The Company's common shares trade under the symbol TSX:MDA

Questions related to MDA's share certificates can be directed to our transfer agent:

Computershare Investor Services Inc.
Stock and Bond Transfer Department
510 Burrard Street
Vancouver, British Columbia
Canada V6C 3B9

Telephone: 1 604 661-9400
Fax: 1 604 661-9401

Investor Relations Contact: invest@mdacorporation.com