| 
                 
                    Closing price on 11/22/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    17.70 | 
                 
                
                    | High | 
                    17.90 | 
                 
                
                    | Low | 
                    17.30 | 
                     
                
                    | Volume | 
                    42,370 | 
                                 
                
                    | Split-adjusted Price | 
                    7.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/22/2012
             | 
            
                -0.10 / -0.57%
             |             
            
                17.70
             |           
            
                17.90
             |               
            
                17.30
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                7.09
             |                                 
            
                42,370
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2012
             | 
            
                +0.80 / +4.76%
             |             
            
                17.50
             |           
            
                17.60
             |               
            
                17.40
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                7.13
             |                                 
            
                268,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2012
             | 
            
                +0.80 / +5.00%
             |             
            
                16.30
             |           
            
                16.80
             |               
            
                16.30
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                6.81
             |                                 
            
                128,650
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2012
             | 
            
                -0.10 / -0.62%
             |             
            
                16.00
             |           
            
                16.20
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                6.49
             |                                 
            
                24,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2012
             | 
            
                +0.10 / +0.63%
             |             
            
                16.10
             |           
            
                16.20
             |               
            
                16.10
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                6.53
             |                                 
            
                13,160
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2012
             | 
            
                +0.10 / +0.63%
             |             
            
                15.90
             |           
            
                16.30
             |               
            
                15.90
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                6.49
             |                                 
            
                44,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2012
             | 
            
                -0.40 / -2.45%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                6.44
             |                                 
            
                3,410
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2012
             | 
            
                -0.10 / -0.61%
             |             
            
                16.00
             |           
            
                16.40
             |               
            
                16.00
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                6.61
             |                                 
            
                40,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2012
             | 
            
                +0.50 / +3.14%
             |             
            
                16.30
             |           
            
                16.50
             |               
            
                16.00
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                6.65
             |                                 
            
                36,870
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                15.80
             |           
            
                15.90
             |               
            
                15.70
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                6.44
             |                                 
            
                19,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2012
             | 
            
                -0.30 / -1.85%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                6.44
             |                                 
            
                7,710
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2012
             | 
            
                +0.60 / +3.85%
             |             
            
                15.60
             |           
            
                16.20
             |               
            
                15.60
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                6.57
             |                                 
            
                15,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2012
             | 
            
                +0.10 / +0.65%
             |             
            
                15.50
             |           
            
                15.60
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                6.32
             |                                 
            
                13,910
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                15.40
             |           
            
                15.80
             |               
            
                15.40
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                6.28
             |                                 
            
                17,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2012
             | 
            
                -0.70 / -4.32%
             |             
            
                15.80
             |           
            
                15.90
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                6.28
             |                                 
            
                75,390
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2012
             | 
            
                +0.10 / +0.62%
             |             
            
                16.10
             |           
            
                16.50
             |               
            
                16.10
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                6.57
             |                                 
            
                6,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2012
             | 
            
                +0.10 / +0.63%
             |             
            
                16.00
             |           
            
                16.20
             |               
            
                16.00
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                6.53
             |                                 
            
                19,060
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2012
             | 
            
                -0.20 / -1.23%
             |             
            
                16.30
             |           
            
                16.30
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                6.49
             |                                 
            
                28,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2012
             | 
            
                -0.30 / -1.82%
             |             
            
                16.40
             |           
            
                16.50
             |               
            
                16.20
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                6.57
             |                                 
            
                10,280
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2012
             | 
            
                +0.20 / +1.23%
             |             
            
                16.30
             |           
            
                16.60
             |               
            
                16.30
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                6.69
             |                                 
            
                6,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2012
             | 
            
                0.00 / 0.00%
             |             
            
                16.30
             |           
            
                16.30
             |               
            
                16.10
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                6.61
             |                                 
            
                13,210
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2012
             | 
            
                +0.10 / +0.62%
             |             
            
                16.20
             |           
            
                16.40
             |               
            
                16.20
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                6.61
             |                                 
            
                40,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2012
             | 
            
                -0.30 / -1.82%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                16.20
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                6.57
             |                                 
            
                9,180
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2012
             | 
            
                -0.30 / -1.79%
             |             
            
                16.30
             |           
            
                16.50
             |               
            
                16.20
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                6.69
             |                                 
            
                38,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2012
             | 
            
                -0.10 / -0.59%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.20
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                6.81
             |                                 
            
                17,260
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2012
             | 
            
                -0.40 / -2.31%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                16.80
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                6.85
             |                                 
            
                28,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2012
             | 
            
                +0.10 / +0.58%
             |             
            
                17.60
             |           
            
                17.60
             |               
            
                16.50
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                7.01
             |                                 
            
                63,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2012
             | 
            
                +0.80 / +4.88%
             |             
            
                16.80
             |           
            
                17.20
             |               
            
                16.80
             |                           
            
                17.20
             | 
            
                17.20
             |                     
            
                6.97
             |                                 
            
                57,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2012
             | 
            
                -0.60 / -3.53%
             |             
            
                16.70
             |           
            
                17.10
             |               
            
                16.40
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                6.65
             |                                 
            
                41,740
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2012
             | 
            
                -0.50 / -2.86%
             |             
            
                17.50
             |           
            
                17.60
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                6.89
             |                                 
            
                15,880
             |  
            
                 
             |                                                              
             
    
         
    
    
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