YY [YY] SC 13D: JOINT FILING STATEMENT STYLE=”font-family:Times New Roman” SIZE=”2″> STYLE=”font-family:Times
[JOINT FILING STATEMENT STYLE="font-family:Times New Roman" SIZE="2"> STYLE="font-family:Times New Roman" SIZE="2">Dated: December3, 2012 GRANITE GLOBAL VENTURES III L.P. GGV III ENTREPRENEURS FUND L.P. ITS: GENERAL PARTNER Hany M. Nada Managing Director GRANITE GLOBAL VENTURES III L.L.C. Hany M. Nada Managing Director HanyM.NadaasAttorney-in-factforScottB.Bonham Hany M. Nada Hany M. Nada Attorney-in-fact for Thomas K. Ng]