X0306 4 2017-08-01 0001177394 SYNNEX CORP SNX 0001270710 POLK DENNIS 44201 NOBEL DRIVE FREMONT CA 94538 1 1 Chief Operating Officer Common Stock 2017-08-01 4 S 0 1500 118.994 D 28468 D Common Stock 2017-08-01 4 M 0 500 26.98 A 28968 D Common Stock 2017-08-01 4 S 0 146 120.39 D 28822 D Common Stock 2017-08-01 4 S 0 73 120.35 D 28749 D Common Stock 2017-08-01 4 S 0 73 120.31 D 28676 D Common Stock 2017-08-01 4 S 0 73 120.15 D 28603 D Common Stock 2017-08-01 4 S 0 73 120.14 D 28530 D Common Stock 2017-08-01 4 S 0 73 120.04 D 28457 D Common Stock 2017-08-01 4 S 0 73 119.98 D 28384 D Common Stock 2017-08-01 4 S 0 73 119.95 D 28311 D Common Stock 2017-08-01 4 S 0 146 119.93 D 28165 D Common Stock 2017-08-01 4 S 0 73 119.90 D 28092 D Common Stock 2017-08-01 4 S 0 85 119.87 D 28007 D Common Stock 2017-08-01 4 S 0 73 119.84 D 27934 D Common Stock 2017-08-01 4 S 0 62 119.80 D 27872 D Common Stock 2017-08-01 4 S 0 73 119.79 D 27799 D Common Stock 2017-08-01 4 S 0 73 119.78 D 27726 D Common Stock 2017-08-01 4 S 0 73 119.77 D 27653 D Common Stock 2017-08-01 4 S 0 73 119.73 D 27580 D Common Stock 2017-08-01 4 S 0 73 119.70 D 27507 D Common Stock 2017-08-01 4 S 0 73 119.66 D 27434 D Common Stock 2017-08-01 4 S 0 72 119.62 D 27362 D Common Stock 2017-08-01 4 S 0 77 119.55 D 27285 D Common Stock 2017-08-01 4 S 0 74 119.34 D 27211 D Common Stock 2017-08-01 4 S 0 73 119.20 D 27138 D Common Stock 2017-08-01 4 S 0 10 119.12 D 27128 D Common Stock 2017-08-01 4 S 0 73 119.00 D 27055 D Common Stock 2017-08-01 4 S 0 3 118.98 D 27052 D Stock Option (Right to Buy) 26.98 2017-08-01 4 M 0 500 0 D 2021-10-05 Common Stock 500 639 D These sales were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 31, 2016. Represents the weighted average sales price for a number of transactions effected at prices ranging from $118.8561 to $119.70. The reporting person has provided to the issuer, and undertakes to provide upon request to the SEC staff, or any security holder of the issuer, information regarding the number of shares sold at each separate price within the range. 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 639 shares and is fully vested. /s/ Simon Y. Leung, Attorney-in-Fact 2017-08-03