| 
                 
                    Closing price on 4/25/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.40 | 
                 
                
                    | High | 
                    15.50 | 
                 
                
                    | Low | 
                    15.40 | 
                     
                
                    | Volume | 
                    7,350 | 
                                 
                
                    | Split-adjusted Price | 
                    9.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
C21 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.40
             |           
            
                15.50
             |               
            
                15.40
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                9.14
             |                                 
            
                7,350
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2013
             | 
            
                -0.20 / -1.27%
             |             
            
                15.60
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                9.14
             |                                 
            
                1,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.40
             |           
            
                15.70
             |               
            
                15.40
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                9.26
             |                                 
            
                1,750
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2013
             | 
            
                -0.50 / -3.09%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.20
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                9.26
             |                                 
            
                5,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2013
             | 
            
                +0.20 / +1.25%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                16.20
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                9.55
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                16.00
             |               
            
                15.90
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                9.43
             |                                 
            
                2,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                16.00
             |               
            
                15.70
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                9.43
             |                                 
            
                2,620
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2013
             | 
            
                +0.20 / +1.27%
             |             
            
                15.80
             |           
            
                16.00
             |               
            
                15.60
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                9.43
             |                                 
            
                3,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2013
             | 
            
                +0.10 / +0.64%
             |             
            
                15.50
             |           
            
                15.90
             |               
            
                15.50
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                9.32
             |                                 
            
                5,480
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2013
             | 
            
                +0.50 / +3.29%
             |             
            
                15.60
             |           
            
                15.70
             |               
            
                15.30
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                9.26
             |                                 
            
                13,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2013
             | 
            
                -1.10 / -6.75%
             |             
            
                16.10
             |           
            
                16.30
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                8.96
             |                                 
            
                13,670
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                16.00
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                9.61
             |                                 
            
                4,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2013
             | 
            
                +0.40 / +2.52%
             |             
            
                16.20
             |           
            
                16.50
             |               
            
                15.90
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                9.61
             |                                 
            
                12,990
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2013
             | 
            
                +0.30 / +1.92%
             |             
            
                15.50
             |           
            
                16.00
             |               
            
                15.50
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                9.38
             |                                 
            
                4,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2013
             | 
            
                -0.40 / -2.50%
             |             
            
                15.70
             |           
            
                15.80
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                9.20
             |                                 
            
                11,220
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                16.10
             |           
            
                16.20
             |               
            
                15.80
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                9.43
             |                                 
            
                11,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2013
             | 
            
                -0.90 / -5.33%
             |             
            
                16.60
             |           
            
                16.60
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                9.43
             |                                 
            
                27,030
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                16.30
             |           
            
                16.90
             |               
            
                16.10
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                9.97
             |                                 
            
                7,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                16.20
             |           
            
                16.90
             |               
            
                16.20
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                9.97
             |                                 
            
                18,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2013
             | 
            
                +1.10 / +6.96%
             |             
            
                15.90
             |           
            
                16.90
             |               
            
                15.90
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                9.97
             |                                 
            
                80,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                9.32
             |                                 
            
                13,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2013
             | 
            
                +0.60 / +3.95%
             |             
            
                15.20
             |           
            
                16.00
             |               
            
                15.20
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                9.32
             |                                 
            
                54,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2013
             | 
            
                +0.40 / +2.70%
             |             
            
                14.80
             |           
            
                15.20
             |               
            
                14.80
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                8.96
             |                                 
            
                35,860
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2013
             | 
            
                -0.10 / -0.67%
             |             
            
                14.60
             |           
            
                15.00
             |               
            
                14.60
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                8.73
             |                                 
            
                14,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2013
             | 
            
                -0.10 / -0.67%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                8.79
             |                                 
            
                1,790
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2013
             | 
            
                +0.20 / +1.35%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                8.84
             |                                 
            
                1,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.70
             |           
            
                14.80
             |               
            
                14.70
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                8.73
             |                                 
            
                680
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2013
             | 
            
                -0.40 / -2.63%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                8.73
             |                                 
            
                3,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2013
             | 
            
                +0.20 / +1.33%
             |             
            
                15.00
             |           
            
                15.20
             |               
            
                15.00
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                8.96
             |                                 
            
                510
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.90
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                8.84
             |                                 
            
                720
             |  
            
                 
             |                                                              
             
    
         
    
    
 |