraft, Pratt & Whitney will leverage service-proven technologies, improvements made to High Pressure Turbine (HPT) and High Pressure Compressor (HPC) modules to deliver the PW4000 94" Advantage Performance Upgrade benefits.

"The upgrade will be available second quarter 2010, and it will offer PW4000 94-inch operators benefits to reduce costs while also improving environmental and operational performance" said Andy Tanner, vice president, Product Line Management, Pratt & Whitney. "The Advantage Performance Upgrade package can be incorporated during a performance restoration shop visit."

Since entering into revenue service in 1987, Pratt & Whitney has delivered over 2,500 PW4000 94-inch family of engines to operators around the world. To date, the engines have accumulated over 100 million hours of revenue service powering Boeing 767, 747, and MD-11 aircraft, as well as Airbus A300 and A310 aircraft.

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.