| 
                 
                    Closing price on 10/11/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    17.40 | 
                 
                
                    | High | 
                    17.90 | 
                 
                
                    | Low | 
                    17.10 | 
                     
                
                    | Volume | 
                    79,780 | 
                                 
                
                    | Split-adjusted Price | 
                    7.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/11/2012
             | 
            
                +0.40 / +2.34%
             |             
            
                17.40
             |           
            
                17.90
             |               
            
                17.10
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                7.09
             |                                 
            
                79,780
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2012
             | 
            
                +0.80 / +4.91%
             |             
            
                16.30
             |           
            
                17.10
             |               
            
                16.20
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                6.93
             |                                 
            
                116,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                16.20
             |           
            
                16.70
             |               
            
                16.20
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                6.61
             |                                 
            
                10,730
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2012
             | 
            
                +0.50 / +3.16%
             |             
            
                16.20
             |           
            
                16.30
             |               
            
                16.00
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                6.61
             |                                 
            
                37,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2012
             | 
            
                +0.10 / +0.64%
             |             
            
                15.80
             |           
            
                15.90
             |               
            
                15.70
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                6.40
             |                                 
            
                16,710
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2012
             | 
            
                -0.20 / -1.26%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.70
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                6.36
             |                                 
            
                94,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2012
             | 
            
                +0.30 / +1.92%
             |             
            
                15.70
             |           
            
                16.10
             |               
            
                15.60
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                6.44
             |                                 
            
                24,910
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2012
             | 
            
                +0.10 / +0.65%
             |             
            
                15.50
             |           
            
                15.60
             |               
            
                15.40
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                6.32
             |                                 
            
                1,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2012
             | 
            
                -0.20 / -1.27%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                6.28
             |                                 
            
                53,980
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2012
             | 
            
                -0.10 / -0.63%
             |             
            
                15.80
             |           
            
                15.90
             |               
            
                15.70
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                6.36
             |                                 
            
                45,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2012
             | 
            
                -0.20 / -1.25%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.70
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                6.40
             |                                 
            
                5,610
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2012
             | 
            
                +0.30 / +1.91%
             |             
            
                15.90
             |           
            
                16.00
             |               
            
                15.80
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                6.49
             |                                 
            
                113,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2012
             | 
            
                +0.10 / +0.64%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.70
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                6.36
             |                                 
            
                7,060
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2012
             | 
            
                -0.30 / -1.89%
             |             
            
                15.60
             |           
            
                15.90
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                6.32
             |                                 
            
                14,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2012
             | 
            
                +0.20 / +1.27%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.60
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                6.44
             |                                 
            
                10,930
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                15.30
             |           
            
                15.70
             |               
            
                15.20
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                6.36
             |                                 
            
                26,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2012
             | 
            
                -0.10 / -0.63%
             |             
            
                15.20
             |           
            
                15.90
             |               
            
                15.20
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                6.36
             |                                 
            
                119,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2012
             | 
            
                -0.70 / -4.24%
             |             
            
                16.60
             |           
            
                16.60
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                6.40
             |                                 
            
                46,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2012
             | 
            
                -0.10 / -0.60%
             |             
            
                16.60
             |           
            
                16.80
             |               
            
                16.10
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                6.69
             |                                 
            
                38,510
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2012
             | 
            
                +0.60 / +3.75%
             |             
            
                16.80
             |           
            
                16.80
             |               
            
                16.50
             |                           
            
                16.60
             | 
            
                16.60
             |                     
            
                6.73
             |                                 
            
                101,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2012
             | 
            
                +0.40 / +2.56%
             |             
            
                15.50
             |           
            
                16.00
             |               
            
                15.50
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                6.49
             |                                 
            
                26,610
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2012
             | 
            
                -0.60 / -3.70%
             |             
            
                16.40
             |           
            
                16.60
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                6.32
             |                                 
            
                95,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                15.80
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                6.57
             |                                 
            
                253,560
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2012
             | 
            
                -0.40 / -2.41%
             |             
            
                16.60
             |           
            
                16.60
             |               
            
                16.20
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                6.57
             |                                 
            
                782,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2012
             | 
            
                -0.10 / -0.60%
             |             
            
                16.80
             |           
            
                16.90
             |               
            
                16.50
             |                           
            
                16.60
             | 
            
                16.60
             |                     
            
                6.73
             |                                 
            
                37,230
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2012
             | 
            
                +0.40 / +2.45%
             |             
            
                16.30
             |           
            
                17.10
             |               
            
                16.30
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                6.77
             |                                 
            
                114,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2012
             | 
            
                -0.70 / -4.12%
             |             
            
                16.70
             |           
            
                16.70
             |               
            
                16.20
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                6.61
             |                                 
            
                40,240
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2012
             | 
            
                +0.30 / +1.80%
             |             
            
                16.30
             |           
            
                17.00
             |               
            
                16.30
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                6.89
             |                                 
            
                11,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2012
             | 
            
                -0.20 / -1.18%
             |             
            
                16.80
             |           
            
                16.80
             |               
            
                16.50
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                6.77
             |                                 
            
                18,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2012
             | 
            
                +0.40 / +2.42%
             |             
            
                16.50
             |           
            
                16.90
             |               
            
                16.50
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                6.85
             |                                 
            
                27,860
             |  
            
                 
             |                                                              
             
    
         
    
    
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