| 
                 
                    Closing price on 8/31/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    78.50 | 
                 
                
                    | High | 
                    80.00 | 
                 
                
                    | Low | 
                    78.50 | 
                     
                
                    | Volume | 
                    79,560 | 
                                 
                
                    | Split-adjusted Price | 
                    7.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/31/2007
             | 
            
                +1.50 / +1.91%
             |             
            
                78.50
             |           
            
                80.00
             |               
            
                78.50
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                79,560
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2007
             | 
            
                +1.00 / +1.29%
             |             
            
                78.00
             |           
            
                78.50
             |               
            
                77.00
             |                           
            
                78.50
             | 
            
                78.50
             |                     
            
                7.25
             |                                 
            
                24,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2007
             | 
            
                -0.50 / -0.64%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                77.50
             |                           
            
                77.50
             | 
            
                77.50
             |                     
            
                7.16
             |                                 
            
                15,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2007
             | 
            
                0.00 / 0.00%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                77.50
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                11,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2007
             | 
            
                0.00 / 0.00%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                77.00
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                19,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2007
             | 
            
                +1.00 / +1.30%
             |             
            
                77.00
             |           
            
                78.00
             |               
            
                76.50
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                19,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2007
             | 
            
                0.00 / 0.00%
             |             
            
                77.00
             |           
            
                78.00
             |               
            
                77.00
             |                           
            
                77.00
             | 
            
                77.00
             |                     
            
                7.11
             |                                 
            
                4,760
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2007
             | 
            
                -1.00 / -1.28%
             |             
            
                77.00
             |           
            
                78.00
             |               
            
                77.00
             |                           
            
                77.00
             | 
            
                77.00
             |                     
            
                7.11
             |                                 
            
                10,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2007
             | 
            
                -1.50 / -1.89%
             |             
            
                79.00
             |           
            
                79.00
             |               
            
                78.00
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                11,320
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2007
             | 
            
                +3.50 / +4.61%
             |             
            
                77.00
             |           
            
                79.50
             |               
            
                76.00
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                7.34
             |                                 
            
                74,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2007
             | 
            
                -1.00 / -1.30%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                75.00
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                7.02
             |                                 
            
                27,820
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2007
             | 
            
                0.00 / 0.00%
             |             
            
                76.50
             |           
            
                77.00
             |               
            
                76.00
             |                           
            
                77.00
             | 
            
                77.00
             |                     
            
                7.11
             |                                 
            
                12,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2007
             | 
            
                +0.50 / +0.65%
             |             
            
                77.00
             |           
            
                77.00
             |               
            
                76.50
             |                           
            
                77.00
             | 
            
                77.00
             |                     
            
                7.11
             |                                 
            
                24,460
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2007
             | 
            
                +0.50 / +0.66%
             |             
            
                76.00
             |           
            
                77.00
             |               
            
                76.00
             |                           
            
                76.50
             | 
            
                76.50
             |                     
            
                7.07
             |                                 
            
                4,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2007
             | 
            
                -2.00 / -2.56%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                75.00
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                7.02
             |                                 
            
                30,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2007
             | 
            
                -1.50 / -1.89%
             |             
            
                79.00
             |           
            
                79.00
             |               
            
                77.00
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                7.21
             |                                 
            
                17,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2007
             | 
            
                +3.50 / +4.61%
             |             
            
                77.00
             |           
            
                79.50
             |               
            
                77.00
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                7.34
             |                                 
            
                18,290
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2007
             | 
            
                0.00 / 0.00%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                76.00
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                7.02
             |                                 
            
                7,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2007
             | 
            
                0.00 / 0.00%
             |             
            
                75.50
             |           
            
                76.00
             |               
            
                75.50
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                7.02
             |                                 
            
                10,290
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2007
             | 
            
                -1.00 / -1.30%
             |             
            
                76.00
             |           
            
                76.50
             |               
            
                76.00
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                7.02
             |                                 
            
                10,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2007
             | 
            
                0.00 / 0.00%
             |             
            
                77.00
             |           
            
                77.00
             |               
            
                77.00
             |                           
            
                77.00
             | 
            
                77.00
             |                     
            
                7.11
             |                                 
            
                3,630
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2007
             | 
            
                -2.00 / -2.53%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                77.00
             |                           
            
                77.00
             | 
            
                77.00
             |                     
            
                7.11
             |                                 
            
                23,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2007
             | 
            
                +2.00 / +2.60%
             |             
            
                77.00
             |           
            
                79.00
             |               
            
                75.50
             |                           
            
                79.00
             | 
            
                79.00
             |                     
            
                7.30
             |                                 
            
                32,040
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2007
             | 
            
                -1.50 / -1.91%
             |             
            
                77.50
             |           
            
                77.50
             |               
            
                75.50
             |                           
            
                77.00
             | 
            
                77.00
             |                     
            
                7.11
             |                                 
            
                43,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2007
             | 
            
                0.00 / 0.00%
             |             
            
                78.50
             |           
            
                78.50
             |               
            
                76.00
             |                           
            
                78.50
             | 
            
                78.50
             |                     
            
                7.25
             |                                 
            
                12,580
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2007
             | 
            
                -1.00 / -1.26%
             |             
            
                79.00
             |           
            
                79.00
             |               
            
                78.00
             |                           
            
                78.50
             | 
            
                78.50
             |                     
            
                7.25
             |                                 
            
                6,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2007
             | 
            
                -0.50 / -0.63%
             |             
            
                79.50
             |           
            
                79.50
             |               
            
                79.00
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                7.34
             |                                 
            
                19,730
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2007
             | 
            
                -1.00 / -1.23%
             |             
            
                80.50
             |           
            
                80.50
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                7.39
             |                                 
            
                9,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2007
             | 
            
                -1.00 / -1.22%
             |             
            
                82.00
             |           
            
                82.00
             |               
            
                81.00
             |                           
            
                81.00
             | 
            
                81.00
             |                     
            
                7.48
             |                                 
            
                19,190
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2007
             | 
            
                +1.00 / +1.23%
             |             
            
                81.00
             |           
            
                82.00
             |               
            
                81.00
             |                           
            
                82.00
             | 
            
                82.00
             |                     
            
                7.58
             |                                 
            
                61,180
             |  
            
                 
             |                                                              
             
    
         
    
    
 |