| 
                 
                    Closing price on 12/7/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.40 | 
                 
                
                    | High | 
                    14.50 | 
                 
                
                    | Low | 
                    14.10 | 
                     
                
                    | Volume | 
                    109,460 | 
                                 
                
                    | Split-adjusted Price | 
                    5.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.40
             |           
            
                14.50
             |               
            
                14.10
             |                           
            
                14.30
             | 
            
                14.30
             |                     
            
                5.01
             |                                 
            
                109,460
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2011
             | 
            
                -0.60 / -4.03%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                14.30
             |                           
            
                14.30
             | 
            
                14.30
             |                     
            
                5.01
             |                                 
            
                47,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2011
             | 
            
                +0.70 / +4.93%
             |             
            
                14.60
             |           
            
                14.90
             |               
            
                14.40
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                5.22
             |                                 
            
                141,790
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                14.10
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                4.97
             |                                 
            
                18,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2011
             | 
            
                +0.30 / +2.16%
             |             
            
                14.00
             |           
            
                14.30
             |               
            
                14.00
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                4.97
             |                                 
            
                49,980
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2011
             | 
            
                -0.10 / -0.71%
             |             
            
                14.00
             |           
            
                14.10
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                4.87
             |                                 
            
                127,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                4.90
             |                                 
            
                66,790
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2011
             | 
            
                +0.10 / +0.72%
             |             
            
                14.30
             |           
            
                14.40
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                4.90
             |                                 
            
                181,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2011
             | 
            
                -0.30 / -2.11%
             |             
            
                14.00
             |           
            
                14.30
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                4.87
             |                                 
            
                112,010
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2011
             | 
            
                -0.10 / -0.70%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                4.97
             |                                 
            
                84,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2011
             | 
            
                +0.30 / +2.14%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                14.20
             |                           
            
                14.30
             | 
            
                14.30
             |                     
            
                5.01
             |                                 
            
                30,570
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.30
             |               
            
                13.90
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                4.90
             |                                 
            
                52,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.20
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                4.90
             |                                 
            
                74,610
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2011
             | 
            
                -0.50 / -3.45%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                4.90
             |                                 
            
                157,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2011
             | 
            
                -0.40 / -2.68%
             |             
            
                14.80
             |           
            
                15.30
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                5.08
             |                                 
            
                90,570
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2011
             | 
            
                +0.40 / +2.76%
             |             
            
                14.90
             |           
            
                15.00
             |               
            
                14.60
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                5.22
             |                                 
            
                67,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2011
             | 
            
                -0.40 / -2.68%
             |             
            
                15.00
             |           
            
                15.10
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                5.08
             |                                 
            
                120,590
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2011
             | 
            
                -0.20 / -1.32%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                14.80
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                5.22
             |                                 
            
                102,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
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