| 
                 
                    Closing price on 9/5/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    24.40 | 
                 
                
                    | High | 
                    25.30 | 
                 
                
                    | Low | 
                    23.90 | 
                     
                
                    | Volume | 
                    313,720 | 
                                 
                
                    | Split-adjusted Price | 
                    5.11 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CVT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/5/2014
             | 
            
                +1.60 / +6.75%
             |             
            
                24.40
             |           
            
                25.30
             |               
            
                23.90
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                5.11
             |                                 
            
                313,720
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2014
             | 
            
                +0.20 / +0.85%
             |             
            
                23.50
             |           
            
                24.40
             |               
            
                23.40
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                4.79
             |                                 
            
                244,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2014
             | 
            
                -0.90 / -3.69%
             |             
            
                24.10
             |           
            
                24.20
             |               
            
                23.50
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                4.75
             |                                 
            
                256,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2014
             | 
            
                +0.20 / +0.83%
             |             
            
                23.80
             |           
            
                24.40
             |               
            
                23.70
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                4.93
             |                                 
            
                113,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2014
             | 
            
                -0.30 / -1.22%
             |             
            
                24.00
             |           
            
                25.10
             |               
            
                24.00
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                4.89
             |                                 
            
                142,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2014
             | 
            
                +0.30 / +1.24%
             |             
            
                24.20
             |           
            
                24.70
             |               
            
                23.80
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.95
             |                                 
            
                298,113
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2014
             | 
            
                -0.80 / -3.20%
             |             
            
                25.00
             |           
            
                25.50
             |               
            
                24.10
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                4.89
             |                                 
            
                206,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2014
             | 
            
                +1.10 / +4.60%
             |             
            
                24.00
             |           
            
                25.90
             |               
            
                24.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                5.05
             |                                 
            
                273,235
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2014
             | 
            
                +2.10 / +9.63%
             |             
            
                21.80
             |           
            
                23.90
             |               
            
                21.80
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                4.83
             |                                 
            
                327,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2014
             | 
            
                +0.80 / +3.81%
             |             
            
                21.00
             |           
            
                22.10
             |               
            
                21.00
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                4.40
             |                                 
            
                146,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2014
             | 
            
                +0.40 / +1.94%
             |             
            
                20.60
             |           
            
                21.30
             |               
            
                20.40
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                4.24
             |                                 
            
                120,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2014
             | 
            
                +0.40 / +1.98%
             |             
            
                20.00
             |           
            
                21.00
             |               
            
                19.90
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                4.16
             |                                 
            
                141,125
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2014
             | 
            
                -0.40 / -1.94%
             |             
            
                20.20
             |           
            
                20.60
             |               
            
                20.10
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                4.08
             |                                 
            
                89,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2014
             | 
            
                -0.10 / -0.48%
             |             
            
                20.50
             |           
            
                20.90
             |               
            
                20.20
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                4.16
             |                                 
            
                85,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2014
             | 
            
                +0.90 / +4.55%
             |             
            
                19.70
             |           
            
                21.70
             |               
            
                19.70
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                4.18
             |                                 
            
                198,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2014
             | 
            
                -0.20 / -1.00%
             |             
            
                20.00
             |           
            
                20.20
             |               
            
                19.70
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                4.00
             |                                 
            
                94,287
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2014
             | 
            
                0.00 / 0.00%
             |             
            
                20.00
             |           
            
                20.50
             |               
            
                19.40
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                4.04
             |                                 
            
                122,332
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2014
             | 
            
                +1.50 / +8.11%
             |             
            
                19.10
             |           
            
                20.20
             |               
            
                18.80
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                4.04
             |                                 
            
                354,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2014
             | 
            
                +1.10 / +6.32%
             |             
            
                17.40
             |           
            
                18.50
             |               
            
                17.40
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                3.74
             |                                 
            
                225,268
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2014
             | 
            
                +0.10 / +0.58%
             |             
            
                17.20
             |           
            
                17.40
             |               
            
                17.00
             |                           
            
                17.40
             | 
            
                17.40
             |                     
            
                3.52
             |                                 
            
                65,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2014
             | 
            
                -0.30 / -1.70%
             |             
            
                17.60
             |           
            
                17.60
             |               
            
                17.30
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                3.49
             |                                 
            
                80,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2014
             | 
            
                +0.20 / +1.15%
             |             
            
                17.50
             |           
            
                17.70
             |               
            
                17.40
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                3.56
             |                                 
            
                78,622
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2014
             | 
            
                0.00 / 0.00%
             |             
            
                17.40
             |           
            
                17.60
             |               
            
                17.30
             |                           
            
                17.40
             | 
            
                17.40
             |                     
            
                3.52
             |                                 
            
                75,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2014
             | 
            
                +0.50 / +2.96%
             |             
            
                16.90
             |           
            
                17.50
             |               
            
                16.90
             |                           
            
                17.40
             | 
            
                17.40
             |                     
            
                3.52
             |                                 
            
                127,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2014
             | 
            
                +0.30 / +1.81%
             |             
            
                16.60
             |           
            
                17.10
             |               
            
                16.60
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                3.41
             |                                 
            
                52,346
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2014
             | 
            
                -0.40 / -2.35%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.60
             |                           
            
                16.60
             | 
            
                16.60
             |                     
            
                3.35
             |                                 
            
                30,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2014
             | 
            
                -0.20 / -1.16%
             |             
            
                17.20
             |           
            
                17.20
             |               
            
                16.80
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                3.43
             |                                 
            
                52,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2014
             | 
            
                -0.30 / -1.71%
             |             
            
                17.20
             |           
            
                17.30
             |               
            
                16.70
             |                           
            
                17.20
             | 
            
                17.20
             |                     
            
                3.47
             |                                 
            
                125,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2014
             | 
            
                -0.50 / -2.78%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                17.50
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                3.54
             |                                 
            
                60,523
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2014
             | 
            
                -0.30 / -1.64%
             |             
            
                18.60
             |           
            
                18.60
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                3.64
             |                                 
            
                158,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |