| 
                 
                    Closing price on 9/29/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    22.00 | 
                 
                
                    | High | 
                    22.10 | 
                 
                
                    | Low | 
                    21.60 | 
                     
                
                    | Volume | 
                    358,560 | 
                                 
                
                    | Split-adjusted Price | 
                    5.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/29/2009
             | 
            
                +0.20 / +0.93%
             |             
            
                22.00
             |           
            
                22.10
             |               
            
                21.60
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                5.20
             |                                 
            
                358,560
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2009
             | 
            
                -0.80 / -3.57%
             |             
            
                22.10
             |           
            
                22.50
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                5.15
             |                                 
            
                393,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2009
             | 
            
                0.00 / 0.00%
             |             
            
                21.90
             |           
            
                22.80
             |               
            
                21.90
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                5.34
             |                                 
            
                282,810
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2009
             | 
            
                -1.10 / -4.68%
             |             
            
                22.80
             |           
            
                23.30
             |               
            
                22.40
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                5.34
             |                                 
            
                440,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2009
             | 
            
                0.00 / 0.00%
             |             
            
                24.60
             |           
            
                24.60
             |               
            
                23.40
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                5.61
             |                                 
            
                530,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2009
             | 
            
                +1.10 / +4.91%
             |             
            
                22.10
             |           
            
                23.50
             |               
            
                22.10
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                5.61
             |                                 
            
                899,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2009
             | 
            
                +0.80 / +3.70%
             |             
            
                21.60
             |           
            
                22.60
             |               
            
                21.50
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                5.34
             |                                 
            
                480,530
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2009
             | 
            
                -0.10 / -0.46%
             |             
            
                21.00
             |           
            
                21.70
             |               
            
                20.90
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                5.15
             |                                 
            
                357,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2009
             | 
            
                -0.60 / -2.69%
             |             
            
                22.00
             |           
            
                22.30
             |               
            
                21.50
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                5.18
             |                                 
            
                459,830
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2009
             | 
            
                +1.00 / +4.69%
             |             
            
                22.20
             |           
            
                22.30
             |               
            
                21.50
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                5.32
             |                                 
            
                1,052,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2009
             | 
            
                +1.00 / +4.93%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                20.80
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                5.08
             |                                 
            
                790,720
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2009
             | 
            
                +0.90 / +4.64%
             |             
            
                19.60
             |           
            
                20.30
             |               
            
                19.60
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                4.84
             |                                 
            
                322,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2009
             | 
            
                +0.30 / +1.57%
             |             
            
                19.30
             |           
            
                19.50
             |               
            
                19.10
             |                           
            
                19.40
             | 
            
                19.40
             |                     
            
                4.63
             |                                 
            
                318,690
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2009
             | 
            
                +0.10 / +0.53%
             |             
            
                19.10
             |           
            
                19.20
             |               
            
                18.90
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                4.56
             |                                 
            
                300,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2009
             | 
            
                +0.40 / +2.15%
             |             
            
                18.70
             |           
            
                19.00
             |               
            
                18.30
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                4.53
             |                                 
            
                250,410
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2009
             | 
            
                +0.50 / +2.76%
             |             
            
                18.80
             |           
            
                18.80
             |               
            
                18.30
             |                           
            
                18.60
             | 
            
                18.60
             |                     
            
                4.44
             |                                 
            
                261,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2009
             | 
            
                -0.30 / -1.63%
             |             
            
                18.30
             |           
            
                18.30
             |               
            
                17.70
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                4.32
             |                                 
            
                182,070
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2009
             | 
            
                0.00 / 0.00%
             |             
            
                18.90
             |           
            
                18.90
             |               
            
                18.30
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                4.39
             |                                 
            
                322,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2009
             | 
            
                -0.40 / -2.13%
             |             
            
                18.20
             |           
            
                18.80
             |               
            
                18.20
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                4.39
             |                                 
            
                208,090
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2009
             | 
            
                -0.20 / -1.05%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.60
             |                           
            
                18.80
             | 
            
                18.80
             |                     
            
                4.49
             |                                 
            
                231,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2009
             | 
            
                -0.10 / -0.52%
             |             
            
                19.30
             |           
            
                19.40
             |               
            
                18.80
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                4.53
             |                                 
            
                379,860
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2009
             | 
            
                0.00 / 0.00%
             |             
            
                19.10
             |           
            
                19.30
             |               
            
                18.90
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                4.56
             |                                 
            
                238,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2009
             | 
            
                +0.70 / +3.80%
             |             
            
                18.30
             |           
            
                19.30
             |               
            
                18.30
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                4.56
             |                                 
            
                258,880
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2009
             | 
            
                0.00 / 0.00%
             |             
            
                18.50
             |           
            
                19.00
             |               
            
                18.30
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                4.39
             |                                 
            
                191,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2009
             | 
            
                -0.40 / -2.13%
             |             
            
                18.30
             |           
            
                18.40
             |               
            
                17.90
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                4.39
             |                                 
            
                496,310
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2009
             | 
            
                -0.80 / -4.08%
             |             
            
                19.20
             |           
            
                19.60
             |               
            
                18.80
             |                           
            
                18.80
             | 
            
                18.80
             |                     
            
                4.49
             |                                 
            
                338,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2009
             | 
            
                +0.90 / +4.81%
             |             
            
                19.60
             |           
            
                19.60
             |               
            
                18.70
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                4.68
             |                                 
            
                720,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2009
             | 
            
                +0.80 / +4.47%
             |             
            
                18.70
             |           
            
                18.70
             |               
            
                18.10
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                4.46
             |                                 
            
                508,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2009
             | 
            
                +0.80 / +4.68%
             |             
            
                17.10
             |           
            
                17.90
             |               
            
                17.00
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                4.27
             |                                 
            
                486,660
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2009
             | 
            
                0.00 / 0.00%
             |             
            
                17.10
             |           
            
                17.20
             |               
            
                16.90
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                4.08
             |                                 
            
                124,730
             |  
            
                 
             |                                                              
             
    
         
    
    
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