X0306 4 2020-12-01 0000203527 VARIAN MEDICAL SYSTEMS INC VAR 0001753950 Toth Christopher A. C/O VARIAN MEDICAL SYSTEMS, INC. 3100 HANSEN WAY M/S E327 PALO ALTO CA 94304 1 SVP and Pres. Oncology Systems Common Stock 2020-12-01 4 M 0 4823 80.40 A 7694 D Common Stock 2020-12-01 4 F 0 3514 174.19 D 4180 D Common Stock 2020-12-01 4 M 0 8794 112.82 A 12974 D Common Stock 2020-12-01 4 F 0 7232 174.19 D 5742 D Common Stock 2020-12-01 4 M 0 8573 131.77 A 14315 D Common Stock 2020-12-01 4 F 0 7521 174.19 D 6794 D Common Stock 2020-12-01 4 M 0 13450 146.91 A 20244 D Common Stock 2020-12-01 4 F 0 12388 174.19 D 7856 D Common Stock 2020-12-01 4 M 0 11594 0 A 19450 D Common Stock 2020-12-01 4 F 0 5748 174.19 D 13702 D Non Qualified Stock Option (Right to Buy) 80.40 2020-12-01 4 M 0 4823 0 D 2024-02-10 Common Stock 4823 0 D Non Qualified Stock Option (Right to Buy) 112.82 2020-12-01 4 M 0 8794 0 D 2025-02-08 Common Stock 8794 0 D Non Qualified Stock Option (Right to Buy) 131.77 2020-12-01 4 M 0 8573 0 D 2026-02-14 Common Stock 8573 0 D Non Qualified Stock Option (Right to Buy) 146.91 2020-12-01 4 M 0 13450 0 D 2027-02-13 Common Stock 13450 0 D Restricted Stock Units 2020-12-01 4 M 0 11594 0 D Common Stock 11594 4825 D Represents shares withheld for payment of exercise price of $80.40 per share as well as payment of federal, state and payroll taxes due on settlement Represents shares withheld for payment of exercise price of $112.82 per share as well as payment of federal, state and payroll taxes due on settlement. Represents shares withheld for payment of exercise price of $131.77 per share as well as payment of federal, state and payroll taxes due on settlement Represents shares withheld for payment of exercise price of $146.91 per share as well as payment of federal, state and payroll taxes due on settlement Represents shares withheld from vested RSUs for the payment of federal, state and payroll taxes due on settlement. Stock option granted under the Varian Medical Systems, Inc. Fourth Amended and Restated 2005 Omnibus Stock Plan which complies with Rule 16b-3. The option vests as follows: one third on 2/10/2018, and the remaining shares in 24 equal installments over the 24 months following the first vesting date. Per agreement executed on 24 November 2020, vesting on all outstanding stock option shares has been accelerated. Stock option granted under the Varian Medical Systems, Inc. Fifth Amended and Restated 2005 Omnibus Stock Plan which complies with Rule 16b-3. The option originally vested as follows: one third on February 8, 2019, and the remaining shares in 24 equal installments over the 24 months following the first vesting date. Per agreement executed on 24 November 2020, vesting on all outstanding stock option shares has been accelerated. Stock option granted under the Varian Medical Systems, Inc. Fifth Amended and Restated 2005 Omnibus Stock Plan which complies with Rule 16b-3. The options originally vested as follows: one third on February 14, 2020, and the remaining shares in 24 equal installments over the 24 months following the first vesting date. Per agreement executed on 24 November 2020, vesting on all outstanding stock option shares has been accelerated. Stock option granted under the Varian Medical Systems, Inc. Fifth Amended and Restated 2005 Omnibus Stock Plan which complies with Rule 16b-3. The options originally vested as follows: one third on February 13, 2021, and the remaining shares in 24 equal installments over the 24 months following the first vesting date. Each restricted stock unit represents a contingent right to receive one share of VAR common stock. Per agreement executed on 24 November 2020, vesting on all outstanding restricted stock unit shares has been accelerated. The restricted stock units vest originally vested in three equal installments on August 10, 2021, August 10, 2022, and August 10, 2023. /s/ Michael B. Dunn , attorney-in-fact for Christopher A. Toth 2020-12-01