| 
                 
                    Closing price on 9/27/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.60 | 
                 
                
                    | High | 
                    9.60 | 
                 
                
                    | Low | 
                    9.60 | 
                     
                
                    | Volume | 
                    100 | 
                                 
                
                    | Split-adjusted Price | 
                    3.25 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCL Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/27/2011
             | 
            
                +0.60 / +6.67%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                3.25
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2011
             | 
            
                -0.30 / -3.23%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                3.05
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                3.15
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                3.15
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2011
             | 
            
                -0.70 / -7.00%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                3.15
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                3.39
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2011
             | 
            
                +0.40 / +4.17%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                3.39
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                3.25
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2011
             | 
            
                +0.30 / +3.23%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                3.25
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2011
             | 
            
                -0.20 / -2.11%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.38
             |                     
            
                3.15
             |                                 
            
                16,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2011
             | 
            
                -0.40 / -4.04%
             |             
            
                9.90
             |           
            
                10.00
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.70
             |                     
            
                3.22
             |                                 
            
                20,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.90
             |           
            
                10.00
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                9.96
             |                     
            
                3.35
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2011
             | 
            
                +0.40 / +4.21%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                3.35
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2011
             | 
            
                -0.50 / -5.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.30
             |                           
            
                9.50
             | 
            
                9.47
             |                     
            
                3.22
             |                                 
            
                23,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.02
             |                     
            
                3.39
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                3.39
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2011
             | 
            
                -0.70 / -6.54%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                3.39
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                3.62
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2011
             | 
            
                +0.50 / +4.90%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                3.62
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2011
             | 
            
                +0.60 / +6.25%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                10.20
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                3.45
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2011
             | 
            
                +0.10 / +1.05%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                3.25
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2011
             | 
            
                +0.50 / +5.56%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                3.22
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.01
             |                     
            
                3.05
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.20
             |                     
            
                3.05
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2011
             | 
            
                +0.20 / +2.27%
             |             
            
                8.90
             |           
            
                9.00
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                8.91
             |                     
            
                3.05
             |                                 
            
                6,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2011
             | 
            
                +0.30 / +3.53%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.94
             |                     
            
                2.98
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2011
             | 
            
                -0.20 / -2.30%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.53
             |                     
            
                2.88
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2011
             | 
            
                -0.30 / -3.33%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                9.00
             |                     
            
                2.95
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2011
             | 
            
                +0.50 / +5.88%
             |             
            
                8.50
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                9.00
             | 
            
                8.66
             |                     
            
                3.05
             |                                 
            
                8,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2011
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                2.88
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
         
    
    
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