| 
                 
                    Closing price on 7/2/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    64.00 | 
                 
                
                    | High | 
                    64.50 | 
                 
                
                    | Low | 
                    64.00 | 
                     
                
                    | Volume | 
                    28,480 | 
                                 
                
                    | Split-adjusted Price | 
                    12.15 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DIG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2010
             | 
            
                0.00 / 0.00%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                64.50
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                67,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2010
             | 
            
                +0.50 / +0.78%
             |             
            
                65.00
             |           
            
                65.50
             |               
            
                65.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                107,550
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2010
             | 
            
                -0.50 / -0.77%
             |             
            
                66.00
             |           
            
                66.00
             |               
            
                64.50
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                12.25
             |                                 
            
                176,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2010
             | 
            
                0.00 / 0.00%
             |             
            
                64.50
             |           
            
                65.50
             |               
            
                64.50
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                83,130
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2010
             | 
            
                -0.50 / -0.76%
             |             
            
                65.50
             |           
            
                66.00
             |               
            
                65.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                193,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2010
             | 
            
                -0.50 / -0.76%
             |             
            
                65.00
             |           
            
                66.00
             |               
            
                64.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                12.44
             |                                 
            
                147,040
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2010
             | 
            
                -0.50 / -0.75%
             |             
            
                64.50
             |           
            
                66.00
             |               
            
                64.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                12.53
             |                                 
            
                367,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2010
             | 
            
                +0.50 / +0.76%
             |             
            
                66.00
             |           
            
                66.50
             |               
            
                66.00
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                12.63
             |                                 
            
                292,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2010
             | 
            
                -1.00 / -1.49%
             |             
            
                67.50
             |           
            
                67.50
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                12.53
             |                                 
            
                292,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2010
             | 
            
                +0.50 / +0.75%
             |             
            
                66.00
             |           
            
                67.50
             |               
            
                65.50
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                12.72
             |                                 
            
                273,780
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                65.00
             |           
            
                67.00
             |               
            
                65.00
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                12.63
             |                                 
            
                122,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2010
             | 
            
                -1.50 / -2.21%
             |             
            
                67.00
             |           
            
                67.50
             |               
            
                66.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                12.63
             |                                 
            
                103,280
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2010
             | 
            
                +2.50 / +3.82%
             |             
            
                68.00
             |           
            
                68.50
             |               
            
                66.00
             |                           
            
                68.00
             | 
            
                68.00
             |                     
            
                12.91
             |                                 
            
                463,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2010
             | 
            
                +0.50 / +0.77%
             |             
            
                63.50
             |           
            
                65.50
             |               
            
                63.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                12.44
             |                                 
            
                208,470
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2010
             | 
            
                +0.50 / +0.78%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                64.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                12.34
             |                                 
            
                157,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2010
             | 
            
                +0.50 / +0.78%
             |             
            
                63.00
             |           
            
                65.00
             |               
            
                63.00
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                12.25
             |                                 
            
                174,720
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2010
             | 
            
                +0.50 / +0.79%
             |             
            
                64.50
             |           
            
                64.50
             |               
            
                62.50
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                12.15
             |                                 
            
                228,860
             |  
            
                 
             |                                                              
             
    
         
    
    
 |