| 
                 
                    Closing price on 9/29/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.30 | 
                 
                
                    | High | 
                    30.60 | 
                 
                
                    | Low | 
                    29.30 | 
                     
                
                    | Volume | 
                    232,500 | 
                                 
                
                    | Split-adjusted Price | 
                    7.36 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/29/2010
             | 
            
                -1.10 / -3.59%
             |             
            
                30.30
             |           
            
                30.60
             |               
            
                29.30
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                7.36
             |                                 
            
                232,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2010
             | 
            
                +0.60 / +2.00%
             |             
            
                31.10
             |           
            
                31.10
             |               
            
                30.00
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                7.63
             |                                 
            
                163,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2010
             | 
            
                -0.80 / -2.60%
             |             
            
                30.80
             |           
            
                30.90
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                7.48
             |                                 
            
                126,060
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2010
             | 
            
                +0.10 / +0.33%
             |             
            
                30.70
             |           
            
                31.20
             |               
            
                30.50
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                7.68
             |                                 
            
                82,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2010
             | 
            
                +0.40 / +1.32%
             |             
            
                30.20
             |           
            
                31.30
             |               
            
                29.90
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                7.66
             |                                 
            
                234,240
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2010
             | 
            
                -1.50 / -4.72%
             |             
            
                30.90
             |           
            
                31.80
             |               
            
                30.20
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                7.56
             |                                 
            
                224,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2010
             | 
            
                +1.20 / +3.92%
             |             
            
                30.60
             |           
            
                32.10
             |               
            
                30.10
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                7.68
             |                                 
            
                689,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2010
             | 
            
                +1.40 / +4.79%
             |             
            
                30.60
             |           
            
                30.60
             |               
            
                30.60
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                7.39
             |                                 
            
                167,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2010
             | 
            
                +1.30 / +4.66%
             |             
            
                29.10
             |           
            
                29.20
             |               
            
                29.10
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                7.05
             |                                 
            
                96,610
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2010
             | 
            
                0.00 / 0.00%
             |             
            
                27.60
             |           
            
                28.30
             |               
            
                27.20
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                6.74
             |                                 
            
                90,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2010
             | 
            
                -1.10 / -3.79%
             |             
            
                29.20
             |           
            
                29.20
             |               
            
                27.90
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                6.74
             |                                 
            
                170,780
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2010
             | 
            
                0.00 / 0.00%
             |             
            
                29.90
             |           
            
                29.90
             |               
            
                27.80
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                7.01
             |                                 
            
                234,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2010
             | 
            
                -1.50 / -4.92%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                7.01
             |                                 
            
                153,960
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2010
             | 
            
                -1.60 / -4.98%
             |             
            
                32.10
             |           
            
                32.30
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                7.37
             |                                 
            
                302,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2010
             | 
            
                +0.40 / +1.26%
             |             
            
                32.80
             |           
            
                33.20
             |               
            
                31.60
             |                           
            
                32.10
             | 
            
                32.10
             |                     
            
                7.75
             |                                 
            
                260,630
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2010
             | 
            
                -0.60 / -1.86%
             |             
            
                31.20
             |           
            
                32.10
             |               
            
                30.80
             |                           
            
                31.70
             | 
            
                31.70
             |                     
            
                7.66
             |                                 
            
                408,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2010
             | 
            
                +1.50 / +4.87%
             |             
            
                32.30
             |           
            
                32.30
             |               
            
                31.10
             |                           
            
                32.30
             | 
            
                32.30
             |                     
            
                7.80
             |                                 
            
                378,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2010
             | 
            
                +1.40 / +4.76%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                7.44
             |                                 
            
                146,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2010
             | 
            
                +1.40 / +5.00%
             |             
            
                29.00
             |           
            
                29.40
             |               
            
                28.50
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                7.10
             |                                 
            
                287,840
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2010
             | 
            
                +1.30 / +4.87%
             |             
            
                27.50
             |           
            
                28.00
             |               
            
                26.80
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                6.76
             |                                 
            
                509,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2010
             | 
            
                +1.20 / +4.71%
             |             
            
                26.70
             |           
            
                26.70
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                6.45
             |                                 
            
                27,590
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2010
             | 
            
                +1.20 / +4.94%
             |             
            
                23.60
             |           
            
                25.50
             |               
            
                23.10
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                6.16
             |                                 
            
                325,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2010
             | 
            
                -1.10 / -4.33%
             |             
            
                25.40
             |           
            
                25.70
             |               
            
                24.20
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                5.87
             |                                 
            
                197,130
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2010
             | 
            
                -1.30 / -4.87%
             |             
            
                25.50
             |           
            
                25.70
             |               
            
                25.40
             |                           
            
                25.40
             | 
            
                25.40
             |                     
            
                6.14
             |                                 
            
                161,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2010
             | 
            
                -1.40 / -4.98%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                6.45
             |                                 
            
                157,610
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2010
             | 
            
                -1.40 / -4.75%
             |             
            
                28.60
             |           
            
                29.00
             |               
            
                28.10
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                6.79
             |                                 
            
                122,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2010
             | 
            
                -0.10 / -0.34%
             |             
            
                29.90
             |           
            
                29.90
             |               
            
                28.20
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                7.13
             |                                 
            
                152,050
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2010
             | 
            
                -1.20 / -3.90%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                29.60
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                7.15
             |                                 
            
                139,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2010
             | 
            
                -1.20 / -3.75%
             |             
            
                31.10
             |           
            
                31.40
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                7.44
             |                                 
            
                126,980
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2010
             | 
            
                -0.30 / -0.93%
             |             
            
                32.30
             |           
            
                32.30
             |               
            
                31.10
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                7.73
             |                                 
            
                113,950
             |  
            
                 
             |                                                              
             
    
         
    
    
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