| 
                 
                    Closing price on 2/8/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.10 | 
                 
                
                    | High | 
                    25.10 | 
                 
                
                    | Low | 
                    25.10 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    16.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VLB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                25.10
             |           
            
                25.10
             |               
            
                25.10
             |                           
            
                25.10
             | 
            
                25.10
             |                     
            
                16.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2018
             | 
            
                -4.40 / -14.92%
             |             
            
                25.10
             |           
            
                25.10
             |               
            
                25.10
             |                           
            
                25.10
             | 
            
                25.10
             |                     
            
                16.20
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2018
             | 
            
                -5.10 / -14.74%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                29.50
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                19.04
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2018
             | 
            
                -3.90 / -10.13%
             |             
            
                34.50
             |           
            
                34.60
             |               
            
                34.50
             |                           
            
                34.60
             | 
            
                34.59
             |                     
            
                22.34
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2018
             | 
            
                -1.80 / -4.47%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                38.50
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                24.85
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2018
             | 
            
                +1.80 / +4.68%
             |             
            
                40.00
             |           
            
                40.30
             |               
            
                40.00
             |                           
            
                40.30
             | 
            
                40.18
             |                     
            
                26.02
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2018
             | 
            
                0.00 / 0.00%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                34.20
             |                           
            
                38.50
             | 
            
                35.14
             |                     
            
                24.85
             |                                 
            
                6,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2018
             | 
            
                +5.00 / +14.93%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                38.50
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                24.85
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2018
             | 
            
                -1.80 / -5.10%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                33.50
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                21.63
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2018
             | 
            
                -5.70 / -13.90%
             |             
            
                35.30
             |           
            
                35.30
             |               
            
                35.30
             |                           
            
                35.30
             | 
            
                35.30
             |                     
            
                22.79
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2018
             | 
            
                +5.30 / +14.85%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                41.00
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                26.47
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2018
             | 
            
                -2.10 / -5.56%
             |             
            
                35.70
             |           
            
                35.70
             |               
            
                35.70
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                23.05
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2018
             | 
            
                +2.70 / +7.69%
             |             
            
                40.30
             |           
            
                40.30
             |               
            
                35.10
             |                           
            
                37.80
             | 
            
                36.80
             |                     
            
                24.40
             |                                 
            
                7,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2018
             | 
            
                -3.90 / -10.00%
             |             
            
                35.10
             |           
            
                35.10
             |               
            
                35.10
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                22.66
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2018
             | 
            
                +2.00 / +5.41%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                39.00
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                25.18
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2018
             | 
            
                +3.90 / +11.78%
             |             
            
                40.90
             |           
            
                40.90
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                38.98
             |                     
            
                23.88
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2018
             | 
            
                -1.00 / -2.93%
             |             
            
                39.00
             |           
            
                39.30
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                35.57
             |                     
            
                21.37
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2018
             | 
            
                -5.90 / -14.75%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                34.10
             |                           
            
                34.10
             | 
            
                34.25
             |                     
            
                22.01
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2018
             | 
            
                +5.00 / +14.29%
             |             
            
                37.00
             |           
            
                40.00
             |               
            
                37.00
             |                           
            
                40.00
             | 
            
                39.79
             |                     
            
                25.82
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2018
             | 
            
                +5.00 / +16.67%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                22.59
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2018
             | 
            
                -3.80 / -11.24%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.00
             |                           
            
                30.00
             | 
            
                29.75
             |                     
            
                19.37
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2018
             | 
            
                -2.20 / -6.11%
             |             
            
                33.80
             |           
            
                33.80
             |               
            
                33.80
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                21.82
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2018
             | 
            
                -1.00 / -2.70%
             |             
            
                33.10
             |           
            
                37.00
             |               
            
                33.10
             |                           
            
                36.00
             | 
            
                33.79
             |                     
            
                23.24
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2018
             | 
            
                +4.50 / +13.85%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                23.88
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2018
             | 
            
                -2.20 / -6.41%
             |             
            
                35.00
             |           
            
                36.00
             |               
            
                32.10
             |                           
            
                32.10
             | 
            
                32.50
             |                     
            
                20.72
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2018
             | 
            
                -0.20 / -0.58%
             |             
            
                34.30
             |           
            
                34.30
             |               
            
                34.30
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                22.14
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2018
             | 
            
                +4.50 / +15.00%
             |             
            
                34.00
             |           
            
                34.50
             |               
            
                34.00
             |                           
            
                34.50
             | 
            
                34.33
             |                     
            
                22.27
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/2/2018
             | 
            
                -5.00 / -14.29%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                19.37
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2017
             | 
            
                +2.50 / +7.69%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                22.59
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2017
             | 
            
                +0.40 / +1.25%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                20.98
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |