X0306 4 2019-01-16 0 0001645113 NovoCure Ltd NVCR 0001654356 Kirson Eilon D. C/O NOVOCURE INC., VALLEY STREAM PARKWAY, SUITE 300 MALVERN PA 19355 0 1 0 0 Chief Science Officer Ordinary Shares 2019-01-16 4 M 0 100000 14.37 A 209063 D Ordinary Shares 2019-01-16 4 S 0 100000 45.11 D 109063 D Ordinary Shares 2019-01-17 4 M 0 68813 14.37 A 177876 D Ordinary Shares 2019-01-17 4 S 0 68813 45.25 D 109063 D Options to Buy Ordinary Shares 14.37 2019-01-16 4 M 0 100000 0.00 D 2025-02-23 Ordinary Shares 100000 135335 D Options to Buy Ordinary Shares 14.37 2019-01-17 4 M 0 68813 0.00 D 2025-02-23 Ordinary Shares 68813 66522 D Transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Mr. Kirson. On January 16, 2019, pursuant to a Rule 10b5-1 trading plan adopted by Mr. Kirson, Mr. Kirson sold 100,000 shares in multiple trades at prices ranging from $45.00 to $45.36. The price reported above reflects the weighted average sale price. Mr. Kirson hereby undertakes to provide to the Staff, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected. On January 17, 2019, pursuant to a Rule 10b5-1 trading plan adopted by Mr. Kirson, Mr. Kirson sold 68,813 shares in multiple trades at prices ranging from $45.00 to $45.66. The price reported above reflects the weighted average sale price. Mr. Kirson hereby undertakes to provide to the Staff, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected. Fully vested and currently exercisable as of the date hereof. By: /s/ Kimberly Burke, Attorney in fact for Eilon D. Kirson 2019-01-18