| 
                 
                    Closing price on 8/19/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.80 | 
                 
                
                    | High | 
                    26.00 | 
                 
                
                    | Low | 
                    25.80 | 
                     
                
                    | Volume | 
                    400 | 
                                 
                
                    | Split-adjusted Price | 
                    2.51 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DDN Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/19/2010
             | 
            
                0.00 / 0.00%
             |             
            
                25.80
             |           
            
                26.00
             |               
            
                25.80
             |                           
            
                26.00
             | 
            
                25.90
             |                     
            
                2.51
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2010
             | 
            
                +1.00 / +4.00%
             |             
            
                24.00
             |           
            
                26.00
             |               
            
                24.00
             |                           
            
                26.00
             | 
            
                25.80
             |                     
            
                2.51
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2010
             | 
            
                0.00 / 0.00%
             |             
            
                24.50
             |           
            
                25.00
             |               
            
                24.50
             |                           
            
                25.00
             | 
            
                24.90
             |                     
            
                2.42
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2010
             | 
            
                -0.80 / -3.10%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                2.42
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2010
             | 
            
                +0.60 / +2.50%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                2.38
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2010
             | 
            
                -0.80 / -3.23%
             |             
            
                25.80
             |           
            
                25.80
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.60
             |                     
            
                2.32
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2010
             | 
            
                +1.50 / +6.44%
             |             
            
                24.80
             |           
            
                24.80
             |               
            
                24.80
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                2.40
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2010
             | 
            
                -0.70 / -2.92%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                23.50
             |                     
            
                2.25
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2010
             | 
            
                -0.50 / -2.04%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                2.32
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2010
             | 
            
                0.00 / 0.00%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                2.37
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2010
             | 
            
                -0.50 / -2.00%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                2.37
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2010
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                2.42
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2010
             | 
            
                -0.30 / -1.19%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                2.42
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2010
             | 
            
                0.00 / 0.00%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                2.44
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2010
             | 
            
                -2.50 / -9.09%
             |             
            
                25.00
             |           
            
                28.00
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                27.50
             |                     
            
                2.42
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2010
             | 
            
                +1.50 / +5.77%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                27.50
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                2.66
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2010
             | 
            
                -2.00 / -7.14%
             |             
            
                24.90
             |           
            
                27.30
             |               
            
                24.90
             |                           
            
                26.00
             | 
            
                26.40
             |                     
            
                2.51
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2010
             | 
            
                -2.30 / -7.59%
             |             
            
                27.30
             |           
            
                28.00
             |               
            
                27.30
             |                           
            
                28.00
             | 
            
                27.50
             |                     
            
                2.70
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                30.30
             |           
            
                30.30
             |               
            
                30.30
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                2.93
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2010
             | 
            
                0.00 / 0.00%
             |             
            
                30.30
             |           
            
                30.30
             |               
            
                30.30
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                2.93
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2010
             | 
            
                0.00 / 0.00%
             |             
            
                30.30
             |           
            
                30.30
             |               
            
                30.30
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                2.93
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2010
             | 
            
                +0.30 / +1.00%
             |             
            
                30.30
             |           
            
                30.30
             |               
            
                30.30
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                2.93
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2010
             | 
            
                0.00 / 0.00%
             |             
            
                31.30
             |           
            
                32.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.30
             |                     
            
                2.90
             |                                 
            
                18,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2010
             | 
            
                +0.70 / +2.39%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.90
             |                           
            
                30.00
             | 
            
                29.90
             |                     
            
                2.90
             |                                 
            
                7,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2010
             | 
            
                +2.00 / +7.27%
             |             
            
                28.50
             |           
            
                30.00
             |               
            
                28.50
             |                           
            
                29.50
             | 
            
                29.13
             |                     
            
                2.85
             |                                 
            
                4,050
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2010
             | 
            
                -3.50 / -11.29%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                27.00
             |                           
            
                27.50
             | 
            
                27.40
             |                     
            
                2.66
             |                                 
            
                4,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2010
             | 
            
                +0.40 / +1.31%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                28.00
             |                           
            
                31.00
             | 
            
                30.40
             |                     
            
                2.99
             |                                 
            
                105,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2010
             | 
            
                +4.10 / +15.47%
             |             
            
                30.60
             |           
            
                30.60
             |               
            
                25.20
             |                           
            
                30.60
             | 
            
                28.80
             |                     
            
                2.96
             |                                 
            
                1,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2010
             | 
            
                -2.50 / -8.62%
             |             
            
                27.50
             |           
            
                31.00
             |               
            
                26.50
             |                           
            
                26.50
             | 
            
                27.90
             |                     
            
                2.56
             |                                 
            
                10,230
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2010
             | 
            
                +2.60 / +9.85%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                2.80
             |                                 
            
                50
             |  
            
                 
             |                                                              
             
    
         
    
    
 |