X0306 4 2019-02-27 0 0001645113 NovoCure Ltd NVCR 0001654363 Ambrogi Michael J. C/O NOVOCURE INC. 20 VALLEY STREAM PARKWAY, SUITE 300 MALVERN PA 19355 0 1 0 0 Chief Operating Officer Ordinary Shares 2019-02-27 4 M 0 6174 52.90 A 171702 D Ordinary Shares 2019-02-28 4 S 0 2397 53.68 D 169305 D Restricted Stock Units 0.00 2019-02-27 4 M 0 6174 0.00 D 2019-02-27 Ordinary Shares 6174 12345 D Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the Restricted Stock Units listed in Table II. This sale is mandated by the Issuer's award agreement under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person. Fully vested as of the date hereof. /s/ Kimberly Burke, Attorney in fact for Michael J. Ambrogi 2019-03-01