X0306 4 2017-02-10 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) 80.40 2017-02-10 4 A 0 16739 0 A 2024-02-10 Common Stock 16739 16739 D Restricted Stock Units 2017-02-10 4 A 0 3358 0 A Common Stock 3358 12106 D 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. 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, 2018, February 15, 2019, and February 15, 2020. Vested shares will be delivered to the reporting person on vest date. Includes restricted stock units that were adjusted pursuant to the Employee Matters Agreement between Varian Medical Systems, Inc. ("Varian") and Varex Imaging Corporation ("Varex") relating to the January 28, 2017 distribution by Varian to its stockholders of all of the outstanding shares of the common stock of Varex. Restricted stock units that were outstanding at the time of the distribution were adjusted by multiplying the number of shares subject thereto by 1.1303 and rounding to the nearest whole share. /s/ Franco N. Palomba, Attorney in Fact for John W. Kuo 2017-02-14