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PRESS RELEASE

Pratt & Whitney, JAEC and MTU to Collaborate on PurePower® PW1100G-JM for Airbus A320neo Program

EAST HARTFORD, Conn., Wednesday, September 28, 2011

Today, Pratt & Whitney, Japan Aero Engines Corporation (JAEC) and MTU Aero Engines AG announced they will collaborate to provide the PurePower PW1100G-JM engine for the A320neo program. Pratt & Whitney is a division of United Technologies Corp. (NYSE:UTX).

"We have been long-standing partners with JAEC and MTU in International Aero Engines' (IAE) V2500 program. The three parties plan to build upon their successful experience in the current IAE V2500 collaboration to help shape their new alliance," said Todd Kallman, president, Commercial Engines & Global Services for Pratt & Whitney. "We have reached an agreement with JAEC and MTU to join Pratt & Whitney's already launched PW1100G engine program for Airbus' newest aircraft program and added the "JM" designation recognizing JAEC and MTU on formally joining this PurePower engine program."

Under the collaboration agreement, MTU will hold an 18 percent share and be responsible for the low pressure turbine (LPT) and participate jointly with Pratt & Whitney in the high pressure compressor (HPC). JAEC will hold a 23 percent share and be responsible for the fan, low pressure compressor (LPC) and combustor/diffuser. Pratt & Whitney will be responsible for the remainder of the engine and systems integration.

The PurePower PW1000G series engines use an advanced gear system allowing the engine's fan to operate at a different speed than the low-pressure compressor and turbine. The combination of the gear system and an all-new advanced core deliver double-digit improvements in fuel efficiency, environmental emissions and noise.

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 future business opportunities and other matters involving this engine that are subject to risks and uncertainties. Important factors that could cause actual results to differ materially from those anticipated or implied in forward looking statements include changes in the health of the global economy and the strength of end market demand in the aerospace industry; as well as company specific items including the ability to achieve cost reductions at planned levels; challenges in the design, development, production and support of advanced technologies including this engine, and new products including the engine discussed in this press release; and delays and disruption in delivery of materials and services from suppliers. For information identifying other important economic, political, regulatory, legal, technological, competitive and other uncertainties, see UTC's SEC filings as submitted from time to time, including but not limited to, the information included in UTC's 10-K and 10-Q Reports under the headings "Business," "Risk Factors," "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Cautionary Note Concerning Factors that May Affect Future Results," as well as the information included in UTC's Current Reports on Form 8-K.

* CSeries is a trademark of Bombardier Inc.

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