| 
                 
                    Closing price on 12/30/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.40 | 
                 
                
                    | High | 
                    6.50 | 
                 
                
                    | Low | 
                    6.30 | 
                     
                
                    | Volume | 
                    8,780 | 
                                 
                
                    | Split-adjusted Price | 
                    6.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DDM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/30/2010
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                8,780
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2010
             | 
            
                -0.10 / -1.54%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                14,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2010
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.60
             |                     
            
                6.50
             |                                 
            
                23,790
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2010
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                6.50
             |                                 
            
                5,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2010
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                6,810
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2010
             | 
            
                -0.20 / -3.03%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                10,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2010
             | 
            
                +0.10 / +1.54%
             |             
            
                6.50
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                52,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2010
             | 
            
                +0.30 / +4.84%
             |             
            
                6.20
             |           
            
                6.50
             |               
            
                6.20
             |                           
            
                6.50
             | 
            
                6.35
             |                     
            
                6.50
             |                                 
            
                20,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2010
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.28
             |                     
            
                6.20
             |                                 
            
                32,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2010
             | 
            
                +0.10 / +1.64%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                17,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2010
             | 
            
                -0.30 / -4.69%
             |             
            
                6.20
             |           
            
                6.40
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.20
             |                     
            
                6.10
             |                                 
            
                36,880
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2010
             | 
            
                -0.10 / -1.54%
             |             
            
                6.30
             |           
            
                6.70
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.43
             |                     
            
                6.40
             |                                 
            
                24,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2010
             | 
            
                -0.20 / -2.99%
             |             
            
                6.40
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.50
             | 
            
                6.40
             |                     
            
                6.50
             |                                 
            
                74,770
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.68
             |                     
            
                6.70
             |                                 
            
                46,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2010
             | 
            
                +0.10 / +1.59%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.20
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                16,520
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2010
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.40
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.40
             |                     
            
                6.30
             |                                 
            
                31,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2010
             | 
            
                -0.30 / -4.55%
             |             
            
                6.40
             |           
            
                6.60
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                24,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2010
             | 
            
                -0.20 / -2.94%
             |             
            
                6.90
             |           
            
                7.10
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.80
             |                     
            
                6.60
             |                                 
            
                56,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2010
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.83
             |                     
            
                6.80
             |                                 
            
                73,480
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2010
             | 
            
                +0.30 / +4.76%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                54,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2010
             | 
            
                +0.30 / +5.00%
             |             
            
                6.00
             |           
            
                6.30
             |               
            
                5.90
             |                           
            
                6.30
             | 
            
                6.13
             |                     
            
                6.30
             |                                 
            
                31,960
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2010
             | 
            
                -0.20 / -3.23%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.30
             |                     
            
                6.00
             |                                 
            
                34,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2010
             | 
            
                +0.20 / +3.33%
             |             
            
                6.00
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.00
             |                     
            
                6.20
             |                                 
            
                63,670
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2010
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                6.00
             |               
            
                5.60
             |                           
            
                6.00
             | 
            
                5.80
             |                     
            
                6.00
             |                                 
            
                17,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2010
             | 
            
                -0.10 / -1.69%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                5.80
             |                                 
            
                21,420
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2010
             | 
            
                +0.20 / +3.51%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.90
             | 
            
                5.80
             |                     
            
                5.90
             |                                 
            
                23,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2010
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.73
             |                     
            
                5.70
             |                                 
            
                12,120
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2010
             | 
            
                +0.10 / +1.79%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                5.70
             |                                 
            
                13,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2010
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.70
             |                     
            
                5.60
             |                                 
            
                26,290
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2010
             | 
            
                -0.10 / -1.69%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                5.80
             |                                 
            
                17,370
             |  
            
                 
             |                                                              
             
    
         
    
    
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