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PRESS RELEASE

Pratt & Whitney's Revolutionary PurePower® Geared Turbofan™ Engines Power HK Express Milestone Flight

EAST HARTFORD, Conn., Wednesday, December 21, 2016

Pratt & Whitney's PurePower Geared Turbofan engines have powered HK Express' first Airbus A320neo revenue service flight. The HK Express flight flew from Hong Kong to Osaka, Japan on Dec. 12. Pratt & Whitney is a division of United Technologies Corp. (NYSE:UTX).

"Pratt & Whitney's PurePower engines have performed superbly throughout the introduction of our first A320neo into service," said Andrew Cowen, CEO of HK Express. "We are confident that this highly efficient aircraft will support the growth of our business, benefiting our passengers and enhancing our sustainability. We look forward to introducing more A320neo aircraft to our fleet."

"It's fantastic to see our PurePower engines enter service with such a dynamic and fast growing airline like HK Express," said Rick Deurloo, senior vice president, Commercial Engine Sales, Marketing and Customer Service. "The revolutionary technology of the PurePower GTF engine is transforming aviation by helping airlines to deliver lower costs and more sustainable operations."

The Pratt & Whitney PurePower family has more than 80 customers, for both announced and unannounced firm and option orders, from more than 30 countries. In-service performance of the PurePower engine has demonstrated its ability to reduce fuel burn by 16 percent, regulated emissions by 50 percent and noise foot print by 75 percent*.

HK Express is based in Hong Kong.

Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power units. United Technologies Corp., based in Farmington, Connecticut, provides high-technology systems and services to the building and aerospace industries. To learn more about UTC, visit the website at www.utc.com or follow the company on Twitter: @UTC.

This press release contains forward-looking statements concerning future business opportunities. Actual results may differ materially from those projected as a result of certain risks and uncertainties, including but not limited to changes in levels of demand in the aerospace industry, in levels of air travel, and in the number of aircraft to be built; challenges in the design, development, production, support, performance and realization of the anticipated benefits of advanced technologies; as well as other risks and uncertainties, including but not limited to those detailed from time to time in United Technologies Corp.'s Securities and Exchange Commission filings.

*A320neo engines compared to 737-800 engines.