| 
                 
                    Closing price on 11/15/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.80 | 
                 
                
                    | High | 
                    30.80 | 
                 
                
                    | Low | 
                    28.30 | 
                     
                
                    | Volume | 
                    2,900 | 
                                 
                
                    | Split-adjusted Price | 
                    18.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CVN Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/15/2010
             | 
            
                -1.10 / -3.74%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                28.30
             |                           
            
                28.30
             | 
            
                30.12
             |                     
            
                18.01
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2010
             | 
            
                -0.60 / -2.00%
             |             
            
                31.30
             |           
            
                31.30
             |               
            
                29.40
             |                           
            
                29.40
             | 
            
                30.13
             |                     
            
                18.71
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2010
             | 
            
                0.00 / 0.00%
             |             
            
                32.60
             |           
            
                32.60
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                31.57
             |                     
            
                19.09
             |                                 
            
                5,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2010
             | 
            
                -0.20 / -0.66%
             |             
            
                32.90
             |           
            
                32.90
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                31.37
             |                     
            
                19.09
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2010
             | 
            
                -0.30 / -0.98%
             |             
            
                32.20
             |           
            
                32.20
             |               
            
                30.20
             |                           
            
                30.20
             | 
            
                31.14
             |                     
            
                19.22
             |                                 
            
                10,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2010
             | 
            
                -1.10 / -3.48%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                32.28
             |                     
            
                19.41
             |                                 
            
                10,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2010
             | 
            
                +1.10 / +3.61%
             |             
            
                31.60
             |           
            
                31.90
             |               
            
                30.10
             |                           
            
                31.60
             | 
            
                31.30
             |                     
            
                20.11
             |                                 
            
                30,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2010
             | 
            
                -2.00 / -6.15%
             |             
            
                32.50
             |           
            
                34.70
             |               
            
                30.30
             |                           
            
                30.50
             | 
            
                30.82
             |                     
            
                19.41
             |                                 
            
                40,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2010
             | 
            
                +1.60 / +5.18%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                20.68
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2010
             | 
            
                -0.60 / -1.90%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                30.90
             |                           
            
                30.90
             | 
            
                32.54
             |                     
            
                19.66
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2010
             | 
            
                -1.00 / -3.08%
             |             
            
                31.40
             |           
            
                31.50
             |               
            
                31.00
             |                           
            
                31.50
             | 
            
                31.39
             |                     
            
                20.05
             |                                 
            
                7,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2010
             | 
            
                +0.50 / +1.56%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.90
             |                     
            
                20.68
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2010
             | 
            
                +1.00 / +3.23%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.99
             |                     
            
                20.36
             |                                 
            
                6,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2010
             | 
            
                -2.20 / -6.63%
             |             
            
                33.40
             |           
            
                33.50
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                32.82
             |                     
            
                19.73
             |                                 
            
                9,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2010
             | 
            
                +1.60 / +5.06%
             |             
            
                32.10
             |           
            
                33.40
             |               
            
                32.00
             |                           
            
                33.20
             | 
            
                32.85
             |                     
            
                21.13
             |                                 
            
                12,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2010
             | 
            
                +0.70 / +2.27%
             |             
            
                30.00
             |           
            
                31.80
             |               
            
                30.00
             |                           
            
                31.60
             | 
            
                31.53
             |                     
            
                20.11
             |                                 
            
                10,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2010
             | 
            
                -2.20 / -6.65%
             |             
            
                32.90
             |           
            
                32.90
             |               
            
                30.90
             |                           
            
                30.90
             | 
            
                31.78
             |                     
            
                19.66
             |                                 
            
                9,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2010
             | 
            
                -0.50 / -1.49%
             |             
            
                33.40
             |           
            
                33.50
             |               
            
                32.90
             |                           
            
                33.10
             | 
            
                33.12
             |                     
            
                21.06
             |                                 
            
                8,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2010
             | 
            
                +1.10 / +3.38%
             |             
            
                32.40
             |           
            
                33.60
             |               
            
                32.30
             |                           
            
                33.60
             | 
            
                33.23
             |                     
            
                21.38
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2010
             | 
            
                -0.60 / -1.81%
             |             
            
                33.00
             |           
            
                33.90
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                33.22
             |                     
            
                20.68
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2010
             | 
            
                -1.30 / -3.78%
             |             
            
                33.10
             |           
            
                34.90
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                33.52
             |                     
            
                21.06
             |                                 
            
                9,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2010
             | 
            
                +0.40 / +1.18%
             |             
            
                35.20
             |           
            
                35.20
             |               
            
                33.20
             |                           
            
                34.40
             | 
            
                33.93
             |                     
            
                21.89
             |                                 
            
                11,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2010
             | 
            
                -0.30 / -0.87%
             |             
            
                33.10
             |           
            
                35.00
             |               
            
                33.00
             |                           
            
                34.00
             | 
            
                33.73
             |                     
            
                21.64
             |                                 
            
                11,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2010
             | 
            
                -1.10 / -3.11%
             |             
            
                32.50
             |           
            
                34.90
             |               
            
                32.40
             |                           
            
                34.30
             | 
            
                33.61
             |                     
            
                21.83
             |                                 
            
                23,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2010
             | 
            
                -0.30 / -0.84%
             |             
            
                36.90
             |           
            
                36.90
             |               
            
                33.10
             |                           
            
                35.40
             | 
            
                34.21
             |                     
            
                22.53
             |                                 
            
                14,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2010
             | 
            
                -0.70 / -1.92%
             |             
            
                33.90
             |           
            
                35.70
             |               
            
                33.90
             |                           
            
                35.70
             | 
            
                35.34
             |                     
            
                22.72
             |                                 
            
                14,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2010
             | 
            
                +0.10 / +0.28%
             |             
            
                35.00
             |           
            
                37.30
             |               
            
                34.90
             |                           
            
                36.40
             | 
            
                35.84
             |                     
            
                23.16
             |                                 
            
                11,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2010
             | 
            
                -0.70 / -1.89%
             |             
            
                37.40
             |           
            
                37.50
             |               
            
                36.30
             |                           
            
                36.30
             | 
            
                36.96
             |                     
            
                23.10
             |                                 
            
                16,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2010
             | 
            
                +1.50 / +4.23%
             |             
            
                35.30
             |           
            
                37.40
             |               
            
                35.20
             |                           
            
                37.00
             | 
            
                36.27
             |                     
            
                23.55
             |                                 
            
                22,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2010
             | 
            
                +3.40 / +10.59%
             |             
            
                34.50
             |           
            
                35.50
             |               
            
                34.50
             |                           
            
                35.50
             | 
            
                35.07
             |                     
            
                22.59
             |                                 
            
                14,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |