| 
                 
                    Closing price on 4/25/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.60 | 
                 
                
                    | High | 
                    13.60 | 
                 
                
                    | Low | 
                    13.50 | 
                     
                
                    | Volume | 
                    1,900 | 
                                 
                
                    | Split-adjusted Price | 
                    3.45 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DL1 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/25/2011
             | 
            
                -0.40 / -2.88%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.55
             |                     
            
                3.45
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2011
             | 
            
                +0.10 / +0.72%
             |             
            
                13.50
             |           
            
                13.90
             |               
            
                13.50
             |                           
            
                13.90
             | 
            
                13.51
             |                     
            
                3.55
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2011
             | 
            
                +1.30 / +10.40%
             |             
            
                12.90
             |           
            
                13.80
             |               
            
                12.70
             |                           
            
                13.80
             | 
            
                13.14
             |                     
            
                3.52
             |                                 
            
                26,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2011
             | 
            
                -0.30 / -2.34%
             |             
            
                12.70
             |           
            
                13.60
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.89
             |                     
            
                3.19
             |                                 
            
                21,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2011
             | 
            
                -0.20 / -1.54%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.80
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                3.27
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2011
             | 
            
                -0.60 / -4.41%
             |             
            
                12.90
             |           
            
                13.00
             |               
            
                12.70
             |                           
            
                13.00
             | 
            
                12.93
             |                     
            
                3.32
             |                                 
            
                25,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2011
             | 
            
                -0.30 / -2.16%
             |             
            
                13.50
             |           
            
                13.80
             |               
            
                13.50
             |                           
            
                13.60
             | 
            
                13.61
             |                     
            
                3.47
             |                                 
            
                7,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2011
             | 
            
                +0.10 / +0.72%
             |             
            
                13.80
             |           
            
                14.00
             |               
            
                13.80
             |                           
            
                13.90
             | 
            
                13.88
             |                     
            
                3.55
             |                                 
            
                13,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2011
             | 
            
                -0.20 / -1.43%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                13.90
             |                     
            
                3.52
             |                                 
            
                10,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.57
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                13.70
             |           
            
                14.00
             |               
            
                13.40
             |                           
            
                14.00
             | 
            
                13.73
             |                     
            
                3.57
             |                                 
            
                6,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                13.50
             |           
            
                14.00
             |               
            
                13.50
             |                           
            
                14.00
             | 
            
                13.67
             |                     
            
                3.57
             |                                 
            
                10,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.57
             |                                 
            
                5,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.57
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                3.57
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2011
             | 
            
                +0.50 / +3.70%
             |             
            
                13.50
             |           
            
                14.00
             |               
            
                13.50
             |                           
            
                14.00
             | 
            
                13.87
             |                     
            
                3.57
             |                                 
            
                8,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2011
             | 
            
                -0.50 / -3.57%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.65
             |                     
            
                3.45
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                14.00
             |               
            
                13.00
             |                           
            
                14.00
             | 
            
                13.59
             |                     
            
                3.57
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                13.60
             |           
            
                14.00
             |               
            
                13.60
             |                           
            
                14.00
             | 
            
                13.82
             |                     
            
                3.57
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2011
             | 
            
                +0.10 / +0.72%
             |             
            
                13.70
             |           
            
                14.00
             |               
            
                13.00
             |                           
            
                14.00
             | 
            
                13.66
             |                     
            
                3.57
             |                                 
            
                5,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2011
             | 
            
                +0.40 / +2.96%
             |             
            
                13.00
             |           
            
                13.90
             |               
            
                12.90
             |                           
            
                13.90
             | 
            
                13.49
             |                     
            
                3.55
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2011
             | 
            
                -0.10 / -0.74%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.40
             |                           
            
                13.50
             | 
            
                13.76
             |                     
            
                3.45
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2011
             | 
            
                -0.40 / -2.86%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                13.60
             |                           
            
                13.60
             | 
            
                14.35
             |                     
            
                3.47
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2011
             | 
            
                +0.90 / +6.87%
             |             
            
                14.40
             |           
            
                14.40
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.29
             |                     
            
                3.57
             |                                 
            
                4,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2011
             | 
            
                +0.30 / +2.34%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.10
             |                           
            
                13.10
             | 
            
                13.98
             |                     
            
                3.34
             |                                 
            
                6,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2011
             | 
            
                -0.10 / -0.78%
             |             
            
                13.90
             |           
            
                14.10
             |               
            
                12.80
             |                           
            
                12.80
             | 
            
                13.64
             |                     
            
                3.27
             |                                 
            
                10,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2011
             | 
            
                -0.50 / -3.73%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                13.48
             |                     
            
                3.29
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2011
             | 
            
                -1.00 / -6.94%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.40
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                3.42
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2011
             | 
            
                +0.80 / +5.88%
             |             
            
                14.00
             |           
            
                14.40
             |               
            
                14.00
             |                           
            
                14.40
             | 
            
                14.38
             |                     
            
                3.68
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2011
             | 
            
                +0.40 / +3.03%
             |             
            
                13.70
             |           
            
                14.40
             |               
            
                13.60
             |                           
            
                13.60
             | 
            
                14.01
             |                     
            
                3.47
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |