X0306 4 2021-06-01 0001177394 SYNNEX CORP SNX 0001270709 LEUNG SIMON 44201 NOBEL DRIVE FREMONT CA 94538 1 SVP, GC & Corporate Secretary Common Stock 2021-06-01 4 S 0 5 126.10 D 33780 D Common Stock 2021-06-01 4 S 0 2 126.11 D 33778 D Common Stock 2021-06-01 4 S 0 4 126.24 D 33774 D Common Stock 2021-06-01 4 S 0 17 126.26 D 33757 D Common Stock 2021-06-01 4 S 0 3 126.275 D 33754 D Common Stock 2021-06-01 4 S 0 2 126.30 D 33752 D Common Stock 2021-06-01 4 S 0 6 126.365 D 33746 D Common Stock 2021-06-01 4 S 0 1 126.375 D 33745 D Common Stock 2021-06-01 4 S 0 3 126.38 D 33742 D Common Stock 2021-06-01 4 S 0 2 126.42 D 33740 D Common Stock 2021-06-01 4 S 0 6 126.425 D 33734 D Common Stock 2021-06-01 4 S 0 8 126.43 D 33726 D Common Stock 2021-06-01 4 S 0 2 126.445 D 33724 D Common Stock 2021-06-01 4 S 0 2 126.45 D 33722 D Common Stock 2021-06-01 4 S 0 5 126.465 D 33717 D Common Stock 2021-06-01 4 S 0 6 126.47 D 33711 D Common Stock 2021-06-01 4 S 0 4 126.48 D 33707 D Common Stock 2021-06-01 4 S 0 14 126.51 D 33693 D Common Stock 2021-06-01 4 S 0 10 126.52 D 33683 D Common Stock 2021-06-01 4 S 0 1 126.54 D 33682 D Common Stock 2021-06-01 4 S 0 10 126.57 D 33672 D Common Stock 2021-06-01 4 S 0 1 126.575 D 33671 D Common Stock 2021-06-01 4 S 0 4 126.58 D 33667 D Common Stock 2021-06-01 4 S 0 11 126.585 D 33656 D Common Stock 2021-06-01 4 S 0 6 126.59 D 33650 D Common Stock 2021-06-01 4 S 0 1 126.595 D 33649 D Common Stock 2021-06-01 4 S 0 10 126.60 D 33639 D Common Stock 2021-06-01 4 S 0 6 126.605 D 33633 D Common Stock 2021-06-01 4 S 0 8 126.61 D 33625 D Common Stock 2021-06-01 4 S 0 1 126.615 D 33624 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 2021-06-03