MDA Chairman of the Board Robert L. Phillips to receive Institute of Corporate Directors Fellowship Award

Vancouver, BC - MacDonald, Dettwiler and Associates Ltd. ("MDA" or the "Company") (TSX: MDA), a global communications and information company, is pleased to announce that Mr. Robert L. Phillips, chairman of the MDA board of directors, will receive the Institute of Corporate Directors (ICD) Fellowship Award at its annual gala on June 22, 2017 in Toronto.

Howard L. Lance, president and chief executive officer of MDA said, “On behalf of the MDA board of directors and senior management, I want to congratulate Bob on this great honour. Since joining the MDA board in 2003 and becoming chairman in 2005, he has made significant contributions to the success of our company. He consistently inspires others with both his insights and his steadfast commitment to the highest levels of corporate governance.”

The ICD is a not-for-profit, member-based association of more than 12,000 members across Canada. It serves as the only globally recognized Canadian director organization. Created in 1997, the ICD Fellowship Awards are the highest distinction for corporate directors. Nominated by their peers and selected by an independent committee that evaluates a wide range of criteria, ICD Fellows are individuals who have made outstanding contributions to Canadian enterprises and not-for-profit organizations through sound corporate governance leadership inside and outside of the boardroom. Across the country, 81 Canadian corporate directors have previously received this award.

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 "MDA."

About The Institute of Corporate Directors (ICD)

The Institute of Corporate Directors (ICD) is the definitive 'go-to' resource and voice for Canada's directors and boards in for-profit, not-for-profit, and Crown sectors. It is a national not-for-profit, member-based association representing the interests of directors, and fosters the sharing of knowledge and wisdom through education, professional development programs and services, thought leadership, and advocacy to achieve the highest standard of directorship. For more information, please visit: www.icd.ca.

Related Websites

www.mdacorporation.com
www.icd.ca

Forward-Looking Statements

This release may contain forward-looking statements and information, which reflect the current view of MacDonald, Dettwiler and Associates Ltd. and its subsidiaries (collectively “MDA” or the “Company”) with respect to future events. Any such forward-looking statements are subject to a number of risks and uncertainties that could cause actual results to differ materially from current expectations. MDA cautions readers that should certain risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary significantly from those expected.

For additional information with respect to certain of these risks or factors, plus additional risks or factors, reference should be made to the Company's continuous disclosure materials filed from time to time with Canadian securities regulatory authorities, which are available online under the Company's profile at www.sedar.com or on the Company's website at www.mdacorporation.com.

The Toronto Stock Exchange has neither approved nor disapproved the form or content of this release.