| 
                 
                    Closing price on 4/4/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.40 | 
                 
                
                    | High | 
                    3.40 | 
                 
                
                    | Low | 
                    3.30 | 
                     
                
                    | Volume | 
                    5,900 | 
                                 
                
                    | Split-adjusted Price | 
                    3.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
TST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                5,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.20
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                29,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2013
             | 
            
                -0.10 / -2.94%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                17,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                20,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2013
             | 
            
                -0.10 / -2.86%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                11,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2013
             | 
            
                +0.20 / +6.06%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.50
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.28
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2013
             | 
            
                -0.30 / -8.33%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2013
             | 
            
                +0.20 / +5.88%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.38
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2013
             | 
            
                -0.20 / -5.56%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.38
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2013
             | 
            
                +0.30 / +9.09%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.38
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2013
             | 
            
                -0.20 / -5.71%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2013
             | 
            
                +0.30 / +9.38%
             |             
            
                3.20
             |           
            
                3.50
             |               
            
                3.20
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.28
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2013
             | 
            
                -0.20 / -5.88%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.00
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2013
             | 
            
                +0.10 / +3.03%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.19
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2013
             | 
            
                -0.20 / -5.71%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2013
             | 
            
                -0.20 / -5.41%
             |             
            
                3.40
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.28
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2013
             | 
            
                +0.10 / +2.78%
             |             
            
                3.70
             |           
            
                3.70
             |               
            
                3.40
             |                           
            
                3.70
             | 
            
                3.70
             |                     
            
                3.47
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2013
             | 
            
                +0.10 / +2.86%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.38
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2013
             | 
            
                -0.20 / -5.41%
             |             
            
                3.70
             |           
            
                3.70
             |               
            
                3.50
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.28
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |