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Pratt & Whitney Awarded Contract Modification to Extend System Development and Demonstration Program for F135 Engine

Contact: Matthew Perra
Phone: (860) 565-8938

EAST HARTFORD, Conn. - August 29, 2005 - Pratt & Whitney has been awarded a contract modification to align the F135 engine System Development and Demonstration (SDD) program with the F-35 Joint Strike Fighter schedule plan. The modification extends the original SDD contract by 16 months at an additional value of up to $968 million depending upon the level of work required.

In 2001, Pratt & Whitney was awarded a 10 - year $4.8 billion contract for System Development and Demonstration to develop the F135 propulsion system through flight clearance, flight test, and qualification for Low Rate Initial Production.

"This contract modification allows Pratt & Whitney's F135 to remain highly integrated with the Lockheed Martin F-35 as we move forward in the SDD program," said Bill Gostic, vice president, F135 engine programs for Pratt & Whitney. "We are very happy to remain in lock step with our teammates as we work together to bring the F-35 to first flight and beyond."

The F135 SDD program is used to manage risk through rigorous ground and flight testing of development engines while maturing technology before production. To date, Pratt & Whitney has delivered three Conventional Take Off and Landing (CTOL) configuration and four Short Take Off and Vertical Landing (STOVL) configuration engines to test. Those engines have logged more than 3,400 hours of SDD testing in addition to the more than 3,600 hours of pre-SDD testing the propulsion system accumulated while powering all JSF Concept Demonstration Aircraft ground and flight tests. Two additional CTOL qualification engines will be delivered to ground test in September.

This month Pratt & Whitney began assembly of the first flight test F135 engine, which will be delivered to Lockheed Martin in December. The Pratt & Whitney F135 will be the exclusive power for the Joint Strike Fighter's first flights beginning in the third quarter of 2006. The first production F135 engines will be delivered in 2009, supporting the F-35's introduction into operational service in 2012.

The technologically advanced F135 is an evolution of the highly successful F119 engine for the F/A-22 Raptor. Together the F135 and F119 will have logged more than one million flight hours before the F-35’s introduction into operational service in 2012. Lessons learned on the F119 can be directly incorporated into the F135 giving the propulsion system an unprecedented level of maturity and reliability for a development program.

The F135 propulsion system team consists of Pratt & Whitney, the prime contractor with responsibility for the main engine and system integration; Rolls-Royce, providing lift components for the STOVL F-35B; and Hamilton Sundstrand, provider of the F135’s control system, external accessories and gearbox.

Pratt & Whitney military engine models include the F135 for the F-35 Joint Strike Fighter; the F119 powering the F/A-22 Raptor; the F117 for the C-17 Globemaster III; the F100 for F-15 and F-16 fighters; the J52 for the EA-6B Prowler; the TF33 powering AWACS, Joint STARS, B-52, C-141 and KC-135 aircraft; the TF30 for the F-111, the PT6 for T-6A and UH-1N aircraft; and JT15 for the T-1A trainer and Pegasus UCAV.

Pratt & Whitney, a United Technologies company (NYSE: UTX), is a world leader in the design, manufacture and service of aircraft engines, space propulsion systems and industrial gas turbines.

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