X0306 4 2021-04-15 1 0000203527 VARIAN MEDICAL SYSTEMS INC VAR 0001695593 MOMSEN MAGNUS C/O VARIAN MEDICAL SYSTEMS, INC. 3100 HANSEN WAY, MS E327 PALO ALTO CA 94304 1 SVP, CAO, Corporate Controller Common Stock 2021-04-15 4 D 0 724 D 0 D Non Qualified Stock Option (Right to Buy) 64.68 2021-04-15 4 D 0 5819 112.82 D 2025-02-08 Common Stock 5819 0 D Non Qualified Stock Option (Right to Buy) 45.73 2021-04-15 4 D 0 3429 131.77 D 2026-02-14 Common Stock 3429 0 D Non Qualified Stock Option (Right to Buy) 30.59 2021-04-15 4 D 0 3923 146.91 D 2027-02-13 Common Stock 3923 0 D Restricted Stock Units 2021-04-15 4 D 0 253 D Common Stock 253 0 D Restricted Stock Units 2021-04-15 4 D 0 530 D Common Stock 530 0 D Performance Shares 2021-04-15 4 D 0 855 D Common Stock 855 0 D Performance Shares 2021-04-15 4 D 0 820 D Common Stock 820 0 D Restricted Stock Units 2021-04-15 4 D 0 2017 D Common Stock 2017 0 D Amount of securities beneficially owned at end of reporting period reflect 105 shares purchased on April 8, 2021 under the Varian Medical Systems, Inc. Employee Stock Purchase Plan and a reduction of 2 shares as a result of a tax correction for the February 16, 2021 RSU vesting. 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. Pursuant to the Merger Agreement, this option, which provided for vesting of one third on 2/8/2019, and the remaining shares in 24 equal installments over the 24 months following, 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. Pursuant to the Merger Agreement, this option, which provided for vesting of one third on 2/14/2020, and the remaining shares in 24 equal installments over the 24 months following, were canceled in exchange for a cash award representing the difference between $177.50 and the exercise price of the option of the underlying common stock. Pursuant to the Merger Agreement, this option, which provided for vesting of one third on 2/13/2021, and the remaining shares in 24 equal installments over the 24 months following, 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. 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 February 14, 2020, were cancelled in exchange for a cash payment of $177.50 per unvested share of underlying common stock. Pursuant to the Merger Agreement, these restricted stock units, which provided for vesting in three equal annual installments beginning February 15, 2021, were cancelled in exchange for a cash payment of $177.50 per unvested share of underlying 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 15, 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, these performance stock units, which were granted November 21, 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. 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 2021-04-15