| 
                 
                    Closing price on 10/9/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    12.60 | 
                 
                
                    | High | 
                    12.60 | 
                 
                
                    | Low | 
                    12.50 | 
                     
                
                    | Volume | 
                    132,280 | 
                                 
                
                    | Split-adjusted Price | 
                    3.27 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DIG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/9/2012
             | 
            
                +0.60 / +5.00%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.50
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                3.27
             |                                 
            
                132,280
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2012
             | 
            
                +0.50 / +4.35%
             |             
            
                11.90
             |           
            
                12.00
             |               
            
                11.80
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                3.11
             |                                 
            
                448,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2012
             | 
            
                +0.50 / +4.55%
             |             
            
                11.10
             |           
            
                11.50
             |               
            
                11.00
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                2.98
             |                                 
            
                223,530
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                11.30
             |           
            
                11.40
             |               
            
                10.90
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                2.85
             |                                 
            
                136,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                11.40
             |           
            
                11.50
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                2.85
             |                                 
            
                57,520
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2012
             | 
            
                -0.50 / -4.35%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                2.85
             |                                 
            
                25,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2012
             | 
            
                -0.30 / -2.54%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.30
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                2.98
             |                                 
            
                45,750
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2012
             | 
            
                -0.20 / -1.67%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                3.06
             |                                 
            
                45,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2012
             | 
            
                -0.10 / -0.83%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.90
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                3.11
             |                                 
            
                22,130
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2012
             | 
            
                -0.20 / -1.63%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                3.14
             |                                 
            
                51,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2012
             | 
            
                +0.10 / +0.82%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                11.80
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                3.19
             |                                 
            
                51,910
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2012
             | 
            
                -0.20 / -1.61%
             |             
            
                12.00
             |           
            
                12.20
             |               
            
                12.00
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                3.16
             |                                 
            
                87,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2012
             | 
            
                +0.50 / +4.20%
             |             
            
                11.90
             |           
            
                12.40
             |               
            
                11.90
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                3.22
             |                                 
            
                59,210
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |