X0306 4 2021-04-30 0001177394 SYNNEX CORP SNX 0001270709 LEUNG SIMON 44201 NOBEL DRIVE FREMONT CA 94538 1 SVP, GC & Corporate Secretary Common Stock 2021-04-30 4 S 0 15 122.22 D 34407 D Common Stock 2021-04-30 4 S 0 7 122.21 D 34400 D Common Stock 2021-04-30 4 S 0 11 122.20 D 34389 D Common Stock 2021-04-30 4 S 0 5 122.18 D 34384 D Common Stock 2021-04-30 4 S 0 8 122.17 D 34376 D Common Stock 2021-04-30 4 S 0 8 122.16 D 34368 D Common Stock 2021-04-30 4 S 0 12 122.15 D 34356 D Common Stock 2021-04-30 4 S 0 27 122.14 D 34329 D Common Stock 2021-04-30 4 S 0 11 122.13 D 34318 D Common Stock 2021-04-30 4 S 0 12 122.12 D 34306 D Common Stock 2021-04-30 4 S 0 12 122.11 D 34294 D Common Stock 2021-04-30 4 S 0 9 122.10 D 34285 D Common Stock 2021-04-30 4 S 0 4 121.97 D 34281 D Common Stock 2021-04-30 4 S 0 10 121.94 D 34271 D Common Stock 2021-04-30 4 S 0 11 121.93 D 34260 D Common Stock 2021-04-30 4 S 0 7 121.91 D 34253 D Common Stock 2021-04-30 4 S 0 13 121.90 D 34240 D Common Stock 2021-04-30 4 S 0 3 121.89 D 34237 D Common Stock 2021-04-30 4 S 0 4 121.88 D 34233 D Common Stock 2021-04-30 4 S 0 2 121.87 D 34231 D Common Stock 2021-04-30 4 S 0 19 121.80 D 34212 D Common Stock 2021-04-30 4 S 0 2 121.79 D 34210 D Common Stock 2021-04-30 4 S 0 7 121.76 D 34203 D Common Stock 2021-04-30 4 S 0 2 121.74 D 34201 D Common Stock 2021-04-30 4 S 0 23 121.73 D 34178 D Common Stock 2021-04-30 4 S 0 3 121.72 D 34175 D Common Stock 2021-04-30 4 S 0 3 121.71 D 34172 D Common Stock 2021-04-30 4 S 0 7 121.70 D 34165 D Common Stock 2021-04-30 4 S 0 1 121.69 D 34164 D Common Stock 2021-04-30 4 S 0 13 121.68 D 34151 D The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 28, 2020. /s/ Simon Y. Leung 2021-05-04