| 
                 
                    Closing price on 6/19/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.70 | 
                 
                
                    | High | 
                    3.70 | 
                 
                
                    | Low | 
                    3.50 | 
                     
                
                    | Volume | 
                    10,500 | 
                                 
                
                    | Split-adjusted Price | 
                    3.47 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
TST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/19/2013
             | 
            
                -0.10 / -2.63%
             |             
            
                3.70
             |           
            
                3.70
             |               
            
                3.50
             |                           
            
                3.70
             | 
            
                3.70
             |                     
            
                3.47
             |                                 
            
                10,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                3.57
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2013
             | 
            
                +0.20 / +5.56%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.60
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                3.57
             |                                 
            
                11,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2013
             | 
            
                +0.30 / +9.09%
             |             
            
                3.30
             |           
            
                3.60
             |               
            
                3.30
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.38
             |                                 
            
                42,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2013
             | 
            
                +0.10 / +3.13%
             |             
            
                3.10
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2013
             | 
            
                -0.10 / -3.03%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.00
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.20
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2013
             | 
            
                +0.10 / +3.13%
             |             
            
                3.00
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.20
             |               
            
                3.00
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.00
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2013
             | 
            
                -0.10 / -3.03%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.00
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.50
             |               
            
                3.00
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2013
             | 
            
                +0.30 / +10.00%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2013
             | 
            
                -0.30 / -9.09%
             |             
            
                3.00
             |           
            
                3.60
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                2.82
             |                                 
            
                10,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.20
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2013
             | 
            
                +0.20 / +6.45%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.00
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.10
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2013
             | 
            
                +0.20 / +6.90%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                2.91
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2013
             | 
            
                +0.20 / +7.41%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.72
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2013
             | 
            
                -0.20 / -6.90%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.53
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2013
             | 
            
                -0.30 / -9.38%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.72
             |                                 
            
                26,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2013
             | 
            
                +0.20 / +6.67%
             |             
            
                3.00
             |           
            
                3.20
             |               
            
                3.00
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.00
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                2.82
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                2.82
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                2.82
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2013
             | 
            
                -0.10 / -3.23%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                2.82
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2013
             | 
            
                +0.20 / +6.90%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                2.91
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.72
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |