| 
                 
                    Closing price on 2/7/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    45.30 | 
                 
                
                    | High | 
                    45.80 | 
                 
                
                    | Low | 
                    45.10 | 
                     
                
                    | Volume | 
                    487,145 | 
                                 
                
                    | Split-adjusted Price | 
                    18.56 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CVT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/7/2017
             | 
            
                -0.20 / -0.44%
             |             
            
                45.30
             |           
            
                45.80
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.43
             |                     
            
                18.56
             |                                 
            
                487,145
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2017
             | 
            
                +0.10 / +0.22%
             |             
            
                45.60
             |           
            
                46.20
             |               
            
                45.30
             |                           
            
                45.30
             | 
            
                45.67
             |                     
            
                18.64
             |                                 
            
                439,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2017
             | 
            
                -1.30 / -2.80%
             |             
            
                46.70
             |           
            
                46.80
             |               
            
                45.00
             |                           
            
                45.20
             | 
            
                45.40
             |                     
            
                18.60
             |                                 
            
                564,398
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2017
             | 
            
                +1.90 / +4.26%
             |             
            
                44.70
             |           
            
                46.50
             |               
            
                44.70
             |                           
            
                46.50
             | 
            
                45.36
             |                     
            
                19.13
             |                                 
            
                349,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2017
             | 
            
                +1.10 / +2.53%
             |             
            
                43.80
             |           
            
                44.60
             |               
            
                43.60
             |                           
            
                44.60
             | 
            
                44.14
             |                     
            
                18.35
             |                                 
            
                284,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2017
             | 
            
                +1.00 / +2.35%
             |             
            
                42.60
             |           
            
                43.80
             |               
            
                42.50
             |                           
            
                43.50
             | 
            
                43.04
             |                     
            
                17.90
             |                                 
            
                369,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2017
             | 
            
                +1.10 / +2.66%
             |             
            
                41.60
             |           
            
                44.50
             |               
            
                41.60
             |                           
            
                42.50
             | 
            
                43.25
             |                     
            
                17.49
             |                                 
            
                666,740
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2017
             | 
            
                +3.70 / +9.81%
             |             
            
                38.00
             |           
            
                41.40
             |               
            
                38.00
             |                           
            
                41.40
             | 
            
                40.20
             |                     
            
                17.04
             |                                 
            
                546,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2017
             | 
            
                -0.70 / -1.82%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                37.70
             |                           
            
                37.70
             | 
            
                38.13
             |                     
            
                15.51
             |                                 
            
                58,510
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2017
             | 
            
                +0.10 / +0.26%
             |             
            
                38.30
             |           
            
                38.70
             |               
            
                38.30
             |                           
            
                38.40
             | 
            
                38.52
             |                     
            
                15.80
             |                                 
            
                85,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2017
             | 
            
                +0.10 / +0.26%
             |             
            
                38.20
             |           
            
                38.90
             |               
            
                38.20
             |                           
            
                38.30
             | 
            
                38.48
             |                     
            
                15.76
             |                                 
            
                181,360
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2017
             | 
            
                -0.50 / -1.29%
             |             
            
                38.70
             |           
            
                38.70
             |               
            
                38.20
             |                           
            
                38.20
             | 
            
                38.37
             |                     
            
                15.72
             |                                 
            
                70,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2017
             | 
            
                -0.20 / -0.51%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                38.70
             |                           
            
                38.70
             | 
            
                38.90
             |                     
            
                15.92
             |                                 
            
                85,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2017
             | 
            
                +1.00 / +2.64%
             |             
            
                38.20
             |           
            
                39.10
             |               
            
                37.90
             |                           
            
                38.90
             | 
            
                38.63
             |                     
            
                16.01
             |                                 
            
                271,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2017
             | 
            
                -0.10 / -0.26%
             |             
            
                37.80
             |           
            
                38.00
             |               
            
                37.80
             |                           
            
                37.90
             | 
            
                37.95
             |                     
            
                15.60
             |                                 
            
                80,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2017
             | 
            
                +1.00 / +2.70%
             |             
            
                37.50
             |           
            
                38.30
             |               
            
                36.40
             |                           
            
                38.00
             | 
            
                37.42
             |                     
            
                15.64
             |                                 
            
                223,058
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2017
             | 
            
                -2.00 / -5.13%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                38.48
             |                     
            
                15.22
             |                                 
            
                329,042
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2017
             | 
            
                -0.40 / -1.02%
             |             
            
                39.50
             |           
            
                39.50
             |               
            
                38.90
             |                           
            
                39.00
             | 
            
                39.15
             |                     
            
                16.05
             |                                 
            
                193,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2017
             | 
            
                +0.10 / +0.25%
             |             
            
                39.40
             |           
            
                39.60
             |               
            
                39.20
             |                           
            
                39.40
             | 
            
                39.42
             |                     
            
                16.21
             |                                 
            
                106,750
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2017
             | 
            
                +0.80 / +2.08%
             |             
            
                38.50
             |           
            
                39.60
             |               
            
                38.40
             |                           
            
                39.30
             | 
            
                39.26
             |                     
            
                16.17
             |                                 
            
                256,279
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2017
             | 
            
                -0.20 / -0.52%
             |             
            
                38.70
             |           
            
                39.00
             |               
            
                38.50
             |                           
            
                38.50
             | 
            
                38.64
             |                     
            
                15.84
             |                                 
            
                101,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2016
             | 
            
                +0.30 / +0.78%
             |             
            
                38.30
             |           
            
                38.80
             |               
            
                38.30
             |                           
            
                38.70
             | 
            
                38.54
             |                     
            
                15.92
             |                                 
            
                170,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2016
             | 
            
                -0.10 / -0.26%
             |             
            
                38.50
             |           
            
                38.80
             |               
            
                38.00
             |                           
            
                38.40
             | 
            
                38.15
             |                     
            
                15.80
             |                                 
            
                77,782
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2016
             | 
            
                -0.40 / -1.03%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                37.80
             |                           
            
                38.50
             | 
            
                38.13
             |                     
            
                15.84
             |                                 
            
                214,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2016
             | 
            
                -0.10 / -0.26%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                38.10
             |                           
            
                38.90
             | 
            
                38.51
             |                     
            
                16.01
             |                                 
            
                116,120
             |            
            
                 
             |                                       
         
    
        
            | 
                12/26/2016
             | 
            
                -0.30 / -0.76%
             |             
            
                39.50
             |           
            
                39.50
             |               
            
                38.40
             |                           
            
                39.00
             | 
            
                38.74
             |                     
            
                16.05
             |                                 
            
                75,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2016
             | 
            
                0.00 / 0.00%
             |             
            
                39.70
             |           
            
                39.70
             |               
            
                38.50
             |                           
            
                39.30
             | 
            
                39.06
             |                     
            
                16.17
             |                                 
            
                143,550
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2016
             | 
            
                -0.50 / -1.26%
             |             
            
                40.00
             |           
            
                40.00
             |               
            
                39.30
             |                           
            
                39.30
             | 
            
                39.59
             |                     
            
                16.17
             |                                 
            
                93,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2016
             | 
            
                -0.20 / -0.50%
             |             
            
                40.00
             |           
            
                40.20
             |               
            
                39.50
             |                           
            
                39.80
             | 
            
                39.85
             |                     
            
                16.38
             |                                 
            
                157,697
             |            
            
                 
             |                                       
         
    
        
            | 
                12/20/2016
             | 
            
                +1.00 / +2.56%
             |             
            
                39.00
             |           
            
                40.00
             |               
            
                39.00
             |                           
            
                40.00
             | 
            
                39.55
             |                     
            
                16.46
             |                                 
            
                178,530
             |  
            
                 
             |                                                              
             
    
         
    
    
 |