| 
                 
                    Closing price on 4/26/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    12.80 | 
                 
                
                    | High | 
                    12.90 | 
                 
                
                    | Low | 
                    12.70 | 
                     
                
                    | Volume | 
                    1,110 | 
                                 
                
                    | Split-adjusted Price | 
                    1.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ST8 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2012
             | 
            
                -0.20 / -1.64%
             |             
            
                12.20
             |           
            
                12.20
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                1.48
             |                                 
            
                2,370
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2012
             | 
            
                -0.60 / -4.69%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                1.51
             |                                 
            
                120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2012
             | 
            
                +0.30 / +2.40%
             |             
            
                12.50
             |           
            
                12.80
             |               
            
                12.50
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                1.58
             |                                 
            
                210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2012
             | 
            
                +0.20 / +1.63%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                1.55
             |                                 
            
                250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2012
             | 
            
                +0.20 / +1.65%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                60
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2012
             | 
            
                +0.40 / +3.42%
             |             
            
                12.00
             |           
            
                12.10
             |               
            
                12.00
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                1.50
             |                                 
            
                710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2012
             | 
            
                -0.20 / -1.68%
             |             
            
                11.70
             |           
            
                12.20
             |               
            
                11.70
             |                           
            
                11.70
             | 
            
                11.70
             |                     
            
                1.45
             |                                 
            
                160
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2012
             | 
            
                -0.30 / -2.46%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                11.90
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                1.47
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2012
             | 
            
                +0.40 / +3.39%
             |             
            
                11.60
             |           
            
                12.20
             |               
            
                11.60
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                1.51
             |                                 
            
                150
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2012
             | 
            
                -0.40 / -3.28%
             |             
            
                11.80
             |           
            
                11.80
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                1.46
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2012
             | 
            
                -0.10 / -0.81%
             |             
            
                12.20
             |           
            
                12.20
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                1.51
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                12.20
             |           
            
                12.30
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                80
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2012
             | 
            
                -0.10 / -0.81%
             |             
            
                11.80
             |           
            
                12.30
             |               
            
                11.80
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                620
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.10
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                1.53
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2012
             | 
            
                -0.10 / -0.80%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                1.53
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2012
             | 
            
                +0.20 / +1.63%
             |             
            
                12.30
             |           
            
                12.50
             |               
            
                12.30
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                1.55
             |                                 
            
                2,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2012
             | 
            
                +0.30 / +2.50%
             |             
            
                12.00
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                2,140
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2012
             | 
            
                -0.30 / -2.44%
             |             
            
                12.00
             |           
            
                12.40
             |               
            
                11.80
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                1.48
             |                                 
            
                30,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2012
             | 
            
                -0.60 / -4.65%
             |             
            
                12.40
             |           
            
                12.60
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.52
             |                                 
            
                14,220
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2012
             | 
            
                +0.30 / +2.38%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                1.60
             |                                 
            
                120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2012
             | 
            
                +0.60 / +5.00%
             |             
            
                12.00
             |           
            
                12.60
             |               
            
                11.90
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                1.56
             |                                 
            
                3,070
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2012
             | 
            
                -0.60 / -4.76%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                1.48
             |                                 
            
                20,230
             |  
            
                 
             |                                                              
             
    
         
    
    
 |