| 
                 
                    Closing price on 4/5/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    40.00 | 
                 
                
                    | High | 
                    41.70 | 
                 
                
                    | Low | 
                    40.00 | 
                     
                
                    | Volume | 
                    171,690 | 
                                 
                
                    | Split-adjusted Price | 
                    12.89 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/5/2010
             | 
            
                +1.90 / +4.77%
             |             
            
                40.00
             |           
            
                41.70
             |               
            
                40.00
             |                           
            
                41.70
             | 
            
                41.70
             |                     
            
                12.89
             |                                 
            
                171,690
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2010
             | 
            
                -0.20 / -0.50%
             |             
            
                40.00
             |           
            
                40.40
             |               
            
                39.50
             |                           
            
                39.80
             | 
            
                39.80
             |                     
            
                12.30
             |                                 
            
                82,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2010
             | 
            
                +0.40 / +1.01%
             |             
            
                39.80
             |           
            
                40.00
             |               
            
                39.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                12.37
             |                                 
            
                132,090
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2010
             | 
            
                -1.80 / -4.35%
             |             
            
                41.40
             |           
            
                41.80
             |               
            
                39.50
             |                           
            
                39.60
             | 
            
                39.60
             |                     
            
                12.24
             |                                 
            
                74,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2010
             | 
            
                -0.60 / -1.43%
             |             
            
                41.50
             |           
            
                42.00
             |               
            
                41.30
             |                           
            
                41.40
             | 
            
                41.40
             |                     
            
                12.80
             |                                 
            
                99,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2010
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.90
             |               
            
                41.50
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                12.98
             |                                 
            
                37,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2010
             | 
            
                +0.20 / +0.48%
             |             
            
                41.80
             |           
            
                42.50
             |               
            
                41.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                12.98
             |                                 
            
                179,780
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2010
             | 
            
                -2.20 / -5.00%
             |             
            
                43.00
             |           
            
                43.20
             |               
            
                41.80
             |                           
            
                41.80
             | 
            
                41.80
             |                     
            
                12.92
             |                                 
            
                175,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2010
             | 
            
                +0.50 / +1.15%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                43.70
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                13.60
             |                                 
            
                115,670
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2010
             | 
            
                -0.50 / -1.14%
             |             
            
                44.00
             |           
            
                44.50
             |               
            
                43.50
             |                           
            
                43.50
             | 
            
                43.50
             |                     
            
                13.45
             |                                 
            
                81,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2010
             | 
            
                -0.50 / -1.12%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                43.80
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                13.60
             |                                 
            
                51,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2010
             | 
            
                -0.50 / -1.11%
             |             
            
                45.00
             |           
            
                45.20
             |               
            
                44.50
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                13.76
             |                                 
            
                86,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2010
             | 
            
                +1.10 / +2.51%
             |             
            
                44.80
             |           
            
                45.00
             |               
            
                43.90
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                13.91
             |                                 
            
                90,440
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2010
             | 
            
                -2.10 / -4.57%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                43.90
             |                           
            
                43.90
             | 
            
                43.90
             |                     
            
                13.57
             |                                 
            
                164,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2010
             | 
            
                -1.70 / -3.56%
             |             
            
                46.00
             |           
            
                47.70
             |               
            
                45.40
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                14.22
             |                                 
            
                137,760
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2010
             | 
            
                -0.90 / -1.85%
             |             
            
                48.60
             |           
            
                49.00
             |               
            
                47.50
             |                           
            
                47.70
             | 
            
                47.70
             |                     
            
                14.75
             |                                 
            
                222,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2010
             | 
            
                -0.50 / -1.02%
             |             
            
                48.00
             |           
            
                49.00
             |               
            
                48.00
             |                           
            
                48.60
             | 
            
                48.60
             |                     
            
                15.03
             |                                 
            
                179,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2010
             | 
            
                0.00 / 0.00%
             |             
            
                49.10
             |           
            
                49.10
             |               
            
                48.10
             |                           
            
                49.10
             | 
            
                49.10
             |                     
            
                15.18
             |                                 
            
                184,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2010
             | 
            
                +0.10 / +0.20%
             |             
            
                49.00
             |           
            
                50.00
             |               
            
                48.50
             |                           
            
                49.10
             | 
            
                49.10
             |                     
            
                14.96
             |                                 
            
                239,530
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2010
             | 
            
                +2.20 / +4.70%
             |             
            
                48.00
             |           
            
                49.10
             |               
            
                47.80
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                14.93
             |                                 
            
                841,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2010
             | 
            
                +2.20 / +4.93%
             |             
            
                45.00
             |           
            
                46.80
             |               
            
                45.00
             |                           
            
                46.80
             | 
            
                46.80
             |                     
            
                14.26
             |                                 
            
                345,210
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2010
             | 
            
                +0.10 / +0.22%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                44.50
             |                           
            
                44.60
             | 
            
                44.60
             |                     
            
                13.59
             |                                 
            
                98,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2010
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                45.50
             |               
            
                44.30
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                13.56
             |                                 
            
                197,720
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2010
             | 
            
                +0.50 / +1.14%
             |             
            
                43.70
             |           
            
                44.50
             |               
            
                43.70
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                13.56
             |                                 
            
                51,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2010
             | 
            
                +0.20 / +0.46%
             |             
            
                44.20
             |           
            
                44.20
             |               
            
                43.60
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                13.41
             |                                 
            
                75,460
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2010
             | 
            
                +0.30 / +0.69%
             |             
            
                43.60
             |           
            
                44.00
             |               
            
                43.60
             |                           
            
                43.80
             | 
            
                43.80
             |                     
            
                13.35
             |                                 
            
                65,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2010
             | 
            
                +0.10 / +0.23%
             |             
            
                43.50
             |           
            
                43.70
             |               
            
                43.10
             |                           
            
                43.50
             | 
            
                43.50
             |                     
            
                13.26
             |                                 
            
                101,180
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2010
             | 
            
                -0.10 / -0.23%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                43.20
             |                           
            
                43.40
             | 
            
                43.40
             |                     
            
                13.23
             |                                 
            
                60,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2010
             | 
            
                -0.50 / -1.14%
             |             
            
                44.00
             |           
            
                44.30
             |               
            
                43.50
             |                           
            
                43.50
             | 
            
                43.50
             |                     
            
                13.26
             |                                 
            
                80,410
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2010
             | 
            
                -0.90 / -2.00%
             |             
            
                43.60
             |           
            
                44.80
             |               
            
                43.20
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                13.41
             |                                 
            
                162,550
             |  
            
                 
             |                                                              
             
    
         
    
    
 |