| 
                 
                    Closing price on 12/9/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    11.00 | 
                 
                
                    | High | 
                    11.00 | 
                 
                
                    | Low | 
                    10.80 | 
                     
                
                    | Volume | 
                    37,250 | 
                                 
                
                    | Split-adjusted Price | 
                    6.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DTT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/9/2009
             | 
            
                -0.50 / -4.42%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                6.80
             |                                 
            
                37,250
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2009
             | 
            
                -0.20 / -1.74%
             |             
            
                11.40
             |           
            
                11.50
             |               
            
                11.30
             |                           
            
                11.30
             | 
            
                11.30
             |                     
            
                7.11
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2009
             | 
            
                0.00 / 0.00%
             |             
            
                11.60
             |           
            
                11.60
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                7.24
             |                                 
            
                5,410
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2009
             | 
            
                -0.10 / -0.86%
             |             
            
                11.60
             |           
            
                11.60
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                7.24
             |                                 
            
                19,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2009
             | 
            
                0.00 / 0.00%
             |             
            
                11.20
             |           
            
                11.80
             |               
            
                11.20
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                7.30
             |                                 
            
                10,620
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2009
             | 
            
                -0.40 / -3.33%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                7.30
             |                                 
            
                4,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2009
             | 
            
                +0.10 / +0.84%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                11.90
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                7.55
             |                                 
            
                17,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2009
             | 
            
                +0.40 / +3.48%
             |             
            
                11.10
             |           
            
                11.90
             |               
            
                11.10
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                7.49
             |                                 
            
                10,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2009
             | 
            
                +0.50 / +4.55%
             |             
            
                10.60
             |           
            
                11.50
             |               
            
                10.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                7.24
             |                                 
            
                24,620
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2009
             | 
            
                -0.40 / -3.51%
             |             
            
                11.00
             |           
            
                11.70
             |               
            
                10.90
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                6.92
             |                                 
            
                27,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2009
             | 
            
                -0.60 / -5.00%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                7.18
             |                                 
            
                45,920
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2009
             | 
            
                -0.30 / -2.44%
             |             
            
                11.80
             |           
            
                12.00
             |               
            
                11.80
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                7.55
             |                                 
            
                22,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2009
             | 
            
                -0.10 / -0.81%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.00
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                7.74
             |                                 
            
                13,520
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2009
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.60
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                7.80
             |                                 
            
                6,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2009
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.60
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                7.80
             |                                 
            
                14,360
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2009
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                7.80
             |                                 
            
                7,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2009
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.50
             |               
            
                12.00
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                7.80
             |                                 
            
                10,450
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2009
             | 
            
                -0.10 / -0.80%
             |             
            
                12.50
             |           
            
                12.80
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                7.80
             |                                 
            
                12,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2009
             | 
            
                -0.50 / -3.85%
             |             
            
                12.60
             |           
            
                12.80
             |               
            
                12.40
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                7.87
             |                                 
            
                39,870
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2009
             | 
            
                +0.40 / +3.17%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                8.18
             |                                 
            
                8,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2009
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                7.93
             |                                 
            
                21,290
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2009
             | 
            
                +0.10 / +0.80%
             |             
            
                12.00
             |           
            
                12.60
             |               
            
                12.00
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                7.93
             |                                 
            
                29,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2009
             | 
            
                -0.40 / -3.10%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.40
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                7.87
             |                                 
            
                18,470
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2009
             | 
            
                0.00 / 0.00%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                8.12
             |                                 
            
                50,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2009
             | 
            
                +0.60 / +4.88%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                8.12
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2009
             | 
            
                +0.50 / +4.24%
             |             
            
                11.80
             |           
            
                12.30
             |               
            
                11.80
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                7.74
             |                                 
            
                44,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2009
             | 
            
                -0.50 / -4.07%
             |             
            
                11.70
             |           
            
                12.30
             |               
            
                11.70
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                7.43
             |                                 
            
                67,290
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2009
             | 
            
                -0.60 / -4.65%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                7.74
             |                                 
            
                26,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2009
             | 
            
                0.00 / 0.00%
             |             
            
                12.90
             |           
            
                13.20
             |               
            
                12.80
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                8.12
             |                                 
            
                68,890
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2009
             | 
            
                -0.60 / -4.44%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                8.12
             |                                 
            
                46,740
             |  
            
                 
             |                                                              
             
    
         
    
    
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