| 
                 
                    Closing price on 6/21/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    24.00 | 
                 
                
                    | High | 
                    24.50 | 
                 
                
                    | Low | 
                    24.00 | 
                     
                
                    | Volume | 
                    32,550 | 
                                 
                
                    | Split-adjusted Price | 
                    10.37 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/21/2013
             | 
            
                +0.10 / +0.41%
             |             
            
                24.00
             |           
            
                24.50
             |               
            
                24.00
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                10.37
             |                                 
            
                32,550
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2013
             | 
            
                -0.30 / -1.21%
             |             
            
                24.70
             |           
            
                24.70
             |               
            
                24.10
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                10.33
             |                                 
            
                65,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.90
             |           
            
                24.90
             |               
            
                24.60
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                10.45
             |                                 
            
                22,130
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2013
             | 
            
                +0.10 / +0.41%
             |             
            
                24.60
             |           
            
                24.90
             |               
            
                24.50
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                10.45
             |                                 
            
                30,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2013
             | 
            
                -0.50 / -1.99%
             |             
            
                25.10
             |           
            
                25.50
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                10.41
             |                                 
            
                78,640
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2013
             | 
            
                +0.40 / +1.62%
             |             
            
                25.10
             |           
            
                25.30
             |               
            
                24.80
             |                           
            
                25.10
             | 
            
                25.10
             |                     
            
                10.62
             |                                 
            
                121,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.70
             |           
            
                25.00
             |               
            
                24.70
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                10.45
             |                                 
            
                55,380
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2013
             | 
            
                +0.10 / +0.41%
             |             
            
                24.60
             |           
            
                25.90
             |               
            
                24.50
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                10.45
             |                                 
            
                47,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2013
             | 
            
                -0.20 / -0.81%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                10.41
             |                                 
            
                21,530
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2013
             | 
            
                +0.20 / +0.81%
             |             
            
                24.80
             |           
            
                25.30
             |               
            
                24.60
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                10.50
             |                                 
            
                69,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2013
             | 
            
                -0.20 / -0.81%
             |             
            
                25.20
             |           
            
                25.30
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                10.20
             |                                 
            
                123,910
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2013
             | 
            
                -0.20 / -0.80%
             |             
            
                25.00
             |           
            
                25.10
             |               
            
                24.60
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                10.28
             |                                 
            
                70,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2013
             | 
            
                +0.20 / +0.81%
             |             
            
                24.80
             |           
            
                25.10
             |               
            
                24.80
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                10.37
             |                                 
            
                48,840
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2013
             | 
            
                -0.60 / -2.36%
             |             
            
                25.70
             |           
            
                25.70
             |               
            
                24.80
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                10.28
             |                                 
            
                95,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2013
             | 
            
                -0.40 / -1.55%
             |             
            
                25.40
             |           
            
                25.90
             |               
            
                25.40
             |                           
            
                25.40
             | 
            
                25.40
             |                     
            
                10.53
             |                                 
            
                65,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2013
             | 
            
                -0.30 / -1.15%
             |             
            
                26.50
             |           
            
                26.70
             |               
            
                25.70
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                10.70
             |                                 
            
                103,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2013
             | 
            
                +0.60 / +2.35%
             |             
            
                25.50
             |           
            
                26.10
             |               
            
                25.30
             |                           
            
                26.10
             | 
            
                26.10
             |                     
            
                10.82
             |                                 
            
                161,330
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2013
             | 
            
                +0.50 / +2.00%
             |             
            
                25.00
             |           
            
                25.80
             |               
            
                24.90
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                10.57
             |                                 
            
                163,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.10
             |               
            
                24.60
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                10.37
             |                                 
            
                103,570
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2013
             | 
            
                +0.60 / +2.46%
             |             
            
                24.70
             |           
            
                25.20
             |               
            
                24.70
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                10.37
             |                                 
            
                145,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                25.10
             |           
            
                25.10
             |               
            
                24.20
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                10.12
             |                                 
            
                65,360
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2013
             | 
            
                -0.80 / -3.17%
             |             
            
                25.80
             |           
            
                25.80
             |               
            
                24.40
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                10.12
             |                                 
            
                190,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2013
             | 
            
                -0.40 / -1.56%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                25.20
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                10.45
             |                                 
            
                179,240
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2013
             | 
            
                +0.30 / +1.19%
             |             
            
                25.20
             |           
            
                26.00
             |               
            
                25.20
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                10.61
             |                                 
            
                119,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2013
             | 
            
                +0.40 / +1.61%
             |             
            
                24.90
             |           
            
                25.40
             |               
            
                24.50
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                10.49
             |                                 
            
                65,740
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2013
             | 
            
                +1.20 / +5.06%
             |             
            
                24.20
             |           
            
                25.20
             |               
            
                24.20
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                10.32
             |                                 
            
                207,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2013
             | 
            
                -0.10 / -0.42%
             |             
            
                23.50
             |           
            
                23.90
             |               
            
                23.20
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                9.83
             |                                 
            
                36,760
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                23.20
             |           
            
                23.80
             |               
            
                23.00
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                9.87
             |                                 
            
                43,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2013
             | 
            
                -0.10 / -0.42%
             |             
            
                24.40
             |           
            
                24.40
             |               
            
                23.00
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                9.87
             |                                 
            
                46,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2013
             | 
            
                -0.10 / -0.42%
             |             
            
                24.00
             |           
            
                24.20
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                9.91
             |                                 
            
                18,620
             |  
            
                 
             |                                                              
             
    
         
    
    
 |