| 
                 
                    Closing price on 11/9/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.10 | 
                 
                
                    | High | 
                    4.20 | 
                 
                
                    | Low | 
                    4.10 | 
                     
                
                    | Volume | 
                    11,050 | 
                                 
                
                    | Split-adjusted Price | 
                    1.47 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTO Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.43
             |                                 
            
                40,670
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2012
             | 
            
                -0.20 / -4.65%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.43
             |                                 
            
                140,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                24,510
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2012
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                11,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2012
             | 
            
                +0.10 / +2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                41,990
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2012
             | 
            
                +0.10 / +2.38%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                34,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                35,310
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2012
             | 
            
                -0.10 / -2.33%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.47
             |                                 
            
                11,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2012
             | 
            
                -0.10 / -2.27%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                19,860
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2012
             | 
            
                +0.10 / +2.33%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                54,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2012
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                121,420
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                106,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2012
             | 
            
                -0.10 / -2.22%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                74,750
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.57
             |                                 
            
                38,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2012
             | 
            
                +0.20 / +4.65%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.57
             |                                 
            
                18,220
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2012
             | 
            
                -0.20 / -4.44%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                11,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.57
             |                                 
            
                58,250
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.57
             |                                 
            
                79,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2012
             | 
            
                +0.10 / +2.27%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.57
             |                                 
            
                25,240
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2012
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                23,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2012
             | 
            
                +0.20 / +4.65%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.57
             |                                 
            
                16,960
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2012
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.50
             |                                 
            
                234,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                57,990
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                21,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                41,240
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2012
             | 
            
                -0.10 / -2.22%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.54
             |                                 
            
                12,500
             |  
            
                 
             |                                                              
             
    
         
    
    
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