X0306 4 2019-02-27 0 0001645113 NovoCure Ltd NVCR 0001693530 Longsworth Todd Christopher C/O NOVOCURE INC. 20 VALLEY STREAM PARKWAY, SUITE 300 MALVERN PA 19355 0 1 0 0 General Counsel Ordinary Shares 2019-02-27 4 M 0 5556 52.90 A 39203 D Ordinary Shares 2019-02-28 4 S 0 2368 53.68 D 36835 D Restricted Stock Units 0.00 2019-02-27 4 M 0 5556 0.00 D 2019-02-27 Ordinary Shares 5556 11111 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/ Todd Longsworth 2019-03-01