| 
                 
                    Closing price on 11/11/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.30 | 
                 
                
                    | High | 
                    15.50 | 
                 
                
                    | Low | 
                    15.00 | 
                     
                
                    | Volume | 
                    85,570 | 
                                 
                
                    | Split-adjusted Price | 
                    5.29 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.30
             |           
            
                15.50
             |               
            
                15.00
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                5.29
             |                                 
            
                85,570
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2011
             | 
            
                -0.30 / -1.95%
             |             
            
                15.20
             |           
            
                15.30
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                5.29
             |                                 
            
                90,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2011
             | 
            
                +0.20 / +1.32%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.20
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                5.39
             |                                 
            
                143,040
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2011
             | 
            
                -0.40 / -2.56%
             |             
            
                15.40
             |           
            
                15.80
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                5.32
             |                                 
            
                77,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.30
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                5.46
             |                                 
            
                63,810
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                5.46
             |                                 
            
                65,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                5.46
             |                                 
            
                93,240
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2011
             | 
            
                -0.40 / -2.50%
             |             
            
                15.80
             |           
            
                16.30
             |               
            
                15.40
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                5.46
             |                                 
            
                320,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2011
             | 
            
                -0.20 / -1.23%
             |             
            
                16.20
             |           
            
                16.30
             |               
            
                15.90
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                5.60
             |                                 
            
                85,030
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2011
             | 
            
                -0.60 / -3.57%
             |             
            
                17.20
             |           
            
                17.20
             |               
            
                16.20
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                5.67
             |                                 
            
                343,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2011
             | 
            
                +0.70 / +4.35%
             |             
            
                16.40
             |           
            
                16.90
             |               
            
                16.10
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                5.88
             |                                 
            
                151,760
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2011
             | 
            
                -0.10 / -0.62%
             |             
            
                16.20
             |           
            
                16.30
             |               
            
                16.00
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                5.64
             |                                 
            
                43,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2011
             | 
            
                +0.20 / +1.25%
             |             
            
                16.10
             |           
            
                16.20
             |               
            
                15.90
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                5.67
             |                                 
            
                10,880
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2011
             | 
            
                -0.20 / -1.23%
             |             
            
                16.20
             |           
            
                16.30
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                5.60
             |                                 
            
                203,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2011
             | 
            
                +0.10 / +0.62%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                16.10
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                5.67
             |                                 
            
                89,250
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2011
             | 
            
                +0.30 / +1.90%
             |             
            
                16.10
             |           
            
                16.30
             |               
            
                15.80
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                5.64
             |                                 
            
                86,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2011
             | 
            
                +0.20 / +1.28%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.70
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                5.53
             |                                 
            
                29,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2011
             | 
            
                -0.20 / -1.27%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                5.46
             |                                 
            
                202,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2011
             | 
            
                -0.20 / -1.25%
             |             
            
                16.00
             |           
            
                16.30
             |               
            
                15.70
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                5.53
             |                                 
            
                137,040
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2011
             | 
            
                -0.50 / -3.03%
             |             
            
                16.50
             |           
            
                16.60
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                5.60
             |                                 
            
                121,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2011
             | 
            
                0.00 / 0.00%
             |             
            
                16.50
             |           
            
                16.90
             |               
            
                16.40
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                5.78
             |                                 
            
                116,890
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2011
             | 
            
                +0.40 / +2.48%
             |             
            
                16.50
             |           
            
                16.60
             |               
            
                16.10
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                5.78
             |                                 
            
                102,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2011
             | 
            
                -0.70 / -4.17%
             |             
            
                16.50
             |           
            
                16.60
             |               
            
                16.10
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                5.64
             |                                 
            
                155,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                16.70
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                5.88
             |                                 
            
                71,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2011
             | 
            
                +0.10 / +0.60%
             |             
            
                16.80
             |           
            
                17.10
             |               
            
                16.60
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                5.88
             |                                 
            
                153,330
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2011
             | 
            
                +0.40 / +2.45%
             |             
            
                16.70
             |           
            
                17.10
             |               
            
                16.60
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                5.85
             |                                 
            
                391,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2011
             | 
            
                +0.70 / +4.49%
             |             
            
                16.00
             |           
            
                16.30
             |               
            
                16.00
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                5.71
             |                                 
            
                264,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2011
             | 
            
                +0.10 / +0.65%
             |             
            
                15.90
             |           
            
                16.00
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                5.46
             |                                 
            
                85,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2011
             | 
            
                -0.10 / -0.64%
             |             
            
                15.60
             |           
            
                15.80
             |               
            
                15.20
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                5.43
             |                                 
            
                181,830
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2011
             | 
            
                -0.80 / -4.88%
             |             
            
                16.20
             |           
            
                16.40
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                5.46
             |                                 
            
                346,760
             |  
            
                 
             |                                                              
             
    
         
    
    
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