X0306 4/A 2021-03-31 2021-04-02 0 0001177394 SYNNEX CORP SNX 0001270709 LEUNG SIMON 44201 NOBEL DRIVE FREMONT CA 94538 0 1 0 0 SVP, GC & Corporate Secretary Common Stock 2021-03-31 4 S 0 5 115.15 D 35190 D Common Stock 2021-03-31 4 S 0 5 115.14 D 35185 D Common Stock 2021-03-31 4 S 0 3 115.12 D 35182 D Common Stock 2021-03-31 4 S 0 11 115.11 D 35171 D Common Stock 2021-03-31 4 S 0 12 115.10 D 35159 D Common Stock 2021-03-31 4 S 0 1 115.09 D 35158 D Common Stock 2021-03-31 4 S 0 8 115.08 D 35150 D Common Stock 2021-03-31 4 S 0 10 115.07 D 35140 D Common Stock 2021-03-31 4 S 0 13 115.06 D 35127 D Common Stock 2021-03-31 4 S 0 12 115.05 D 35115 D Common Stock 2021-03-31 4 S 0 3 115.04 D 35112 D Common Stock 2021-03-31 4 S 0 11 115.02 D 35101 D Common Stock 2021-03-31 4 S 0 9 115.01 D 35092 D Common Stock 2021-03-31 4 S 0 11 115.00 D 35081 D Common Stock 2021-03-31 4 S 0 4 114.99 D 35077 D Common Stock 2021-03-31 4 S 0 6 114.98 D 35071 D Common Stock 2021-03-31 4 S 0 12 114.97 D 35059 D Common Stock 2021-03-31 4 S 0 8 114.96 D 35051 D Common Stock 2021-03-31 4 S 0 4 114.95 D 35047 D Common Stock 2021-03-31 4 S 0 7 114.94 D 35040 D Common Stock 2021-03-31 4 S 0 13 114.93 D 35027 D Common Stock 2021-03-31 4 S 0 16 114.92 D 35011 D Common Stock 2021-03-31 4 S 0 18 114.91 D 34993 D Common Stock 2021-03-31 4 S 0 4 114.90 D 34989 D Common Stock 2021-03-31 4 S 0 8 114.89 D 34981 D Common Stock 2021-03-31 4 S 0 6 114.88 D 34975 D Common Stock 2021-03-31 4 S 0 4 114.87 D 34971 D Common Stock 2021-03-31 4 S 0 7 114.86 D 34964 D Common Stock 2021-03-31 4 S 0 12 114.85 D 34952 D Common Stock 2021-03-31 4 S 0 16 114.84 D 34936 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. This Form 4/A amends the Form 4 filed on April 2, 2021 to include certain information that led to the previously-reported final total, but was not captured due to technical complications on April 2, 2021. /s/ Simon Leung 2021-05-04