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PRESS RELEASE

Pratt & Whitney Certifies Engine for Embraer E-Jet E2 Aircraft with FAA

WEST PALM BEACH, Fla., Wednesday, May 31, 2017

Pratt & Whitney's PurePower® Geared Turbofan™ PW1900G engine received certification from the Federal Aviation Administration. Pratt & Whitney is a division of United Technologies Corp. (NYSE:UTX).

The PW1900G engine powers the two largest aircraft in Embraer´s second generation of the E-Jets family of commercial aircraft. The E190-E2 took its first flight in May 2016 and the E195-E2's first flight was on March 29, 2017.

"The FAA validation of the PW1900G engine type certificate is a key program milestone," said Chris Calio, president, Commercial Engines. "The engine provides 23,000 pounds of thrust and is currently powering five flight test vehicles with more than 900 hours of flight testing completed."

The certification test program spanned nearly 18 months and included sea level as well as operability and performance testing among the rigorous protocol the engine underwent.

The PW1900G engine, the fourth in the PurePower family to be certified, is scheduled to enter into customer service on the E190-E2 in 2018, with the 195-E2 scheduled to enter service in 2019.

The E-Jet E2 program is one of two programs that Pratt & Whitney and Embraer are working together on. Pratt & Whitney is part of the collaboration which supplies the V2500-E5 engine for the Embraer KC-390, which is under certification campaign. Pratt & Whitney also supplies the auxiliary power unit for the E-Jet E2 program.

The Pratt & Whitney PurePower engine 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 family has demonstrated its ability to reduce fuel burn by 16 percent, regulated emissions by 50 percent and noise foot print by 75 percent.

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.