| 
                 
                    Closing price on 12/24/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    16.00 | 
                 
                
                    | High | 
                    16.70 | 
                 
                
                    | Low | 
                    16.00 | 
                     
                
                    | Volume | 
                    8,100 | 
                                 
                
                    | Split-adjusted Price | 
                    4.26 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DL1 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/24/2010
             | 
            
                +1.70 / +11.33%
             |             
            
                16.00
             |           
            
                16.70
             |               
            
                16.00
             |                           
            
                16.70
             | 
            
                16.56
             |                     
            
                4.26
             |                                 
            
                8,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2010
             | 
            
                -0.10 / -0.66%
             |             
            
                16.30
             |           
            
                16.30
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                16.18
             |                     
            
                3.83
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2010
             | 
            
                +0.10 / +0.67%
             |             
            
                16.80
             |           
            
                16.90
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.81
             |                     
            
                3.85
             |                                 
            
                14,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2010
             | 
            
                -0.30 / -1.96%
             |             
            
                16.40
             |           
            
                16.40
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                16.23
             |                     
            
                3.83
             |                                 
            
                6,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2010
             | 
            
                -0.40 / -2.55%
             |             
            
                17.00
             |           
            
                17.40
             |               
            
                15.20
             |                           
            
                15.30
             | 
            
                16.12
             |                     
            
                3.91
             |                                 
            
                11,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2010
             | 
            
                +0.30 / +1.95%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                15.70
             |                           
            
                15.70
             | 
            
                16.26
             |                     
            
                4.01
             |                                 
            
                8,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2010
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.40
             |               
            
                15.40
             |                           
            
                15.40
             | 
            
                16.81
             |                     
            
                3.93
             |                                 
            
                7,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2010
             | 
            
                +0.40 / +2.67%
             |             
            
                16.60
             |           
            
                17.50
             |               
            
                15.40
             |                           
            
                15.40
             | 
            
                16.52
             |                     
            
                3.93
             |                                 
            
                9,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2010
             | 
            
                -1.40 / -8.54%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                16.49
             |                     
            
                3.83
             |                                 
            
                6,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2010
             | 
            
                +0.90 / +5.81%
             |             
            
                15.80
             |           
            
                16.60
             |               
            
                15.80
             |                           
            
                16.40
             | 
            
                16.01
             |                     
            
                4.19
             |                                 
            
                10,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2010
             | 
            
                +0.90 / +6.16%
             |             
            
                15.40
             |           
            
                16.00
             |               
            
                15.00
             |                           
            
                15.50
             | 
            
                15.61
             |                     
            
                3.96
             |                                 
            
                14,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2010
             | 
            
                +0.50 / +3.55%
             |             
            
                15.00
             |           
            
                15.50
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                15.09
             |                     
            
                3.73
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2010
             | 
            
                -0.70 / -4.73%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                14.10
             |                           
            
                14.10
             | 
            
                14.61
             |                     
            
                3.60
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2010
             | 
            
                -0.20 / -1.33%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                15.06
             |                     
            
                3.78
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2010
             | 
            
                -0.70 / -4.46%
             |             
            
                16.60
             |           
            
                16.60
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.89
             |                     
            
                3.83
             |                                 
            
                8,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2010
             | 
            
                +1.10 / +7.53%
             |             
            
                15.50
             |           
            
                15.70
             |               
            
                15.30
             |                           
            
                15.70
             | 
            
                15.63
             |                     
            
                4.01
             |                                 
            
                21,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2010
             | 
            
                +0.60 / +4.29%
             |             
            
                14.00
             |           
            
                14.90
             |               
            
                14.00
             |                           
            
                14.60
             | 
            
                14.67
             |                     
            
                3.73
             |                                 
            
                15,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                14.50
             |           
            
                15.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.21
             |                     
            
                3.57
             |                                 
            
                12,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2010
             | 
            
                +0.60 / +4.48%
             |             
            
                13.80
             |           
            
                14.20
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                14.09
             |                     
            
                3.57
             |                                 
            
                12,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2010
             | 
            
                +0.80 / +6.35%
             |             
            
                13.30
             |           
            
                13.40
             |               
            
                13.20
             |                           
            
                13.40
             | 
            
                13.30
             |                     
            
                3.42
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2010
             | 
            
                -0.60 / -4.55%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                13.33
             |                     
            
                3.22
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2010
             | 
            
                -0.70 / -5.04%
             |             
            
                13.70
             |           
            
                13.70
             |               
            
                13.00
             |                           
            
                13.20
             | 
            
                13.37
             |                     
            
                3.37
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2010
             | 
            
                +1.00 / +7.75%
             |             
            
                12.70
             |           
            
                13.90
             |               
            
                12.70
             |                           
            
                13.90
             | 
            
                13.63
             |                     
            
                3.55
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2010
             | 
            
                0.00 / 0.00%
             |             
            
                13.50
             |           
            
                13.70
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                13.55
             |                     
            
                3.29
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2010
             | 
            
                +0.20 / +1.57%
             |             
            
                13.70
             |           
            
                13.70
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                13.66
             |                     
            
                3.29
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2010
             | 
            
                -0.60 / -4.51%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                13.81
             |                     
            
                3.24
             |                                 
            
                6,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2010
             | 
            
                -0.20 / -1.48%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                13.30
             |                           
            
                13.30
             | 
            
                13.55
             |                     
            
                3.40
             |                                 
            
                14,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2010
             | 
            
                -0.70 / -4.93%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                14.17
             |                     
            
                3.45
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2010
             | 
            
                -0.30 / -2.07%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.49
             |                     
            
                3.62
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2010
             | 
            
                +0.50 / +3.57%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                3.70
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |