X0306 4 2017-10-05 1 0001208208 DIGITALGLOBE, INC. DGI 0001193846 JENSON WARREN 1300 W. 120TH AVENUE WESTMINSTER CO 80234 1 0 0 0 Common Stock 2017-10-05 4 D 0 39542 D 0 D Common Stock 2017-10-05 4 D 0 6200 D 0 I By Trust Pursuant to the terms of the Agreement and Plan of Merger dated as of February 24, 2017 ("Merger Agreement"), by and among the Issuer, MacDonald, Dettwiler and Associates Ltd., ("MDA"), SSL MDA Holdings, Inc., and Merlin Merger Sub, Inc., at the Effective Time (as defined in the Merger Agreement), each share of Issuer common stock, automatically and without any required action by the Reporting Person, was converted into the right to receive: (i) $17.50 in cash, without interest and less any required withholding taxes, and (ii) 0.3132 of an MDA common share, rounded down to the nearest share. Includes shares underlying time-based vesting restricted stock units ("RSUs"). Pursuant to the terms of the Merger Agreement, the RSUs were assumed by MDA at the Effective Time and represented the right to receive $17.50 in cash and 0.3132 shares of MDA common stock for each share of Issuer common stock subject to such RSUs. The shares underlying such RSUs continued to vest and be subject to the original terms and conditions as were applicable before the Effective Time, except that the cash component was deemed fully vested at the Effective Time. The shares are held in equal amounts in four separate trusts for the benefit of four of the Reporting Person's children. The Reporting Person's spouse is the sole trustee of each of the four trusts. The Reporting Person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the Reporting Person is the beneficial owners of these securities for the purposes of Section 16 or any other purpose. /s/ Amy Flakne, attorney-in-fact for Warren Jenson 2017-10-10