| 
                 
                    Closing price on 5/25/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.60 | 
                 
                
                    | High | 
                    4.60 | 
                 
                
                    | Low | 
                    4.60 | 
                     
                
                    | Volume | 
                    1,000 | 
                                 
                
                    | Split-adjusted Price | 
                    0.86 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VIT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/25/2012
             | 
            
                -0.10 / -2.13%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                0.86
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2012
             | 
            
                +0.30 / +6.82%
             |             
            
                4.10
             |           
            
                4.70
             |               
            
                4.10
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                0.88
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2012
             | 
            
                -0.20 / -4.35%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                0.82
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2012
             | 
            
                -0.10 / -2.13%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                0.86
             |                                 
            
                31,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                0.88
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                0.88
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2012
             | 
            
                -0.30 / -6.00%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                0.88
             |                                 
            
                7,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2012
             | 
            
                -0.30 / -5.66%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                0.93
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                5.30
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                0.99
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2012
             | 
            
                +0.30 / +6.00%
             |             
            
                4.80
             |           
            
                5.30
             |               
            
                4.80
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                0.99
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2012
             | 
            
                -0.30 / -5.66%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                0.93
             |                                 
            
                8,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2012
             | 
            
                +0.30 / +6.00%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.10
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                0.99
             |                                 
            
                15,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                0.93
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2012
             | 
            
                +0.10 / +2.04%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                0.93
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2012
             | 
            
                +0.10 / +2.08%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                0.92
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2012
             | 
            
                -0.10 / -2.04%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                0.90
             |                                 
            
                9,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2012
             | 
            
                -0.30 / -5.77%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                0.92
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                0.97
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                0.97
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2012
             | 
            
                +0.10 / +1.96%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                0.97
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2012
             | 
            
                -0.10 / -1.92%
             |             
            
                4.90
             |           
            
                5.20
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                0.95
             |                                 
            
                17,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2012
             | 
            
                -0.20 / -3.70%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                0.97
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                1.01
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2012
             | 
            
                -0.30 / -5.26%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                1.01
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2012
             | 
            
                +0.20 / +3.64%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                1.07
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                1.03
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                1.03
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                1.03
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                1.03
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2012
             | 
            
                -0.10 / -1.79%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                1.03
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |