| 
                 
                    Closing price on 2/14/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    58.20 | 
                 
                
                    | High | 
                    60.00 | 
                 
                
                    | Low | 
                    58.00 | 
                     
                
                    | Volume | 
                    44,820 | 
                                 
                
                    | Split-adjusted Price | 
                    42.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2017
             | 
            
                -1.90 / -3.02%
             |             
            
                63.40
             |           
            
                64.60
             |               
            
                61.00
             |                           
            
                61.10
             | 
            
                61.38
             |                     
            
                43.09
             |                                 
            
                5,490
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2017
             | 
            
                -0.50 / -0.79%
             |             
            
                63.40
             |           
            
                63.40
             |               
            
                62.00
             |                           
            
                63.00
             | 
            
                63.12
             |                     
            
                44.43
             |                                 
            
                2,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                63.00
             |           
            
                63.90
             |               
            
                62.00
             |                           
            
                63.50
             | 
            
                62.46
             |                     
            
                44.78
             |                                 
            
                3,330
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                63.90
             |           
            
                64.00
             |               
            
                62.50
             |                           
            
                63.50
             | 
            
                63.28
             |                     
            
                44.78
             |                                 
            
                7,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2017
             | 
            
                -0.10 / -0.16%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                63.00
             |                           
            
                63.50
             | 
            
                63.54
             |                     
            
                44.78
             |                                 
            
                4,580
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2017
             | 
            
                -0.40 / -0.63%
             |             
            
                64.00
             |           
            
                64.90
             |               
            
                63.60
             |                           
            
                63.60
             | 
            
                64.03
             |                     
            
                44.85
             |                                 
            
                3,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2017
             | 
            
                -0.50 / -0.78%
             |             
            
                64.40
             |           
            
                64.40
             |               
            
                63.90
             |                           
            
                64.00
             | 
            
                64.15
             |                     
            
                45.14
             |                                 
            
                1,590
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2017
             | 
            
                +1.50 / +2.38%
             |             
            
                63.70
             |           
            
                64.50
             |               
            
                62.70
             |                           
            
                64.50
             | 
            
                63.59
             |                     
            
                45.49
             |                                 
            
                4,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2017
             | 
            
                +0.30 / +0.48%
             |             
            
                63.00
             |           
            
                63.70
             |               
            
                62.50
             |                           
            
                63.00
             | 
            
                62.83
             |                     
            
                44.43
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2017
             | 
            
                -0.10 / -0.16%
             |             
            
                63.20
             |           
            
                64.80
             |               
            
                62.00
             |                           
            
                62.70
             | 
            
                62.39
             |                     
            
                44.22
             |                                 
            
                11,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2017
             | 
            
                -0.10 / -0.16%
             |             
            
                63.40
             |           
            
                63.40
             |               
            
                62.40
             |                           
            
                62.80
             | 
            
                62.49
             |                     
            
                44.29
             |                                 
            
                8,370
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2017
             | 
            
                +0.90 / +1.45%
             |             
            
                61.10
             |           
            
                64.80
             |               
            
                61.10
             |                           
            
                62.90
             | 
            
                62.41
             |                     
            
                44.36
             |                                 
            
                110,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                63.00
             |           
            
                66.00
             |               
            
                62.00
             |                           
            
                62.00
             | 
            
                62.22
             |                     
            
                43.73
             |                                 
            
                7,490
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                61.50
             |           
            
                62.90
             |               
            
                61.50
             |                           
            
                62.00
             | 
            
                62.04
             |                     
            
                43.73
             |                                 
            
                9,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2016
             | 
            
                +0.50 / +0.81%
             |             
            
                61.00
             |           
            
                62.50
             |               
            
                61.00
             |                           
            
                62.00
             | 
            
                61.75
             |                     
            
                43.73
             |                                 
            
                3,660
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2016
             | 
            
                -0.90 / -1.44%
             |             
            
                61.00
             |           
            
                61.80
             |               
            
                60.00
             |                           
            
                61.50
             | 
            
                60.45
             |                     
            
                43.37
             |                                 
            
                7,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2016
             | 
            
                +0.90 / +1.46%
             |             
            
                61.70
             |           
            
                62.40
             |               
            
                60.20
             |                           
            
                62.40
             | 
            
                61.71
             |                     
            
                44.01
             |                                 
            
                2,490
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2016
             | 
            
                -0.20 / -0.32%
             |             
            
                61.90
             |           
            
                63.50
             |               
            
                60.10
             |                           
            
                61.50
             | 
            
                60.87
             |                     
            
                43.37
             |                                 
            
                3,450
             |  
            
                 
             |                                                              
             
    
         
    
    
 |