X0306 4 2017-09-01 0001177394 SYNNEX CORP SNX 0001270710 POLK DENNIS 44201 NOBEL DRIVE FREMONT CA 94538 1 1 Chief Operating Officer Common Stock 2017-09-01 4 M 0 500 26.98 A 25468 D Common Stock 2017-09-01 4 S 0 100 115.02 D 25368 D Common Stock 2017-09-01 4 S 0 100 114.91 D 25268 D Common Stock 2017-09-01 4 S 0 100 114.885 D 25168 D Common Stock 2017-09-01 4 S 0 100 114.88 D 25068 D Common Stock 2017-09-01 4 S 0 100 114.76 D 24968 D Common Stock 2017-09-01 4 S 0 100 114.72 D 24868 D Common Stock 2017-09-01 4 S 0 100 114.69 D 24768 D Common Stock 2017-09-01 4 S 0 33 114.65 D 24735 D Common Stock 2017-09-01 4 S 0 100 114.61 D 24635 D Common Stock 2017-09-01 4 S 0 100 114.56 D 24535 D Common Stock 2017-09-01 4 S 0 102 114.53 D 24433 D Common Stock 2017-09-01 4 S 0 100 114.52 D 24333 D Common Stock 2017-09-01 4 S 0 100 114.45 D 24233 D Common Stock 2017-09-01 4 S 0 100 114.41 D 24133 D Common Stock 2017-09-01 4 S 0 98 114.34 D 24035 D Common Stock 2017-09-01 4 S 0 98 114.30 D 23937 D Common Stock 2017-09-01 4 S 0 101 114.29 D 23836 D Common Stock 2017-09-01 4 S 0 100 114.145 D 23736 D Common Stock 2017-09-01 4 S 0 101 113.96 D 23635 D Common Stock 2017-09-01 4 S 0 100 113.79 D 23535 D Common Stock 2017-09-01 4 S 0 100 113.655 D 23435 D Common Stock 2017-09-01 4 S 0 100 113.62 D 23335 D Common Stock 2017-09-01 4 S 0 100 113.61 D 23235 D Common Stock 2017-09-01 4 S 0 67 113.57 D 23168 D Common Stock 2017-09-01 4 S 0 100 113.54 D 23068 D Common Stock 2017-09-01 4 S 0 100 113.44 D 22968 D Stock Option (Right to Buy) 26.98 2017-09-01 4 M 0 500 0 D 2021-10-05 Common Stock 500 139 D These sales were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 27, 2016. This stock option is immediately exercisable as to 139 shares and is fully vested. /s/ Simon Y. Leung, Attorney-in-Fact 2017-09-06