| 
                 
                    Closing price on 6/22/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    79.00 | 
                 
                
                    | High | 
                    79.00 | 
                 
                
                    | Low | 
                    78.00 | 
                     
                
                    | Volume | 
                    11,380 | 
                                 
                
                    | Split-adjusted Price | 
                    7.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/22/2007
             | 
            
                0.00 / 0.00%
             |             
            
                79.00
             |           
            
                79.00
             |               
            
                78.00
             |                           
            
                79.00
             | 
            
                79.00
             |                     
            
                7.30
             |                                 
            
                11,380
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2007
             | 
            
                -1.00 / -1.25%
             |             
            
                79.00
             |           
            
                79.00
             |               
            
                78.00
             |                           
            
                79.00
             | 
            
                79.00
             |                     
            
                7.30
             |                                 
            
                66,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2007
             | 
            
                0.00 / 0.00%
             |             
            
                80.00
             |           
            
                80.00
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                21,890
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2007
             | 
            
                0.00 / 0.00%
             |             
            
                80.00
             |           
            
                80.50
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                34,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2007
             | 
            
                +0.50 / +0.63%
             |             
            
                80.00
             |           
            
                80.00
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                15,270
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2007
             | 
            
                +1.00 / +1.27%
             |             
            
                79.00
             |           
            
                79.50
             |               
            
                79.00
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                7.34
             |                                 
            
                16,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2007
             | 
            
                -0.50 / -0.63%
             |             
            
                79.00
             |           
            
                79.50
             |               
            
                78.50
             |                           
            
                78.50
             | 
            
                78.50
             |                     
            
                7.25
             |                                 
            
                30,770
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2007
             | 
            
                -0.50 / -0.63%
             |             
            
                79.50
             |           
            
                79.50
             |               
            
                79.00
             |                           
            
                79.00
             | 
            
                79.00
             |                     
            
                7.30
             |                                 
            
                26,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2007
             | 
            
                -0.50 / -0.63%
             |             
            
                80.00
             |           
            
                80.00
             |               
            
                79.50
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                7.34
             |                                 
            
                29,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2007
             | 
            
                -0.50 / -0.62%
             |             
            
                80.00
             |           
            
                80.00
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                21,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2007
             | 
            
                -0.50 / -0.62%
             |             
            
                81.00
             |           
            
                81.00
             |               
            
                80.50
             |                           
            
                80.50
             | 
            
                80.50
             |                     
            
                7.44
             |                                 
            
                30,090
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2007
             | 
            
                +0.50 / +0.62%
             |             
            
                81.00
             |           
            
                82.00
             |               
            
                81.00
             |                           
            
                81.00
             | 
            
                81.00
             |                     
            
                7.48
             |                                 
            
                58,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2007
             | 
            
                +0.50 / +0.63%
             |             
            
                80.00
             |           
            
                80.50
             |               
            
                80.00
             |                           
            
                80.50
             | 
            
                80.50
             |                     
            
                7.44
             |                                 
            
                46,380
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2007
             | 
            
                +0.50 / +0.63%
             |             
            
                79.50
             |           
            
                80.00
             |               
            
                79.50
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                61,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2007
             | 
            
                -2.00 / -2.45%
             |             
            
                80.00
             |           
            
                80.00
             |               
            
                79.50
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                7.34
             |                                 
            
                42,870
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2007
             | 
            
                0.00 / 0.00%
             |             
            
                81.50
             |           
            
                83.00
             |               
            
                81.50
             |                           
            
                81.50
             | 
            
                81.50
             |                     
            
                7.53
             |                                 
            
                150,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2007
             | 
            
                +3.50 / +4.49%
             |             
            
                81.00
             |           
            
                81.50
             |               
            
                81.00
             |                           
            
                81.50
             | 
            
                81.50
             |                     
            
                7.53
             |                                 
            
                99,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2007
             | 
            
                -2.00 / -2.50%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                77.50
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                28,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2007
             | 
            
                -1.00 / -1.23%
             |             
            
                80.00
             |           
            
                81.00
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                34,550
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2007
             | 
            
                0.00 / 0.00%
             |             
            
                81.00
             |           
            
                84.50
             |               
            
                81.00
             |                           
            
                81.00
             | 
            
                81.00
             |                     
            
                7.48
             |                                 
            
                81,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2007
             | 
            
                +1.00 / +1.25%
             |             
            
                80.00
             |           
            
                81.00
             |               
            
                80.00
             |                           
            
                81.00
             | 
            
                81.00
             |                     
            
                7.48
             |                                 
            
                75,320
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2007
             | 
            
                -3.00 / -3.61%
             |             
            
                80.00
             |           
            
                81.50
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                79,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2007
             | 
            
                +1.50 / +1.84%
             |             
            
                83.00
             |           
            
                85.50
             |               
            
                83.00
             |                           
            
                83.00
             | 
            
                83.00
             |                     
            
                7.67
             |                                 
            
                186,220
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2007
             | 
            
                +3.50 / +4.49%
             |             
            
                81.50
             |           
            
                81.50
             |               
            
                81.50
             |                           
            
                81.50
             | 
            
                81.50
             |                     
            
                7.53
             |                                 
            
                43,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2007
             | 
            
                +3.00 / +4.00%
             |             
            
                75.00
             |           
            
                78.00
             |               
            
                75.00
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                59,990
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2007
             | 
            
                0.00 / 0.00%
             |             
            
                75.00
             |           
            
                75.50
             |               
            
                75.00
             |                           
            
                75.00
             | 
            
                75.00
             |                     
            
                6.93
             |                                 
            
                39,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2007
             | 
            
                +2.50 / +3.45%
             |             
            
                72.50
             |           
            
                75.00
             |               
            
                72.00
             |                           
            
                75.00
             | 
            
                75.00
             |                     
            
                6.93
             |                                 
            
                27,440
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2007
             | 
            
                -2.50 / -3.33%
             |             
            
                72.50
             |           
            
                74.00
             |               
            
                72.50
             |                           
            
                72.50
             | 
            
                72.50
             |                     
            
                6.70
             |                                 
            
                26,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2007
             | 
            
                +1.50 / +2.04%
             |             
            
                74.00
             |           
            
                75.00
             |               
            
                74.00
             |                           
            
                75.00
             | 
            
                75.00
             |                     
            
                6.93
             |                                 
            
                92,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2007
             | 
            
                +1.50 / +2.08%
             |             
            
                72.50
             |           
            
                73.50
             |               
            
                72.50
             |                           
            
                73.50
             | 
            
                73.50
             |                     
            
                6.79
             |                                 
            
                45,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |