| 
                 
                    Closing price on 2/26/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    41.00 | 
                 
                
                    | High | 
                    41.40 | 
                 
                
                    | Low | 
                    40.50 | 
                     
                
                    | Volume | 
                    10,600 | 
                                 
                
                    | Split-adjusted Price | 
                    6.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/26/2010
             | 
            
                +0.90 / +2.22%
             |             
            
                41.00
             |           
            
                41.40
             |               
            
                40.50
             |                           
            
                41.40
             | 
            
                41.40
             |                     
            
                6.41
             |                                 
            
                10,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2010
             | 
            
                +0.30 / +0.75%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                40.50
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                6.27
             |                                 
            
                21,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2010
             | 
            
                +0.20 / +0.50%
             |             
            
                40.00
             |           
            
                40.20
             |               
            
                40.00
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                6.22
             |                                 
            
                20,140
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2010
             | 
            
                -1.10 / -2.68%
             |             
            
                40.00
             |           
            
                41.00
             |               
            
                40.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                6.19
             |                                 
            
                29,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2010
             | 
            
                +0.80 / +1.99%
             |             
            
                41.50
             |           
            
                41.50
             |               
            
                41.00
             |                           
            
                41.10
             | 
            
                41.10
             |                     
            
                6.36
             |                                 
            
                34,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2010
             | 
            
                +0.10 / +0.25%
             |             
            
                41.80
             |           
            
                41.80
             |               
            
                40.20
             |                           
            
                40.30
             | 
            
                40.30
             |                     
            
                6.24
             |                                 
            
                6,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2010
             | 
            
                +1.30 / +3.34%
             |             
            
                40.20
             |           
            
                40.20
             |               
            
                40.20
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                6.22
             |                                 
            
                16,230
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2010
             | 
            
                0.00 / 0.00%
             |             
            
                38.90
             |           
            
                39.50
             |               
            
                38.90
             |                           
            
                38.90
             | 
            
                38.90
             |                     
            
                6.02
             |                                 
            
                12,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2010
             | 
            
                -0.70 / -1.77%
             |             
            
                38.80
             |           
            
                39.30
             |               
            
                38.80
             |                           
            
                38.90
             | 
            
                38.90
             |                     
            
                6.02
             |                                 
            
                22,530
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2010
             | 
            
                -0.90 / -2.22%
             |             
            
                39.60
             |           
            
                40.70
             |               
            
                39.60
             |                           
            
                39.60
             | 
            
                39.60
             |                     
            
                6.13
             |                                 
            
                6,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2010
             | 
            
                -0.90 / -2.17%
             |             
            
                41.40
             |           
            
                41.40
             |               
            
                40.00
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                6.27
             |                                 
            
                42,620
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2010
             | 
            
                -0.60 / -1.43%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                41.40
             |                           
            
                41.40
             | 
            
                41.40
             |                     
            
                6.41
             |                                 
            
                50,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2010
             | 
            
                +0.50 / +1.20%
             |             
            
                42.10
             |           
            
                42.10
             |               
            
                40.50
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                6.50
             |                                 
            
                45,040
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2010
             | 
            
                -0.50 / -1.19%
             |             
            
                42.50
             |           
            
                42.50
             |               
            
                41.00
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                6.42
             |                                 
            
                54,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2010
             | 
            
                -0.50 / -1.18%
             |             
            
                42.40
             |           
            
                42.50
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                6.50
             |                                 
            
                25,190
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2010
             | 
            
                -0.10 / -0.23%
             |             
            
                41.40
             |           
            
                42.50
             |               
            
                41.40
             |                           
            
                42.50
             | 
            
                42.50
             |                     
            
                6.58
             |                                 
            
                7,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2010
             | 
            
                +0.10 / +0.24%
             |             
            
                42.20
             |           
            
                42.60
             |               
            
                42.00
             |                           
            
                42.60
             | 
            
                42.60
             |                     
            
                6.59
             |                                 
            
                10,490
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2010
             | 
            
                -0.40 / -0.93%
             |             
            
                44.60
             |           
            
                44.60
             |               
            
                42.00
             |                           
            
                42.50
             | 
            
                42.50
             |                     
            
                6.58
             |                                 
            
                19,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2010
             | 
            
                +1.90 / +4.63%
             |             
            
                42.50
             |           
            
                43.00
             |               
            
                41.00
             |                           
            
                42.90
             | 
            
                42.90
             |                     
            
                6.64
             |                                 
            
                81,420
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2010
             | 
            
                +1.00 / +2.50%
             |             
            
                40.10
             |           
            
                41.90
             |               
            
                40.00
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                6.35
             |                                 
            
                18,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2010
             | 
            
                -0.60 / -1.48%
             |             
            
                39.60
             |           
            
                40.60
             |               
            
                38.60
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                6.19
             |                                 
            
                10,560
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2010
             | 
            
                -1.80 / -4.25%
             |             
            
                40.70
             |           
            
                42.40
             |               
            
                40.60
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                6.28
             |                                 
            
                20,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2010
             | 
            
                -0.10 / -0.24%
             |             
            
                42.00
             |           
            
                43.80
             |               
            
                41.00
             |                           
            
                42.40
             | 
            
                42.40
             |                     
            
                6.56
             |                                 
            
                36,980
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2010
             | 
            
                +0.70 / +1.67%
             |             
            
                41.00
             |           
            
                43.00
             |               
            
                41.00
             |                           
            
                42.50
             | 
            
                42.50
             |                     
            
                6.58
             |                                 
            
                5,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2010
             | 
            
                -2.10 / -4.78%
             |             
            
                43.80
             |           
            
                43.80
             |               
            
                41.80
             |                           
            
                41.80
             | 
            
                41.80
             |                     
            
                6.47
             |                                 
            
                20,860
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2010
             | 
            
                -2.10 / -4.57%
             |             
            
                44.40
             |           
            
                44.50
             |               
            
                43.90
             |                           
            
                43.90
             | 
            
                43.90
             |                     
            
                6.79
             |                                 
            
                8,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2010
             | 
            
                +1.00 / +2.22%
             |             
            
                46.50
             |           
            
                46.50
             |               
            
                43.80
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                7.12
             |                                 
            
                27,670
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                43.90
             |           
            
                45.00
             |               
            
                42.80
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                6.97
             |                                 
            
                37,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2010
             | 
            
                -1.30 / -2.81%
             |             
            
                45.50
             |           
            
                46.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                6.97
             |                                 
            
                20,130
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2010
             | 
            
                +0.40 / +0.87%
             |             
            
                46.50
             |           
            
                46.90
             |               
            
                45.70
             |                           
            
                46.30
             | 
            
                46.30
             |                     
            
                7.17
             |                                 
            
                12,430
             |  
            
                 
             |                                                              
             
    
         
    
    
 |