| 
                 
                    Closing price on 12/16/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    39.90 | 
                 
                
                    | High | 
                    41.90 | 
                 
                
                    | Low | 
                    39.40 | 
                     
                
                    | Volume | 
                    501,390 | 
                                 
                
                    | Split-adjusted Price | 
                    16.46 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CVT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/16/2016
             | 
            
                +0.40 / +1.01%
             |             
            
                39.90
             |           
            
                41.90
             |               
            
                39.40
             |                           
            
                40.00
             | 
            
                40.68
             |                     
            
                16.46
             |                                 
            
                501,390
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2016
             | 
            
                +2.60 / +7.03%
             |             
            
                37.10
             |           
            
                40.00
             |               
            
                37.00
             |                           
            
                39.60
             | 
            
                38.90
             |                     
            
                16.29
             |                                 
            
                802,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2016
             | 
            
                +1.70 / +4.82%
             |             
            
                34.90
             |           
            
                37.00
             |               
            
                34.80
             |                           
            
                37.00
             | 
            
                36.35
             |                     
            
                15.22
             |                                 
            
                235,218
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2016
             | 
            
                +0.90 / +2.62%
             |             
            
                33.90
             |           
            
                35.80
             |               
            
                33.90
             |                           
            
                35.30
             | 
            
                34.88
             |                     
            
                14.53
             |                                 
            
                356,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2016
             | 
            
                -1.90 / -5.23%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                34.10
             |                           
            
                34.40
             | 
            
                34.80
             |                     
            
                14.16
             |                                 
            
                354,640
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2016
             | 
            
                -0.30 / -0.82%
             |             
            
                37.00
             |           
            
                37.40
             |               
            
                36.00
             |                           
            
                36.30
             | 
            
                36.43
             |                     
            
                14.94
             |                                 
            
                174,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2016
             | 
            
                +0.90 / +2.52%
             |             
            
                36.00
             |           
            
                37.40
             |               
            
                35.90
             |                           
            
                36.60
             | 
            
                36.31
             |                     
            
                15.06
             |                                 
            
                194,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2016
             | 
            
                -2.20 / -5.80%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                35.30
             |                           
            
                35.70
             | 
            
                36.05
             |                     
            
                14.69
             |                                 
            
                398,923
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2016
             | 
            
                -3.80 / -9.11%
             |             
            
                40.80
             |           
            
                40.80
             |               
            
                37.90
             |                           
            
                37.90
             | 
            
                38.52
             |                     
            
                15.60
             |                                 
            
                845,833
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2016
             | 
            
                -0.50 / -1.18%
             |             
            
                42.30
             |           
            
                42.30
             |               
            
                41.70
             |                           
            
                41.70
             | 
            
                41.95
             |                     
            
                17.16
             |                                 
            
                99,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2016
             | 
            
                +0.20 / +0.48%
             |             
            
                42.70
             |           
            
                42.70
             |               
            
                42.00
             |                           
            
                42.20
             | 
            
                42.28
             |                     
            
                17.36
             |                                 
            
                112,401
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2016
             | 
            
                +0.30 / +0.72%
             |             
            
                42.00
             |           
            
                42.30
             |               
            
                41.70
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                17.28
             |                                 
            
                158,264
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2016
             | 
            
                +0.70 / +1.71%
             |             
            
                41.10
             |           
            
                41.70
             |               
            
                40.70
             |                           
            
                41.70
             | 
            
                40.99
             |                     
            
                17.16
             |                                 
            
                115,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2016
             | 
            
                -0.40 / -0.97%
             |             
            
                41.40
             |           
            
                41.60
             |               
            
                40.60
             |                           
            
                41.00
             | 
            
                41.05
             |                     
            
                16.87
             |                                 
            
                202,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2016
             | 
            
                -0.70 / -1.66%
             |             
            
                42.00
             |           
            
                42.30
             |               
            
                41.40
             |                           
            
                41.40
             | 
            
                42.10
             |                     
            
                17.04
             |                                 
            
                79,061
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2016
             | 
            
                +0.10 / +0.24%
             |             
            
                42.00
             |           
            
                42.20
             |               
            
                41.70
             |                           
            
                42.10
             | 
            
                41.88
             |                     
            
                17.32
             |                                 
            
                140,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2016
             | 
            
                -0.40 / -0.94%
             |             
            
                42.40
             |           
            
                42.40
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.08
             |                     
            
                17.28
             |                                 
            
                111,015
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2016
             | 
            
                +0.20 / +0.47%
             |             
            
                42.90
             |           
            
                43.50
             |               
            
                42.10
             |                           
            
                42.40
             | 
            
                42.50
             |                     
            
                17.45
             |                                 
            
                55,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2016
             | 
            
                -0.40 / -0.94%
             |             
            
                43.00
             |           
            
                43.20
             |               
            
                42.00
             |                           
            
                42.20
             | 
            
                42.61
             |                     
            
                17.36
             |                                 
            
                162,550
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2016
             | 
            
                +0.50 / +1.19%
             |             
            
                42.10
             |           
            
                42.90
             |               
            
                41.70
             |                           
            
                42.60
             | 
            
                42.36
             |                     
            
                17.53
             |                                 
            
                70,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2016
             | 
            
                -0.50 / -1.17%
             |             
            
                42.10
             |           
            
                42.60
             |               
            
                41.80
             |                           
            
                42.10
             | 
            
                42.05
             |                     
            
                17.32
             |                                 
            
                123,550
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2016
             | 
            
                -0.60 / -1.39%
             |             
            
                43.20
             |           
            
                43.50
             |               
            
                42.60
             |                           
            
                42.60
             | 
            
                43.20
             |                     
            
                17.53
             |                                 
            
                91,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2016
             | 
            
                0.00 / 0.00%
             |             
            
                43.50
             |           
            
                43.70
             |               
            
                43.10
             |                           
            
                43.20
             | 
            
                43.40
             |                     
            
                17.78
             |                                 
            
                108,453
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2016
             | 
            
                +0.90 / +2.13%
             |             
            
                42.40
             |           
            
                43.50
             |               
            
                42.40
             |                           
            
                43.20
             | 
            
                43.03
             |                     
            
                17.78
             |                                 
            
                259,285
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2016
             | 
            
                -0.60 / -1.40%
             |             
            
                42.70
             |           
            
                42.70
             |               
            
                42.00
             |                           
            
                42.30
             | 
            
                42.43
             |                     
            
                17.41
             |                                 
            
                119,740
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2016
             | 
            
                +0.30 / +0.70%
             |             
            
                42.30
             |           
            
                42.90
             |               
            
                42.10
             |                           
            
                42.90
             | 
            
                42.60
             |                     
            
                17.65
             |                                 
            
                126,183
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2016
             | 
            
                +2.10 / +5.19%
             |             
            
                41.90
             |           
            
                42.70
             |               
            
                41.20
             |                           
            
                42.60
             | 
            
                42.03
             |                     
            
                17.53
             |                                 
            
                335,710
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2016
             | 
            
                -0.80 / -1.94%
             |             
            
                41.30
             |           
            
                41.30
             |               
            
                39.00
             |                           
            
                40.50
             | 
            
                40.15
             |                     
            
                16.67
             |                                 
            
                426,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2016
             | 
            
                0.00 / 0.00%
             |             
            
                42.40
             |           
            
                42.40
             |               
            
                41.00
             |                           
            
                41.30
             | 
            
                41.43
             |                     
            
                16.99
             |                                 
            
                229,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2016
             | 
            
                +0.70 / +1.72%
             |             
            
                40.90
             |           
            
                41.30
             |               
            
                40.60
             |                           
            
                41.30
             | 
            
                40.90
             |                     
            
                16.99
             |                                 
            
                107,325
             |  
            
                 
             |                                                              
             
    
         
    
    
 |