X0306 4 2020-12-03 0 0001466301 Clovis Oncology, Inc. CLVS 0001834833 Harding Thomas C. C/O CLOVIS ONCOLOGY, INC. 5500 FLATIRON PARKWAY, SUITE 100 BOULDER CO 80301 0 1 0 0 See Remarks Common Stock 2020-12-03 4 M 0 258 A 3468 D Common Stock 2020-12-03 4 S 0 90 4.89 D 3378 D Common Stock 2020-12-03 4 M 0 281 A 3659 D Common Stock 2020-12-03 4 S 0 98 4.89 D 3561 D Restricted Stock Units 2020-12-03 4 M 0 258 0.00 D Common Stock 258 258 D Restricted Stock Units 2020-12-03 4 M 0 281 0.00 D Common Stock 281 1407 D Each Restricted Stock Unit represents the right to receive one share of Common Stock. Represents the shares automatically sold by the reporting person pursuant to an election to satisfy tax withholding obligations in connection with the vesting of the Restricted Stock Units listed in Table II. This sale does not represent a discretionary trade by the reporting person. On March 1, 2017, the reporting person was granted 4,125 Restricted Stock Units. 25% of such Restricted Stock Units vested on March 1, 2018, and the remainder vests in substantially equal installments over the 12 quarters immediately following such date. On March 1, 2018, the reporting person was granted 4,500 Restricted Stock Units. 25% of such Restricted Stock Units vested on March 1, 2019, and the remainder vests in substantially equal installments over the 12 quarters immediately following such date. Senior Vice President and Chief Scientific Officer /s/ Thomas C. Harding 2020-12-07