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PRESS RELEASE

PurePower® Engines Surpass 1,000 Hours of Full Engine Testing

DUBAI AIR SHOW, Dubai, Monday, November 14, 2011

Pratt & Whitney has successfully completed more than 1,000 hours of full engine testing on its PurePower engines for its first two applications – the PW1500G engine series for the Bombardier* CSeries* aircraft and the PW1200G engine series for the Mitsubishi Regional Jet. Four PW1500G engines and two PW1200G engines have undergone testing to date. Each engine model will run a total of eight test engines leading to engine certification. Pratt & Whitney is a United Technologies Corp (NYSE:UTX) company.

In September, the PW1524G engine for the Bombardier* CSeries* aircraft completed its first flight test program logging 25 flights with 115 flight hours. This first flight engine continues testing at the Pratt & Whitney sea-level test facility in West Palm Beach, Fla. A PW1524G flight test engine was recently delivered to Pratt & Whitney Canada's Mirabel Aerospace Centre, in Mirabel, Québec (Canada) for mounting on the company's flying test bed to begin a second flight test campaign by year end.

Early last month, Pratt & Whitney announced the conclusion of the initial phase of ground testing of the PW1217G engine for the Mitsubishi Regional Jet aircraft. The engine completed more than 300 hours and 1,100 cycles.

"We are on track for engine certification next year. Initial engine testing confirms we will meet our customer commitments on our initial models," said Bob Saia, vice president, Next Generation Product Family. "This first block of engine testing, including the PW1524G flight testing, validated the overall engine design and positions us well going forward."

The PurePower family of engines is designed to power the next generation of passenger aircraft. The combination of its gear system and advanced core allows PurePower engines to deliver double-digit improvements in fuel efficiency and emissions with a 50-percent reduction in noise over today's engines.

The PurePower engine has been selected as exclusive power for the Bombardier* CSeries* aircraft and Mitsubishi Regional Jet. It will also power the first Airbus A320neo aircraft scheduled to enter service in 2015, as well as the Irkut MC-21 narrow-body jet scheduled to enter service in 2016.

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 release includes "forward looking statements" concerning anticipated business opportunities that are subject to risks and uncertainties, including with regard to the programs described in this release. Important factors that could cause actual results to differ materially from those anticipated or implied in forward looking statements include the impact of deterioration or extended weakness in global economic conditions on demand for our products and services, the financial strength of customers and suppliers and on levels of air travel; and challenges in the design, development, production and support of advanced technologies and new products and services. For information identifying other important economic, political, regulatory, legal, technological, competitive and other uncertainties, see UTC's 10-K, 10-Q and other reports filed with the SEC.

* Trademarks of Bombardier Inc. or its subsidiaries.

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