| 
                 
                    Closing price on 11/17/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    33.10 | 
                 
                
                    | High | 
                    35.50 | 
                 
                
                    | Low | 
                    32.80 | 
                     
                
                    | Volume | 
                    225,650 | 
                                 
                
                    | Split-adjusted Price | 
                    6.23 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DIG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/17/2010
             | 
            
                -1.70 / -4.93%
             |             
            
                33.10
             |           
            
                35.50
             |               
            
                32.80
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                6.23
             |                                 
            
                225,650
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2010
             | 
            
                -1.60 / -4.43%
             |             
            
                34.60
             |           
            
                34.70
             |               
            
                34.30
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                6.55
             |                                 
            
                183,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2010
             | 
            
                -1.90 / -5.00%
             |             
            
                37.50
             |           
            
                38.20
             |               
            
                36.10
             |                           
            
                36.10
             | 
            
                36.10
             |                     
            
                6.85
             |                                 
            
                105,310
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2010
             | 
            
                -0.90 / -2.31%
             |             
            
                38.00
             |           
            
                38.50
             |               
            
                37.30
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                7.21
             |                                 
            
                240,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2010
             | 
            
                -1.20 / -2.99%
             |             
            
                40.10
             |           
            
                40.10
             |               
            
                38.10
             |                           
            
                38.90
             | 
            
                38.90
             |                     
            
                7.39
             |                                 
            
                125,140
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2010
             | 
            
                +0.10 / +0.25%
             |             
            
                39.50
             |           
            
                40.80
             |               
            
                39.50
             |                           
            
                40.10
             | 
            
                40.10
             |                     
            
                7.61
             |                                 
            
                52,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2010
             | 
            
                -1.60 / -3.85%
             |             
            
                41.50
             |           
            
                41.50
             |               
            
                40.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                7.59
             |                                 
            
                143,890
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2010
             | 
            
                0.00 / 0.00%
             |             
            
                41.50
             |           
            
                41.60
             |               
            
                41.10
             |                           
            
                41.60
             | 
            
                41.60
             |                     
            
                7.90
             |                                 
            
                69,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2010
             | 
            
                +1.10 / +2.72%
             |             
            
                41.90
             |           
            
                41.90
             |               
            
                40.60
             |                           
            
                41.60
             | 
            
                41.60
             |                     
            
                7.90
             |                                 
            
                59,650
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2010
             | 
            
                0.00 / 0.00%
             |             
            
                40.50
             |           
            
                40.80
             |               
            
                40.50
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                7.69
             |                                 
            
                35,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2010
             | 
            
                -0.40 / -0.98%
             |             
            
                40.40
             |           
            
                40.60
             |               
            
                40.20
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                7.69
             |                                 
            
                63,040
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2010
             | 
            
                0.00 / 0.00%
             |             
            
                40.50
             |           
            
                41.00
             |               
            
                40.50
             |                           
            
                40.90
             | 
            
                40.90
             |                     
            
                7.77
             |                                 
            
                43,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                40.10
             |           
            
                41.50
             |               
            
                40.10
             |                           
            
                40.90
             | 
            
                40.90
             |                     
            
                7.77
             |                                 
            
                34,750
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2010
             | 
            
                +0.10 / +0.25%
             |             
            
                40.20
             |           
            
                41.50
             |               
            
                40.20
             |                           
            
                40.90
             | 
            
                40.90
             |                     
            
                7.77
             |                                 
            
                31,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2010
             | 
            
                -1.00 / -2.39%
             |             
            
                41.80
             |           
            
                41.80
             |               
            
                40.80
             |                           
            
                40.80
             | 
            
                40.80
             |                     
            
                7.75
             |                                 
            
                56,690
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2010
             | 
            
                -0.20 / -0.48%
             |             
            
                42.50
             |           
            
                42.50
             |               
            
                41.00
             |                           
            
                41.80
             | 
            
                41.80
             |                     
            
                7.94
             |                                 
            
                61,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2010
             | 
            
                +1.10 / +2.69%
             |             
            
                41.50
             |           
            
                42.90
             |               
            
                41.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                7.97
             |                                 
            
                57,350
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2010
             | 
            
                -0.10 / -0.24%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                40.00
             |                           
            
                40.90
             | 
            
                40.90
             |                     
            
                7.77
             |                                 
            
                57,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2010
             | 
            
                +0.50 / +1.23%
             |             
            
                41.40
             |           
            
                41.40
             |               
            
                40.00
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                7.78
             |                                 
            
                57,610
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2010
             | 
            
                +0.70 / +1.76%
             |             
            
                39.00
             |           
            
                40.50
             |               
            
                39.00
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                7.69
             |                                 
            
                57,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2010
             | 
            
                -1.10 / -2.69%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                39.80
             |                           
            
                39.80
             | 
            
                39.80
             |                     
            
                7.56
             |                                 
            
                295,840
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2010
             | 
            
                -1.40 / -3.31%
             |             
            
                42.50
             |           
            
                42.50
             |               
            
                40.20
             |                           
            
                40.90
             | 
            
                40.90
             |                     
            
                7.77
             |                                 
            
                158,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2010
             | 
            
                -0.10 / -0.24%
             |             
            
                42.70
             |           
            
                42.70
             |               
            
                42.00
             |                           
            
                42.30
             | 
            
                42.30
             |                     
            
                8.03
             |                                 
            
                14,750
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2010
             | 
            
                +0.40 / +0.95%
             |             
            
                41.70
             |           
            
                42.40
             |               
            
                41.70
             |                           
            
                42.40
             | 
            
                42.40
             |                     
            
                8.05
             |                                 
            
                95,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2010
             | 
            
                +0.10 / +0.24%
             |             
            
                41.80
             |           
            
                42.40
             |               
            
                41.80
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                7.97
             |                                 
            
                85,720
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                42.80
             |           
            
                42.80
             |               
            
                41.40
             |                           
            
                41.90
             | 
            
                41.90
             |                     
            
                7.96
             |                                 
            
                144,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2010
             | 
            
                -0.40 / -0.95%
             |             
            
                42.30
             |           
            
                42.30
             |               
            
                41.90
             |                           
            
                41.90
             | 
            
                41.90
             |                     
            
                7.96
             |                                 
            
                50,740
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2010
             | 
            
                -0.40 / -0.94%
             |             
            
                42.70
             |           
            
                42.70
             |               
            
                42.00
             |                           
            
                42.30
             | 
            
                42.30
             |                     
            
                8.03
             |                                 
            
                50,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2010
             | 
            
                -0.60 / -1.39%
             |             
            
                43.30
             |           
            
                43.50
             |               
            
                42.70
             |                           
            
                42.70
             | 
            
                42.70
             |                     
            
                8.11
             |                                 
            
                103,690
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2010
             | 
            
                -0.60 / -1.37%
             |             
            
                43.90
             |           
            
                43.90
             |               
            
                42.70
             |                           
            
                43.30
             | 
            
                43.30
             |                     
            
                8.22
             |                                 
            
                58,580
             |  
            
                 
             |                                                              
             
    
         
    
    
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