Sec Form 4 Filing - ESTES HOWELL M @ DIGITALGLOBE, INC. - 2017-10-05

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person ESTES HOWELL M 2. Issuer Name and Ticker or Trading Symbol DIGITALGLOBE, INC. [ DGI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1300 W. 120TH AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 10/05/2017 (Street) WESTMINSTER, CO80234 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/05/2017 D 64,266 D 0 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Employee Stock Option (right to buy) $ 27.4 10/05/2017 D 6,000 ( 3 ) 03/19/2018 Common Stock 6,000 ( 4 ) 0 D Employee Stock Option (right to buy) $ 21.3 10/05/2017 D 23,484 ( 5 ) 02/23/2019 Common Stock 23,484 ( 4 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ESTES HOWELL M 1300 W. 120TH AVENUE WESTMINSTER, CO80234 X Signatures /s/ Amy Flakne, attorney-in-fact for Howell M. Estes III 10/10/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )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. ( 2 )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. ( 3 )The Reporting Person was granted an option to purchase up to 6,000 shares of Issuer common stock on March 19, 2008. The option was fully vested at time of Effective Time. ( 4 )Disposed of pursuant to the Merger Agreement, pursuant to which all outstanding options fully vested and converted into the right to receive cash in an amount equal to the product of $17.50 and the number of shares subject to the option less the Total Cash Exercise Price (as defined in the Merger Agreement) and a number of MDA shares equal to (a) the positive difference, if any, between (i) the product of 0.3132, the Parent Closing Stock Value (as defined in the Merger Agreement) and the number of Issuer shares subject to the option less (ii) the aggregate exercise price of the option reduced by the Total Cash Exercise Price, divided by (b) the Parent Closing Stock Value. ( 5 )The Reporting Person was granted an option to purchase up to 23,484 shares of Issuer common stock on February 23, 2009. The option was fully vested at the Effective Date.

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