May 10, 2010

MDA to provide advanced technology solution for Internet services

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd., (TSX:MDA), a provider of essential information solutions, announced today that it has signed a contract in excess of $10 million (USD) with Orbital Sciences Corporation (OSC) to provide an advanced technology solution. The solution will be integrated into the HYLAS 2 satellite being built for Avanti Communications Group Plc.

HYLAS 2 is a communications satellite planned for launch in 2012 that will provide significant additional capacity for Internet services in Europe, the Middle East and Africa.

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
www.orbital.com