| 
                 
                    Closing price on 9/7/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    33.00 | 
                 
                
                    | High | 
                    33.20 | 
                 
                
                    | Low | 
                    32.00 | 
                     
                
                    | Volume | 
                    166,710 | 
                                 
                
                    | Split-adjusted Price | 
                    10.42 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/7/2010
             | 
            
                -0.20 / -0.61%
             |             
            
                33.00
             |           
            
                33.20
             |               
            
                32.00
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                10.42
             |                                 
            
                166,710
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2010
             | 
            
                +1.00 / +3.13%
             |             
            
                32.00
             |           
            
                33.60
             |               
            
                31.90
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                10.49
             |                                 
            
                246,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2010
             | 
            
                +0.10 / +0.31%
             |             
            
                31.90
             |           
            
                32.30
             |               
            
                31.40
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                10.17
             |                                 
            
                143,430
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2010
             | 
            
                +1.20 / +3.91%
             |             
            
                30.90
             |           
            
                32.20
             |               
            
                30.70
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                10.14
             |                                 
            
                177,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2010
             | 
            
                +1.40 / +4.78%
             |             
            
                30.60
             |           
            
                30.70
             |               
            
                30.50
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                9.75
             |                                 
            
                149,070
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2010
             | 
            
                0.00 / 0.00%
             |             
            
                29.30
             |           
            
                29.60
             |               
            
                29.00
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                9.31
             |                                 
            
                139,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2010
             | 
            
                +0.30 / +1.03%
             |             
            
                29.00
             |           
            
                29.90
             |               
            
                28.70
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                9.31
             |                                 
            
                97,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2010
             | 
            
                -1.40 / -4.61%
             |             
            
                29.80
             |           
            
                30.00
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                9.21
             |                                 
            
                228,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2010
             | 
            
                -1.50 / -4.70%
             |             
            
                31.50
             |           
            
                31.80
             |               
            
                30.40
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                9.66
             |                                 
            
                202,820
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2010
             | 
            
                -0.40 / -1.24%
             |             
            
                32.20
             |           
            
                32.30
             |               
            
                31.90
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                10.14
             |                                 
            
                39,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2010
             | 
            
                +0.20 / +0.62%
             |             
            
                32.00
             |           
            
                32.30
             |               
            
                31.80
             |                           
            
                32.30
             | 
            
                32.30
             |                     
            
                10.26
             |                                 
            
                125,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2010
             | 
            
                +0.20 / +0.63%
             |             
            
                32.00
             |           
            
                32.40
             |               
            
                31.70
             |                           
            
                32.10
             | 
            
                32.10
             |                     
            
                10.20
             |                                 
            
                75,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2010
             | 
            
                -1.30 / -3.92%
             |             
            
                32.60
             |           
            
                33.20
             |               
            
                31.80
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                10.14
             |                                 
            
                153,750
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2010
             | 
            
                +0.20 / +0.61%
             |             
            
                32.50
             |           
            
                34.00
             |               
            
                32.10
             |                           
            
                33.20
             | 
            
                33.20
             |                     
            
                10.55
             |                                 
            
                125,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2010
             | 
            
                +1.50 / +4.76%
             |             
            
                31.50
             |           
            
                33.00
             |               
            
                31.50
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                10.49
             |                                 
            
                102,720
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2010
             | 
            
                +0.50 / +1.61%
             |             
            
                30.30
             |           
            
                31.50
             |               
            
                30.20
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                10.01
             |                                 
            
                117,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2010
             | 
            
                -1.60 / -4.91%
             |             
            
                31.90
             |           
            
                32.00
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                9.85
             |                                 
            
                204,250
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2010
             | 
            
                +0.10 / +0.31%
             |             
            
                32.50
             |           
            
                33.00
             |               
            
                32.20
             |                           
            
                32.60
             | 
            
                32.60
             |                     
            
                10.36
             |                                 
            
                66,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2010
             | 
            
                -0.50 / -1.52%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                31.60
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                10.33
             |                                 
            
                142,630
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2010
             | 
            
                -1.10 / -3.23%
             |             
            
                33.90
             |           
            
                34.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                10.49
             |                                 
            
                115,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2010
             | 
            
                -0.50 / -1.45%
             |             
            
                34.60
             |           
            
                35.20
             |               
            
                34.10
             |                           
            
                34.10
             | 
            
                34.10
             |                     
            
                10.84
             |                                 
            
                102,050
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2010
             | 
            
                -0.10 / -0.29%
             |             
            
                34.70
             |           
            
                35.10
             |               
            
                34.60
             |                           
            
                34.60
             | 
            
                34.60
             |                     
            
                10.99
             |                                 
            
                61,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2010
             | 
            
                -0.70 / -1.98%
             |             
            
                35.00
             |           
            
                35.10
             |               
            
                34.30
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                11.03
             |                                 
            
                156,170
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2010
             | 
            
                -0.40 / -1.12%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.40
             |                           
            
                35.40
             | 
            
                35.40
             |                     
            
                11.25
             |                                 
            
                77,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2010
             | 
            
                -0.30 / -0.83%
             |             
            
                36.40
             |           
            
                36.40
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                11.38
             |                                 
            
                82,570
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2010
             | 
            
                0.00 / 0.00%
             |             
            
                36.10
             |           
            
                36.40
             |               
            
                36.00
             |                           
            
                36.10
             | 
            
                36.10
             |                     
            
                11.47
             |                                 
            
                140,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2010
             | 
            
                +0.20 / +0.56%
             |             
            
                36.30
             |           
            
                36.30
             |               
            
                35.80
             |                           
            
                36.10
             | 
            
                36.10
             |                     
            
                11.47
             |                                 
            
                134,960
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2010
             | 
            
                +0.50 / +1.41%
             |             
            
                35.90
             |           
            
                36.40
             |               
            
                35.80
             |                           
            
                35.90
             | 
            
                35.90
             |                     
            
                11.41
             |                                 
            
                320,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2010
             | 
            
                +0.10 / +0.28%
             |             
            
                35.50
             |           
            
                35.70
             |               
            
                35.20
             |                           
            
                35.40
             | 
            
                35.40
             |                     
            
                11.25
             |                                 
            
                97,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2010
             | 
            
                +0.10 / +0.28%
             |             
            
                35.20
             |           
            
                35.70
             |               
            
                35.20
             |                           
            
                35.30
             | 
            
                35.30
             |                     
            
                11.22
             |                                 
            
                91,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |