| 
                 
                    Closing price on 3/29/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    82.00 | 
                 
                
                    | High | 
                    83.00 | 
                 
                
                    | Low | 
                    82.00 | 
                     
                
                    | Volume | 
                    98,270 | 
                                 
                
                    | Split-adjusted Price | 
                    7.67 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/29/2007
             | 
            
                +3.50 / +4.40%
             |             
            
                82.00
             |           
            
                83.00
             |               
            
                82.00
             |                           
            
                83.00
             | 
            
                83.00
             |                     
            
                7.67
             |                                 
            
                98,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2007
             | 
            
                +3.50 / +4.61%
             |             
            
                76.00
             |           
            
                79.50
             |               
            
                76.00
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                7.34
             |                                 
            
                100,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2007
             | 
            
                -4.00 / -5.00%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                76.00
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                7.02
             |                                 
            
                176,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2007
             | 
            
                -4.00 / -4.76%
             |             
            
                80.00
             |           
            
                80.00
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                111,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2007
             | 
            
                0.00 / 0.00%
             |             
            
                84.00
             |           
            
                84.00
             |               
            
                84.00
             |                           
            
                84.00
             | 
            
                84.00
             |                     
            
                7.76
             |                                 
            
                61,660
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2007
             | 
            
                -4.00 / -4.55%
             |             
            
                86.00
             |           
            
                86.00
             |               
            
                84.00
             |                           
            
                84.00
             | 
            
                84.00
             |                     
            
                7.76
             |                                 
            
                90,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2007
             | 
            
                -2.50 / -2.76%
             |             
            
                90.50
             |           
            
                90.50
             |               
            
                88.00
             |                           
            
                88.00
             | 
            
                88.00
             |                     
            
                8.13
             |                                 
            
                43,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2007
             | 
            
                -4.50 / -4.74%
             |             
            
                90.50
             |           
            
                90.50
             |               
            
                90.50
             |                           
            
                90.50
             | 
            
                90.50
             |                     
            
                8.36
             |                                 
            
                100,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2007
             | 
            
                0.00 / 0.00%
             |             
            
                95.00
             |           
            
                95.00
             |               
            
                95.00
             |                           
            
                95.00
             | 
            
                95.00
             |                     
            
                8.78
             |                                 
            
                123,720
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2007
             | 
            
                +4.50 / +4.97%
             |             
            
                94.00
             |           
            
                95.00
             |               
            
                94.00
             |                           
            
                95.00
             | 
            
                95.00
             |                     
            
                8.78
             |                                 
            
                85,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2007
             | 
            
                -4.50 / -4.74%
             |             
            
                90.50
             |           
            
                90.50
             |               
            
                90.50
             |                           
            
                90.50
             | 
            
                90.50
             |                     
            
                8.36
             |                                 
            
                131,740
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2007
             | 
            
                -5.00 / -5.00%
             |             
            
                100.00
             |           
            
                100.00
             |               
            
                95.00
             |                           
            
                95.00
             | 
            
                95.00
             |                     
            
                8.78
             |                                 
            
                213,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2007
             | 
            
                +4.50 / +4.71%
             |             
            
                100.00
             |           
            
                100.00
             |               
            
                100.00
             |                           
            
                100.00
             | 
            
                100.00
             |                     
            
                9.24
             |                                 
            
                210,920
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2007
             | 
            
                +4.50 / +4.95%
             |             
            
                95.50
             |           
            
                95.50
             |               
            
                95.50
             |                           
            
                95.50
             | 
            
                95.50
             |                     
            
                8.82
             |                                 
            
                42,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2007
             | 
            
                +4.00 / +4.60%
             |             
            
                91.00
             |           
            
                91.00
             |               
            
                91.00
             |                           
            
                91.00
             | 
            
                91.00
             |                     
            
                8.41
             |                                 
            
                212,080
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2007
             | 
            
                +4.00 / +4.82%
             |             
            
                87.00
             |           
            
                87.00
             |               
            
                87.00
             |                           
            
                87.00
             | 
            
                87.00
             |                     
            
                8.04
             |                                 
            
                257,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2007
             | 
            
                -1.00 / -1.19%
             |             
            
                84.00
             |           
            
                85.00
             |               
            
                83.00
             |                           
            
                83.00
             | 
            
                83.00
             |                     
            
                7.67
             |                                 
            
                85,590
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2007
             | 
            
                +2.50 / +3.07%
             |             
            
                84.00
             |           
            
                85.50
             |               
            
                84.00
             |                           
            
                84.00
             | 
            
                84.00
             |                     
            
                7.76
             |                                 
            
                139,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2007
             | 
            
                +3.50 / +4.49%
             |             
            
                81.00
             |           
            
                81.50
             |               
            
                81.00
             |                           
            
                81.50
             | 
            
                81.50
             |                     
            
                7.53
             |                                 
            
                139,630
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2007
             | 
            
                +2.00 / +2.63%
             |             
            
                78.00
             |           
            
                79.00
             |               
            
                78.00
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                75,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2007
             | 
            
                -3.00 / -3.80%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                76.00
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                7.02
             |                                 
            
                69,480
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2007
             | 
            
                -4.00 / -4.82%
             |             
            
                83.00
             |           
            
                83.00
             |               
            
                79.00
             |                           
            
                79.00
             | 
            
                79.00
             |                     
            
                7.30
             |                                 
            
                46,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2007
             | 
            
                +3.50 / +4.40%
             |             
            
                83.00
             |           
            
                83.00
             |               
            
                83.00
             |                           
            
                83.00
             | 
            
                83.00
             |                     
            
                7.67
             |                                 
            
                77,830
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2007
             | 
            
                +3.50 / +4.61%
             |             
            
                79.50
             |           
            
                79.50
             |               
            
                79.50
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                7.34
             |                                 
            
                73,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2007
             | 
            
                -2.00 / -2.56%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                74.50
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                7.02
             |                                 
            
                51,640
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2007
             | 
            
                +3.50 / +4.70%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                78.00
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                109,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2007
             | 
            
                +3.50 / +4.93%
             |             
            
                73.00
             |           
            
                74.50
             |               
            
                73.00
             |                           
            
                74.50
             | 
            
                74.50
             |                     
            
                6.88
             |                                 
            
                125,590
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2007
             | 
            
                +2.00 / +2.90%
             |             
            
                69.00
             |           
            
                71.00
             |               
            
                67.50
             |                           
            
                71.00
             | 
            
                71.00
             |                     
            
                6.56
             |                                 
            
                40,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2007
             | 
            
                -2.00 / -2.82%
             |             
            
                70.50
             |           
            
                70.50
             |               
            
                67.50
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                6.37
             |                                 
            
                77,530
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2007
             | 
            
                0.00 / 0.00%
             |             
            
                71.00
             |           
            
                71.00
             |               
            
                71.00
             |                           
            
                71.00
             | 
            
                71.00
             |                     
            
                6.56
             |                                 
            
                60,360
             |  
            
                 
             |                                                              
             
    
         
    
    
 |