| 
                 
                    Closing price on 5/26/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    33.00 | 
                 
                
                    | High | 
                    33.00 | 
                 
                
                    | Low | 
                    32.00 | 
                     
                
                    | Volume | 
                    9,630 | 
                                 
                
                    | Split-adjusted Price | 
                    2.91 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ST8 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/26/2010
             | 
            
                -0.10 / -0.30%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                32.00
             |                           
            
                32.90
             | 
            
                32.90
             |                     
            
                2.91
             |                                 
            
                9,630
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2010
             | 
            
                +1.20 / +3.77%
             |             
            
                31.10
             |           
            
                33.00
             |               
            
                30.50
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                2.92
             |                                 
            
                5,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2010
             | 
            
                -1.60 / -4.79%
             |             
            
                31.80
             |           
            
                31.80
             |               
            
                31.80
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                2.81
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2010
             | 
            
                -0.60 / -1.76%
             |             
            
                32.30
             |           
            
                33.50
             |               
            
                32.30
             |                           
            
                33.40
             | 
            
                33.40
             |                     
            
                2.95
             |                                 
            
                6,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2010
             | 
            
                +0.50 / +1.49%
             |             
            
                31.90
             |           
            
                34.00
             |               
            
                31.90
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                3.00
             |                                 
            
                13,440
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2010
             | 
            
                -0.50 / -1.47%
             |             
            
                34.10
             |           
            
                34.10
             |               
            
                32.30
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                2.96
             |                                 
            
                9,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2010
             | 
            
                +1.50 / +4.62%
             |             
            
                33.30
             |           
            
                34.10
             |               
            
                33.30
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                3.00
             |                                 
            
                49,230
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2010
             | 
            
                0.00 / 0.00%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                31.00
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                2.87
             |                                 
            
                38,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2010
             | 
            
                +1.50 / +4.84%
             |             
            
                31.00
             |           
            
                32.50
             |               
            
                31.00
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                2.87
             |                                 
            
                64,640
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                31.40
             |           
            
                31.40
             |               
            
                30.90
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                2.74
             |                                 
            
                16,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2010
             | 
            
                +0.50 / +1.64%
             |             
            
                30.20
             |           
            
                31.50
             |               
            
                30.20
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                2.74
             |                                 
            
                36,190
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2010
             | 
            
                +0.60 / +2.01%
             |             
            
                29.90
             |           
            
                30.50
             |               
            
                29.90
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                2.69
             |                                 
            
                29,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2010
             | 
            
                -0.30 / -0.99%
             |             
            
                30.00
             |           
            
                30.10
             |               
            
                29.10
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                2.64
             |                                 
            
                40,850
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2010
             | 
            
                -1.00 / -3.21%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                29.70
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                2.67
             |                                 
            
                31,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2010
             | 
            
                0.00 / 0.00%
             |             
            
                31.00
             |           
            
                31.50
             |               
            
                31.00
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                2.76
             |                                 
            
                25,830
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2010
             | 
            
                0.00 / 0.00%
             |             
            
                31.20
             |           
            
                31.70
             |               
            
                30.00
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                2.76
             |                                 
            
                14,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2010
             | 
            
                +1.40 / +4.70%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                31.20
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                2.76
             |                                 
            
                15,080
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2010
             | 
            
                +0.40 / +1.36%
             |             
            
                29.30
             |           
            
                30.00
             |               
            
                29.30
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                2.63
             |                                 
            
                11,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2010
             | 
            
                -0.20 / -0.68%
             |             
            
                29.00
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                2.60
             |                                 
            
                15,620
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2010
             | 
            
                -0.60 / -1.99%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.50
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                2.62
             |                                 
            
                3,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                31.40
             |           
            
                31.40
             |               
            
                30.20
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                2.67
             |                                 
            
                1,560
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2010
             | 
            
                -0.20 / -0.66%
             |             
            
                30.30
             |           
            
                30.50
             |               
            
                30.00
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                2.67
             |                                 
            
                12,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2010
             | 
            
                -0.40 / -1.30%
             |             
            
                29.40
             |           
            
                30.50
             |               
            
                29.40
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                2.69
             |                                 
            
                25,910
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2010
             | 
            
                +1.00 / +3.36%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                2.72
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2010
             | 
            
                +0.30 / +1.02%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.50
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                2.63
             |                                 
            
                4,260
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2010
             | 
            
                -3.60 / -10.88%
             |             
            
                29.20
             |           
            
                30.00
             |               
            
                29.10
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                2.61
             |                                 
            
                30,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2010
             | 
            
                -0.70 / -2.07%
             |             
            
                33.10
             |           
            
                33.70
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                2.54
             |                                 
            
                5,410
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2010
             | 
            
                +0.80 / +2.42%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.70
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                2.60
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2010
             | 
            
                -1.00 / -2.94%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                2.54
             |                                 
            
                5,850
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2010
             | 
            
                +0.90 / +2.72%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                2.61
             |                                 
            
                3,750
             |  
            
                 
             |                                                              
             
    
         
    
    
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