Exhibit 7.01
JOINT FILING AGREEMENT
     The undersigned hereby agree that the Amendment No. 4 to Statement on Schedule 13D filed herewith (and any amendments thereto), relating to the Common Stock, par value $0.01 per share, of BlackRock, Inc., is being filed jointly with the Securities and Exchange Commission pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, on behalf of each such person.
Dated: December 29, 2008
         
 
        
MERRILL LYNCH & CO., INC.    
 
        
 
        
By:
Name:
  /s/ JONATHAN N. SANTELLI
 
Jonathan N. Santelli 		   
Title:
  Assistant Secretary    
 
        
 
        
MERRILL LYNCH GROUP, INC.    
 
        
By:
  /s/ JONATHAN N. SANTELLI    
 
       
Name:
  Jonathan N. Santelli    
Title:
  Authorized Person    
 
        
 
        
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED    
 
        
 
        
By:
  /s/ JONATHAN N. SANTELLI    
 
       
Name:
  Jonathan N. Santelli    
Title:
  Assistant Secretary    
 
        
 
        
MERRILL LYNCH BANK & TRUST CO., FSB    
 
        
By:
  /s/ JONATHAN N. SANTELLI    
 
       
Name:
  Jonathan N. Santelli    
Title:
  Authorized Person