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 10 126.77 D 33413 D Common Stock 2021-06-01 4 S 0 2 126.775 D 33411 D Common Stock 2021-06-01 4 S 0 25 126.78 D 33386 D Common Stock 2021-06-01 4 S 0 33 126.79 D 33353 D Common Stock 2021-06-01 4 S 0 1 126.795 D 33352 D Common Stock 2021-06-01 4 S 0 16 126.80 D 33336 D Common Stock 2021-06-01 4 S 0 9 126.81 D 33327 D Common Stock 2021-06-01 4 S 0 1 126.815 D 33326 D Common Stock 2021-06-01 4 S 0 35 126.82 D 33291 D Common Stock 2021-06-01 4 S 0 7 126.83 D 33284 D Common Stock 2021-06-01 4 S 0 10 126.84 D 33274 D Common Stock 2021-06-01 4 S 0 1 126.845 D 33273 D Common Stock 2021-06-01 4 S 0 15 126.85 D 33258 D Common Stock 2021-06-01 4 S 0 16 126.86 D 33242 D Common Stock 2021-06-01 4 S 0 2 126.865 D 33240 D Common Stock 2021-06-01 4 S 0 8 126.87 D 33232 D Common Stock 2021-06-01 4 S 0 4 126.875 D 33228 D Common Stock 2021-06-01 4 S 0 4 126.88 D 33224 D Common Stock 2021-06-01 4 S 0 3 126.885 D 33221 D Common Stock 2021-06-01 4 S 0 1 126.89 D 33220 D Common Stock 2021-06-01 4 S 0 4 126.895 D 33216 D Common Stock 2021-06-01 4 S 0 8 126.905 D 33208 D Common Stock 2021-06-01 4 S 0 17 126.91 D 33191 D Common Stock 2021-06-01 4 S 0 18 126.92 D 33173 D Common Stock 2021-06-01 4 S 0 6 126.925 D 33167 D Common Stock 2021-06-01 4 S 0 3 126.93 D 33164 D Common Stock 2021-06-01 4 S 0 1 126.935 D 33163 D Common Stock 2021-06-01 4 S 0 12 126.94 D 33151 D Common Stock 2021-06-01 4 S 0 7 126.945 D 33144 D Common Stock 2021-06-01 4 S 0 10 126.95 D 33134 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