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PRESS RELEASE

Pratt & Whitney Canada Expands Maintenance Coverage For INAER Aviation

FARNBOROUGH AIR SHOW, Wednesday, July 21, 2010

Pratt & Whitney Canada Customer Service Centre Europe GmbH (P&WC CSC Europe), a joint venture of Pratt & Whitney Canada (P&WC) and MTU Maintenance Berlin-Brandenburg GmbH, significantly expanded a Fleet Management Program (FMP® program) contract with INAER Aviation. P&WC is a United Technologies Corp. (NYSE: UTX) company.

Under a new, 13-year event cost plan (ECP) contract, P&WC CSE Europe will increase its engine maintenance coverage to 24 PT6C-67C engines from the current six engines covered. The engines power INAER's operated fleet of AgustaWestland AW139 helicopters.

"We are delighted to expand our maintenance coverage with INAER and its growing fleet of helicopters," said Clemens Linden, general manager of P&WC CSC Europe. "We remain committed to offering superior day-to-day support while providing innovative engine solutions."

The ECP with INAER Aviation is a tailor-made agreement that covers overhaul, hot section inspection, basic unplanned engine removals, rental support, engine condition trend monitoring, fuel nozzles plus other options.

INAER Aviation is a privately held group, which has operations in Europe, North Africa and Chile. Its growing helicopter fleet carries out a wide range of missions, including emergency medical services, civil defence, search and rescue, offshore logistics, fire-fighting and passenger transportation.

About Pratt & Whitney Canada

Pratt & Whitney Canada, based in Longueuil, Quebec, is a world leader in the design, manufacture and service of aircraft engines powering business, general aviation and regional aircraft and helicopters. The company also manufactures auxiliary power units and industrial gas turbines. United Technologies Corp., based in Hartford, Connecticut, United States, is a diversified company providing high technology products and services to the global aerospace and building industries

Every second, a Pratt & Whitney Canada-powered aircraft takes off or lands somewhere in the world. Pratt & Whitney Canada's engines, with more than 500 million hours in the air, are the industry benchmark for innovative design, dispatch reliability, operating economics and easy maintenance. Pratt & Whitney Canada's 24-7 Customer First Centre and a comprehensive network of field support representatives backed by in-house technical experts and an extensive parts distribution network deliver unmatched frontline service to the more than 50,000 P&WC engines flying around the world with more than 10,000 operators.