| 
                 
                    Closing price on 4/5/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.70 | 
                 
                
                    | High | 
                    21.70 | 
                 
                
                    | Low | 
                    21.20 | 
                     
                
                    | Volume | 
                    104,110 | 
                                 
                
                    | Split-adjusted Price | 
                    8.96 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/5/2013
             | 
            
                +0.30 / +1.41%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.20
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                8.96
             |                                 
            
                104,110
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2013
             | 
            
                -0.30 / -1.39%
             |             
            
                21.60
             |           
            
                21.80
             |               
            
                21.10
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                8.83
             |                                 
            
                77,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2013
             | 
            
                +0.30 / +1.41%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.20
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                8.96
             |                                 
            
                101,850
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2013
             | 
            
                +0.10 / +0.47%
             |             
            
                21.50
             |           
            
                21.70
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                8.83
             |                                 
            
                170,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2013
             | 
            
                +0.50 / +2.42%
             |             
            
                20.50
             |           
            
                21.20
             |               
            
                20.40
             |                           
            
                21.20
             | 
            
                21.20
             |                     
            
                8.79
             |                                 
            
                36,890
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2013
             | 
            
                -0.30 / -1.43%
             |             
            
                20.30
             |           
            
                20.80
             |               
            
                20.30
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                8.58
             |                                 
            
                55,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2013
             | 
            
                -0.60 / -2.78%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                20.90
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                8.71
             |                                 
            
                25,550
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2013
             | 
            
                +0.50 / +2.37%
             |             
            
                20.90
             |           
            
                21.60
             |               
            
                20.80
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                8.96
             |                                 
            
                108,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2013
             | 
            
                +0.20 / +0.96%
             |             
            
                21.00
             |           
            
                21.50
             |               
            
                20.80
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                8.75
             |                                 
            
                137,960
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2013
             | 
            
                +0.30 / +1.46%
             |             
            
                21.40
             |           
            
                21.40
             |               
            
                20.10
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                8.67
             |                                 
            
                51,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2013
             | 
            
                -0.60 / -2.83%
             |             
            
                21.20
             |           
            
                21.70
             |               
            
                20.50
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                8.54
             |                                 
            
                121,190
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2013
             | 
            
                +0.10 / +0.47%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.10
             |                           
            
                21.20
             | 
            
                21.20
             |                     
            
                8.79
             |                                 
            
                72,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2013
             | 
            
                0.00 / 0.00%
             |             
            
                21.60
             |           
            
                21.80
             |               
            
                21.00
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                8.75
             |                                 
            
                72,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2013
             | 
            
                -0.60 / -2.76%
             |             
            
                21.90
             |           
            
                21.90
             |               
            
                21.10
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                8.75
             |                                 
            
                81,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2013
             | 
            
                +0.70 / +3.33%
             |             
            
                21.20
             |           
            
                22.40
             |               
            
                20.80
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                9.00
             |                                 
            
                383,540
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2013
             | 
            
                +0.80 / +3.96%
             |             
            
                20.20
             |           
            
                21.20
             |               
            
                20.20
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                8.71
             |                                 
            
                105,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                20.20
             |           
            
                20.30
             |               
            
                19.90
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                8.38
             |                                 
            
                100,860
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2013
             | 
            
                -0.30 / -1.46%
             |             
            
                20.20
             |           
            
                20.50
             |               
            
                20.20
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                8.38
             |                                 
            
                40,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2013
             | 
            
                -0.20 / -0.97%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.10
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                8.50
             |                                 
            
                109,230
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2013
             | 
            
                +0.80 / +4.02%
             |             
            
                20.40
             |           
            
                20.70
             |               
            
                20.00
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                8.58
             |                                 
            
                115,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2013
             | 
            
                +0.30 / +1.53%
             |             
            
                19.90
             |           
            
                20.10
             |               
            
                19.80
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                8.25
             |                                 
            
                38,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2013
             | 
            
                -0.20 / -1.01%
             |             
            
                19.80
             |           
            
                19.80
             |               
            
                19.40
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                8.13
             |                                 
            
                45,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2013
             | 
            
                +0.80 / +4.21%
             |             
            
                19.00
             |           
            
                19.90
             |               
            
                19.00
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                8.21
             |                                 
            
                74,280
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2013
             | 
            
                -1.20 / -5.94%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                7.88
             |                                 
            
                163,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2013
             | 
            
                -1.00 / -4.72%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                20.20
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                8.38
             |                                 
            
                162,950
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                +0.90 / +4.43%
             |             
            
                20.30
             |           
            
                21.60
             |               
            
                20.30
             |                           
            
                21.20
             | 
            
                21.20
             |                     
            
                8.79
             |                                 
            
                226,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                +0.10 / +0.50%
             |             
            
                20.50
             |           
            
                20.70
             |               
            
                20.10
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                8.42
             |                                 
            
                60,130
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                +0.60 / +3.06%
             |             
            
                19.80
             |           
            
                20.20
             |               
            
                19.20
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                8.38
             |                                 
            
                105,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -0.40 / -2.00%
             |             
            
                20.00
             |           
            
                20.50
             |               
            
                19.60
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                8.13
             |                                 
            
                202,260
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                +0.30 / +1.52%
             |             
            
                19.70
             |           
            
                20.20
             |               
            
                19.50
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                8.29
             |                                 
            
                161,660
             |  
            
                 
             |                                                              
             
    
         
    
    
 |