--  Leverages senior talent from both companies
    --  Experienced management team with decades of experience
    --  Positions enterprise for growth across broad set of space markets
    --  Combined company renamed Maxar Technologies

SAN FRANCISCO and VANCOUVER, Oct. 5, 2017 /PRNewswire/ - MacDonald, Dettwiler and Associates Ltd. ("MDA" or the "Company") (TSX: MDA and NYSE: MDA), a leading global provider of advanced space technology solutions for commercial and government markets, today announced senior executive appointments following the completion of MDA's acquisition of DigitalGlobe, Inc. ("DigitalGlobe"). The appointments strengthen and position the Company to serve the U.S. government, international governments and the Company's commercial customers as a mission-critical partner with an expanded portfolio of space technology solutions.

"This is a very strong group of talented senior executives," said Howard L. Lance, president and chief executive officer of MDA. "With the new appointments we are announcing today, in addition to our existing team, I am more confident than ever in our ability to anticipate and serve the changing needs of our customers and grow our business in the U. S., Canada and around the world."

Effective immediately, the following individuals, who held leadership positions at either MDA or DigitalGlobe, will now serve as members of the senior leadership team of Maxar Technologies:




    --  William McCombe is appointed executive vice president and chief
        financial officer of MDA. Mr. McCombe has served as senior vice
        president and chief financial officer of SSL MDA Holdings, Inc. since
        2016. He joined MDA in 2014 following a successful career in corporate
        finance, mergers and acquisitions at Bank of America Merrill Lynch and
        Morgan Stanley.


    --  Anil Wirasekara, previously executive vice president and chief financial
        officer of the Company, will continue with the Company and serve as the
        senior financial executive based in Canada, reporting to Mr. Lance, with
        a significant portfolio of responsibilities.


    --  Timothy M. Hascall is appointed executive vice president and chief
        operations officer. Mr. Hascall previously served as executive vice
        president responsible for the Imagery business unit at DigitalGlobe,
        including operations and customer experience. Previously, he held
        leadership positions with TriZetto, an integrated health management
        enterprise software and services company, Equitant, a global finance and
        accounting business process outsourcing company and Accenture, a global
        management and business consulting, technology and outsourcing firm. Mr.
        Hascall began his career as an officer in the U.S. Marine Corps.


    --  Dr. Walter S. Scott is appointed executive vice president and chief
        technology officer. Dr. Scott is the founder of DigitalGlobe and
        previously served as chief technology officer and executive leader of
        the Platform and Services businesses for the company. He founded
        DigitalGlobe in 1992 as WorldView Imaging Corporation, the first company
        to receive a high-resolution commercial remote sensing license from the
        U.S. Government.


    --  Daniel Jablonsky is appointed president of DigitalGlobe. Mr. Jablonsky
        previously served as general manager of the U.S. and International
        Defense and Intelligence businesses at DigitalGlobe. He concurrently
        served as senior vice president and general counsel of the company. He
        joined DigitalGlobe in 2012 following a successful career with two
        leading corporate law firms focused on mergers and acquisitions,
        international joint ventures and securities and corporate finance
        matters. Mr. Jablonsky began his career as a surface warfare officer in
        the U.S. Navy.


    --  Tony Frazier is appointed president of Radiant Solutions, the newly
        created business unit formed from the combination of MDA Information
        Systems and DigitalGlobe l Radiant. Mr. Frazier was previously senior
        vice president and general manager of DigitalGlobe | Radiant. He led the
        acquisition of the Radiant Group by DigitalGlobe in November 2016. Mr.
        Frazier previously led a variety of product and marketing teams at
        GeoEye, Cisco Systems, Infor Global Solutions, IBM and was a consultant
        at Bain & Company.


    --  Bruce Stephenson is appointed senior vice president and chief strategy
        and corporate development officer. Mr. Stephenson previously served as
        senior vice president and chief strategy and corporate development
        officer of SSL MDA Holdings, Inc. since 2016. Previously, he was a
        partner at Bain & Company. Earlier in his career, he served as an
        officer in the U.S. Air Force and Air Force Reserve with a focus on
        strategic space policy and operations.


    --  Stephanie Georges is appointed senior vice president and chief marketing
        officer. Ms. Georges previously served as senior vice president at
        DigitalGlobe responsible for corporate strategy, communications and
        marketing. In her new role, Ms. Georges will be responsible for leading
        corporate marketing and communications and the Company's recently
        announced plan to rebrand as Maxar Technologies. She joined DigitalGlobe
        in 2015, having served in senior leadership roles at both CenturyLink
        and Qwest Communications. Previously, Ms. Georges served as an analyst
        at Morgan Stanley and Salomon Brothers.


    --  Marcy Steinke is appointed senior vice president of government relations
        and public policy. Ms. Steinke previously served as senior vice
        president of government relations and public policy for DigitalGlobe.
        Previously, she served as a pilot in the U.S. Air Force, director of
        congressional legislative affairs for the chairman of the joint chiefs
        of staff at the Pentagon and as director of the operations directorate
        at the White House.


    --  Jeff Robertson is appointed senior vice president and chief Information
        officer with responsibilities for deployment and development of
        information technology and cybersecurity. Mr. Robertson previously
        served as senior vice president and chief information officer for
        DigitalGlobe. Previously, he served as chief information officer at ADT
        Security Services. Mr. Robertson's prior experience also includes
        leadership roles at CNA Financial Services, IBM and Accenture.


    --  Michelle Kley is appointed senior vice president, general counsel and
        corporate secretary for the Company. Ms. Kley has served as senior vice
        president and chief legal and compliance officer and secretary of SSL
        MDA Holdings, Inc. since 2016. Previously, she was vice president of
        legal for MDA's SSL business unit. Prior to joining SSL, she served at
        several corporate law firms in San Francisco focused on mergers and
        acquisitions.
    --  Andrea Bortner is appointed senior vice president and chief human
        resources officer. Ms. Bortner previously served as senior vice
        president and chief human resource officer of SSL MDA Holdings, Inc.
        Previously, she held leadership positions at Catalina Marketing, Harris
        Corporation, The Gap and PepsiCo.

Forward-Looking Statements

This release contains forward-looking statements and information, which reflect the current view of MDA with respect to future events, performance and operational capabilities. The forward-looking statements in this regard include statements as to management's expectations with respect to future growth and operational capabilities of the Company and other statements that are not historical facts.

Although management of the Company believes that the expectations and assumptions on which such forward-looking statements are based are reasonable, undue reliance should not be placed on the forward-looking statements because the Company can give no assurance that they will prove to be correct. Any such forward-looking statements are subject to various risks and uncertainties which could cause actual results and experience to differ materially from the anticipated results or expectations expressed in this press release. Additional information concerning these risk factors can be found in the Company's filings with Canadian securities regulatory authorities, which are available online under the Company's profile at www.sedar.com, the Company's filings with the United States Securities and Exchange Commission, or on the Company's website at www.mdacorporation.com, and in DigitalGlobe's filings with the SEC, including Item 1A of DigitalGlobe's Annual Report on Form 10-K for the year ended December 31, 2016.

The forward-looking statements contained in this press release are expressly qualified in their entirety by the foregoing cautionary statements and are based upon data available as of the date of this release and speak only as of such date. The Company disclaims any intention or obligation to update or revise any forward-looking statements in this press release as a result of new information or future events, except as may be required under applicable securities legislation.

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, INC.

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

ABOUT DIGITALGLOBE

DigitalGlobe is a leading global provider of high-resolution Earth-imagery products and services sourced from our own advanced satellite constellation and third-party providers. Our imagery solutions support a wide variety of users in defense and intelligence, civil agencies, mapping and analysis, environmental monitoring, oil and gas exploration, infrastructure management, Internet portals, and navigation technology. Each day users depend on us to better understand our changing planet in order to save lives, resources and time.

CONTACTS

Investor relations: Marissa Poratto, MDA, (604) 331-2044, mporatto@mdalimited.ca
Media relations (Canada): Wendy Keyzer, MDA, (604) 231-2743, wendy@mdacorporation.com
Media relations (United States): Sheila Ennis, Abernathy MacGregor, (415) 926-7961, sbe@abmac.com

SOURCE MacDonald, Dettwiler and Associates Ltd.