MDA Introduces Unique Direct Marketing Information Solution In The U.S.

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd. (TSX: MDA), a provider of essential information solutions, announced today that its U.S. subsidiary, DataQuick, has released PrimeraSource, a comprehensive marketing list information solution that allows direct marketing companies to target property owners based on property value, available equity, and other property characteristics.

The PrimeraSource database covers approximately 85% of all properties and property related sales and loan transactions within the U.S. A unique new product for a rapidly growing market, this intelligent information solution provides direct marketers with a powerful capability to generate marketing lists of current homeowners in a specified area of interest who own properties that match a specific selection of loan or property related characteristics.

MDA's General Manager of U.S. Financial Services James Thornton said "PrimeraSource allows MDA to enter the growing market for U.S. direct marketing with a unique solution that is based on property and lending information, two of our fundamental strengths. The combination of marketing lists derived from property and loan centric information with key consumer centric information allows for more focused marketing campaigns."

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
www.dataquick.com

Forward-Looking Statement

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.