X0306 4 2016-11-18 0000203527 VARIAN MEDICAL SYSTEMS INC VAR 0001555927 VERHOEF CLARENCE R C/O VARIAN MEDICAL SYSTEMS, INC. 3100 HANSEN WAY, MAIL STOP E327 PALO ALTO CA 94304-1038 1 SVP, Finance, Corp Controller Common Stock 2016-11-18 4 A 0 686 0 A 4960 D Common Stock 2016-11-18 4 F 0 257 88.25 D 4703 D Represents shares issued upon settlement of performance-based unit award (PSUs) granted November 20, 2013. Represents shares withheld from vested PSUs for the payment of federal, state and payroll taxes due on settlement. Amount of securities beneficially owned at end of reporting period reflect 141 shares purchased on October 28, 2016 under the Varian Medical Systems, Inc. Employee Stock Purchase Plan. /s/ Franco N. Palomba, attorney-in-fact for Clarence R. Verhoef 2016-11-21