X0202 4 2007-05-08 0 0001131554 SYNCHRONOSS TECHNOLOGIES INC SNCR 0001363530 Waldis Stephen G 750 ROUTE 202 SOUTH SUITE 600 BRIDGEWATER NJ 08807 1 1 0 0 President & C.E.O. Common Stock 2007-05-08 4 S 0 100 23.00 D 1891170 D Common Stock 2007-05-08 4 S 0 100 23.07 D 1891070 D Common Stock 2007-05-08 4 S 0 100 23.09 D 1890970 D Common Stock 2007-05-08 4 S 0 200 23.10 D 1890770 D Common Stock 2007-05-08 4 S 0 100 23.11 D 1890670 D Common Stock 2007-05-08 4 S 0 200 23.12 D 1890470 D Common Stock 2007-05-08 4 S 0 100 23.13 D 1890370 D Common Stock 2007-05-08 4 S 0 100 23.16 D 1890270 D Common Stock 2007-05-08 4 S 0 100 22.24 D 1890170 D Common Stock 2007-05-08 4 S 0 100 23.35 D 1890070 D Common Stock 2007-05-08 4 S 0 100 23.39 D 1889970 D Common Stock 2007-05-08 4 S 0 100 23.46 D 1889870 D Common Stock 2007-05-08 4 S 0 600 23.49 D 1889270 D Common Stock 2007-05-08 4 S 0 300 23.50 D 1888970 D Common Stock 2007-05-08 4 S 0 200 23.51 D 1888770 D Common Stock 2007-05-08 4 S 0 200 23.53 D 1888570 D Common Stock 2007-05-08 4 S 0 200 23.54 D 1888370 D Common Stock 2007-05-08 4 S 0 200 23.55 D 1888170 D Common Stock 2007-05-08 4 S 0 300 23.56 D 1887870 D Common Stock 2007-05-08 4 S 0 100 23.57 D 1887770 D Common Stock 2007-05-08 4 S 0 200 23.58 D 1887570 D Common Stock 2007-05-08 4 S 0 200 23.59 D 1887370 D Common Stock 2007-05-08 4 S 0 100 23.60 D 1887270 D Common Stock 2007-05-08 4 S 0 100 23.61 D 1887170 D Common Stock 2007-05-08 4 S 0 100 23.63 D 1887070 D Common Stock 2007-05-08 4 S 0 100 23.64 D 1886970 D Common Stock 2007-05-08 4 S 0 200 23.65 D 1886770 D Common Stock 2007-05-08 4 S 0 100 23.66 D 1886670 D Common Stock 2007-05-08 4 S 0 200 23.68 D 1886470 D Common Stock 2007-05-08 4 S 0 100 23.69 D 1886370 D (1) ***All of the sales reported in this Form 4 were effected pursuant to an approved Rule 10b5-1 trading Plan.*** /s/ Stephen G. Waldis 2007-05-10