| 
                 
                    Closing price on 2/8/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.70 | 
                 
                
                    | High | 
                    20.90 | 
                 
                
                    | Low | 
                    19.70 | 
                     
                
                    | Volume | 
                    239,680 | 
                                 
                
                    | Split-adjusted Price | 
                    8.47 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DQC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/8/2013
             | 
            
                +1.30 / +6.63%
             |             
            
                19.70
             |           
            
                20.90
             |               
            
                19.70
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                8.47
             |                                 
            
                239,680
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2013
             | 
            
                +0.10 / +0.51%
             |             
            
                19.60
             |           
            
                19.80
             |               
            
                19.50
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                7.94
             |                                 
            
                79,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2013
             | 
            
                +0.40 / +2.09%
             |             
            
                19.60
             |           
            
                20.00
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                7.90
             |                                 
            
                82,890
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2013
             | 
            
                -0.20 / -1.04%
             |             
            
                19.10
             |           
            
                19.40
             |               
            
                19.10
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                7.74
             |                                 
            
                87,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2013
             | 
            
                -0.20 / -1.03%
             |             
            
                19.00
             |           
            
                19.50
             |               
            
                18.90
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                7.82
             |                                 
            
                35,670
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2013
             | 
            
                -0.10 / -0.51%
             |             
            
                19.50
             |           
            
                19.70
             |               
            
                19.30
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                7.90
             |                                 
            
                88,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2013
             | 
            
                +0.70 / +3.70%
             |             
            
                18.90
             |           
            
                19.60
             |               
            
                18.80
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                7.94
             |                                 
            
                213,920
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2013
             | 
            
                -0.10 / -0.53%
             |             
            
                19.10
             |           
            
                19.20
             |               
            
                18.80
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                7.66
             |                                 
            
                147,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2013
             | 
            
                -0.10 / -0.52%
             |             
            
                19.10
             |           
            
                19.10
             |               
            
                18.70
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                7.70
             |                                 
            
                54,420
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                19.30
             |           
            
                19.60
             |               
            
                19.10
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                7.74
             |                                 
            
                138,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2013
             | 
            
                +0.70 / +3.80%
             |             
            
                18.50
             |           
            
                19.60
             |               
            
                18.40
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                7.74
             |                                 
            
                171,970
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2013
             | 
            
                +0.40 / +2.22%
             |             
            
                18.30
             |           
            
                18.40
             |               
            
                17.90
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                7.46
             |                                 
            
                34,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2013
             | 
            
                +0.10 / +0.56%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                17.80
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                7.30
             |                                 
            
                48,040
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2013
             | 
            
                -0.80 / -4.28%
             |             
            
                18.70
             |           
            
                18.80
             |               
            
                17.90
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                7.26
             |                                 
            
                151,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                18.70
             |           
            
                18.90
             |               
            
                18.60
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                7.58
             |                                 
            
                33,220
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2013
             | 
            
                -0.30 / -1.58%
             |             
            
                18.70
             |           
            
                19.00
             |               
            
                18.60
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                7.58
             |                                 
            
                80,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2013
             | 
            
                -0.70 / -3.55%
             |             
            
                19.70
             |           
            
                19.70
             |               
            
                18.60
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                7.70
             |                                 
            
                149,430
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2013
             | 
            
                -0.20 / -1.01%
             |             
            
                19.90
             |           
            
                20.10
             |               
            
                19.50
             |                           
            
                19.70
             | 
            
                19.70
             |                     
            
                7.98
             |                                 
            
                217,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2013
             | 
            
                +0.30 / +1.53%
             |             
            
                19.80
             |           
            
                20.10
             |               
            
                19.50
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                8.07
             |                                 
            
                117,380
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2013
             | 
            
                +0.50 / +2.62%
             |             
            
                19.10
             |           
            
                19.70
             |               
            
                18.70
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                7.94
             |                                 
            
                217,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2013
             | 
            
                +0.90 / +4.95%
             |             
            
                18.50
             |           
            
                19.10
             |               
            
                18.20
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                7.74
             |                                 
            
                408,340
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2013
             | 
            
                +0.20 / +1.11%
             |             
            
                18.20
             |           
            
                18.30
             |               
            
                18.00
             |                           
            
                18.20
             | 
            
                18.20
             |                     
            
                7.38
             |                                 
            
                54,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2013
             | 
            
                -0.20 / -1.10%
             |             
            
                18.10
             |           
            
                18.70
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                7.30
             |                                 
            
                169,320
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2013
             | 
            
                +0.20 / +1.11%
             |             
            
                17.90
             |           
            
                18.20
             |               
            
                17.90
             |                           
            
                18.20
             | 
            
                18.20
             |                     
            
                7.38
             |                                 
            
                100,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2013
             | 
            
                -0.10 / -0.55%
             |             
            
                18.10
             |           
            
                18.80
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                7.30
             |                                 
            
                167,240
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2013
             | 
            
                +0.20 / +1.12%
             |             
            
                17.80
             |           
            
                18.20
             |               
            
                17.80
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                7.34
             |                                 
            
                28,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2013
             | 
            
                -0.70 / -3.76%
             |             
            
                18.60
             |           
            
                18.60
             |               
            
                17.80
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                7.26
             |                                 
            
                60,120
             |            
            
                 
             |                                       
         
    
        
            | 
                1/2/2013
             | 
            
                +0.20 / +1.09%
             |             
            
                18.40
             |           
            
                18.70
             |               
            
                18.40
             |                           
            
                18.60
             | 
            
                18.60
             |                     
            
                7.54
             |                                 
            
                56,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2012
             | 
            
                +0.30 / +1.66%
             |             
            
                17.90
             |           
            
                18.40
             |               
            
                17.80
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                7.46
             |                                 
            
                93,280
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                18.00
             |           
            
                18.50
             |               
            
                17.80
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                7.34
             |                                 
            
                208,360
             |  
            
                 
             |                                                              
             
    
         
    
    
 |