| 
                 
                    Closing price on 8/31/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    32.00 | 
                 
                
                    | High | 
                    32.00 | 
                 
                
                    | Low | 
                    32.00 | 
                     
                
                    | Volume | 
                    6,420 | 
                                 
                
                    | Split-adjusted Price | 
                    2.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ST8 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/31/2009
             | 
            
                +1.50 / +4.92%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                2.24
             |                                 
            
                6,420
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.90
             |               
            
                30.00
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                2.13
             |                                 
            
                20,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                29.80
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                2.13
             |                                 
            
                13,420
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2009
             | 
            
                -0.20 / -0.65%
             |             
            
                30.40
             |           
            
                30.90
             |               
            
                30.40
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                2.13
             |                                 
            
                15,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2009
             | 
            
                -1.10 / -3.46%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                2.14
             |                                 
            
                10,330
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2009
             | 
            
                +0.20 / +0.63%
             |             
            
                31.60
             |           
            
                31.80
             |               
            
                31.60
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                2.22
             |                                 
            
                7,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2009
             | 
            
                +1.50 / +4.98%
             |             
            
                31.60
             |           
            
                31.60
             |               
            
                31.10
             |                           
            
                31.60
             | 
            
                31.60
             |                     
            
                2.21
             |                                 
            
                31,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2009
             | 
            
                +1.40 / +4.88%
             |             
            
                29.00
             |           
            
                30.10
             |               
            
                28.80
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                2.10
             |                                 
            
                50,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2009
             | 
            
                0.00 / 0.00%
             |             
            
                28.20
             |           
            
                28.80
             |               
            
                28.20
             |                           
            
                28.70
             | 
            
                28.70
             |                     
            
                2.00
             |                                 
            
                9,940
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2009
             | 
            
                0.00 / 0.00%
             |             
            
                27.50
             |           
            
                28.70
             |               
            
                27.50
             |                           
            
                28.70
             | 
            
                28.70
             |                     
            
                2.00
             |                                 
            
                6,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2009
             | 
            
                -0.30 / -1.03%
             |             
            
                29.00
             |           
            
                29.20
             |               
            
                28.70
             |                           
            
                28.70
             | 
            
                28.70
             |                     
            
                2.00
             |                                 
            
                17,510
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2009
             | 
            
                0.00 / 0.00%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                2.03
             |                                 
            
                3,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2009
             | 
            
                +0.40 / +1.40%
             |             
            
                29.00
             |           
            
                29.20
             |               
            
                28.70
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                2.03
             |                                 
            
                18,970
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2009
             | 
            
                -0.50 / -1.72%
             |             
            
                28.20
             |           
            
                30.00
             |               
            
                28.20
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                2.00
             |                                 
            
                20,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2009
             | 
            
                -0.90 / -3.00%
             |             
            
                28.80
             |           
            
                29.50
             |               
            
                28.80
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                2.03
             |                                 
            
                8,030
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2009
             | 
            
                +1.00 / +3.45%
             |             
            
                29.00
             |           
            
                30.00
             |               
            
                29.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                2.10
             |                                 
            
                9,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2009
             | 
            
                +0.20 / +0.69%
             |             
            
                27.70
             |           
            
                29.00
             |               
            
                27.70
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                2.03
             |                                 
            
                30,520
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2009
             | 
            
                +1.30 / +4.73%
             |             
            
                28.80
             |           
            
                28.80
             |               
            
                28.80
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                2.01
             |                                 
            
                28,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2009
             | 
            
                +1.30 / +4.96%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                27.00
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                1.92
             |                                 
            
                55,180
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2009
             | 
            
                +0.80 / +3.15%
             |             
            
                26.40
             |           
            
                26.50
             |               
            
                26.20
             |                           
            
                26.20
             | 
            
                26.20
             |                     
            
                1.83
             |                                 
            
                10,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2009
             | 
            
                +1.10 / +4.53%
             |             
            
                25.00
             |           
            
                25.40
             |               
            
                24.50
             |                           
            
                25.40
             | 
            
                25.40
             |                     
            
                1.77
             |                                 
            
                11,290
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2009
             | 
            
                +1.10 / +4.74%
             |             
            
                24.20
             |           
            
                24.30
             |               
            
                24.00
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                1.70
             |                                 
            
                17,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2009
             | 
            
                -0.30 / -1.28%
             |             
            
                22.80
             |           
            
                24.20
             |               
            
                22.80
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                1.62
             |                                 
            
                7,690
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2009
             | 
            
                -0.50 / -2.08%
             |             
            
                23.30
             |           
            
                25.00
             |               
            
                23.30
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                1.64
             |                                 
            
                1,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2009
             | 
            
                -1.10 / -4.38%
             |             
            
                23.90
             |           
            
                25.80
             |               
            
                23.90
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                1.68
             |                                 
            
                18,110
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2009
             | 
            
                -0.50 / -1.95%
             |             
            
                26.60
             |           
            
                26.60
             |               
            
                25.10
             |                           
            
                25.10
             | 
            
                25.10
             |                     
            
                1.75
             |                                 
            
                7,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2009
             | 
            
                +1.20 / +4.92%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                1.79
             |                                 
            
                20,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2009
             | 
            
                +1.10 / +4.72%
             |             
            
                23.30
             |           
            
                24.40
             |               
            
                23.00
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                1.70
             |                                 
            
                5,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2009
             | 
            
                -0.10 / -0.43%
             |             
            
                23.00
             |           
            
                24.40
             |               
            
                23.00
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                1.63
             |                                 
            
                4,970
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2009
             | 
            
                +0.80 / +3.54%
             |             
            
                23.70
             |           
            
                23.70
             |               
            
                22.90
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                1.63
             |                                 
            
                7,810
             |  
            
                 
             |                                                              
             
    
         
    
    
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