| 
                 
                    Closing price on 7/14/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    28.50 | 
                 
                
                    | High | 
                    28.90 | 
                 
                
                    | Low | 
                    27.80 | 
                     
                
                    | Volume | 
                    289,280 | 
                                 
                
                    | Split-adjusted Price | 
                    18.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DLG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/14/2010
             | 
            
                -0.80 / -2.78%
             |             
            
                28.50
             |           
            
                28.90
             |               
            
                27.80
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                18.41
             |                                 
            
                289,280
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2010
             | 
            
                +1.30 / +4.73%
             |             
            
                28.40
             |           
            
                28.80
             |               
            
                27.80
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                18.94
             |                                 
            
                257,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2010
             | 
            
                +1.30 / +4.96%
             |             
            
                26.20
             |           
            
                27.50
             |               
            
                26.20
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                18.08
             |                                 
            
                324,540
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2010
             | 
            
                +1.20 / +4.80%
             |             
            
                25.60
             |           
            
                26.20
             |               
            
                25.00
             |                           
            
                26.20
             | 
            
                26.20
             |                     
            
                17.23
             |                                 
            
                324,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2010
             | 
            
                +0.30 / +1.21%
             |             
            
                25.80
             |           
            
                25.80
             |               
            
                24.80
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                16.44
             |                                 
            
                246,150
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2010
             | 
            
                -0.90 / -3.52%
             |             
            
                25.60
             |           
            
                26.30
             |               
            
                24.60
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                16.24
             |                                 
            
                232,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2010
             | 
            
                -1.20 / -4.48%
             |             
            
                26.50
             |           
            
                26.70
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                16.83
             |                                 
            
                177,330
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2010
             | 
            
                -0.40 / -1.47%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                26.60
             |                           
            
                26.80
             | 
            
                26.80
             |                     
            
                17.62
             |                                 
            
                151,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2010
             | 
            
                -0.50 / -1.81%
             |             
            
                27.20
             |           
            
                27.70
             |               
            
                27.00
             |                           
            
                27.20
             | 
            
                27.20
             |                     
            
                17.89
             |                                 
            
                235,240
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                27.70
             | 
            
                27.70
             |                     
            
                18.21
             |                                 
            
                138,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2010
             | 
            
                -0.80 / -2.81%
             |             
            
                27.50
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                27.70
             | 
            
                27.70
             |                     
            
                18.21
             |                                 
            
                149,870
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2010
             | 
            
                -0.50 / -1.72%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                18.74
             |                                 
            
                139,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2010
             | 
            
                -0.20 / -0.68%
             |             
            
                28.00
             |           
            
                30.50
             |               
            
                28.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                19.07
             |                                 
            
                392,890
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2010
             | 
            
                +1.30 / +4.66%
             |             
            
                27.90
             |           
            
                29.20
             |               
            
                27.50
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                19.20
             |                                 
            
                190,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2010
             | 
            
                -0.90 / -3.13%
             |             
            
                28.50
             |           
            
                28.70
             |               
            
                27.40
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                18.35
             |                                 
            
                454,510
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2010
             | 
            
                -1.20 / -4.00%
             |             
            
                31.10
             |           
            
                31.10
             |               
            
                28.70
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                18.94
             |                                 
            
                1,177,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2010
             | 
            
                +30.00 / +0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                19.73
             |                                 
            
                713,340
             |            
            
                 
             |                                       
         
    
         
    
    
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