| 
                 
                    Closing price on 3/23/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    33.90 | 
                 
                
                    | High | 
                    34.80 | 
                 
                
                    | Low | 
                    33.90 | 
                     
                
                    | Volume | 
                    1,540 | 
                                 
                
                    | Split-adjusted Price | 
                    2.65 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ST8 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/23/2010
             | 
            
                -0.40 / -1.15%
             |             
            
                33.90
             |           
            
                34.80
             |               
            
                33.90
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                2.65
             |                                 
            
                1,540
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2010
             | 
            
                -0.40 / -1.13%
             |             
            
                34.00
             |           
            
                34.90
             |               
            
                33.70
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                2.68
             |                                 
            
                2,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2010
             | 
            
                +0.40 / +1.15%
             |             
            
                34.00
             |           
            
                35.30
             |               
            
                34.00
             |                           
            
                35.30
             | 
            
                35.30
             |                     
            
                2.71
             |                                 
            
                1,620
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2010
             | 
            
                +1.10 / +3.25%
             |             
            
                35.10
             |           
            
                35.10
             |               
            
                33.50
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                2.68
             |                                 
            
                30,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2010
             | 
            
                0.00 / 0.00%
             |             
            
                33.80
             |           
            
                34.00
             |               
            
                33.80
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                2.60
             |                                 
            
                1,110
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2010
             | 
            
                -1.30 / -3.70%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                33.80
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                2.60
             |                                 
            
                2,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2010
             | 
            
                -0.10 / -0.28%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.10
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                2.70
             |                                 
            
                8,090
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2010
             | 
            
                -0.90 / -2.49%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.10
             |                           
            
                35.20
             | 
            
                35.20
             |                     
            
                2.70
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2010
             | 
            
                -0.10 / -0.28%
             |             
            
                35.70
             |           
            
                36.20
             |               
            
                35.50
             |                           
            
                36.10
             | 
            
                36.10
             |                     
            
                2.77
             |                                 
            
                5,380
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2010
             | 
            
                +0.90 / +2.55%
             |             
            
                36.40
             |           
            
                36.40
             |               
            
                36.00
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                2.78
             |                                 
            
                12,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2010
             | 
            
                -1.50 / -4.08%
             |             
            
                35.50
             |           
            
                36.80
             |               
            
                35.30
             |                           
            
                35.30
             | 
            
                35.30
             |                     
            
                2.71
             |                                 
            
                14,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2010
             | 
            
                +0.80 / +2.22%
             |             
            
                36.40
             |           
            
                36.80
             |               
            
                34.60
             |                           
            
                36.80
             | 
            
                36.80
             |                     
            
                2.83
             |                                 
            
                8,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2010
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                2.77
             |                                 
            
                5,210
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2010
             | 
            
                -0.50 / -1.37%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                2.77
             |                                 
            
                6,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2010
             | 
            
                +0.50 / +1.39%
             |             
            
                35.50
             |           
            
                37.00
             |               
            
                35.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                2.80
             |                                 
            
                38,290
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2010
             | 
            
                +1.20 / +3.45%
             |             
            
                35.20
             |           
            
                36.20
             |               
            
                35.20
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                2.77
             |                                 
            
                68,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2010
             | 
            
                +0.50 / +1.46%
             |             
            
                34.30
             |           
            
                35.00
             |               
            
                34.30
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                2.67
             |                                 
            
                23,030
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2010
             | 
            
                +0.90 / +2.69%
             |             
            
                33.80
             |           
            
                34.30
             |               
            
                33.80
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                2.64
             |                                 
            
                20,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2010
             | 
            
                -1.60 / -4.57%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                33.40
             |                           
            
                33.40
             | 
            
                33.40
             |                     
            
                2.57
             |                                 
            
                15,740
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2010
             | 
            
                +1.00 / +2.94%
             |             
            
                34.00
             |           
            
                35.00
             |               
            
                34.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                2.69
             |                                 
            
                4,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2010
             | 
            
                -1.60 / -4.49%
             |             
            
                34.40
             |           
            
                34.50
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                2.61
             |                                 
            
                25,950
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2010
             | 
            
                +1.50 / +4.40%
             |             
            
                35.70
             |           
            
                35.70
             |               
            
                35.00
             |                           
            
                35.60
             | 
            
                35.60
             |                     
            
                2.74
             |                                 
            
                10,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2010
             | 
            
                +1.80 / +5.57%
             |             
            
                34.10
             |           
            
                34.10
             |               
            
                34.10
             |                           
            
                34.10
             | 
            
                34.10
             |                     
            
                2.62
             |                                 
            
                23,390
             |            
            
                 
             |                                       
         
    
        
            | 
                2/11/2010
             | 
            
                0.00 / 0.00%
             |             
            
                32.30
             |           
            
                32.30
             |               
            
                32.30
             |                           
            
                32.30
             | 
            
                32.30
             |                     
            
                2.48
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2010
             | 
            
                +1.20 / +3.86%
             |             
            
                32.30
             |           
            
                32.30
             |               
            
                32.30
             |                           
            
                32.30
             | 
            
                32.30
             |                     
            
                2.48
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2010
             | 
            
                -1.40 / -4.31%
             |             
            
                31.30
             |           
            
                31.30
             |               
            
                31.10
             |                           
            
                31.10
             | 
            
                31.10
             |                     
            
                2.39
             |                                 
            
                7,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2010
             | 
            
                +0.70 / +2.20%
             |             
            
                31.80
             |           
            
                32.50
             |               
            
                31.80
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                2.50
             |                                 
            
                20,030
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2010
             | 
            
                +0.20 / +0.63%
             |             
            
                30.40
             |           
            
                31.80
             |               
            
                30.30
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                2.44
             |                                 
            
                5,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2010
             | 
            
                +0.10 / +0.32%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                30.60
             |                           
            
                31.60
             | 
            
                31.60
             |                     
            
                2.43
             |                                 
            
                3,260
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2010
             | 
            
                +0.50 / +1.61%
             |             
            
                31.00
             |           
            
                31.50
             |               
            
                31.00
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                2.42
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |