| 
                 
                    Closing price on 8/22/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.90 | 
                 
                
                    | High | 
                    8.00 | 
                 
                
                    | Low | 
                    7.80 | 
                     
                
                    | Volume | 
                    387,810 | 
                                 
                
                    | Split-adjusted Price | 
                    3.12 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTO Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/22/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                3.12
             |                                 
            
                387,810
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2014
             | 
            
                +0.10 / +1.28%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                3.12
             |                                 
            
                781,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                8.10
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                3.08
             |                                 
            
                632,670
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                3.08
             |                                 
            
                581,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2014
             | 
            
                +0.10 / +1.30%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                3.08
             |                                 
            
                522,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                3.04
             |                                 
            
                305,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2014
             | 
            
                -0.10 / -1.28%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                3.04
             |                                 
            
                232,840
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2014
             | 
            
                +0.20 / +2.63%
             |             
            
                7.70
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                3.08
             |                                 
            
                522,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2014
             | 
            
                -0.20 / -2.56%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                3.00
             |                                 
            
                521,680
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2014
             | 
            
                -0.10 / -1.27%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                3.08
             |                                 
            
                660,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2014
             | 
            
                -0.20 / -2.47%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                3.12
             |                                 
            
                546,020
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2014
             | 
            
                +0.50 / +6.58%
             |             
            
                7.60
             |           
            
                8.10
             |               
            
                7.50
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                3.20
             |                                 
            
                1,362,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2014
             | 
            
                -0.10 / -1.30%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                3.00
             |                                 
            
                695,250
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2014
             | 
            
                +0.50 / +6.94%
             |             
            
                7.20
             |           
            
                7.70
             |               
            
                7.20
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                3.04
             |                                 
            
                1,798,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2014
             | 
            
                +0.20 / +2.86%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.84
             |                                 
            
                644,230
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2014
             | 
            
                -0.10 / -1.41%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.76
             |                                 
            
                254,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2014
             | 
            
                +0.10 / +1.43%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.80
             |                                 
            
                195,380
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2014
             | 
            
                -0.10 / -1.41%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.76
             |                                 
            
                139,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2014
             | 
            
                +0.10 / +1.43%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.80
             |                                 
            
                343,060
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2014
             | 
            
                -0.10 / -1.41%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.76
             |                                 
            
                331,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2014
             | 
            
                -0.20 / -2.74%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.80
             |                                 
            
                487,180
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2014
             | 
            
                +0.30 / +4.29%
             |             
            
                7.10
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.88
             |                                 
            
                1,068,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2014
             | 
            
                -0.10 / -1.41%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.76
             |                                 
            
                229,990
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.80
             |                                 
            
                434,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2014
             | 
            
                -0.10 / -1.39%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.80
             |                                 
            
                415,060
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2014
             | 
            
                -0.10 / -1.37%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.84
             |                                 
            
                433,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.88
             |                                 
            
                327,860
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.88
             |                                 
            
                326,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2014
             | 
            
                +0.10 / +1.39%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.88
             |                                 
            
                197,610
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2014
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.84
             |                                 
            
                304,680
             |  
            
                 
             |                                                              
             
    
         
    
    
 |