Date Posted: June 28, 2006

Courtesy of: MDA Corporation

MDA Announces RADARSAT-2 Launch Date

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd. (TSX: MDA), a provider of essential information solutions, announced today that the launch of RADARSAT-2 is now scheduled for March 2007. This aligns completion of the final integration and test with the recently secured launch window on the Soyuz II being provided by Starsem.

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