MacDonald, Dettwiler and Associates Ltd. (โ€œMDAโ€ or the โ€œCompanyโ€) (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 Spacecomโ€™s coverage of the growing satellite service markets in Africa, the Middle East and Europe.

MDAโ€™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. MDAโ€™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. MDAโ€™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 Companyโ€™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.