| 
                 
                    Closing price on 11/12/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    10.40 | 
                 
                
                    | High | 
                    11.40 | 
                 
                
                    | Low | 
                    10.40 | 
                     
                
                    | Volume | 
                    6,000 | 
                                 
                
                    | Split-adjusted Price | 
                    5.25 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DTT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/12/2008
             | 
            
                +0.50 / +4.59%
             |             
            
                10.40
             |           
            
                11.40
             |               
            
                10.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                5.25
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2008
             | 
            
                -0.50 / -4.39%
             |             
            
                10.90
             |           
            
                10.90
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                5.02
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2008
             | 
            
                0.00 / 0.00%
             |             
            
                11.40
             |           
            
                11.40
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                5.25
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2008
             | 
            
                -0.60 / -5.00%
             |             
            
                11.40
             |           
            
                11.40
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                5.25
             |                                 
            
                1,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2008
             | 
            
                0.00 / 0.00%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.40
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                5.53
             |                                 
            
                2,150
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2008
             | 
            
                +0.20 / +1.69%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                5.53
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2008
             | 
            
                +0.40 / +3.51%
             |             
            
                11.80
             |           
            
                11.80
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                5.44
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2008
             | 
            
                +0.50 / +4.59%
             |             
            
                10.90
             |           
            
                11.40
             |               
            
                10.90
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                5.25
             |                                 
            
                1,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2008
             | 
            
                -0.40 / -3.54%
             |             
            
                11.80
             |           
            
                11.80
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                5.02
             |                                 
            
                5,010
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2008
             | 
            
                +0.50 / +4.63%
             |             
            
                10.80
             |           
            
                11.30
             |               
            
                10.50
             |                           
            
                11.30
             | 
            
                11.30
             |                     
            
                5.21
             |                                 
            
                7,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2008
             | 
            
                +0.50 / +4.85%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.30
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                4.98
             |                                 
            
                2,730
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2008
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                10.30
             |               
            
                9.80
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                4.75
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2008
             | 
            
                -0.50 / -4.63%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                4.75
             |                                 
            
                7,330
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2008
             | 
            
                -0.40 / -3.57%
             |             
            
                10.70
             |           
            
                11.00
             |               
            
                10.70
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                4.98
             |                                 
            
                8,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2008
             | 
            
                -0.50 / -4.27%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.20
             |                           
            
                11.20
             | 
            
                11.20
             |                     
            
                5.16
             |                                 
            
                16,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2008
             | 
            
                -0.40 / -3.31%
             |             
            
                11.70
             |           
            
                12.20
             |               
            
                11.70
             |                           
            
                11.70
             | 
            
                11.70
             |                     
            
                5.39
             |                                 
            
                5,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2008
             | 
            
                -0.60 / -4.72%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.10
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                5.58
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2008
             | 
            
                0.00 / 0.00%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                5.85
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2008
             | 
            
                +0.50 / +4.10%
             |             
            
                12.00
             |           
            
                12.70
             |               
            
                12.00
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                5.85
             |                                 
            
                3,020
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2008
             | 
            
                -0.10 / -0.81%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                5.62
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2008
             | 
            
                +0.40 / +3.36%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                5.67
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2008
             | 
            
                +0.50 / +4.39%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                11.90
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                5.48
             |                                 
            
                880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2008
             | 
            
                0.00 / 0.00%
             |             
            
                11.20
             |           
            
                11.40
             |               
            
                11.20
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                5.25
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2008
             | 
            
                -0.60 / -5.00%
             |             
            
                11.40
             |           
            
                11.40
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                5.25
             |                                 
            
                1,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2008
             | 
            
                0.00 / 0.00%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                5.53
             |                                 
            
                5,510
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2008
             | 
            
                -0.20 / -1.64%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.70
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                5.53
             |                                 
            
                10,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2008
             | 
            
                -0.50 / -3.94%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                5.62
             |                                 
            
                6,690
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2008
             | 
            
                -0.60 / -4.51%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                5.85
             |                                 
            
                5,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2008
             | 
            
                +0.30 / +2.31%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                12.50
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                6.13
             |                                 
            
                5,280
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2008
             | 
            
                -0.30 / -2.26%
             |             
            
                13.30
             |           
            
                13.80
             |               
            
                12.80
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                5.99
             |                                 
            
                11,420
             |  
            
                 
             |                                                              
             
    
         
    
    
 |