Corporate Contacts MacDonald, Dettwiler and Associates Ltd. 13800 Commerce Parkway Richmond, British Columbia Canada V6V 2J3 Telephone: (604) 278-3411 Fax: (604) 278-1837 E-mail: invest@mdacorporation.com General inquiries: info@mdacorporation.com Customer Support Fax: 1-604-278-3786 E-mail: mdasupt@mdacorporation.com Online System Problem Report Form Business Location Contacts Contact information for the Company's many business locations can be found on the business segment website: Property Information Integrated Information Solutions Space Missions Geospatial Services US (MDA Federal Ltd.) Geospatial Services International E-mail: clientservices@mdacorporation.com Telephone: 604-244-0400 Toll-free in North America: 1-888-780-6444 Fax: 604-231-4938

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