| 
                 
                    Closing price on 8/10/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.70 | 
                 
                
                    | Low | 
                    8.00 | 
                     
                
                    | Volume | 
                    437,550 | 
                                 
                
                    | Split-adjusted Price | 
                    5.54 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CVN Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/10/2012
             | 
            
                +0.60 / +7.41%
             |             
            
                8.20
             |           
            
                8.70
             |               
            
                8.00
             |                           
            
                8.70
             | 
            
                8.22
             |                     
            
                5.54
             |                                 
            
                437,550
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2012
             | 
            
                -0.50 / -5.81%
             |             
            
                8.50
             |           
            
                9.20
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.38
             |                     
            
                5.15
             |                                 
            
                83,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2012
             | 
            
                -0.60 / -6.52%
             |             
            
                8.70
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                5.47
             |                                 
            
                170,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2012
             | 
            
                -0.60 / -6.12%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.31
             |                     
            
                5.85
             |                                 
            
                61,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2012
             | 
            
                +0.50 / +5.38%
             |             
            
                9.30
             |           
            
                10.00
             |               
            
                9.30
             |                           
            
                9.80
             | 
            
                9.73
             |                     
            
                6.24
             |                                 
            
                283,150
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2012
             | 
            
                -0.60 / -6.06%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.92
             |                     
            
                5.92
             |                                 
            
                132,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2012
             | 
            
                +0.60 / +6.45%
             |             
            
                9.70
             |           
            
                9.90
             |               
            
                9.70
             |                           
            
                9.90
             | 
            
                9.88
             |                     
            
                6.30
             |                                 
            
                163,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2012
             | 
            
                +0.60 / +6.90%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.29
             |                     
            
                5.92
             |                                 
            
                165,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2012
             | 
            
                +0.50 / +6.10%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                5.54
             |                                 
            
                528,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2012
             | 
            
                +0.50 / +6.49%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.17
             |                     
            
                5.22
             |                                 
            
                25,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2012
             | 
            
                +0.50 / +6.94%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.60
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                4.90
             |                                 
            
                71,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2012
             | 
            
                +0.40 / +5.88%
             |             
            
                6.90
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.20
             | 
            
                7.13
             |                     
            
                4.58
             |                                 
            
                200,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2012
             | 
            
                +0.30 / +4.62%
             |             
            
                6.40
             |           
            
                6.80
             |               
            
                6.40
             |                           
            
                6.80
             | 
            
                6.75
             |                     
            
                4.33
             |                                 
            
                402,450
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2012
             | 
            
                +0.30 / +4.84%
             |             
            
                6.00
             |           
            
                6.50
             |               
            
                6.00
             |                           
            
                6.50
             | 
            
                6.41
             |                     
            
                4.14
             |                                 
            
                348,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2012
             | 
            
                +0.30 / +5.08%
             |             
            
                6.10
             |           
            
                6.20
             |               
            
                5.80
             |                           
            
                6.20
             | 
            
                6.06
             |                     
            
                3.95
             |                                 
            
                30,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2012
             | 
            
                -0.30 / -4.84%
             |             
            
                6.10
             |           
            
                6.20
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.92
             |                     
            
                3.75
             |                                 
            
                99,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2012
             | 
            
                +0.40 / +6.90%
             |             
            
                6.00
             |           
            
                6.30
             |               
            
                5.90
             |                           
            
                6.20
             | 
            
                6.13
             |                     
            
                3.95
             |                                 
            
                422,950
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2012
             | 
            
                -0.50 / -7.94%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.96
             |                     
            
                3.69
             |                                 
            
                136,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2012
             | 
            
                +0.30 / +5.00%
             |             
            
                6.10
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.14
             |                     
            
                4.01
             |                                 
            
                291,450
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2012
             | 
            
                +0.30 / +5.26%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.82
             |                                 
            
                72,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2012
             | 
            
                +0.30 / +5.56%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                3.63
             |                                 
            
                210,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2012
             | 
            
                +0.20 / +3.85%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.37
             |                     
            
                3.44
             |                                 
            
                313,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.14
             |                     
            
                3.31
             |                                 
            
                104,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2012
             | 
            
                -0.30 / -5.45%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                3.31
             |                                 
            
                308,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2012
             | 
            
                -0.40 / -6.78%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.55
             |                     
            
                3.50
             |                                 
            
                207,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2012
             | 
            
                -0.10 / -1.67%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.94
             |                     
            
                3.75
             |                                 
            
                267,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2012
             | 
            
                +0.30 / +5.26%
             |             
            
                5.50
             |           
            
                6.00
             |               
            
                5.40
             |                           
            
                6.00
             | 
            
                5.49
             |                     
            
                3.82
             |                                 
            
                133,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2012
             | 
            
                -0.40 / -6.56%
             |             
            
                5.90
             |           
            
                6.10
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.85
             |                     
            
                3.63
             |                                 
            
                298,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2012
             | 
            
                -0.40 / -6.15%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.12
             |                     
            
                3.88
             |                                 
            
                67,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2012
             | 
            
                +0.20 / +3.17%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.00
             |                           
            
                6.50
             | 
            
                6.51
             |                     
            
                4.14
             |                                 
            
                416,750
             |  
            
                 
             |                                                              
             
    
         
    
    
 |