| 
                 
                    Closing price on 12/24/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.60 | 
                 
                
                    | High | 
                    22.10 | 
                 
                
                    | Low | 
                    21.40 | 
                     
                
                    | Volume | 
                    27,150 | 
                                 
                
                    | Split-adjusted Price | 
                    5.52 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/24/2010
             | 
            
                -0.50 / -2.26%
             |             
            
                21.60
             |           
            
                22.10
             |               
            
                21.40
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                5.52
             |                                 
            
                27,150
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2010
             | 
            
                -0.90 / -3.91%
             |             
            
                22.10
             |           
            
                22.90
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                5.64
             |                                 
            
                23,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2010
             | 
            
                -0.10 / -0.43%
             |             
            
                23.30
             |           
            
                23.30
             |               
            
                22.90
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                5.87
             |                                 
            
                70,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2010
             | 
            
                +0.60 / +2.67%
             |             
            
                22.20
             |           
            
                23.10
             |               
            
                21.70
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                5.90
             |                                 
            
                32,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2010
             | 
            
                -0.20 / -0.88%
             |             
            
                23.30
             |           
            
                23.30
             |               
            
                22.20
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                5.75
             |                                 
            
                38,810
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2010
             | 
            
                +1.00 / +4.61%
             |             
            
                22.70
             |           
            
                22.70
             |               
            
                22.00
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                5.80
             |                                 
            
                60,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2010
             | 
            
                -1.10 / -4.82%
             |             
            
                22.80
             |           
            
                22.80
             |               
            
                21.70
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                5.54
             |                                 
            
                31,460
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2010
             | 
            
                +0.30 / +1.33%
             |             
            
                23.00
             |           
            
                23.10
             |               
            
                22.50
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                5.82
             |                                 
            
                48,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2010
             | 
            
                -1.10 / -4.66%
             |             
            
                22.60
             |           
            
                22.90
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                5.75
             |                                 
            
                38,870
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2010
             | 
            
                +1.10 / +4.89%
             |             
            
                23.60
             |           
            
                23.60
             |               
            
                23.50
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                6.03
             |                                 
            
                151,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2010
             | 
            
                +1.00 / +4.65%
             |             
            
                21.50
             |           
            
                22.50
             |               
            
                21.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                5.75
             |                                 
            
                105,410
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2010
             | 
            
                +0.10 / +0.47%
             |             
            
                21.40
             |           
            
                21.90
             |               
            
                20.60
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                5.49
             |                                 
            
                40,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2010
             | 
            
                -1.10 / -4.89%
             |             
            
                21.70
             |           
            
                22.00
             |               
            
                21.40
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                5.47
             |                                 
            
                68,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2010
             | 
            
                -1.00 / -4.26%
             |             
            
                23.30
             |           
            
                23.50
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                5.75
             |                                 
            
                87,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2010
             | 
            
                +0.70 / +3.07%
             |             
            
                22.90
             |           
            
                23.90
             |               
            
                21.90
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                6.00
             |                                 
            
                149,890
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2010
             | 
            
                +1.00 / +4.59%
             |             
            
                22.50
             |           
            
                22.80
             |               
            
                22.50
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                5.82
             |                                 
            
                130,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2010
             | 
            
                +1.00 / +4.81%
             |             
            
                21.20
             |           
            
                21.80
             |               
            
                20.50
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                5.57
             |                                 
            
                49,050
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2010
             | 
            
                +0.70 / +3.48%
             |             
            
                20.90
             |           
            
                21.10
             |               
            
                20.20
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                5.31
             |                                 
            
                60,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2010
             | 
            
                +0.90 / +4.69%
             |             
            
                19.80
             |           
            
                20.10
             |               
            
                19.80
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                5.13
             |                                 
            
                134,070
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2010
             | 
            
                0.00 / 0.00%
             |             
            
                19.20
             |           
            
                19.20
             |               
            
                19.00
             |                           
            
                19.20
             | 
            
                19.20
             |                     
            
                4.90
             |                                 
            
                9,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                19.10
             |           
            
                19.20
             |               
            
                19.10
             |                           
            
                19.20
             | 
            
                19.20
             |                     
            
                4.90
             |                                 
            
                9,050
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2010
             | 
            
                -0.10 / -0.52%
             |             
            
                19.30
             |           
            
                19.70
             |               
            
                19.20
             |                           
            
                19.20
             | 
            
                19.20
             |                     
            
                4.90
             |                                 
            
                27,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2010
             | 
            
                0.00 / 0.00%
             |             
            
                19.30
             |           
            
                19.30
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                4.93
             |                                 
            
                26,680
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2010
             | 
            
                -0.60 / -3.02%
             |             
            
                19.10
             |           
            
                19.50
             |               
            
                19.10
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                4.93
             |                                 
            
                12,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2010
             | 
            
                0.00 / 0.00%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.10
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                4.83
             |                                 
            
                23,980
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2010
             | 
            
                -0.70 / -3.40%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                19.90
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                4.83
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2010
             | 
            
                +0.80 / +4.04%
             |             
            
                20.20
             |           
            
                20.70
             |               
            
                20.20
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                5.00
             |                                 
            
                14,530
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2010
             | 
            
                +0.10 / +0.51%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.80
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                4.80
             |                                 
            
                9,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2010
             | 
            
                0.00 / 0.00%
             |             
            
                19.50
             |           
            
                19.70
             |               
            
                19.30
             |                           
            
                19.70
             | 
            
                19.70
             |                     
            
                4.78
             |                                 
            
                28,740
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2010
             | 
            
                -0.10 / -0.51%
             |             
            
                19.80
             |           
            
                20.00
             |               
            
                19.50
             |                           
            
                19.70
             | 
            
                19.70
             |                     
            
                4.78
             |                                 
            
                18,470
             |  
            
                 
             |                                                              
             
    
         
    
    
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