| 
                 
                    Closing price on 11/1/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.30 | 
                 
                
                    | Low | 
                    8.20 | 
                     
                
                    | Volume | 
                    16,500 | 
                                 
                
                    | Split-adjusted Price | 
                    1.52 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CVT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/1/2013
             | 
            
                -0.10 / -1.19%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                1.52
             |                                 
            
                16,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2013
             | 
            
                +0.20 / +2.44%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                1.54
             |                                 
            
                6,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2013
             | 
            
                +0.10 / +1.23%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.51
             |                                 
            
                21,025
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                1.49
             |                                 
            
                33,875
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2013
             | 
            
                +0.20 / +2.53%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                1.49
             |                                 
            
                7,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2013
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                1.45
             |                                 
            
                16,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2013
             | 
            
                +0.20 / +2.56%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                1.43
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                1.43
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2013
             | 
            
                -0.20 / -2.50%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                1.43
             |                                 
            
                1,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                8.00
             |               
            
                7.30
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                11,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                11,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2013
             | 
            
                -0.20 / -2.44%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.51
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2013
             | 
            
                +0.20 / +2.50%
             |             
            
                7.90
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.51
             |                                 
            
                225
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2013
             | 
            
                +0.10 / +1.27%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.47
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                1.45
             |                                 
            
                125
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                1.45
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                1.45
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                1.45
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2013
             | 
            
                +0.10 / +1.28%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                1.45
             |                                 
            
                13,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2013
             | 
            
                +0.10 / +1.30%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                1.43
             |                                 
            
                19,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                1.41
             |                                 
            
                15,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                1.41
             |                                 
            
                13,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                1.41
             |                                 
            
                12,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2013
             | 
            
                -0.10 / -1.28%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                1.41
             |                                 
            
                14,000
             |  
            
                 
             |                                                              
             
    
         
    
    
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