X0306 4 2017-03-14 0 0001645113 Novocure Ltd NVCR 0001654361 Perlhagen Gert L. C/O NOVOCURE INC. 20 VALLEY STREAM PKWY, SUITE 300 MALVERN PA 19355 1 0 0 0 Ordinary Shares 2017-03-14 4 P 0 125000 6.93 A 6125000 D On March 14, 2017, Mr. Perlhagen purchased 125,000 shares in multiple trades at prices ranging from $6.825 to $7.05. The price reported above reflects the weighted average purchase price. Mr. Perlhagen 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. /s/ Todd Longsworth Attorney in fact for Gert Lennart Perlhagen 2017-03-16