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 24 123.79 D 34761 D Common Stock 2021-04-30 4 S 0 4 123.51 D 34757 D Common Stock 2021-04-30 4 S 0 2 123.38 D 34755 D Common Stock 2021-04-30 4 S 0 4 123.20 D 34751 D Common Stock 2021-04-30 4 S 0 5 123.12 D 34746 D Common Stock 2021-04-30 4 S 0 1 123.04 D 34745 D Common Stock 2021-04-30 4 S 0 13 122.99 D 34732 D Common Stock 2021-04-30 4 S 0 15 122.98 D 34717 D Common Stock 2021-04-30 4 S 0 2 122.91 D 34715 D Common Stock 2021-04-30 4 S 0 2 122.90 D 34713 D Common Stock 2021-04-30 4 S 0 4 122.85 D 34709 D Common Stock 2021-04-30 4 S 0 2 122.82 D 34707 D Common Stock 2021-04-30 4 S 0 15 122.77 D 34692 D Common Stock 2021-04-30 4 S 0 3 122.68 D 34689 D Common Stock 2021-04-30 4 S 0 9 122.67 D 34680 D Common Stock 2021-04-30 4 S 0 48 122.60 D 34632 D Common Stock 2021-04-30 4 S 0 36 122.59 D 34596 D Common Stock 2021-04-30 4 S 0 7 122.58 D 34589 D Common Stock 2021-04-30 4 S 0 16 122.57 D 34573 D Common Stock 2021-04-30 4 S 0 14 122.56 D 34559 D Common Stock 2021-04-30 4 S 0 13 122.49 D 34546 D Common Stock 2021-04-30 4 S 0 15 122.48 D 34531 D Common Stock 2021-04-30 4 S 0 13 122.47 D 34518 D Common Stock 2021-04-30 4 S 0 6 122.46 D 34512 D Common Stock 2021-04-30 4 S 0 19 122.41 D 34493 D Common Stock 2021-04-30 4 S 0 20 122.39 D 34473 D Common Stock 2021-04-30 4 S 0 5 122.37 D 34468 D Common Stock 2021-04-30 4 S 0 17 122.34 D 34451 D Common Stock 2021-04-30 4 S 0 23 122.26 D 34428 D Common Stock 2021-04-30 4 S 0 6 122.25 D 34422 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