| 
			 
				
					
						
    
        
            | 
                 
                    Closing price on 5/17/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    31.00 | 
                 
                
                    | High | 
                    31.00 | 
                 
                
                    | Low | 
                    29.60 | 
                     
                
                    | Volume | 
                    150,820 | 
                                 
                
                    | Split-adjusted Price | 
                    21.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DLG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/17/2011
             | 
            
                -1.40 / -4.52%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                29.60
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                21.41
             |                                 
            
                150,820
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2011
             | 
            
                -0.70 / -2.21%
             |             
            
                31.60
             |           
            
                32.50
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                22.42
             |                                 
            
                11,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2011
             | 
            
                -0.10 / -0.31%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                30.30
             |                           
            
                31.70
             | 
            
                31.70
             |                     
            
                22.93
             |                                 
            
                154,790
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2011
             | 
            
                +1.40 / +4.61%
             |             
            
                30.40
             |           
            
                31.90
             |               
            
                30.30
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                23.00
             |                                 
            
                124,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2011
             | 
            
                -1.50 / -4.70%
             |             
            
                30.80
             |           
            
                31.90
             |               
            
                30.40
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                21.99
             |                                 
            
                26,440
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2011
             | 
            
                0.00 / 0.00%
             |             
            
                31.90
             |           
            
                32.00
             |               
            
                31.80
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                23.07
             |                                 
            
                154,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2011
             | 
            
                +0.90 / +2.90%
             |             
            
                30.00
             |           
            
                31.90
             |               
            
                30.00
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                23.07
             |                                 
            
                164,880
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2011
             | 
            
                -1.60 / -4.91%
             |             
            
                31.00
             |           
            
                31.70
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                22.42
             |                                 
            
                117,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2011
             | 
            
                +0.10 / +0.31%
             |             
            
                32.50
             |           
            
                32.70
             |               
            
                32.00
             |                           
            
                32.60
             | 
            
                32.60
             |                     
            
                23.58
             |                                 
            
                149,920
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2011
             | 
            
                +1.30 / +4.17%
             |             
            
                31.50
             |           
            
                32.50
             |               
            
                31.30
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                23.51
             |                                 
            
                182,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2011
             | 
            
                +0.80 / +2.63%
             |             
            
                30.40
             |           
            
                31.20
             |               
            
                30.40
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                22.57
             |                                 
            
                206,210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2011
             | 
            
                +0.20 / +0.66%
             |             
            
                30.20
             |           
            
                30.40
             |               
            
                30.00
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                21.99
             |                                 
            
                185,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2011
             | 
            
                +0.30 / +1.00%
             |             
            
                28.70
             |           
            
                30.20
             |               
            
                28.70
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                21.84
             |                                 
            
                208,940
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2011
             | 
            
                -0.10 / -0.33%
             |             
            
                28.80
             |           
            
                29.90
             |               
            
                28.80
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                21.63
             |                                 
            
                146,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                29.10
             |           
            
                30.00
             |               
            
                28.70
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                21.70
             |                                 
            
                196,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2011
             | 
            
                +1.20 / +4.17%
             |             
            
                27.60
             |           
            
                30.00
             |               
            
                27.60
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                21.70
             |                                 
            
                245,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2011
             | 
            
                +1.30 / +4.73%
             |             
            
                26.40
             |           
            
                28.80
             |               
            
                26.40
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                20.83
             |                                 
            
                159,420
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2011
             | 
            
                -1.40 / -4.84%
             |             
            
                27.70
             |           
            
                28.90
             |               
            
                27.50
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                19.89
             |                                 
            
                161,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2011
             | 
            
                +0.80 / +2.85%
             |             
            
                26.90
             |           
            
                28.90
             |               
            
                26.80
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                20.90
             |                                 
            
                196,020
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2011
             | 
            
                +0.20 / +0.72%
             |             
            
                26.80
             |           
            
                28.10
             |               
            
                26.80
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                20.32
             |                                 
            
                190,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2011
             | 
            
                +0.10 / +0.36%
             |             
            
                26.90
             |           
            
                27.90
             |               
            
                26.90
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                20.18
             |                                 
            
                189,520
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2011
             | 
            
                0.00 / 0.00%
             |             
            
                27.00
             |           
            
                27.80
             |               
            
                26.80
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                20.11
             |                                 
            
                191,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2011
             | 
            
                +1.10 / +4.12%
             |             
            
                25.80
             |           
            
                27.90
             |               
            
                25.80
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                20.11
             |                                 
            
                214,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2011
             | 
            
                +1.20 / +4.71%
             |             
            
                25.50
             |           
            
                26.70
             |               
            
                25.00
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                19.31
             |                                 
            
                187,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2011
             | 
            
                -0.30 / -1.16%
             |             
            
                26.80
             |           
            
                26.80
             |               
            
                25.30
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                18.44
             |                                 
            
                207,340
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2011
             | 
            
                +1.20 / +4.88%
             |             
            
                24.70
             |           
            
                25.80
             |               
            
                24.70
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                18.66
             |                                 
            
                192,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2011
             | 
            
                -1.00 / -3.91%
             |             
            
                25.40
             |           
            
                25.70
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                17.79
             |                                 
            
                202,350
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2011
             | 
            
                +0.10 / +0.39%
             |             
            
                25.10
             |           
            
                26.20
             |               
            
                25.10
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                18.52
             |                                 
            
                220,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2011
             | 
            
                +0.10 / +0.39%
             |             
            
                24.70
             |           
            
                25.60
             |               
            
                24.70
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                18.44
             |                                 
            
                166,810
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2011
             | 
            
                -0.60 / -2.31%
             |             
            
                26.00
             |           
            
                26.80
             |               
            
                25.40
             |                           
            
                25.40
             | 
            
                25.40
             |                     
            
                18.37
             |                                 
            
                215,330
             |  
            
                 
             |                                                              
             
    
         
    
    
 | 
					 
				  | 
			 
				 | 
			 
		  | 
	 
 
		     | 
		    
			    
	
		
			
				 | 
			 
				 | 
			 
				
					
						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
 | 
					 
				  | 
			 
				 | 
			 
		  | 
	 
   
		     |