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PRESS RELEASE

Pratt & Whitney Delivers First F100-229 Engine Enhancement Package (EEP) Engine

EAST HARTFORD, Conn., November 17, 2009

Pratt & Whitney has delivered the first ever F100-229 Engine Enhancement Package (EEP) Engine for installation in a Republic of Korea Air Force F-15. This is the first of six EEP engines to be delivered to the ROKAF this year, in addition to the ongoing delivery of engine build kits that will be assembled by Samsung Techwin in Korea. The engine program is valued at approximately $200 million and is scheduled for delivery in 2009 and 2010. Pratt & Whitney is a United Technologies Corp. (NYSE:UTX) company.

"We are honored that the ROKAF has selected the Pratt & Whitney F100-PW-229 EEP engine to power their fighter fleet," said Bill Begert, Vice President of Business Development for Pratt & Whitney. "With the F100-PW-229 EEP engine, we have listened to the needs of the customer and are delivering to them a high quality, dependable engine that is safer, more durable and costs significantly less to operate and maintain."

The F100-PW-229 EEP engine is the only fighter engine funded and qualified by the U.S. Air Force to 6,000 cycle capability and is the latest evolution of the F100 family of fighter aircraft engines. The F100-PW-229 EEP engine increases the engine depot inspection interval from seven years to 10 years and provides up to a 30 percent life cycle cost reduction over the life the engine. The EEP will also offer significant safety benefits, with a predicted 25 percent reduction in the in-flight shutdown rate.

The F100-PW-229 EEP engine offers customers a lower total cost of ownership and an outstanding record of safety. Incorporating the latest technologies, this propulsion system provides advanced, dependable power for F-15 and F-16 fighter aircraft around the world.

Pratt & Whitney military engines include the F135 for the F-35 Lightning II, the F119 for the F-22 Raptor, the F100 family that powers the F-15 and F-16, the F117 for the C-17 Globemaster III, the J52 for the EA-6B Prowler, the TF33 powering AWACS, Joint STARS, B-52, and KC-135 aircraft, and the TF30 for the F-111. In addition, Pratt & Whitney offers a global network of Maintenance Repair and Overhaul and Military Aftermarket Services focused on maintaining engine readiness for our customers.

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 building industries.

This press release contains forward-looking statements concerning future business opportunities and technological outcomes. Actual results may differ materially from those projected as a result of certain risks and uncertainties, including but not limited to changes in government procurement priorities and practices or in the number of aircraft to be built; challenges in the design, development, production and support of technologies, variations in operational use of engines; as well as other risks and uncertainties, including but not limited to those detailed from time to time in United Technologies Corporation's Securities and Exchange Commission filings.