| 
                 
                    Closing price on 1/21/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.10 | 
                 
                
                    | High | 
                    21.10 | 
                 
                
                    | Low | 
                    20.90 | 
                     
                
                    | Volume | 
                    19,950 | 
                                 
                
                    | Split-adjusted Price | 
                    5.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DHA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                21.10
             |           
            
                21.10
             |               
            
                20.90
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                5.39
             |                                 
            
                19,950
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2011
             | 
            
                +0.10 / +0.48%
             |             
            
                20.70
             |           
            
                21.30
             |               
            
                20.70
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                5.39
             |                                 
            
                13,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2011
             | 
            
                +0.30 / +1.45%
             |             
            
                21.30
             |           
            
                21.40
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                5.36
             |                                 
            
                15,260
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2011
             | 
            
                -0.70 / -3.27%
             |             
            
                21.40
             |           
            
                21.40
             |               
            
                20.70
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                5.29
             |                                 
            
                4,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2011
             | 
            
                0.00 / 0.00%
             |             
            
                21.40
             |           
            
                21.70
             |               
            
                21.40
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                5.47
             |                                 
            
                8,850
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2011
             | 
            
                +0.40 / +1.90%
             |             
            
                20.80
             |           
            
                21.40
             |               
            
                20.70
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                5.47
             |                                 
            
                20,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2011
             | 
            
                +0.30 / +1.45%
             |             
            
                20.70
             |           
            
                21.40
             |               
            
                20.70
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                5.36
             |                                 
            
                6,210
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2011
             | 
            
                +0.10 / +0.49%
             |             
            
                20.70
             |           
            
                20.80
             |               
            
                20.60
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                5.29
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2011
             | 
            
                -0.40 / -1.90%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                5.26
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2011
             | 
            
                -0.50 / -2.33%
             |             
            
                21.40
             |           
            
                21.50
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                5.36
             |                                 
            
                21,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2011
             | 
            
                -0.20 / -0.92%
             |             
            
                22.20
             |           
            
                22.20
             |               
            
                21.40
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                5.49
             |                                 
            
                5,230
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.70
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                5.54
             |                                 
            
                4,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2011
             | 
            
                -0.10 / -0.46%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.60
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                5.54
             |                                 
            
                7,390
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2011
             | 
            
                +0.40 / +1.87%
             |             
            
                21.50
             |           
            
                22.00
             |               
            
                21.40
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                5.57
             |                                 
            
                4,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/31/2010
             | 
            
                +0.10 / +0.47%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                21.30
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                5.47
             |                                 
            
                10,330
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2010
             | 
            
                -0.20 / -0.93%
             |             
            
                21.50
             |           
            
                21.70
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                5.44
             |                                 
            
                10,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2010
             | 
            
                -0.80 / -3.59%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                21.50
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                5.49
             |                                 
            
                54,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2010
             | 
            
                +0.30 / +1.36%
             |             
            
                21.80
             |           
            
                22.80
             |               
            
                21.80
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                5.70
             |                                 
            
                15,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2010
             | 
            
                +0.40 / +1.85%
             |             
            
                21.60
             |           
            
                22.00
             |               
            
                21.60
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                5.62
             |                                 
            
                18,110
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |