X0306 4 2019-12-06 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 2019-12-06 4 S 0 419 138.7982 D 1830 D Common Stock 2019-12-06 4 S 0 145 139.378 D 1685 D This transaction is pursuant to the filer's SEC Rule10b5-1 Stock Plan The 419 shares were sold in multiple transactions executed on the same day at prices ranging from $138.53 to $138.99. The detailed breakdown of executed sales will be furnished upon request. The 145 shares were sold in multiple transactions executed on the same day at prices ranging from $139.02 to $139.95. The detailed breakdown of executed sales will be furnished upon request. /s/ Michael B. Dunn , attorney-in-fact for Christopher A. Toth 2019-12-10