| 
                 
                    Closing price on 1/8/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    56.50 | 
                 
                
                    | High | 
                    56.50 | 
                 
                
                    | Low | 
                    55.50 | 
                     
                
                    | Volume | 
                    10,930 | 
                                 
                
                    | Split-adjusted Price | 
                    7.16 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/8/2008
             | 
            
                +1.00 / +1.83%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                7.16
             |                                 
            
                10,930
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2008
             | 
            
                -2.50 / -4.39%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                54.50
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                7.03
             |                                 
            
                12,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2008
             | 
            
                -1.00 / -1.72%
             |             
            
                56.50
             |           
            
                57.50
             |               
            
                56.50
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                7.36
             |                                 
            
                11,940
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2008
             | 
            
                -0.50 / -0.85%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                57.50
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                7.49
             |                                 
            
                14,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/2/2008
             | 
            
                -1.50 / -2.50%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                7.55
             |                                 
            
                11,150
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2007
             | 
            
                -1.00 / -1.64%
             |             
            
                60.00
             |           
            
                60.50
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                7.74
             |                                 
            
                10,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2007
             | 
            
                +1.00 / +1.67%
             |             
            
                60.00
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                7.87
             |                                 
            
                14,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/26/2007
             | 
            
                0.00 / 0.00%
             |             
            
                59.00
             |           
            
                61.00
             |               
            
                59.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                7.74
             |                                 
            
                13,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/25/2007
             | 
            
                -0.50 / -0.83%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                7.74
             |                                 
            
                18,540
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2007
             | 
            
                0.00 / 0.00%
             |             
            
                61.00
             |           
            
                61.50
             |               
            
                60.00
             |                           
            
                60.50
             | 
            
                60.50
             |                     
            
                7.81
             |                                 
            
                13,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2007
             | 
            
                +1.00 / +1.68%
             |             
            
                60.00
             |           
            
                60.50
             |               
            
                60.00
             |                           
            
                60.50
             | 
            
                60.50
             |                     
            
                7.81
             |                                 
            
                21,020
             |            
            
                 
             |                                       
         
    
        
            | 
                12/20/2007
             | 
            
                -1.50 / -2.46%
             |             
            
                61.00
             |           
            
                62.00
             |               
            
                59.50
             |                           
            
                59.50
             | 
            
                59.50
             |                     
            
                7.68
             |                                 
            
                14,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/19/2007
             | 
            
                +2.50 / +4.27%
             |             
            
                60.50
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                7.87
             |                                 
            
                21,450
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2007
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                58.50
             |               
            
                57.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                7.55
             |                                 
            
                18,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2007
             | 
            
                -2.00 / -3.31%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                7.55
             |                                 
            
                19,390
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2007
             | 
            
                -1.50 / -2.42%
             |             
            
                61.00
             |           
            
                61.50
             |               
            
                60.50
             |                           
            
                60.50
             | 
            
                60.50
             |                     
            
                7.81
             |                                 
            
                16,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2007
             | 
            
                0.00 / 0.00%
             |             
            
                62.50
             |           
            
                62.50
             |               
            
                62.00
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                8.00
             |                                 
            
                6,860
             |            
            
                 
             |                                       
         
    
        
            | 
                12/12/2007
             | 
            
                0.00 / 0.00%
             |             
            
                60.50
             |           
            
                64.00
             |               
            
                60.50
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                8.00
             |                                 
            
                24,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2007
             | 
            
                -1.50 / -2.36%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                62.00
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                8.00
             |                                 
            
                12,220
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2007
             | 
            
                -0.50 / -0.78%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                63.50
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                8.20
             |                                 
            
                26,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2007
             | 
            
                +0.50 / +0.79%
             |             
            
                64.50
             |           
            
                64.50
             |               
            
                63.50
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                8.26
             |                                 
            
                15,280
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2007
             | 
            
                -1.00 / -1.55%
             |             
            
                63.50
             |           
            
                64.50
             |               
            
                63.50
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                8.20
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2007
             | 
            
                -1.00 / -1.53%
             |             
            
                63.00
             |           
            
                64.50
             |               
            
                63.00
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                8.32
             |                                 
            
                127,610
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2007
             | 
            
                +1.00 / +1.55%
             |             
            
                64.00
             |           
            
                65.50
             |               
            
                64.00
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                8.45
             |                                 
            
                57,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2007
             | 
            
                -1.50 / -2.27%
             |             
            
                64.00
             |           
            
                65.50
             |               
            
                64.00
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                8.32
             |                                 
            
                67,060
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2007
             | 
            
                -2.00 / -2.94%
             |             
            
                65.00
             |           
            
                66.50
             |               
            
                65.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                8.52
             |                                 
            
                94,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2007
             | 
            
                -2.00 / -2.86%
             |             
            
                70.50
             |           
            
                70.50
             |               
            
                68.00
             |                           
            
                68.00
             | 
            
                68.00
             |                     
            
                8.78
             |                                 
            
                11,550
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2007
             | 
            
                -25.00 / -26.32%
             |             
            
                71.00
             |           
            
                71.00
             |               
            
                69.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                9.03
             |                                 
            
                67,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2007
             | 
            
                -2.00 / -2.06%
             |             
            
                97.00
             |           
            
                97.00
             |               
            
                95.00
             |                           
            
                95.00
             | 
            
                95.00
             |                     
            
                8.78
             |                                 
            
                70,190
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2007
             | 
            
                +1.00 / +1.04%
             |             
            
                96.00
             |           
            
                97.00
             |               
            
                96.00
             |                           
            
                97.00
             | 
            
                97.00
             |                     
            
                8.96
             |                                 
            
                52,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |