| 
                 
                    Closing price on 11/28/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.10 | 
                 
                
                    | High | 
                    13.10 | 
                 
                
                    | Low | 
                    12.50 | 
                     
                
                    | Volume | 
                    63,280 | 
                                 
                
                    | Split-adjusted Price | 
                    3.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DIG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                13.10
             |           
            
                13.10
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                3.24
             |                                 
            
                63,280
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2011
             | 
            
                -0.10 / -0.79%
             |             
            
                12.60
             |           
            
                12.80
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                3.24
             |                                 
            
                23,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2011
             | 
            
                -0.40 / -3.08%
             |             
            
                12.60
             |           
            
                13.00
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                3.27
             |                                 
            
                9,440
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2011
             | 
            
                +0.30 / +2.36%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                12.70
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                3.37
             |                                 
            
                60,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2011
             | 
            
                -0.10 / -0.78%
             |             
            
                12.80
             |           
            
                13.20
             |               
            
                12.50
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                3.29
             |                                 
            
                35,530
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2011
             | 
            
                +0.60 / +4.92%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.70
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                3.32
             |                                 
            
                175,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2011
             | 
            
                -0.60 / -4.69%
             |             
            
                12.40
             |           
            
                12.50
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                3.16
             |                                 
            
                222,940
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2011
             | 
            
                -0.50 / -3.76%
             |             
            
                13.30
             |           
            
                13.40
             |               
            
                12.80
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                3.32
             |                                 
            
                54,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2011
             | 
            
                +0.60 / +4.72%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                13.00
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                3.45
             |                                 
            
                254,860
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2011
             | 
            
                -0.60 / -4.51%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                3.29
             |                                 
            
                109,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2011
             | 
            
                -0.70 / -5.00%
             |             
            
                13.50
             |           
            
                14.60
             |               
            
                13.30
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                3.45
             |                                 
            
                82,550
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2011
             | 
            
                -0.30 / -2.10%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.63
             |                                 
            
                60,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2011
             | 
            
                -0.70 / -4.67%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.30
             |                           
            
                14.30
             | 
            
                14.30
             |                     
            
                3.71
             |                                 
            
                286,080
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2011
             | 
            
                -0.70 / -4.46%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                3.89
             |                                 
            
                367,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2011
             | 
            
                +0.40 / +2.61%
             |             
            
                15.10
             |           
            
                15.70
             |               
            
                15.10
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                4.07
             |                                 
            
                310,380
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2011
             | 
            
                -0.40 / -2.55%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.30
             |                           
            
                15.30
             | 
            
                15.30
             |                     
            
                3.97
             |                                 
            
                53,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2011
             | 
            
                -0.20 / -1.26%
             |             
            
                16.30
             |           
            
                16.30
             |               
            
                15.70
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                4.07
             |                                 
            
                49,720
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                16.00
             |               
            
                15.70
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                4.12
             |                                 
            
                111,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2011
             | 
            
                -0.10 / -0.63%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                15.80
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                4.12
             |                                 
            
                135,890
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2011
             | 
            
                -0.80 / -4.76%
             |             
            
                16.80
             |           
            
                16.80
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                4.15
             |                                 
            
                57,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2011
             | 
            
                0.00 / 0.00%
             |             
            
                17.50
             |           
            
                17.50
             |               
            
                16.70
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                4.36
             |                                 
            
                179,120
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2011
             | 
            
                +0.80 / +5.00%
             |             
            
                16.30
             |           
            
                16.80
             |               
            
                16.10
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                4.36
             |                                 
            
                294,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2011
             | 
            
                +0.10 / +0.63%
             |             
            
                16.00
             |           
            
                16.30
             |               
            
                15.90
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                4.15
             |                                 
            
                151,220
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2011
             | 
            
                -0.10 / -0.63%
             |             
            
                15.80
             |           
            
                16.00
             |               
            
                15.80
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                4.12
             |                                 
            
                90,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                16.00
             |           
            
                16.20
             |               
            
                15.80
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                4.15
             |                                 
            
                163,150
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2011
             | 
            
                +0.30 / +1.91%
             |             
            
                16.00
             |           
            
                16.30
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                4.15
             |                                 
            
                97,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2011
             | 
            
                +0.70 / +4.67%
             |             
            
                15.00
             |           
            
                15.70
             |               
            
                15.00
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                4.07
             |                                 
            
                219,230
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.10
             |           
            
                15.20
             |               
            
                14.70
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                3.89
             |                                 
            
                63,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2011
             | 
            
                -5.00 / -25.00%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                14.70
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                3.89
             |                                 
            
                75,570
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2011
             | 
            
                -0.70 / -3.38%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.00
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                3.89
             |                                 
            
                378,870
             |  
            
                 
             |                                                              
             
    
         
    
    
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