X0306 4 2020-11-05 1 0000203527 VARIAN MEDICAL SYSTEMS INC VAR 0001313996 WILSON DOW R C/O VARIAN MEDICAL SYSTEMS, INC. 3100 HANSEN WAY, M/S E-327 PALO ALTO CA 94304 1 1 President and CEO Common Stock 2020-11-05 5 G 0 E 46700 0 D 35864 D Common Stock 2021-02-08 5 G 0 E 15460 0 D 42485 D Common Stock 2021-02-22 5 G 0 E 3398 0 D 39087 D Common Stock 2021-04-15 4 D 0 39231 D 0 D Performance Shares 2021-04-15 4 D 0 23577 D Common Stock 23577 0 D Performance Shares 2021-04-15 4 D 0 20763 D Common Stock 20763 0 D Performance Stock Option 58.74 2021-04-15 4 D 0 163361 118.76 D Common Stock 163361 0 D Performance Stock Option 45.92 2021-04-15 4 D 0 130095 131.58 D Common Stock 130095 0 D Restricted Stock Units 2021-04-15 4 D 0 21613 D Common Stock 21613 0 D Amount of securities beneficially owned at end of reporting period reflect 144 shares purchased on April 8, 2021 under the Varian Medical Systems, Inc. Employee Stock Purchase Plan. Disposed of pursuant to merger agreement (the "Merger Agreement") between issuer and Siemens Healthineers I GmbH and certain other parties in exchange for a cash payment of $177.50 per share of common stock. Each performance stock unit represents a contingent right to receive one share of VAR common stock. Pursuant to the Merger Agreement, these performance stock units, which were granted November 16, 2018, were cancelled in exchange for a cash payment of $177.50 per share of underlying common stock and applicable performance conditions were deemed to be achieved at the target performance level. Pursuant to the Merger Agreement, performance stock units, which were granted November 22, 2019, were cancelled in exchange for a cash payment of $177.50 per share of underlying common stock and applicable performance conditions were deemed to be achieved at the target performance level. Each performance stock option represents a contingent right to purchase one share of VAR common stock at the derivative security price. Pursuant to the Merger Agreement, these performance stock options, which were granted November 16, 2018, were cancelled in exchange for a cash payment representing the difference between $177.50 and the exercise price of each share of underlying common stock and applicable performance conditions were deemed to be achieved at the target performance level. Pursuant to the Merger Agreement, these performance stock options, which were granted November 22, 2019, were cancelled in exchange for a cash payment representing the difference between $177.50 and the exercise price of each share of underlying common stock and applicable performance conditions were deemed to be achieved at the target performance level. Each restricted stock unit represents a contingent right to receive one share of VAR common stock. Pursuant to the Merger Agreement, these restricted stock units, which provided for vesting in three equal annual installments beginning November 15, 2021, were cancelled in exchange for a cash award equal to $177.50 per unvested share of underlying common stock that will vest and pay out according to the same schedule. /s/ Magnus Momsen, attorney-in-fact 2021-04-15