For immediate release: November 20, 2003

MDA Introduces Customized Property Information Solutions for U.S. Banks

Richmond, B.C. - MacDonald, Dettwiler and Associates Ltd. (TSX: MDA) announced today that the company's DataQuick subsidiary has contracted with two of the top ten banks in the United States to provide property information solutions.

MDA has agreed to provide one major bank with a data solution that will deliver timely property information and aid in quality control. For the other national bank, MDA will implement an advanced online subscription tool that will provide monthly updates of customized sales comparables for marketing purposes.

Related Websites:
www.mdacorporation.com
www.dataquick.com



For more information, please contact:

Ted Schellenberg
Media Relations
MacDonald Dettwiler
Telephone: (604) 231-2215
E-mail: teds@mda.ca