Hamilton Sundstrand Wins Additional Content on COMAC C919

FARNBOROUGH, England, July 19, 2010 - FARNBOROUGH AIR SHOW - Commercial Aviation Corporation of China, Ltd.
(COMAC) has selected another Hamilton Sundstrand business to provide
additional content on the new C919 aircraft. Hamilton Sundstrand is a
subsidiary of United Technologies Corp. (NYSE: UTX).

COMAC selected Hamilton Sundstrand's Ratier-Figeac business to provide
the aircraft's pilot controls, which includes side sticks, rudder brake
pedals, speed brake control lever, control panel and the Thrust Control
Quadrant.

In addition to this award, COMAC previously selected Hamilton
Sundstrand's Electric Systems business to provide the C919's electric power
generation and distribution systems. Hamilton Sundstrand's Kidde Aerospace &
Defense business was also selected to provide the C919's integrated fire and
overheat protection systems.

The combined value of these awards is estimated to be worth more than
US$1.5 billion in revenue over the program's life.

"With these wins, Hamilton Sundstrand continues to expand its already
large presence in the Chinese aviation market," said Hamilton Sundstrand
President Alain Bellemare. "We are pleased to have the opportunity to work
with COMAC in developing China's first large commercial jetliner."

COMAC is the Chinese commercial aircraft manufacturer established in May
2008. The 150-seat class C919 is expected to enter into service in 2016.

Hamilton Sundstrand began its presence in the Chinese aviation market in
1985 with the development of the MA60 aircraft. Today, Hamilton Sundstrand is
a key systems supplier on COMAC's 90-seat ARJ21 regional jet, supplying the
electric power system, including the APS2600 Auxiliary Power Unit; the Ram
Air Turbine; the high-lift actuation system, which includes flap and slat
actuators, drive train, power drive units and controllers; fire protection
systems; and the electrical power generation, primary distribution and
emergency power system.

With 2009 revenues of US$5.6 billion, Hamilton Sundstrand is
headquartered in Windsor Locks, Conn. Among the world's largest suppliers of
technologically advanced aerospace and industrial products, the company
designs, manufactures and services aerospace systems and provides integrated
system solutions for commercial, regional, corporate and military aircraft.
It also is a major supplier for international space programs.

United Technologies Corp., based in Hartford, Conn., is a diversified
company providing high technology products and services to the building and
aerospace industries worldwide.

This press release contains forward-looking statements concerning
potential production and sale of Hamilton Sundstrand aerospace products and
services. Important uncertainties that could cause actual results to differ
materially from those anticipated include the severity and duration of global
recessionary conditions; the impact of volatility and weakness in financial
markets on overall levels of economic activity; declines in end market demand
in the aerospace industry; challenges in the design, development, production
and support of advanced technologies; 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.

    Contact: Dan Coulom
             860-305-5471
             www.hamiltonsundstrand.com

             Chalet D14-16
             44 (0) 1252 418300 - Main
             44 (0) 1252 418302

Dan Coulom, +1-860-305-5471, www.hamiltonsundstrand.com; Chalet D14-16, 44 (0) 1252 418300 - Main, 44 (0) 1252 418302