| 
                 
                    Closing price on 3/7/2006
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    59.00 | 
                 
                
                    | High | 
                    59.00 | 
                 
                
                    | Low | 
                    59.00 | 
                     
                
                    | Volume | 
                    28,470 | 
                                 
                
                    | Split-adjusted Price | 
                    3.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/7/2006
             | 
            
                +0.50 / +0.85%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                3.70
             |                                 
            
                28,470
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2006
             | 
            
                +2.50 / +4.46%
             |             
            
                58.00
             |           
            
                58.50
             |               
            
                58.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                3.67
             |                                 
            
                29,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2006
             | 
            
                -2.50 / -4.27%
             |             
            
                58.50
             |           
            
                61.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                3.51
             |                                 
            
                55,770
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2006
             | 
            
                +2.50 / +4.46%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                3.67
             |                                 
            
                12,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2006
             | 
            
                +2.50 / +4.67%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                3.51
             |                                 
            
                35,990
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2006
             | 
            
                +2.50 / +4.90%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.50
             |                     
            
                3.35
             |                                 
            
                17,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2006
             | 
            
                +1.40 / +2.82%
             |             
            
                50.50
             |           
            
                51.00
             |               
            
                50.50
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                3.20
             |                                 
            
                22,910
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2006
             | 
            
                +0.80 / +1.64%
             |             
            
                49.00
             |           
            
                49.60
             |               
            
                49.00
             |                           
            
                49.60
             | 
            
                49.60
             |                     
            
                3.11
             |                                 
            
                10,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2006
             | 
            
                +1.20 / +2.52%
             |             
            
                48.00
             |           
            
                48.80
             |               
            
                48.00
             |                           
            
                48.80
             | 
            
                48.80
             |                     
            
                3.06
             |                                 
            
                37,740
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2006
             | 
            
                -0.90 / -1.86%
             |             
            
                48.50
             |           
            
                48.60
             |               
            
                47.60
             |                           
            
                47.60
             | 
            
                47.60
             |                     
            
                2.98
             |                                 
            
                13,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2006
             | 
            
                -2.50 / -4.90%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.50
             |                     
            
                3.04
             |                                 
            
                23,540
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2006
             | 
            
                +2.00 / +4.08%
             |             
            
                49.00
             |           
            
                51.00
             |               
            
                49.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                3.20
             |                                 
            
                6,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2006
             | 
            
                +0.40 / +0.82%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                3.07
             |                                 
            
                31,190
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2006
             | 
            
                +0.40 / +0.83%
             |             
            
                48.50
             |           
            
                48.60
             |               
            
                48.50
             |                           
            
                48.60
             | 
            
                48.60
             |                     
            
                3.04
             |                                 
            
                6,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2006
             | 
            
                +0.60 / +1.26%
             |             
            
                48.20
             |           
            
                48.60
             |               
            
                48.20
             |                           
            
                48.20
             | 
            
                48.20
             |                     
            
                3.02
             |                                 
            
                11,550
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2006
             | 
            
                +0.40 / +0.85%
             |             
            
                47.50
             |           
            
                47.60
             |               
            
                47.50
             |                           
            
                47.60
             | 
            
                47.60
             |                     
            
                2.98
             |                                 
            
                17,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2006
             | 
            
                -0.80 / -1.67%
             |             
            
                47.50
             |           
            
                47.50
             |               
            
                47.20
             |                           
            
                47.20
             | 
            
                47.20
             |                     
            
                2.96
             |                                 
            
                17,040
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2006
             | 
            
                -0.50 / -1.03%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                3.01
             |                                 
            
                5,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2006
             | 
            
                -0.50 / -1.02%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.50
             |                     
            
                3.04
             |                                 
            
                5,860
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2006
             | 
            
                +1.20 / +2.51%
             |             
            
                48.50
             |           
            
                49.00
             |               
            
                48.50
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                3.07
             |                                 
            
                17,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2006
             | 
            
                +0.70 / +1.49%
             |             
            
                47.50
             |           
            
                47.80
             |               
            
                47.50
             |                           
            
                47.80
             | 
            
                47.80
             |                     
            
                2.99
             |                                 
            
                14,540
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2006
             | 
            
                +0.30 / +0.64%
             |             
            
                47.10
             |           
            
                47.10
             |               
            
                47.10
             |                           
            
                47.10
             | 
            
                47.10
             |                     
            
                2.95
             |                                 
            
                8,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2006
             | 
            
                +0.30 / +0.65%
             |             
            
                46.80
             |           
            
                47.90
             |               
            
                46.80
             |                           
            
                46.80
             | 
            
                46.80
             |                     
            
                2.93
             |                                 
            
                26,210
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2006
             | 
            
                +2.20 / +4.97%
             |             
            
                46.50
             |           
            
                46.50
             |               
            
                46.50
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                2.91
             |                                 
            
                15,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2006
             | 
            
                +0.20 / +0.45%
             |             
            
                44.30
             |           
            
                44.30
             |               
            
                44.30
             |                           
            
                44.30
             | 
            
                44.30
             |                     
            
                2.78
             |                                 
            
                4,460
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2006
             | 
            
                0.00 / 0.00%
             |             
            
                44.10
             |           
            
                44.10
             |               
            
                44.10
             |                           
            
                44.10
             | 
            
                44.10
             |                     
            
                2.76
             |                                 
            
                2,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2006
             | 
            
                0.00 / 0.00%
             |             
            
                44.10
             |           
            
                44.10
             |               
            
                44.10
             |                           
            
                44.10
             | 
            
                44.10
             |                     
            
                2.76
             |                                 
            
                5,880
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2006
             | 
            
                +0.10 / +0.23%
             |             
            
                44.00
             |           
            
                44.10
             |               
            
                44.00
             |                           
            
                44.10
             | 
            
                44.10
             |                     
            
                2.76
             |                                 
            
                2,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2006
             | 
            
                +0.30 / +0.69%
             |             
            
                43.70
             |           
            
                44.00
             |               
            
                43.70
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                2.76
             |                                 
            
                4,960
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2006
             | 
            
                +0.40 / +0.92%
             |             
            
                43.50
             |           
            
                43.70
             |               
            
                43.50
             |                           
            
                43.70
             | 
            
                43.70
             |                     
            
                2.74
             |                                 
            
                9,470
             |  
            
                 
             |                                                              
             
    
         
    
    
 |