7 July 2004

Argo-Tech is responsible for the fuel system integration including the design and development of the engine feed, transfer, refuel and vent subsystems and the fuel system qualification. Smiths will provide the fuel gauging and management software technology.

J-UCAS is a DARPA / Air Force / Navy effort to develop a high performance, weaponized unmanned air vehicle that meets the mission requirements for both the U.S. Air Force and U.S. Navy.

Northrop Grumman Integrated Systems is a premier aerospace and defense systems integration enterprise with the capabilities to design, develop, produce and support fully missionized integrated systems and subsystems.

The X-47 Air Vehicle Fuel System program will be managed by Argo-Tech's Air Frame division in Costa Mesa, California. Argo-Tech is a leader in the development and manufacture of aircraft fuel systems and fuel system components.

About Smiths: Smiths Aerospace, a part of Smiths Group plc, is the leading transatlantic aerospace systems and equipment company, with more than 9,000 staff and $1.6 billion revenues split between Europe and North America. The company holds key positions in the supply chains of all major military and civil aircraft and engine manufacturers and are world-leaders in electronic and mechanical systems, precision components and Systems Customer Services. www.geaviationsystems.com