| 
                 
                    Closing price on 7/21/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    22.90 | 
                 
                
                    | High | 
                    22.90 | 
                 
                
                    | Low | 
                    22.90 | 
                     
                
                    | Volume | 
                    230 | 
                                 
                
                    | Split-adjusted Price | 
                    11.64 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
C21 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/21/2011
             | 
            
                -1.20 / -4.98%
             |             
            
                22.90
             |           
            
                22.90
             |               
            
                22.90
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                11.64
             |                                 
            
                230
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2011
             | 
            
                -1.20 / -4.74%
             |             
            
                24.10
             |           
            
                24.10
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                12.25
             |                                 
            
                170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2011
             | 
            
                -1.30 / -4.89%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                12.86
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2011
             | 
            
                -1.40 / -5.00%
             |             
            
                26.60
             |           
            
                26.60
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                13.52
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2011
             | 
            
                +28.00 / +0.00%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                14.23
             |                                 
            
                5,530
             |            
            
                 
             |                                       
         
    
         
    
    
 |