| 
                 
                    Closing price on 2/10/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.80 | 
                 
                
                    | High | 
                    20.90 | 
                 
                
                    | Low | 
                    19.80 | 
                     
                
                    | Volume | 
                    4,340 | 
                                 
                
                    | Split-adjusted Price | 
                    1.32 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ST8 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/10/2009
             | 
            
                -1.00 / -4.81%
             |             
            
                19.80
             |           
            
                20.90
             |               
            
                19.80
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                1.32
             |                                 
            
                4,340
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2009
             | 
            
                -1.00 / -4.59%
             |             
            
                22.40
             |           
            
                22.40
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                1.38
             |                                 
            
                1,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2009
             | 
            
                +0.90 / +4.31%
             |             
            
                20.00
             |           
            
                21.80
             |               
            
                19.90
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                1.45
             |                                 
            
                1,670
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2009
             | 
            
                0.00 / 0.00%
             |             
            
                20.90
             |           
            
                20.90
             |               
            
                20.90
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                1.39
             |                                 
            
                30
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2009
             | 
            
                +0.90 / +4.50%
             |             
            
                20.90
             |           
            
                20.90
             |               
            
                20.90
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                1.39
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2009
             | 
            
                +0.50 / +2.56%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                20.00
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                1.33
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2009
             | 
            
                -1.00 / -4.88%
             |             
            
                19.70
             |           
            
                21.30
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                1.30
             |                                 
            
                530
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2009
             | 
            
                +0.40 / +1.99%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                1.36
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2009
             | 
            
                0.00 / 0.00%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                20.10
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                1.34
             |                                 
            
                480
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2009
             | 
            
                -0.10 / -0.50%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                19.20
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                1.34
             |                                 
            
                1,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2009
             | 
            
                -0.20 / -0.98%
             |             
            
                20.00
             |           
            
                20.20
             |               
            
                19.90
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                1.34
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2009
             | 
            
                0.00 / 0.00%
             |             
            
                20.10
             |           
            
                20.40
             |               
            
                20.10
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                1.36
             |                                 
            
                13,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2009
             | 
            
                0.00 / 0.00%
             |             
            
                20.40
             |           
            
                20.40
             |               
            
                20.40
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                1.36
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2009
             | 
            
                -0.10 / -0.49%
             |             
            
                20.40
             |           
            
                20.40
             |               
            
                20.40
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                1.36
             |                                 
            
                1,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2009
             | 
            
                +0.30 / +1.49%
             |             
            
                20.30
             |           
            
                20.50
             |               
            
                20.20
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                1.36
             |                                 
            
                3,510
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2009
             | 
            
                0.00 / 0.00%
             |             
            
                20.40
             |           
            
                20.40
             |               
            
                20.20
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                1.34
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2009
             | 
            
                -0.20 / -0.98%
             |             
            
                20.20
             |           
            
                20.30
             |               
            
                20.00
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                1.34
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2009
             | 
            
                +0.50 / +2.51%
             |             
            
                20.40
             |           
            
                20.40
             |               
            
                20.00
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                1.36
             |                                 
            
                7,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2009
             | 
            
                +0.30 / +1.53%
             |             
            
                19.10
             |           
            
                19.90
             |               
            
                19.10
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                1.32
             |                                 
            
                1,460
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2009
             | 
            
                +0.90 / +4.81%
             |             
            
                19.00
             |           
            
                19.60
             |               
            
                19.00
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                1.30
             |                                 
            
                4,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2009
             | 
            
                -0.30 / -1.58%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.70
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                1.24
             |                                 
            
                2,910
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2009
             | 
            
                -0.10 / -0.52%
             |             
            
                18.90
             |           
            
                19.00
             |               
            
                18.50
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                1.26
             |                                 
            
                1,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/2/2009
             | 
            
                -0.40 / -2.05%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                1.27
             |                                 
            
                2,730
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2008
             | 
            
                +0.20 / +1.04%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.30
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                1.30
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2008
             | 
            
                +0.70 / +3.76%
             |             
            
                18.60
             |           
            
                19.30
             |               
            
                18.60
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                1.28
             |                                 
            
                3,040
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2008
             | 
            
                -0.70 / -3.63%
             |             
            
                18.50
             |           
            
                18.70
             |               
            
                18.50
             |                           
            
                18.60
             | 
            
                18.60
             |                     
            
                1.24
             |                                 
            
                5,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2008
             | 
            
                +0.30 / +1.58%
             |             
            
                19.30
             |           
            
                19.30
             |               
            
                19.30
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                1.28
             |                                 
            
                230
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2008
             | 
            
                -0.20 / -1.04%
             |             
            
                19.20
             |           
            
                19.20
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                1.26
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2008
             | 
            
                +0.40 / +2.13%
             |             
            
                18.80
             |           
            
                19.20
             |               
            
                18.60
             |                           
            
                19.20
             | 
            
                19.20
             |                     
            
                1.28
             |                                 
            
                1,290
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2008
             | 
            
                -0.80 / -4.08%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                18.80
             |                           
            
                18.80
             | 
            
                18.80
             |                     
            
                1.25
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |