X0306 4 2020-03-12 0 0001401708 NanoString Technologies Inc NSTG 0001592508 GHESQUIERE DAVID W. 530 FAIRVIEW AVENUE N SEATTLE WA 98109 0 1 0 0 SVP, Corporate & Business Dev Restricted Stock Units 2020-03-12 4 A 0 7483 0 A Common Stock 7483.0 7483 D Each restricted stock unit ("RSU") represents a contingent right to receive one (1) share of Issuer's common stock. 1/3 of the RSUs vest on the first market trading day following the first anniversary of March 5, 2020 (the "RSU Vesting Commencement Date"), and 1/3 of the RSUs vest annually each year on the first market trading day on or after the second and third anniversary of the RSU Vesting Commencement Date, in each case, subject to Participant's continuing to be a Service Provider (as defined in the 2013 Equity Incentive Plan) through each such date. /s/ Shannon Atchison, Attorney-in-fact 2020-03-12