| 
                 
                    Closing price on 6/24/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.20 | 
                 
                
                    | High | 
                    15.20 | 
                 
                
                    | Low | 
                    15.00 | 
                     
                
                    | Volume | 
                    20 | 
                                 
                
                    | Split-adjusted Price | 
                    9.42 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
C21 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/24/2013
             | 
            
                +0.30 / +2.04%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.42
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2013
             | 
            
                -0.20 / -1.34%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                14.70
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                9.23
             |                                 
            
                50
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2013
             | 
            
                +0.20 / +1.36%
             |             
            
                14.50
             |           
            
                14.90
             |               
            
                14.50
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                9.36
             |                                 
            
                9,430
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2013
             | 
            
                -0.20 / -1.34%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                14.60
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                9.23
             |                                 
            
                430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2013
             | 
            
                -0.30 / -1.97%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                9.36
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2013
             | 
            
                -0.10 / -0.65%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                9.55
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2013
             | 
            
                -0.10 / -0.65%
             |             
            
                15.40
             |           
            
                15.40
             |               
            
                15.30
             |                           
            
                15.30
             | 
            
                15.30
             |                     
            
                9.61
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2013
             | 
            
                +0.40 / +2.67%
             |             
            
                14.60
             |           
            
                15.40
             |               
            
                14.60
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                9.67
             |                                 
            
                150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                14.10
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.42
             |                                 
            
                2,130
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2013
             | 
            
                +0.50 / +3.45%
             |             
            
                15.40
             |           
            
                15.40
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.42
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2013
             | 
            
                -0.20 / -1.36%
             |             
            
                14.70
             |           
            
                15.40
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                9.11
             |                                 
            
                8,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2013
             | 
            
                -0.20 / -1.34%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                14.70
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                9.23
             |                                 
            
                1,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2013
             | 
            
                -0.10 / -0.67%
             |             
            
                14.80
             |           
            
                14.90
             |               
            
                14.70
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                9.36
             |                                 
            
                3,050
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                14.60
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.42
             |                                 
            
                7,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                15.00
             |               
            
                14.80
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.42
             |                                 
            
                4,520
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2013
             | 
            
                +0.10 / +0.67%
             |             
            
                14.70
             |           
            
                15.00
             |               
            
                14.60
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.42
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2013
             | 
            
                -0.10 / -0.67%
             |             
            
                14.30
             |           
            
                15.00
             |               
            
                14.10
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                9.36
             |                                 
            
                9,430
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2013
             | 
            
                -0.10 / -0.66%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.42
             |                                 
            
                40
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2013
             | 
            
                -0.20 / -1.31%
             |             
            
                14.50
             |           
            
                15.10
             |               
            
                14.30
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                9.49
             |                                 
            
                8,320
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2013
             | 
            
                +0.10 / +0.66%
             |             
            
                15.40
             |           
            
                15.40
             |               
            
                14.50
             |                           
            
                15.30
             | 
            
                15.30
             |                     
            
                9.61
             |                                 
            
                1,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                9.55
             |                                 
            
                1,210
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2013
             | 
            
                +0.20 / +1.33%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                14.60
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                9.55
             |                                 
            
                2,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2013
             | 
            
                +0.20 / +1.35%
             |             
            
                14.80
             |           
            
                15.00
             |               
            
                14.80
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.42
             |                                 
            
                14,110
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2013
             | 
            
                -0.40 / -2.63%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                9.30
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2013
             | 
            
                -0.20 / -1.30%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.00
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                9.55
             |                                 
            
                4,740
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2013
             | 
            
                +0.90 / +6.21%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.40
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                9.67
             |                                 
            
                2,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2013
             | 
            
                -0.90 / -5.84%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                9.11
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2013
             | 
            
                -0.10 / -0.65%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.40
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                9.67
             |                                 
            
                560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.40
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                9.74
             |                                 
            
                14,740
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2013
             | 
            
                -0.80 / -4.91%
             |             
            
                15.60
             |           
            
                15.60
             |               
            
                15.40
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                9.74
             |                                 
            
                11,960
             |  
            
                 
             |                                                              
             
    
         
    
    
 |