| 
                 
                    Closing price on 3/9/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.40 | 
                 
                
                    | High | 
                    20.20 | 
                 
                
                    | Low | 
                    19.40 | 
                     
                
                    | Volume | 
                    207,300 | 
                                 
                
                    | Split-adjusted Price | 
                    3.87 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/9/2012
             | 
            
                +0.30 / +1.54%
             |             
            
                19.40
             |           
            
                20.20
             |               
            
                19.40
             |                           
            
                19.80
             | 
            
                19.94
             |                     
            
                3.87
             |                                 
            
                207,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2012
             | 
            
                -0.70 / -3.47%
             |             
            
                19.30
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.50
             | 
            
                19.37
             |                     
            
                3.81
             |                                 
            
                42,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2012
             | 
            
                -1.30 / -6.05%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.10
             |                           
            
                20.20
             | 
            
                20.28
             |                     
            
                3.95
             |                                 
            
                36,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2012
             | 
            
                -1.00 / -4.44%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                21.40
             |                           
            
                21.50
             | 
            
                21.62
             |                     
            
                4.20
             |                                 
            
                20,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2012
             | 
            
                +0.50 / +2.27%
             |             
            
                21.00
             |           
            
                23.00
             |               
            
                20.90
             |                           
            
                22.50
             | 
            
                21.89
             |                     
            
                4.40
             |                                 
            
                86,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2012
             | 
            
                -0.10 / -0.45%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.39
             |                     
            
                4.30
             |                                 
            
                25,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2012
             | 
            
                +22.10 / +0.00%
             |             
            
                18.20
             |           
            
                22.10
             |               
            
                18.20
             |                           
            
                22.10
             | 
            
                21.99
             |                     
            
                4.32
             |                                 
            
                70,100
             |            
            
                 
             |                                       
         
    
         
    
    
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