| 
                 
                    Closing price on 12/24/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.90 | 
                 
                
                    | High | 
                    6.90 | 
                 
                
                    | Low | 
                    6.90 | 
                     
                
                    | Volume | 
                    150 | 
                                 
                
                    | Split-adjusted Price | 
                    4.45 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DTT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/24/2012
             | 
            
                -0.30 / -4.17%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                4.45
             |                                 
            
                150
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                4.64
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2012
             | 
            
                +0.30 / +4.35%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                4.64
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                4.45
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                4.45
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2012
             | 
            
                +0.30 / +4.55%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                4.45
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.26
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2012
             | 
            
                +0.10 / +1.54%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.26
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                4.19
             |                                 
            
                1,390
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                4.19
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                4.19
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                4.19
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2012
             | 
            
                +0.20 / +3.17%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                4.19
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2012
             | 
            
                +0.30 / +5.00%
             |             
            
                6.00
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                4.06
             |                                 
            
                250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2012
             | 
            
                -0.30 / -4.76%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.87
             |                                 
            
                3,280
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2012
             | 
            
                +0.30 / +5.00%
             |             
            
                6.00
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                4.06
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2012
             | 
            
                -0.20 / -3.23%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.87
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.00
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2012
             | 
            
                -0.30 / -4.62%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.00
             |                                 
            
                40
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                4.19
             |                                 
            
                3,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2012
             | 
            
                -0.10 / -1.52%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                4.19
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.26
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.26
             |                                 
            
                4,010
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.26
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.26
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.26
             |                                 
            
                680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2012
             | 
            
                +0.10 / +1.54%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.26
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2012
             | 
            
                +0.50 / +8.33%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                4.19
             |                                 
            
                2,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.87
             |                                 
            
                2,050
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2012
             | 
            
                +0.20 / +3.45%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.87
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |