MacDonald, Dettwiler and Associates Ltd. (“MDA” or the “Company”) (TSX:MDA), a global communications and information company, today announced that it has signed a multi-million dollar contract with Boeing Satellite Systems, Inc. to supply a communication antenna subsystem for the AMOS-17 satellite. Scheduled for launch in 2019, AMOS-17 will expand and strengthen Spacecom’s coverage of the growing satellite service markets in Africa, the Middle East and Europe.

MDA’s antenna solutions cover a wide range of requirements to address single and multi-satellite programs in commercial, space, military and airborne markets.

About MDA

MDA is a global communications and information company providing operational solutions to commercial and government organizations worldwide. MDA’s business is focused on markets and customers with strong repeat business potential, primarily in the Communications sector and the Surveillance and Intelligence sector. In addition, the Company conducts a significant amount of advanced technology development. MDA’s established global customer base is served by more than 4,800 employees operating from 15 locations in the United States, Canada, and internationally. The Company’s common shares trade on the Toronto Stock Exchange under the symbol TSX:MDA. For more information, visit www.mdacorporation.com

About SSL MDA Holdings

SSL MDA Holdings is a wholly owned subsidiary of MacDonald, Dettwiler and Associates Ltd. (MDA) and serves as the operating company for all MDA businesses. SSL MDA Holdings is headquartered in San Francisco, California.