X0206 3 2019-01-01 0 0001121142 Maxar Technologies Inc. MAXR 0001217839 PORTER BIGGS C 1300 W. 120TH AVENUE WESTMINSTER CO 80234 0 1 0 0 EVP, CFO Common Stock 48954 D Common Stock 99 I By Trust 2018 LTIP - Omnibus Plan 37.94 Common Stock 10307 D Amount reported includes 33,953 unvested restricted stock units. The Reporting Person is the Co-Trustee of the Biggs Cunningham Porter Trust. LTIP Units awarded under the Omnibus Equity Incentive Plan ("Omnibus Plan") vest in four equal annual installments beginning on the first anniversary of the date of grant. The maturity date of LTIP awards under the Omnibus Plan is midnight on the tenth anniversary of the date of grant. /s/ Patricia A. Lamm, attorney-in-fact for Biggs C. Porter 2019-01-10