| 
                 
                    Closing price on 6/8/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    45.60 | 
                 
                
                    | High | 
                    45.90 | 
                 
                
                    | Low | 
                    45.30 | 
                     
                
                    | Volume | 
                    40,240 | 
                                 
                
                    | Split-adjusted Price | 
                    7.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/8/2010
             | 
            
                -0.30 / -0.66%
             |             
            
                45.60
             |           
            
                45.90
             |               
            
                45.30
             |                           
            
                45.30
             | 
            
                45.30
             |                     
            
                7.01
             |                                 
            
                40,240
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2010
             | 
            
                -0.90 / -1.94%
             |             
            
                46.50
             |           
            
                46.50
             |               
            
                45.00
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                7.06
             |                                 
            
                21,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2010
             | 
            
                0.00 / 0.00%
             |             
            
                47.50
             |           
            
                47.50
             |               
            
                46.30
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                7.20
             |                                 
            
                16,650
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2010
             | 
            
                0.00 / 0.00%
             |             
            
                47.70
             |           
            
                47.70
             |               
            
                46.50
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                7.20
             |                                 
            
                22,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2010
             | 
            
                -0.90 / -1.90%
             |             
            
                46.00
             |           
            
                47.20
             |               
            
                46.00
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                7.20
             |                                 
            
                77,380
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                47.00
             |           
            
                47.40
             |               
            
                46.50
             |                           
            
                47.40
             | 
            
                47.40
             |                     
            
                7.34
             |                                 
            
                16,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2010
             | 
            
                -0.60 / -1.25%
             |             
            
                47.00
             |           
            
                48.00
             |               
            
                47.00
             |                           
            
                47.40
             | 
            
                47.40
             |                     
            
                7.34
             |                                 
            
                45,650
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2010
             | 
            
                +1.00 / +2.13%
             |             
            
                48.90
             |           
            
                48.90
             |               
            
                47.10
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                7.43
             |                                 
            
                50,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2010
             | 
            
                +0.90 / +1.95%
             |             
            
                45.50
             |           
            
                47.00
             |               
            
                45.50
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                7.27
             |                                 
            
                4,230
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2010
             | 
            
                +0.80 / +1.77%
             |             
            
                45.10
             |           
            
                46.90
             |               
            
                45.10
             |                           
            
                46.10
             | 
            
                46.10
             |                     
            
                7.14
             |                                 
            
                43,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2010
             | 
            
                -0.60 / -1.31%
             |             
            
                45.80
             |           
            
                45.80
             |               
            
                45.00
             |                           
            
                45.30
             | 
            
                45.30
             |                     
            
                7.01
             |                                 
            
                114,570
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2010
             | 
            
                +0.30 / +0.66%
             |             
            
                45.60
             |           
            
                47.30
             |               
            
                45.00
             |                           
            
                45.90
             | 
            
                45.90
             |                     
            
                7.10
             |                                 
            
                129,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2010
             | 
            
                -2.40 / -5.00%
             |             
            
                45.80
             |           
            
                47.80
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                7.06
             |                                 
            
                141,840
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2010
             | 
            
                +1.00 / +2.13%
             |             
            
                45.10
             |           
            
                48.00
             |               
            
                45.10
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                7.43
             |                                 
            
                33,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2010
             | 
            
                -1.50 / -3.09%
             |             
            
                47.50
             |           
            
                48.20
             |               
            
                46.50
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                7.27
             |                                 
            
                151,350
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2010
             | 
            
                +0.80 / +1.68%
             |             
            
                48.00
             |           
            
                48.50
             |               
            
                47.70
             |                           
            
                48.50
             | 
            
                48.50
             |                     
            
                7.51
             |                                 
            
                67,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2010
             | 
            
                -0.10 / -0.21%
             |             
            
                47.80
             |           
            
                47.90
             |               
            
                47.50
             |                           
            
                47.70
             | 
            
                47.70
             |                     
            
                7.38
             |                                 
            
                34,610
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2010
             | 
            
                +0.10 / +0.21%
             |             
            
                48.10
             |           
            
                48.50
             |               
            
                47.70
             |                           
            
                47.80
             | 
            
                47.80
             |                     
            
                7.40
             |                                 
            
                58,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2010
             | 
            
                -0.10 / -0.21%
             |             
            
                47.80
             |           
            
                49.00
             |               
            
                47.70
             |                           
            
                47.70
             | 
            
                47.70
             |                     
            
                7.38
             |                                 
            
                115,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2010
             | 
            
                -2.20 / -4.40%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                47.80
             |                           
            
                47.80
             | 
            
                47.80
             |                     
            
                7.40
             |                                 
            
                80,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2010
             | 
            
                +0.20 / +0.40%
             |             
            
                49.80
             |           
            
                51.00
             |               
            
                49.80
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                7.74
             |                                 
            
                38,320
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2010
             | 
            
                -1.70 / -3.30%
             |             
            
                50.50
             |           
            
                51.00
             |               
            
                49.60
             |                           
            
                49.80
             | 
            
                49.80
             |                     
            
                7.71
             |                                 
            
                63,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2010
             | 
            
                -1.50 / -2.83%
             |             
            
                51.00
             |           
            
                52.50
             |               
            
                50.50
             |                           
            
                51.50
             | 
            
                51.50
             |                     
            
                7.97
             |                                 
            
                180,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2010
             | 
            
                -0.50 / -0.93%
             |             
            
                53.00
             |           
            
                54.00
             |               
            
                53.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                8.20
             |                                 
            
                134,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2010
             | 
            
                0.00 / 0.00%
             |             
            
                52.50
             |           
            
                54.00
             |               
            
                52.00
             |                           
            
                53.50
             | 
            
                53.50
             |                     
            
                8.28
             |                                 
            
                231,430
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2010
             | 
            
                +1.00 / +1.90%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                52.50
             |                           
            
                53.50
             | 
            
                53.50
             |                     
            
                8.28
             |                                 
            
                69,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2010
             | 
            
                +2.50 / +5.00%
             |             
            
                50.00
             |           
            
                52.50
             |               
            
                50.00
             |                           
            
                52.50
             | 
            
                52.50
             |                     
            
                8.13
             |                                 
            
                170,980
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2010
             | 
            
                -2.00 / -3.85%
             |             
            
                51.50
             |           
            
                51.50
             |               
            
                49.40
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                7.74
             |                                 
            
                65,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2010
             | 
            
                0.00 / 0.00%
             |             
            
                50.50
             |           
            
                52.00
             |               
            
                50.00
             |                           
            
                52.00
             | 
            
                52.00
             |                     
            
                8.05
             |                                 
            
                71,760
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                51.00
             |                           
            
                52.00
             | 
            
                52.00
             |                     
            
                8.05
             |                                 
            
                150,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |