| 
                 
                    Closing price on 5/21/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    33.30 | 
                 
                
                    | High | 
                    34.00 | 
                 
                
                    | Low | 
                    33.30 | 
                     
                
                    | Volume | 
                    373,760 | 
                                 
                
                    | Split-adjusted Price | 
                    10.29 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/21/2010
             | 
            
                -1.70 / -4.86%
             |             
            
                33.30
             |           
            
                34.00
             |               
            
                33.30
             |                           
            
                33.30
             | 
            
                33.30
             |                     
            
                10.29
             |                                 
            
                373,760
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2010
             | 
            
                +1.30 / +3.86%
             |             
            
                32.50
             |           
            
                35.00
             |               
            
                32.50
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                10.82
             |                                 
            
                279,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2010
             | 
            
                -1.70 / -4.80%
             |             
            
                34.40
             |           
            
                35.30
             |               
            
                33.70
             |                           
            
                33.70
             | 
            
                33.70
             |                     
            
                10.42
             |                                 
            
                756,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2010
             | 
            
                -1.20 / -3.28%
             |             
            
                36.80
             |           
            
                36.80
             |               
            
                34.90
             |                           
            
                35.40
             | 
            
                35.40
             |                     
            
                10.94
             |                                 
            
                90,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2010
             | 
            
                -1.90 / -4.94%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                36.60
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                11.32
             |                                 
            
                246,290
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2010
             | 
            
                -0.20 / -0.52%
             |             
            
                38.10
             |           
            
                38.90
             |               
            
                38.00
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                11.90
             |                                 
            
                115,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2010
             | 
            
                +0.20 / +0.52%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                36.60
             |                           
            
                38.70
             | 
            
                38.70
             |                     
            
                11.96
             |                                 
            
                127,890
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2010
             | 
            
                -2.00 / -4.94%
             |             
            
                40.00
             |           
            
                40.10
             |               
            
                38.50
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                11.90
             |                                 
            
                410,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2010
             | 
            
                -0.40 / -0.98%
             |             
            
                41.50
             |           
            
                41.50
             |               
            
                40.00
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                12.52
             |                                 
            
                247,980
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2010
             | 
            
                -0.30 / -0.73%
             |             
            
                41.40
             |           
            
                41.40
             |               
            
                39.60
             |                           
            
                40.90
             | 
            
                40.90
             |                     
            
                12.64
             |                                 
            
                338,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2010
             | 
            
                +0.20 / +0.49%
             |             
            
                41.00
             |           
            
                42.00
             |               
            
                39.10
             |                           
            
                41.20
             | 
            
                41.20
             |                     
            
                12.74
             |                                 
            
                352,550
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2010
             | 
            
                +0.20 / +0.49%
             |             
            
                40.80
             |           
            
                41.00
             |               
            
                40.40
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                12.68
             |                                 
            
                410,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2010
             | 
            
                -0.80 / -1.92%
             |             
            
                41.50
             |           
            
                41.50
             |               
            
                40.70
             |                           
            
                40.80
             | 
            
                40.80
             |                     
            
                12.61
             |                                 
            
                184,230
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2010
             | 
            
                +0.40 / +0.97%
             |             
            
                41.70
             |           
            
                41.70
             |               
            
                41.20
             |                           
            
                41.60
             | 
            
                41.60
             |                     
            
                12.86
             |                                 
            
                259,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2010
             | 
            
                -0.20 / -0.48%
             |             
            
                41.40
             |           
            
                41.50
             |               
            
                41.00
             |                           
            
                41.20
             | 
            
                41.20
             |                     
            
                12.74
             |                                 
            
                177,390
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2010
             | 
            
                -0.60 / -1.43%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                41.20
             |                           
            
                41.40
             | 
            
                41.40
             |                     
            
                12.80
             |                                 
            
                136,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2010
             | 
            
                +1.00 / +2.44%
             |             
            
                42.40
             |           
            
                42.70
             |               
            
                41.50
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                12.98
             |                                 
            
                562,770
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                40.70
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                12.68
             |                                 
            
                132,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2010
             | 
            
                0.00 / 0.00%
             |             
            
                41.20
             |           
            
                41.80
             |               
            
                40.50
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                12.68
             |                                 
            
                255,920
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2010
             | 
            
                +0.40 / +0.99%
             |             
            
                40.60
             |           
            
                41.70
             |               
            
                40.60
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                12.68
             |                                 
            
                242,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2010
             | 
            
                -0.90 / -2.17%
             |             
            
                41.90
             |           
            
                41.90
             |               
            
                40.50
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                12.55
             |                                 
            
                126,020
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2010
             | 
            
                -1.20 / -2.81%
             |             
            
                42.90
             |           
            
                42.90
             |               
            
                41.50
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                12.83
             |                                 
            
                142,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2010
             | 
            
                0.00 / 0.00%
             |             
            
                43.20
             |           
            
                43.20
             |               
            
                42.20
             |                           
            
                42.70
             | 
            
                42.70
             |                     
            
                13.20
             |                                 
            
                201,610
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2010
             | 
            
                0.00 / 0.00%
             |             
            
                43.50
             |           
            
                43.50
             |               
            
                42.00
             |                           
            
                42.70
             | 
            
                42.70
             |                     
            
                13.20
             |                                 
            
                331,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2010
             | 
            
                +1.20 / +2.89%
             |             
            
                42.00
             |           
            
                42.90
             |               
            
                41.50
             |                           
            
                42.70
             | 
            
                42.70
             |                     
            
                13.20
             |                                 
            
                196,060
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2010
             | 
            
                +0.10 / +0.24%
             |             
            
                41.20
             |           
            
                42.00
             |               
            
                41.20
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                12.83
             |                                 
            
                335,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2010
             | 
            
                -0.20 / -0.48%
             |             
            
                41.40
             |           
            
                41.40
             |               
            
                41.40
             |                           
            
                41.40
             | 
            
                41.40
             |                     
            
                12.80
             |                                 
            
                159,920
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2010
             | 
            
                -0.40 / -0.95%
             |             
            
                42.00
             |           
            
                42.70
             |               
            
                41.60
             |                           
            
                41.60
             | 
            
                41.60
             |                     
            
                12.86
             |                                 
            
                272,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2010
             | 
            
                -1.00 / -2.33%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                12.98
             |                                 
            
                148,640
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2010
             | 
            
                0.00 / 0.00%
             |             
            
                43.40
             |           
            
                43.40
             |               
            
                42.50
             |                           
            
                43.00
             | 
            
                43.00
             |                     
            
                13.29
             |                                 
            
                96,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |