| 
                 
                    Closing price on 9/20/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    11.90 | 
                 
                
                    | High | 
                    11.90 | 
                 
                
                    | Low | 
                    11.80 | 
                     
                
                    | Volume | 
                    26,340 | 
                                 
                
                    | Split-adjusted Price | 
                    3.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DIG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/20/2012
             | 
            
                -0.50 / -4.03%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                11.80
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                3.09
             |                                 
            
                26,340
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                11.90
             |           
            
                12.40
             |               
            
                11.80
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                3.22
             |                                 
            
                46,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2012
             | 
            
                -0.60 / -4.62%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                3.22
             |                                 
            
                90,520
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2012
             | 
            
                -0.40 / -2.99%
             |             
            
                13.00
             |           
            
                13.40
             |               
            
                12.80
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                3.37
             |                                 
            
                31,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2012
             | 
            
                +0.60 / +4.69%
             |             
            
                12.90
             |           
            
                13.40
             |               
            
                12.90
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                3.48
             |                                 
            
                44,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2012
             | 
            
                +0.50 / +4.07%
             |             
            
                12.50
             |           
            
                12.80
             |               
            
                12.20
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                3.32
             |                                 
            
                7,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2012
             | 
            
                -0.10 / -0.81%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                3.19
             |                                 
            
                28,540
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2012
             | 
            
                -0.30 / -2.36%
             |             
            
                12.20
             |           
            
                12.90
             |               
            
                12.20
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                3.22
             |                                 
            
                26,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2012
             | 
            
                -0.60 / -4.51%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                3.29
             |                                 
            
                121,190
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2012
             | 
            
                +0.30 / +2.31%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.10
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                3.45
             |                                 
            
                60,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2012
             | 
            
                -0.40 / -2.99%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                3.37
             |                                 
            
                94,670
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2012
             | 
            
                -0.50 / -3.60%
             |             
            
                14.10
             |           
            
                14.10
             |               
            
                13.40
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                3.48
             |                                 
            
                101,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2012
             | 
            
                -0.10 / -0.71%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                3.61
             |                                 
            
                13,280
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2012
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.20
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.63
             |                                 
            
                12,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2012
             | 
            
                +0.20 / +1.45%
             |             
            
                13.90
             |           
            
                14.40
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.63
             |                                 
            
                124,070
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2012
             | 
            
                +0.60 / +4.55%
             |             
            
                13.60
             |           
            
                13.80
             |               
            
                13.30
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                3.58
             |                                 
            
                125,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2012
             | 
            
                -0.20 / -1.49%
             |             
            
                13.10
             |           
            
                13.60
             |               
            
                12.80
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                3.42
             |                                 
            
                183,870
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2012
             | 
            
                -0.70 / -4.96%
             |             
            
                14.10
             |           
            
                14.10
             |               
            
                13.40
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                3.48
             |                                 
            
                86,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2012
             | 
            
                -0.10 / -0.70%
             |             
            
                13.50
             |           
            
                14.50
             |               
            
                13.50
             |                           
            
                14.10
             | 
            
                14.10
             |                     
            
                3.66
             |                                 
            
                225,240
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2012
             | 
            
                -0.70 / -4.70%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                3.68
             |                                 
            
                49,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2012
             | 
            
                -0.70 / -4.49%
             |             
            
                14.90
             |           
            
                15.30
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                3.87
             |                                 
            
                198,470
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2012
             | 
            
                -0.80 / -4.88%
             |             
            
                15.70
             |           
            
                15.90
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                4.05
             |                                 
            
                182,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2012
             | 
            
                +0.20 / +1.23%
             |             
            
                16.20
             |           
            
                17.00
             |               
            
                16.20
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                4.25
             |                                 
            
                47,860
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2012
             | 
            
                -0.10 / -0.61%
             |             
            
                16.20
             |           
            
                16.50
             |               
            
                16.20
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                4.20
             |                                 
            
                73,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2012
             | 
            
                -0.10 / -0.61%
             |             
            
                16.30
             |           
            
                16.40
             |               
            
                16.30
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                4.23
             |                                 
            
                26,860
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                16.40
             |           
            
                16.50
             |               
            
                16.40
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                4.25
             |                                 
            
                26,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2012
             | 
            
                +0.10 / +0.61%
             |             
            
                16.40
             |           
            
                16.80
             |               
            
                16.30
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                4.25
             |                                 
            
                33,830
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2012
             | 
            
                -0.10 / -0.61%
             |             
            
                16.30
             |           
            
                16.80
             |               
            
                16.10
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                4.23
             |                                 
            
                29,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2012
             | 
            
                -0.40 / -2.38%
             |             
            
                16.60
             |           
            
                16.80
             |               
            
                16.40
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                4.25
             |                                 
            
                9,920
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2012
             | 
            
                +0.20 / +1.20%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.60
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                4.36
             |                                 
            
                43,110
             |  
            
                 
             |                                                              
             
    
         
    
    
 |