MDA announces release of new geospatial product

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd. (TSX: MDA), a provider of essential information solutions, announced today that it has released a new geospatial product, the National Urban Change Indicator, initially covering the lower 48 U.S. States. Using satellite imagery, the product shows if, and when, an area has undergone a human-induced change sometime in the last 25 years. These changes are generally new or changed construction.

The Department of Homeland Security (DHS)/Federal Emergency Management Agency (FEMA) has purchased an agency license.

The product is created using the Correlated Land Change proprietary process developed by MDA over the last three years.

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 information solutions, ranging from complex operational systems, to tailored information services, to electronic information products.

The Company's common shares trade on the Toronto Stock Exchange under the symbol TSX:MDA.

Related Websites:
www.mdacorporation.com

Forward-Looking Statements
This release contains forward-looking statements and information, which reflect the current view of MacDonald, Dettwiler and Associates Ltd. (“MDA”) with respect to future events and financial performance. The forward-looking statements in this regard include statements regarding the release of a satellite imagery product (the “Product”). Any such forward-looking statements are based on MDA’s current expectations, estimates, projections and assumptions in light of its experience and its perception of historical trends. The factors and assumptions underlying the forward-looking statements in this release include the Product performing as expected. Any such forward-looking statements are subject to a number of risks and uncertainties that could cause actual results to differ materially from current expectations. MDA cautions readers that should certain risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary significantly from those expected. The risks that could cause actual results to differ from current expectations include general economic, regulations and competitor changes; changes in government priorities, funding levels, contracts and regulations; satellite failure; and failure to anticipate changes in technology, technical standards and product offerings or comply with the requisite standards.

For additional information with respect to certain of these risks or factors, plus additional risks or factors, reference should be made to MDA’s continuous disclosure materials filed from time to time with Canadian securities regulatory authorities, which are available online at www.sedar.com or on MDA’s website at www.mdacorporation.com.

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