MDA Continues To Provide Geospatial Information Solutions For U.S. Federal Government Program

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd. (TSX: MDA), a provider of essential information solutions, announced today that its subsidiary, Triathlon Ltd., has received over $3.6 million CDN since February 2005 for geospatial information solutions destined for a U.S. federal government program.

The program uses MDA's geospatial products and services derived from aerial and satellite data of the United States. The total value of all orders received for this program since January 2004 is approximately $5 million CDN.

About MDA

MDA provides advanced information solutions that capture and process vast amounts of data, produce essential information, and improve the decision making and operational performance of business and government organizations worldwide.

Focused on markets and customers with strong repeat business potential, MDA delivers a broad spectrum of earth and space based information solutions, ranging from complex operational systems, to tailored information services, to electronic information products.

MDA employs more than 2,500 people in locations across the United States, the United Kingdom, and Canada. The Company's common shares trade on the Toronto Stock Exchange under the symbol TSX:MDA.

Related Websites:
www.mdacorporation.com