X0306 4 2018-02-08 0000203527 VARIAN MEDICAL SYSTEMS INC VAR 0001330270 KUO JOHN W C/O VARIAN MEDICAL SYSTEMS, INC. 3100 HANSEN WAY M/S E-327 PALO ALTO CA 94304 1 SVP, Gen Counsel and Secretary Non Qualified Stock Option (Right to Buy) 112.82 2018-02-08 4 A 0 12570 0 A 2025-02-08 Common Stock 12570 12570 D Restricted Stock Units 2018-02-08 4 A 0 2393 0 A Common Stock 2393 9646 D 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 vests 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. Each restricted stock unit represents a contingent right to receive one share of VAR common stock. The restricted stock units vest in three equal installments on February 15, 2019, February 15, 2020, and February 15, 2021. Vested shares will be delivered to the reporting person on vest date. /s/ Franco N. Palomba, Attorney in Fact for John W. Kuo 2018-02-12