| 
                 
                    Closing price on 10/23/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    35.70 | 
                 
                
                    | High | 
                    36.00 | 
                 
                
                    | Low | 
                    35.10 | 
                     
                
                    | Volume | 
                    121,200 | 
                                 
                
                    | Split-adjusted Price | 
                    7.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CVT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/23/2014
             | 
            
                -0.60 / -1.68%
             |             
            
                35.70
             |           
            
                36.00
             |               
            
                35.10
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                7.09
             |                                 
            
                121,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2014
             | 
            
                -0.30 / -0.83%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.00
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                7.21
             |                                 
            
                125,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2014
             | 
            
                -0.50 / -1.37%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                7.27
             |                                 
            
                118,350
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2014
             | 
            
                +0.70 / +1.96%
             |             
            
                36.30
             |           
            
                37.00
             |               
            
                36.20
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                7.37
             |                                 
            
                142,402
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2014
             | 
            
                +1.80 / +5.29%
             |             
            
                34.00
             |           
            
                35.80
             |               
            
                33.40
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                7.23
             |                                 
            
                109,326
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2014
             | 
            
                -3.00 / -8.11%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                6.87
             |                                 
            
                221,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2014
             | 
            
                0.00 / 0.00%
             |             
            
                34.00
             |           
            
                37.50
             |               
            
                34.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                7.47
             |                                 
            
                142,913
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2014
             | 
            
                -0.50 / -1.33%
             |             
            
                37.00
             |           
            
                38.20
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                7.47
             |                                 
            
                176,512
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2014
             | 
            
                -0.60 / -1.57%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                36.90
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                7.58
             |                                 
            
                223,116
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2014
             | 
            
                -1.00 / -2.56%
             |             
            
                39.00
             |           
            
                39.20
             |               
            
                38.00
             |                           
            
                38.10
             | 
            
                38.10
             |                     
            
                7.70
             |                                 
            
                103,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2014
             | 
            
                +1.60 / +4.27%
             |             
            
                37.60
             |           
            
                41.00
             |               
            
                37.60
             |                           
            
                39.10
             | 
            
                39.10
             |                     
            
                7.90
             |                                 
            
                99,238
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2014
             | 
            
                -1.00 / -2.60%
             |             
            
                38.00
             |           
            
                38.20
             |               
            
                37.00
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                7.58
             |                                 
            
                262,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2014
             | 
            
                -1.30 / -3.27%
             |             
            
                40.00
             |           
            
                40.20
             |               
            
                38.00
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                7.78
             |                                 
            
                289,360
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2014
             | 
            
                -0.30 / -0.75%
             |             
            
                40.10
             |           
            
                40.90
             |               
            
                39.80
             |                           
            
                39.80
             | 
            
                39.80
             |                     
            
                8.04
             |                                 
            
                135,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2014
             | 
            
                +2.60 / +6.93%
             |             
            
                37.50
             |           
            
                41.00
             |               
            
                37.50
             |                           
            
                40.10
             | 
            
                40.10
             |                     
            
                8.10
             |                                 
            
                214,395
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2014
             | 
            
                +1.90 / +5.34%
             |             
            
                35.60
             |           
            
                37.90
             |               
            
                35.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                7.58
             |                                 
            
                232,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2014
             | 
            
                -0.30 / -0.84%
             |             
            
                36.10
             |           
            
                36.40
             |               
            
                35.50
             |                           
            
                35.60
             | 
            
                35.60
             |                     
            
                7.19
             |                                 
            
                206,938
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2014
             | 
            
                +0.90 / +2.57%
             |             
            
                35.30
             |           
            
                35.90
             |               
            
                34.50
             |                           
            
                35.90
             | 
            
                35.90
             |                     
            
                7.25
             |                                 
            
                195,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2014
             | 
            
                +0.40 / +1.16%
             |             
            
                34.20
             |           
            
                36.00
             |               
            
                33.70
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                7.07
             |                                 
            
                298,788
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2014
             | 
            
                +0.60 / +1.76%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.20
             |                           
            
                34.60
             | 
            
                34.60
             |                     
            
                6.99
             |                                 
            
                261,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2014
             | 
            
                +2.10 / +6.58%
             |             
            
                32.00
             |           
            
                34.90
             |               
            
                31.90
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                6.87
             |                                 
            
                413,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2014
             | 
            
                +2.90 / +10.00%
             |             
            
                29.90
             |           
            
                31.90
             |               
            
                29.50
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                6.44
             |                                 
            
                599,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2014
             | 
            
                +0.20 / +0.69%
             |             
            
                28.70
             |           
            
                29.50
             |               
            
                28.60
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                5.86
             |                                 
            
                166,607
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2014
             | 
            
                -0.70 / -2.37%
             |             
            
                29.00
             |           
            
                30.40
             |               
            
                28.20
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                5.82
             |                                 
            
                149,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2014
             | 
            
                -0.50 / -1.67%
             |             
            
                28.50
             |           
            
                29.50
             |               
            
                28.10
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                5.96
             |                                 
            
                266,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2014
             | 
            
                -0.20 / -0.66%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                29.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                6.06
             |                                 
            
                317,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2014
             | 
            
                +2.70 / +9.82%
             |             
            
                28.00
             |           
            
                30.20
             |               
            
                28.00
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                6.10
             |                                 
            
                531,640
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2014
             | 
            
                +2.50 / +10.00%
             |             
            
                25.50
             |           
            
                27.50
             |               
            
                25.00
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                5.56
             |                                 
            
                766,507
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2014
             | 
            
                -0.50 / -1.96%
             |             
            
                25.00
             |           
            
                26.00
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                5.05
             |                                 
            
                194,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2014
             | 
            
                -0.10 / -0.39%
             |             
            
                25.30
             |           
            
                25.60
             |               
            
                25.00
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                5.15
             |                                 
            
                96,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |