| 
                 
                    Closing price on 5/30/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.10 | 
                 
                
                    | High | 
                    13.60 | 
                 
                
                    | Low | 
                    13.10 | 
                     
                
                    | Volume | 
                    1,520 | 
                                 
                
                    | Split-adjusted Price | 
                    1.68 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ST8 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/30/2012
             | 
            
                +0.50 / +3.82%
             |             
            
                13.10
             |           
            
                13.60
             |               
            
                13.10
             |                           
            
                13.60
             | 
            
                13.60
             |                     
            
                1.68
             |                                 
            
                1,520
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2012
             | 
            
                -0.10 / -0.76%
             |             
            
                13.00
             |           
            
                13.10
             |               
            
                13.00
             |                           
            
                13.10
             | 
            
                13.10
             |                     
            
                1.62
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2012
             | 
            
                -0.60 / -4.35%
             |             
            
                13.80
             |           
            
                14.00
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                1.63
             |                                 
            
                2,860
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2012
             | 
            
                +0.50 / +3.76%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                12.80
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                1.71
             |                                 
            
                120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2012
             | 
            
                +0.60 / +4.72%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                13.30
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                1.65
             |                                 
            
                50
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2012
             | 
            
                -0.40 / -3.05%
             |             
            
                12.60
             |           
            
                13.50
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                1.57
             |                                 
            
                2,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2012
             | 
            
                -0.60 / -4.38%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.10
             |                           
            
                13.10
             | 
            
                13.10
             |                     
            
                1.62
             |                                 
            
                550
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2012
             | 
            
                +0.50 / +3.79%
             |             
            
                13.20
             |           
            
                13.70
             |               
            
                13.20
             |                           
            
                13.70
             | 
            
                13.70
             |                     
            
                1.69
             |                                 
            
                4,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2012
             | 
            
                -0.60 / -4.35%
             |             
            
                13.30
             |           
            
                13.80
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                1.63
             |                                 
            
                5,820
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2012
             | 
            
                -0.50 / -3.50%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                1.71
             |                                 
            
                3,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2012
             | 
            
                -0.70 / -4.67%
             |             
            
                14.30
             |           
            
                14.50
             |               
            
                14.30
             |                           
            
                14.30
             | 
            
                14.30
             |                     
            
                1.77
             |                                 
            
                6,010
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2012
             | 
            
                +0.30 / +2.04%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                14.50
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                1.86
             |                                 
            
                3,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2012
             | 
            
                -0.10 / -0.68%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                14.10
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                1.82
             |                                 
            
                15,630
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2012
             | 
            
                +0.70 / +4.96%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                1.83
             |                                 
            
                5,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2012
             | 
            
                +0.60 / +4.44%
             |             
            
                13.70
             |           
            
                14.10
             |               
            
                13.70
             |                           
            
                14.10
             | 
            
                14.10
             |                     
            
                1.74
             |                                 
            
                14,680
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2012
             | 
            
                -0.20 / -1.46%
             |             
            
                13.50
             |           
            
                13.70
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                1.67
             |                                 
            
                2,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2012
             | 
            
                +0.20 / +1.48%
             |             
            
                12.90
             |           
            
                13.70
             |               
            
                12.90
             |                           
            
                13.70
             | 
            
                13.70
             |                     
            
                1.69
             |                                 
            
                20,150
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2012
             | 
            
                +0.30 / +2.27%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                1.67
             |                                 
            
                30
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                13.10
             |           
            
                13.20
             |               
            
                13.10
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                1.63
             |                                 
            
                10,850
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2012
             | 
            
                +0.30 / +2.33%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                12.40
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                1.63
             |                                 
            
                19,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                1.60
             |                                 
            
                6,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                12.70
             |           
            
                12.90
             |               
            
                12.30
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                1.60
             |                                 
            
                3,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2012
             | 
            
                0.00 / 0.00%
             |             
            
                12.80
             |           
            
                12.90
             |               
            
                12.70
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                1.60
             |                                 
            
                1,110
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2012
             | 
            
                +0.60 / +4.88%
             |             
            
                12.60
             |           
            
                12.90
             |               
            
                12.50
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                1.60
             |                                 
            
                4,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2012
             | 
            
                +0.20 / +1.65%
             |             
            
                12.10
             |           
            
                12.30
             |               
            
                12.10
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                5,160
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2012
             | 
            
                -0.20 / -1.63%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                1.50
             |                                 
            
                3,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                2,650
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                3,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                12.00
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                3,280
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2012
             | 
            
                +0.30 / +2.50%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |