EX-99.1 2 c21756exv99w1.htm EXHIBIT 1 Exhibit 1
EXHIBIT 1
JOINT FILING STATEMENT
I, the undersigned, hereby express my agreement that the attached Schedule 13D (and any amendments thereto) relating to the ownership by each of the undersigned of ADS of 21Vianet Group, Inc. is filed on behalf of each of the undersigned.
Dated: August 19, 2011
         
GRANITE GLOBAL VENTURES III L.P.
GGV III ENTREPRENEURS FUND L.P.
BY: GRANITE GLOBAL VENTURES III L.L.C.
ITS: GENERAL PARTNER
 
   
By:  
/s/ Hany M. Nada 
   
 
Hany M. Nada 
   
 
Managing Director 
   
 
GRANITE GLOBAL VENTURES III L.L.C.
 
   
By:  
/s/ Hany M. Nada 
   
 
Hany M. Nada 
   
 
Managing Director 
   
 
 
/s/ Hany M. Nada 
   
Hany M. Nada as Attorney-in-fact for Scott B. Bonham     
     
 
/s/ Hany M. Nada 
   
Hany M. Nada     
     
 
/s/ Hany M. Nada 
   
Hany M. Nada as Attorney-in-fact for Thomas K. Ng     
     
 
/s/ Hany M. Nada 
   
Hany M. Nada as Attorney-in-fact for Jixun Foo     
     
 
/s/ Hany M. Nada 
   
Hany M. Nada as Attorney-in-fact for Glenn Solomon     
     
 
/s/ Hany M. Nada 
   
Hany M. Nada as Attorney-in-fact for Jenny Lee     
     
 
/s/ Hany M. Nada 
   
Hany M. Nada as Attorney-in-fact for Fumin Zhuo     
     
 
/s/ Hany M. Nada 
   
Hany M. Nada as Attorney-in-fact for Jessie Jin