MDA Signs 5-Year Contract With PEMEX For Surface Oil Monitoring In Gulf Of Mexico

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd. (TSX: MDA), a provider of essential information solutions, announced today that it has entered into a 5-year multi-million dollar contract with Petroleos Mexicanos (PEMEX) for the continued monitoring of natural oil seeps and oil spills in the Gulf of Mexico using RADARSAT satellite data.

PEMEX has been using RADARSAT data provided by MDA since 2001. Through its work with MDA the company has established a maritime monitoring program in the Gulf of Mexico to increase its environmental performance with regards to oil spill prevention and response, as well as to develop a deeper understanding of the behaviour of natural oil seeps in support of its exploration activities.

PEMEX spokesperson, Miguel Herrera stated, "One of the key strengths of working with MDA and the RADARSAT program is MDA's ability to support timely delivery of data and information in the event of an oil spill. We are also looking forward to the launch of RADARSAT-2 which will provide more advanced imaging capabilities that will further enhance our environmental stewardship and exploration initiatives."

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.

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. 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.