| 
                 
                    Closing price on 4/7/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    56.20 | 
                 
                
                    | High | 
                    56.30 | 
                 
                
                    | Low | 
                    55.50 | 
                     
                
                    | Volume | 
                    42,340 | 
                                 
                
                    | Split-adjusted Price | 
                    39.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/7/2017
             | 
            
                -0.40 / -0.72%
             |             
            
                56.20
             |           
            
                56.30
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.79
             |                     
            
                39.14
             |                                 
            
                42,340
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2017
             | 
            
                +0.90 / +1.64%
             |             
            
                55.00
             |           
            
                55.90
             |               
            
                55.00
             |                           
            
                55.90
             | 
            
                55.55
             |                     
            
                39.42
             |                                 
            
                100,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2017
             | 
            
                +0.70 / +1.29%
             |             
            
                54.10
             |           
            
                55.50
             |               
            
                54.10
             |                           
            
                55.00
             | 
            
                54.63
             |                     
            
                38.79
             |                                 
            
                75,650
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2017
             | 
            
                -0.60 / -1.09%
             |             
            
                54.90
             |           
            
                54.90
             |               
            
                54.00
             |                           
            
                54.30
             | 
            
                54.14
             |                     
            
                38.29
             |                                 
            
                30,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2017
             | 
            
                -0.10 / -0.18%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                53.90
             |                           
            
                54.90
             | 
            
                54.28
             |                     
            
                38.72
             |                                 
            
                48,210
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2017
             | 
            
                -1.00 / -1.79%
             |             
            
                56.20
             |           
            
                56.20
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.53
             |                     
            
                38.79
             |                                 
            
                49,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2017
             | 
            
                +2.90 / +5.46%
             |             
            
                54.00
             |           
            
                56.00
             |               
            
                53.50
             |                           
            
                56.00
             | 
            
                54.88
             |                     
            
                39.49
             |                                 
            
                167,430
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2017
             | 
            
                +0.10 / +0.19%
             |             
            
                53.00
             |           
            
                54.40
             |               
            
                53.00
             |                           
            
                53.10
             | 
            
                53.08
             |                     
            
                37.45
             |                                 
            
                46,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2017
             | 
            
                +0.20 / +0.38%
             |             
            
                52.50
             |           
            
                53.30
             |               
            
                52.50
             |                           
            
                53.00
             | 
            
                53.05
             |                     
            
                37.38
             |                                 
            
                50,460
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2017
             | 
            
                -0.50 / -0.94%
             |             
            
                54.30
             |           
            
                54.30
             |               
            
                52.80
             |                           
            
                52.80
             | 
            
                53.16
             |                     
            
                37.24
             |                                 
            
                21,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2017
             | 
            
                -0.20 / -0.37%
             |             
            
                53.90
             |           
            
                53.90
             |               
            
                53.00
             |                           
            
                53.30
             | 
            
                53.30
             |                     
            
                37.59
             |                                 
            
                21,650
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                53.50
             |           
            
                54.80
             |               
            
                53.40
             |                           
            
                53.50
             | 
            
                54.02
             |                     
            
                37.73
             |                                 
            
                62,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2017
             | 
            
                +0.40 / +0.75%
             |             
            
                53.80
             |           
            
                55.00
             |               
            
                53.20
             |                           
            
                53.50
             | 
            
                53.69
             |                     
            
                37.73
             |                                 
            
                39,470
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2017
             | 
            
                +0.20 / +0.38%
             |             
            
                53.30
             |           
            
                54.00
             |               
            
                52.50
             |                           
            
                53.10
             | 
            
                53.22
             |                     
            
                37.45
             |                                 
            
                70,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                53.00
             |           
            
                53.10
             |               
            
                52.20
             |                           
            
                52.90
             | 
            
                52.65
             |                     
            
                37.31
             |                                 
            
                67,620
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2017
             | 
            
                -0.40 / -0.75%
             |             
            
                53.40
             |           
            
                53.40
             |               
            
                52.20
             |                           
            
                53.00
             | 
            
                52.57
             |                     
            
                37.38
             |                                 
            
                36,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                53.00
             |           
            
                54.00
             |               
            
                52.70
             |                           
            
                53.40
             | 
            
                53.08
             |                     
            
                37.66
             |                                 
            
                12,340
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2017
             | 
            
                +0.90 / +1.71%
             |             
            
                54.50
             |           
            
                54.50
             |               
            
                52.00
             |                           
            
                53.50
             | 
            
                52.52
             |                     
            
                37.73
             |                                 
            
                12,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2017
             | 
            
                -3.40 / -6.07%
             |             
            
                56.00
             |           
            
                56.50
             |               
            
                52.50
             |                           
            
                52.60
             | 
            
                53.12
             |                     
            
                37.10
             |                                 
            
                50,850
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2017
             | 
            
                +0.10 / +0.18%
             |             
            
                55.90
             |           
            
                56.50
             |               
            
                55.90
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                39.49
             |                                 
            
                44,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2017
             | 
            
                +0.50 / +0.90%
             |             
            
                55.40
             |           
            
                56.50
             |               
            
                54.70
             |                           
            
                55.90
             | 
            
                55.62
             |                     
            
                39.42
             |                                 
            
                43,860
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2017
             | 
            
                +3.40 / +6.54%
             |             
            
                52.00
             |           
            
                55.60
             |               
            
                52.00
             |                           
            
                55.40
             | 
            
                54.92
             |                     
            
                39.07
             |                                 
            
                62,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2017
             | 
            
                +0.10 / +0.19%
             |             
            
                52.40
             |           
            
                52.40
             |               
            
                51.80
             |                           
            
                52.00
             | 
            
                51.98
             |                     
            
                36.67
             |                                 
            
                20,430
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2017
             | 
            
                -0.80 / -1.52%
             |             
            
                52.50
             |           
            
                52.50
             |               
            
                51.20
             |                           
            
                51.90
             | 
            
                51.78
             |                     
            
                36.60
             |                                 
            
                39,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2017
             | 
            
                -0.80 / -1.50%
             |             
            
                53.50
             |           
            
                54.80
             |               
            
                52.00
             |                           
            
                52.70
             | 
            
                52.26
             |                     
            
                37.17
             |                                 
            
                60,730
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2017
             | 
            
                -1.00 / -1.83%
             |             
            
                54.50
             |           
            
                56.50
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                54.32
             |                     
            
                37.73
             |                                 
            
                9,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2017
             | 
            
                0.00 / 0.00%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                54.00
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                38.44
             |                                 
            
                3,890
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                54.50
             |           
            
                55.40
             |               
            
                54.00
             |                           
            
                54.50
             | 
            
                54.55
             |                     
            
                38.44
             |                                 
            
                23,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2017
             | 
            
                +0.50 / +0.93%
             |             
            
                54.00
             |           
            
                56.80
             |               
            
                53.50
             |                           
            
                54.50
             | 
            
                54.34
             |                     
            
                38.44
             |                                 
            
                13,930
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2017
             | 
            
                -1.30 / -2.35%
             |             
            
                55.10
             |           
            
                55.20
             |               
            
                53.80
             |                           
            
                54.00
             | 
            
                54.42
             |                     
            
                38.08
             |                                 
            
                25,340
             |  
            
                 
             |                                                              
             
    
         
    
    
 |