| 
                 
                    Closing price on 8/17/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    32.50 | 
                 
                
                    | High | 
                    34.00 | 
                 
                
                    | Low | 
                    32.10 | 
                     
                
                    | Volume | 
                    125,620 | 
                                 
                
                    | Split-adjusted Price | 
                    10.55 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2010
             | 
            
                +0.20 / +0.57%
             |             
            
                35.50
             |           
            
                35.70
             |               
            
                34.80
             |                           
            
                35.20
             | 
            
                35.20
             |                     
            
                11.18
             |                                 
            
                99,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2010
             | 
            
                -1.00 / -2.78%
             |             
            
                36.00
             |           
            
                36.30
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                11.12
             |                                 
            
                145,770
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2010
             | 
            
                +0.90 / +2.56%
             |             
            
                35.10
             |           
            
                36.80
             |               
            
                35.10
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                11.44
             |                                 
            
                415,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2010
             | 
            
                -0.60 / -1.68%
             |             
            
                36.30
             |           
            
                36.30
             |               
            
                35.10
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                11.15
             |                                 
            
                161,830
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2010
             | 
            
                +1.70 / +5.00%
             |             
            
                35.20
             |           
            
                35.70
             |               
            
                35.00
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                11.34
             |                                 
            
                444,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2010
             | 
            
                +0.10 / +0.29%
             |             
            
                34.00
             |           
            
                34.10
             |               
            
                33.80
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                10.80
             |                                 
            
                89,460
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2010
             | 
            
                -0.20 / -0.59%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                33.90
             |                           
            
                33.90
             | 
            
                33.90
             |                     
            
                10.77
             |                                 
            
                53,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2010
             | 
            
                -0.70 / -2.01%
             |             
            
                34.80
             |           
            
                34.90
             |               
            
                34.10
             |                           
            
                34.10
             | 
            
                34.10
             |                     
            
                10.84
             |                                 
            
                168,130
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.20
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                11.06
             |                                 
            
                107,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2010
             | 
            
                -0.10 / -0.29%
             |             
            
                34.10
             |           
            
                34.80
             |               
            
                34.10
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                11.06
             |                                 
            
                21,060
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2010
             | 
            
                -0.20 / -0.57%
             |             
            
                35.10
             |           
            
                35.50
             |               
            
                34.80
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                11.09
             |                                 
            
                24,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2010
             | 
            
                +0.30 / +0.86%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.00
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                11.15
             |                                 
            
                238,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2010
             | 
            
                +1.60 / +4.82%
             |             
            
                34.20
             |           
            
                34.80
             |               
            
                34.20
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                11.06
             |                                 
            
                385,450
             |  
            
                 
             |                                                              
             
    
         
    
    
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