X0306 4 2014-04-16 0 0001131554 SYNCHRONOSS TECHNOLOGIES INC SNCR 0001363530 Waldis Stephen G 200 CROSSING BOULEVARD SUITE 800 BRIDGEWATER NJ 08807 1 1 0 0 CEO and Chairman Common Stock 2014-04-16 4 M 0 17773 8.98 A 637254 D Common Stock 2014-04-16 4 S 0 17773 30.83 D 619481 D Common Stock 53606 I As GP of Waldis Family Partnership Stock Option (Right to Purchase) 8.98 2014-04-16 4 M 0 17773 0.00 D 2007-04-03 2016-04-03 Common Stock 17773 35546 D The weighted average sales price is reported as stock sales were aggregated for reporting purposes. The per share transaction price ranged from $30.35 to $31.25. The reporting person will provide, upon request from an appropriate party, the per share sales volume and prices. Shares held by the Waldis Family Partnership L.P., of which Stephen G. Waldis is the general partner. The option became exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completed 12 months of continuous service after April 3, 2006. The option becomes exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. All of the sales reported on this Form were effected pursuant to an approved Rule 10b5-1 trading plan. /s/ Stephen G. Waldis 2014-04-18