| 
                 
                    Closing price on 12/17/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.30 | 
                 
                
                    | High | 
                    4.40 | 
                 
                
                    | Low | 
                    4.30 | 
                     
                
                    | Volume | 
                    79,990 | 
                                 
                
                    | Split-adjusted Price | 
                    1.54 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTO Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/17/2012
             | 
            
                +0.10 / +2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                79,990
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                50,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2012
             | 
            
                -0.20 / -4.44%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                13,980
             |            
            
                 
             |                                       
         
    
        
            | 
                12/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.57
             |                                 
            
                97,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2012
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.57
             |                                 
            
                99,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2012
             | 
            
                +0.20 / +4.76%
             |             
            
                4.20
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                99,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2012
             | 
            
                -0.10 / -2.33%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                59,510
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2012
             | 
            
                +0.10 / +2.38%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                55,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                44,490
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                20,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2012
             | 
            
                +0.10 / +2.44%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                23,410
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.43
             |                                 
            
                15,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.43
             |                                 
            
                2,030
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.43
             |                                 
            
                31,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2012
             | 
            
                -0.10 / -2.38%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.43
             |                                 
            
                40,360
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                7,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                13,210
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2012
             | 
            
                -0.10 / -2.33%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                29,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                30,790
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                5,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                21,790
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2012
             | 
            
                +0.10 / +2.38%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                25,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2012
             | 
            
                -0.20 / -4.55%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                15,030
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2012
             | 
            
                +0.10 / +2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                31,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                66,030
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2012
             | 
            
                +0.10 / +2.38%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                40,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                11,050
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                6,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2012
             | 
            
                +0.10 / +2.44%
             |             
            
                4.10
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                19,880
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.43
             |                                 
            
                9,780
             |  
            
                 
             |                                                              
             
    
         
    
    
 |