| 
                 
                    Closing price on 3/4/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.20 | 
                 
                
                    | High | 
                    13.40 | 
                 
                
                    | Low | 
                    12.60 | 
                     
                
                    | Volume | 
                    255,030 | 
                                 
                
                    | Split-adjusted Price | 
                    3.88 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DIG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/4/2013
             | 
            
                -0.50 / -3.79%
             |             
            
                13.20
             |           
            
                13.40
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                3.88
             |                                 
            
                255,030
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                13.30
             |           
            
                13.50
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                4.04
             |                                 
            
                253,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                +0.20 / +1.54%
             |             
            
                13.40
             |           
            
                13.50
             |               
            
                13.00
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                4.04
             |                                 
            
                409,160
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                -0.10 / -0.76%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                12.60
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                3.98
             |                                 
            
                243,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -0.90 / -6.43%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.10
             |                           
            
                13.10
             | 
            
                13.10
             |                     
            
                4.01
             |                                 
            
                588,940
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.40
             |               
            
                13.90
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                4.28
             |                                 
            
                218,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2013
             | 
            
                -0.60 / -4.11%
             |             
            
                14.50
             |           
            
                14.90
             |               
            
                13.60
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                4.28
             |                                 
            
                636,550
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2013
             | 
            
                -1.00 / -6.41%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                4.47
             |                                 
            
                433,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2013
             | 
            
                +0.10 / +0.65%
             |             
            
                15.50
             |           
            
                15.70
             |               
            
                15.00
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                4.77
             |                                 
            
                1,080,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2013
             | 
            
                +0.70 / +4.73%
             |             
            
                14.80
             |           
            
                15.80
             |               
            
                14.70
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                4.74
             |                                 
            
                1,070,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2013
             | 
            
                -0.20 / -1.33%
             |             
            
                14.80
             |           
            
                15.10
             |               
            
                14.50
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                4.53
             |                                 
            
                421,310
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2013
             | 
            
                +0.30 / +2.04%
             |             
            
                14.70
             |           
            
                15.30
             |               
            
                14.30
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                4.59
             |                                 
            
                266,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2013
             | 
            
                +0.10 / +0.68%
             |             
            
                14.60
             |           
            
                14.80
             |               
            
                14.30
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                4.50
             |                                 
            
                269,010
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2013
             | 
            
                +0.50 / +3.55%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                14.20
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                4.47
             |                                 
            
                169,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2013
             | 
            
                -0.50 / -3.42%
             |             
            
                14.20
             |           
            
                14.60
             |               
            
                14.10
             |                           
            
                14.10
             | 
            
                14.10
             |                     
            
                4.31
             |                                 
            
                319,970
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                4.47
             |                                 
            
                182,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2013
             | 
            
                -0.20 / -1.35%
             |             
            
                14.40
             |           
            
                14.70
             |               
            
                14.30
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                4.47
             |                                 
            
                161,590
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2013
             | 
            
                -0.40 / -2.63%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                14.50
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                4.53
             |                                 
            
                398,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2013
             | 
            
                +0.10 / +0.66%
             |             
            
                15.20
             |           
            
                15.40
             |               
            
                15.00
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                4.65
             |                                 
            
                384,980
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2013
             | 
            
                +0.30 / +2.03%
             |             
            
                14.80
             |           
            
                15.10
             |               
            
                14.50
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                4.62
             |                                 
            
                300,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                15.50
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                4.53
             |                                 
            
                352,070
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2013
             | 
            
                +0.40 / +2.78%
             |             
            
                14.40
             |           
            
                14.90
             |               
            
                14.40
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                4.53
             |                                 
            
                329,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2013
             | 
            
                +0.40 / +2.86%
             |             
            
                14.30
             |           
            
                14.40
             |               
            
                14.00
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                4.40
             |                                 
            
                146,070
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2013
             | 
            
                +0.10 / +0.72%
             |             
            
                13.90
             |           
            
                14.10
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                4.28
             |                                 
            
                224,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2013
             | 
            
                -0.40 / -2.80%
             |             
            
                14.30
             |           
            
                14.40
             |               
            
                13.70
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                4.25
             |                                 
            
                357,410
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2013
             | 
            
                +0.20 / +1.42%
             |             
            
                14.10
             |           
            
                14.50
             |               
            
                14.00
             |                           
            
                14.30
             | 
            
                14.30
             |                     
            
                4.37
             |                                 
            
                168,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2013
             | 
            
                -0.60 / -4.08%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                14.10
             |                           
            
                14.10
             | 
            
                14.10
             |                     
            
                4.31
             |                                 
            
                487,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2013
             | 
            
                -0.70 / -4.55%
             |             
            
                15.40
             |           
            
                15.70
             |               
            
                14.70
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                4.50
             |                                 
            
                401,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2013
             | 
            
                +1.00 / +6.94%
             |             
            
                15.00
             |           
            
                15.40
             |               
            
                14.80
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                4.71
             |                                 
            
                780,260
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2013
             | 
            
                +0.90 / +6.67%
             |             
            
                13.80
             |           
            
                14.40
             |               
            
                13.70
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                4.40
             |                                 
            
                899,680
             |  
            
                 
             |                                                              
             
    
         
    
    
 |