| 
                 
                    Closing price on 3/10/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    55.90 | 
                 
                
                    | High | 
                    56.50 | 
                 
                
                    | Low | 
                    55.90 | 
                     
                
                    | Volume | 
                    44,910 | 
                                 
                
                    | Split-adjusted Price | 
                    39.49 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2017
             | 
            
                -0.70 / -1.25%
             |             
            
                56.00
             |           
            
                56.80
             |               
            
                55.20
             |                           
            
                55.30
             | 
            
                55.46
             |                     
            
                39.00
             |                                 
            
                27,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2017
             | 
            
                -1.50 / -2.61%
             |             
            
                57.10
             |           
            
                57.10
             |               
            
                55.80
             |                           
            
                56.00
             | 
            
                56.16
             |                     
            
                39.49
             |                                 
            
                50,360
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2017
             | 
            
                -0.50 / -0.86%
             |             
            
                58.00
             |           
            
                59.00
             |               
            
                56.50
             |                           
            
                57.50
             | 
            
                57.44
             |                     
            
                40.55
             |                                 
            
                12,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2017
             | 
            
                +3.10 / +5.65%
             |             
            
                54.90
             |           
            
                58.70
             |               
            
                54.20
             |                           
            
                58.00
             | 
            
                55.17
             |                     
            
                40.90
             |                                 
            
                69,080
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2017
             | 
            
                -3.50 / -5.99%
             |             
            
                55.00
             |           
            
                57.90
             |               
            
                54.60
             |                           
            
                54.90
             | 
            
                55.20
             |                     
            
                38.72
             |                                 
            
                94,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2017
             | 
            
                -0.60 / -1.02%
             |             
            
                58.00
             |           
            
                59.20
             |               
            
                57.50
             |                           
            
                58.40
             | 
            
                57.74
             |                     
            
                41.19
             |                                 
            
                23,520
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2017
             | 
            
                -0.70 / -1.17%
             |             
            
                59.70
             |           
            
                59.70
             |               
            
                58.70
             |                           
            
                59.00
             | 
            
                59.03
             |                     
            
                41.61
             |                                 
            
                19,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2017
             | 
            
                +2.10 / +3.65%
             |             
            
                58.20
             |           
            
                60.00
             |               
            
                58.00
             |                           
            
                59.70
             | 
            
                59.48
             |                     
            
                42.10
             |                                 
            
                44,820
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2017
             | 
            
                +3.60 / +6.67%
             |             
            
                54.00
             |           
            
                57.60
             |               
            
                54.00
             |                           
            
                57.60
             | 
            
                56.72
             |                     
            
                40.62
             |                                 
            
                112,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2017
             | 
            
                -1.00 / -1.82%
             |             
            
                54.60
             |           
            
                55.80
             |               
            
                53.10
             |                           
            
                54.00
             | 
            
                54.33
             |                     
            
                38.08
             |                                 
            
                52,640
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2017
             | 
            
                -1.00 / -1.79%
             |             
            
                54.60
             |           
            
                55.80
             |               
            
                54.60
             |                           
            
                55.00
             | 
            
                54.84
             |                     
            
                38.79
             |                                 
            
                19,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2017
             | 
            
                -0.80 / -1.41%
             |             
            
                56.60
             |           
            
                56.60
             |               
            
                54.50
             |                           
            
                56.00
             | 
            
                55.09
             |                     
            
                39.49
             |                                 
            
                35,430
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                56.80
             |           
            
                57.00
             |               
            
                55.00
             |                           
            
                56.80
             | 
            
                55.99
             |                     
            
                40.06
             |                                 
            
                11,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2017
             | 
            
                +2.30 / +4.22%
             |             
            
                56.00
             |           
            
                58.00
             |               
            
                55.00
             |                           
            
                56.80
             | 
            
                55.92
             |                     
            
                40.06
             |                                 
            
                59,140
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2017
             | 
            
                -4.10 / -7.00%
             |             
            
                57.00
             |           
            
                58.50
             |               
            
                54.50
             |                           
            
                54.50
             | 
            
                55.44
             |                     
            
                38.44
             |                                 
            
                121,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2017
             | 
            
                -0.90 / -1.51%
             |             
            
                59.00
             |           
            
                59.40
             |               
            
                57.50
             |                           
            
                58.60
             | 
            
                58.08
             |                     
            
                41.33
             |                                 
            
                19,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2017
             | 
            
                -1.50 / -2.46%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                59.50
             |                           
            
                59.50
             | 
            
                60.16
             |                     
            
                41.96
             |                                 
            
                13,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2017
             | 
            
                -0.10 / -0.16%
             |             
            
                61.10
             |           
            
                62.90
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.31
             |                     
            
                43.02
             |                                 
            
                12,330
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                61.10
             |                           
            
                61.10
             | 
            
                61.41
             |                     
            
                43.09
             |                                 
            
                4,950
             |  
            
                 
             |                                                              
             
    
         
    
    
 |