| 
                 
                    Closing price on 5/11/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.10 | 
                 
                
                    | High | 
                    14.10 | 
                 
                
                    | Low | 
                    14.10 | 
                     
                
                    | Volume | 
                    2,200 | 
                                 
                
                    | Split-adjusted Price | 
                    3.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/11/2011
             | 
            
                -0.10 / -0.70%
             |             
            
                14.10
             |           
            
                14.10
             |               
            
                14.10
             |                           
            
                14.10
             | 
            
                14.10
             |                     
            
                3.60
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.20
             |               
            
                14.00
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                3.63
             |                                 
            
                5,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                3.63
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2011
             | 
            
                +0.20 / +1.43%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                14.00
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                3.63
             |                                 
            
                5,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.58
             |                                 
            
                7,770
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.10
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.58
             |                                 
            
                9,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.10
             |           
            
                14.10
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.58
             |                                 
            
                11,150
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2011
             | 
            
                -0.10 / -0.71%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.58
             |                                 
            
                830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2011
             | 
            
                +0.60 / +4.44%
             |             
            
                14.00
             |           
            
                14.10
             |               
            
                13.80
             |                           
            
                14.10
             | 
            
                14.10
             |                     
            
                3.60
             |                                 
            
                16,070
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2011
             | 
            
                -0.60 / -4.26%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.40
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                3.45
             |                                 
            
                13,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2011
             | 
            
                +0.60 / +4.44%
             |             
            
                13.90
             |           
            
                14.10
             |               
            
                13.90
             |                           
            
                14.10
             | 
            
                14.10
             |                     
            
                3.60
             |                                 
            
                15,610
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2011
             | 
            
                -0.70 / -4.93%
             |             
            
                14.20
             |           
            
                14.30
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                3.45
             |                                 
            
                42,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2011
             | 
            
                -0.40 / -2.74%
             |             
            
                14.90
             |           
            
                15.00
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                3.63
             |                                 
            
                3,480
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2011
             | 
            
                -0.40 / -2.67%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                3.73
             |                                 
            
                7,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2011
             | 
            
                -0.50 / -3.23%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                3.83
             |                                 
            
                3,230
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.60
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                3.96
             |                                 
            
                16,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2011
             | 
            
                -0.10 / -0.64%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.40
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                3.96
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2011
             | 
            
                +0.10 / +0.65%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                3.98
             |                                 
            
                11,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2011
             | 
            
                -0.30 / -1.90%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                3.96
             |                                 
            
                1,530
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2011
             | 
            
                0.00 / 0.00%
             |             
            
                16.30
             |           
            
                16.30
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                4.04
             |                                 
            
                31,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2011
             | 
            
                -0.50 / -3.07%
             |             
            
                15.90
             |           
            
                16.30
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                4.04
             |                                 
            
                7,860
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2011
             | 
            
                +0.70 / +4.49%
             |             
            
                15.70
             |           
            
                16.30
             |               
            
                15.50
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                4.16
             |                                 
            
                17,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2011
             | 
            
                -0.40 / -2.50%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                3.98
             |                                 
            
                12,550
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2011
             | 
            
                -0.80 / -4.76%
             |             
            
                16.60
             |           
            
                16.60
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                4.09
             |                                 
            
                60,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2011
             | 
            
                -0.20 / -1.18%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.80
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                4.29
             |                                 
            
                2,040
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2011
             | 
            
                -0.10 / -0.58%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                16.80
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                4.34
             |                                 
            
                14,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2011
             | 
            
                0.00 / 0.00%
             |             
            
                17.10
             |           
            
                17.10
             |               
            
                17.10
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                4.37
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2011
             | 
            
                -0.20 / -1.16%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.00
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                4.37
             |                                 
            
                8,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2011
             | 
            
                -0.20 / -1.14%
             |             
            
                17.50
             |           
            
                17.50
             |               
            
                17.10
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                4.42
             |                                 
            
                9,990
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                17.40
             |           
            
                17.50
             |               
            
                17.40
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                4.47
             |                                 
            
                5,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |