MDA to Research Information Solution for Protection of Maritime Forces Against Terrorist Threats

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd. (TSX: MDA), a provider of essential information solutions, announced today it has been awarded a $3.5 million CAD technology demonstration contract from Defence Research & Development Canada - Atlantic (DRDC Atlantic), an agency of Canada's Department of National Defence. MDA will research and demonstrate an information solution for the protection of maritime Naval forces against surface and underwater terrorist threats.

This project is aimed at developing effective protection of ships operating, anchored, or docked in port, as well as other valuable coastal and harbour assets. Working in collaboration with DRDC Atlantic, MDA will explore ship vulnerability in the event of an attack or threat, as well as MDA and third party information technology options for the detection, classification and potential mitigation of threats, and the integration of such information solutions with the command and control structure.

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 3,000 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.

About DRDC

DRDC is an agency of the Canadian Department of National Defence responding to the scientific and technological needs of the Canadian Forces. Its mission is to ensure that the CF remains scientifically and operationally relevant. The agency is made up of seven research centres located across Canada with a corporate office in Ottawa. DRDC has an annual budget of $300 million and employs 1500 people. With a broad scientific program, DRDC actively collaborates with industry, international allies, academia, other government departments and the national security community.

Related Websites:
www.mdacorporation.com
www.drdc.gc.ca

Forward-Looking Statements

This release contains forward-looking statements and information, which reflect the current view of MacDonald, Dettwiler and Associates Ltd. with respect to future events and financial performance. Any such forward-looking statements are subject to risks and uncertainties and MDA's actual results of operations could differ materially from historical results or current expectations. Additional information on these and other potential factors that could affect MDA's financial results are detailed in documents filed from time to time with the applicable Canadian securities regulatory authorities.

The Toronto Stock Exchange has neither approved nor disapproved the form or content of this release.