| 
                 
                    Closing price on 7/11/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    11.50 | 
                 
                
                    | High | 
                    11.50 | 
                 
                
                    | Low | 
                    11.50 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    3.89 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCL Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                3.89
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2011
             | 
            
                +0.50 / +4.55%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                3.89
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                3.72
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2011
             | 
            
                -0.10 / -0.90%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                3.72
             |                                 
            
                11,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2011
             | 
            
                -0.40 / -3.48%
             |             
            
                11.10
             |           
            
                11.10
             |               
            
                11.10
             |                           
            
                11.10
             | 
            
                11.10
             |                     
            
                3.76
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2011
             | 
            
                +0.10 / +0.88%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                3.89
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2011
             | 
            
                +0.60 / +5.56%
             |             
            
                11.40
             |           
            
                11.40
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                3.86
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2011
             | 
            
                -0.30 / -2.70%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                3.66
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                11.10
             |           
            
                11.10
             |               
            
                11.10
             |                           
            
                11.10
             | 
            
                11.10
             |                     
            
                3.76
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2011
             | 
            
                +0.10 / +0.91%
             |             
            
                11.10
             |           
            
                11.10
             |               
            
                11.10
             |                           
            
                11.10
             | 
            
                11.10
             |                     
            
                3.76
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2011
             | 
            
                -0.70 / -5.98%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.07
             |                     
            
                3.72
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2011
             | 
            
                +0.70 / +6.36%
             |             
            
                11.50
             |           
            
                11.70
             |               
            
                11.50
             |                           
            
                11.70
             | 
            
                11.63
             |                     
            
                3.96
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2011
             | 
            
                -0.50 / -4.35%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                3.72
             |                                 
            
                10,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2011
             | 
            
                -0.10 / -0.86%
             |             
            
                11.00
             |           
            
                11.50
             |               
            
                10.90
             |                           
            
                11.50
             | 
            
                11.35
             |                     
            
                3.89
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                11.60
             |           
            
                11.60
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                3.93
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                11.60
             |           
            
                11.60
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                3.93
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2011
             | 
            
                -0.80 / -6.45%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                11.63
             |                     
            
                3.93
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2011
             | 
            
                +0.20 / +1.64%
             |             
            
                12.30
             |           
            
                12.40
             |               
            
                12.30
             |                           
            
                12.40
             | 
            
                12.36
             |                     
            
                4.20
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2011
             | 
            
                +0.60 / +5.17%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.30
             |                     
            
                4.13
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2011
             | 
            
                -0.50 / -4.13%
             |             
            
                12.10
             |           
            
                12.30
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                11.94
             |                     
            
                3.93
             |                                 
            
                13,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2011
             | 
            
                +0.20 / +1.68%
             |             
            
                12.10
             |           
            
                12.40
             |               
            
                11.90
             |                           
            
                12.10
             | 
            
                12.27
             |                     
            
                4.10
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2011
             | 
            
                -0.70 / -5.56%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                11.80
             |                           
            
                11.90
             | 
            
                11.83
             |                     
            
                4.03
             |                                 
            
                13,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2011
             | 
            
                0.00 / 0.00%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                4.27
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2011
             | 
            
                +0.90 / +7.69%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                4.27
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                11.70
             |                           
            
                11.70
             | 
            
                11.83
             |                     
            
                3.96
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2011
             | 
            
                +0.60 / +5.41%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.70
             |                           
            
                11.70
             | 
            
                11.70
             |                     
            
                3.96
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2011
             | 
            
                -0.80 / -6.72%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                11.10
             |                           
            
                11.10
             | 
            
                11.65
             |                     
            
                3.76
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2011
             | 
            
                +0.20 / +1.71%
             |             
            
                11.50
             |           
            
                11.90
             |               
            
                11.50
             |                           
            
                11.90
             | 
            
                11.86
             |                     
            
                4.03
             |                                 
            
                17,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2011
             | 
            
                +0.10 / +0.86%
             |             
            
                10.90
             |           
            
                11.70
             |               
            
                10.90
             |                           
            
                11.70
             | 
            
                11.22
             |                     
            
                3.96
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2011
             | 
            
                -0.30 / -2.52%
             |             
            
                11.60
             |           
            
                11.60
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                3.93
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |