| 
                 
                    Closing price on 6/30/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.90 | 
                 
                
                    | High | 
                    7.00 | 
                 
                
                    | Low | 
                    6.80 | 
                     
                
                    | Volume | 
                    220,000 | 
                                 
                
                    | Split-adjusted Price | 
                    2.72 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTO Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/30/2014
             | 
            
                -0.10 / -1.43%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.72
             |                                 
            
                220,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2014
             | 
            
                -0.10 / -1.41%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.76
             |                                 
            
                236,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2014
             | 
            
                +0.30 / +4.41%
             |             
            
                6.80
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.80
             |                                 
            
                806,670
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2014
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.68
             |                                 
            
                224,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2014
             | 
            
                +0.30 / +4.62%
             |             
            
                6.50
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.68
             |                                 
            
                120,390
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2014
             | 
            
                -0.20 / -2.99%
             |             
            
                6.60
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                2.57
             |                                 
            
                56,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2014
             | 
            
                -0.10 / -1.47%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.64
             |                                 
            
                164,330
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2014
             | 
            
                -0.10 / -1.45%
             |             
            
                6.70
             |           
            
                6.90
             |               
            
                6.50
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.68
             |                                 
            
                572,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2014
             | 
            
                -0.10 / -1.43%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.72
             |                                 
            
                495,120
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.76
             |                                 
            
                272,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2014
             | 
            
                +0.20 / +2.94%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.76
             |                                 
            
                569,170
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2014
             | 
            
                +0.40 / +6.25%
             |             
            
                6.40
             |           
            
                6.80
             |               
            
                6.40
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.68
             |                                 
            
                1,128,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2014
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.53
             |                                 
            
                122,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2014
             | 
            
                +0.10 / +1.59%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.53
             |                                 
            
                235,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2014
             | 
            
                -0.10 / -1.56%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                2.49
             |                                 
            
                142,490
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2014
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.53
             |                                 
            
                170,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2014
             | 
            
                +0.20 / +3.23%
             |             
            
                6.30
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.53
             |                                 
            
                198,580
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2014
             | 
            
                +0.10 / +1.64%
             |             
            
                6.10
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                2.45
             |                                 
            
                181,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2014
             | 
            
                -0.20 / -3.17%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                2.41
             |                                 
            
                188,540
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2014
             | 
            
                +0.10 / +1.61%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                2.49
             |                                 
            
                95,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2014
             | 
            
                -0.30 / -4.62%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                2.45
             |                                 
            
                237,820
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2014
             | 
            
                +0.10 / +1.56%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                2.57
             |                                 
            
                118,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2014
             | 
            
                -0.20 / -3.03%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.53
             |                                 
            
                444,240
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2014
             | 
            
                -0.10 / -1.49%
             |             
            
                6.70
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                2.60
             |                                 
            
                477,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2014
             | 
            
                +0.10 / +1.52%
             |             
            
                6.60
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.64
             |                                 
            
                878,950
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2014
             | 
            
                +0.30 / +4.76%
             |             
            
                6.10
             |           
            
                6.60
             |               
            
                6.00
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                2.60
             |                                 
            
                411,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2014
             | 
            
                -0.10 / -1.56%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                2.49
             |                                 
            
                225,990
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2014
             | 
            
                -0.30 / -4.48%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.53
             |                                 
            
                394,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2014
             | 
            
                +0.40 / +6.35%
             |             
            
                6.30
             |           
            
                6.70
             |               
            
                6.00
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.64
             |                                 
            
                597,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2014
             | 
            
                +0.20 / +3.28%
             |             
            
                6.00
             |           
            
                6.30
             |               
            
                5.80
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                2.49
             |                                 
            
                534,540
             |  
            
                 
             |                                                              
             
    
         
    
    
 |