| 
                 
                    Closing price on 7/27/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    59.50 | 
                 
                
                    | High | 
                    59.50 | 
                 
                
                    | Low | 
                    58.50 | 
                     
                
                    | Volume | 
                    91,500 | 
                                 
                
                    | Split-adjusted Price | 
                    11.11 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DIG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/27/2010
             | 
            
                -1.00 / -1.68%
             |             
            
                59.50
             |           
            
                59.50
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                11.11
             |                                 
            
                91,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2010
             | 
            
                +1.00 / +1.71%
             |             
            
                59.50
             |           
            
                59.50
             |               
            
                58.50
             |                           
            
                59.50
             | 
            
                59.50
             |                     
            
                11.30
             |                                 
            
                168,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2010
             | 
            
                +0.50 / +0.86%
             |             
            
                58.50
             |           
            
                59.00
             |               
            
                58.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                11.11
             |                                 
            
                67,550
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2010
             | 
            
                -1.50 / -2.52%
             |             
            
                58.50
             |           
            
                59.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                11.01
             |                                 
            
                145,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2010
             | 
            
                -0.50 / -0.83%
             |             
            
                59.50
             |           
            
                60.00
             |               
            
                59.50
             |                           
            
                59.50
             | 
            
                59.50
             |                     
            
                11.30
             |                                 
            
                82,170
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2010
             | 
            
                -1.00 / -1.64%
             |             
            
                60.50
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                11.39
             |                                 
            
                126,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2010
             | 
            
                0.00 / 0.00%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                11.58
             |                                 
            
                100,460
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2010
             | 
            
                -0.50 / -0.81%
             |             
            
                61.50
             |           
            
                61.50
             |               
            
                60.50
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                11.58
             |                                 
            
                300,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2010
             | 
            
                -0.50 / -0.81%
             |             
            
                61.00
             |           
            
                62.00
             |               
            
                60.50
             |                           
            
                61.50
             | 
            
                61.50
             |                     
            
                11.68
             |                                 
            
                200,030
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2010
             | 
            
                0.00 / 0.00%
             |             
            
                62.50
             |           
            
                62.50
             |               
            
                61.50
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                11.77
             |                                 
            
                154,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                62.00
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                11.77
             |                                 
            
                133,520
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2010
             | 
            
                +1.00 / +1.64%
             |             
            
                61.00
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                11.77
             |                                 
            
                61,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2010
             | 
            
                0.00 / 0.00%
             |             
            
                61.00
             |           
            
                61.50
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                11.58
             |                                 
            
                55,690
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2010
             | 
            
                -1.00 / -1.61%
             |             
            
                62.00
             |           
            
                62.50
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                11.58
             |                                 
            
                120,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2010
             | 
            
                -1.00 / -1.59%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                61.50
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                11.77
             |                                 
            
                128,660
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2010
             | 
            
                -1.00 / -1.56%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                63.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                11.96
             |                                 
            
                84,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2010
             | 
            
                0.00 / 0.00%
             |             
            
                64.00
             |           
            
                64.50
             |               
            
                64.00
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                12.15
             |                                 
            
                108,140
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2010
             | 
            
                -0.50 / -0.78%
             |             
            
                64.00
             |           
            
                64.50
             |               
            
                64.00
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                12.15
             |                                 
            
                28,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2010
             | 
            
                -0.50 / -0.77%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                64.00
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                12.25
             |                                 
            
                157,080
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2010
             | 
            
                +1.00 / +1.56%
             |             
            
                62.00
             |           
            
                65.00
             |               
            
                62.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                157,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2010
             | 
            
                -0.50 / -0.78%
             |             
            
                64.50
             |           
            
                64.50
             |               
            
                64.00
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                12.15
             |                                 
            
                204,280
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2010
             | 
            
                0.00 / 0.00%
             |             
            
                64.50
             |           
            
                65.00
             |               
            
                64.00
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                12.25
             |                                 
            
                123,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2010
             | 
            
                -0.50 / -0.77%
             |             
            
                64.50
             |           
            
                65.00
             |               
            
                64.50
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                12.25
             |                                 
            
                88,370
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2010
             | 
            
                -0.50 / -0.76%
             |             
            
                65.00
             |           
            
                65.50
             |               
            
                65.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                137,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2010
             | 
            
                0.00 / 0.00%
             |             
            
                64.50
             |           
            
                65.50
             |               
            
                64.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                12.44
             |                                 
            
                40,240
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2010
             | 
            
                0.00 / 0.00%
             |             
            
                66.00
             |           
            
                66.50
             |               
            
                65.00
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                12.44
             |                                 
            
                145,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2010
             | 
            
                +1.00 / +1.55%
             |             
            
                64.50
             |           
            
                65.50
             |               
            
                64.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                12.44
             |                                 
            
                70,530
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2010
             | 
            
                -0.50 / -0.77%
             |             
            
                64.50
             |           
            
                64.50
             |               
            
                64.50
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                12.25
             |                                 
            
                139,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2010
             | 
            
                0.00 / 0.00%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                64.50
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                91,330
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2010
             | 
            
                0.00 / 0.00%
             |             
            
                65.50
             |           
            
                65.50
             |               
            
                65.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                132,720
             |  
            
                 
             |                                                              
             
    
         
    
    
 |