MDA Signs Another HIP Distributor Agreement In The U.K.

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd. (TSX: MDA), a provider of essential information solutions, announced today that it has signed an exclusive contract with an established consortium of inspectors, estate agents and solicitors in the Midlands area called the Home Information Pack Company Ltd. (HIP Co.). The agreement enables the consortium to distribute MDA-produced home information packs (HIPs) under its own brand, or its member's brand.

The consortium has chosen MDA as the partner who can provide the most comprehensive solution to support their offering of a complete HIP to local independent members. Consortium members will be able to integrate HIPs into their property service offerings well in advance of the UK HIP compulsion date of June 1, 2007. Through this agreement, MDA will be expanding its regional coverage across England.

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.hip-co.co.uk

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.