Completion of CFIUS Review Process and NYSE Listing Approval Paves the Way for MDA and DigitalGlobe Merger to Close

Sept. 28, 2017

MacDonald, Dettwiler and Associates Ltd. and DigitalGlobe, Inc. announced that the Committee on Foreign Investment in the United States has informed MDA and DigitalGlobe that its review of the Company's proposed acquisition of DigitalGlobe is complete, and there are no unresolved national security issues with respect to the transaction. The transaction is expected to close late next week, subject to satisfaction of the remaining conditions to closing.

In addition, the Company has received authorization from the New York Stock Exchange (the "NYSE") to list the MDA common shares, including those issuable to DigitalGlobe shareowners in connection with the transaction on the NYSE.  The Company expects that the MDA common shares issuable in connection with the transaction will begin trading on the Toronto Stock Exchange and the NYSE under the ticker symbol "MDA" on the closing date of the transaction.