U.S. Operations Canada Operations Global Offices

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

Marissa Poratto Cleghorn
Telephone 1 604 231-2944