| 
                 
                    Closing price on 5/9/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    28.60 | 
                 
                
                    | High | 
                    31.00 | 
                 
                
                    | Low | 
                    28.60 | 
                     
                
                    | Volume | 
                    2,900 | 
                                 
                
                    | Split-adjusted Price | 
                    20.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VLB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                28.60
             |           
            
                31.00
             |               
            
                28.60
             |                           
            
                31.00
             | 
            
                28.80
             |                     
            
                20.01
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2018
             | 
            
                -1.00 / -3.13%
             |             
            
                30.10
             |           
            
                31.00
             |               
            
                30.10
             |                           
            
                31.00
             | 
            
                30.18
             |                     
            
                20.01
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2018
             | 
            
                +4.10 / +14.70%
             |             
            
                31.90
             |           
            
                32.00
             |               
            
                31.90
             |                           
            
                32.00
             | 
            
                31.97
             |                     
            
                20.66
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                27.90
             |           
            
                27.90
             |               
            
                27.90
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                18.01
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2018
             | 
            
                +4.60 / +19.74%
             |             
            
                27.80
             |           
            
                27.90
             |               
            
                22.10
             |                           
            
                27.90
             | 
            
                24.43
             |                     
            
                18.01
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2018
             | 
            
                -4.00 / -14.65%
             |             
            
                31.30
             |           
            
                31.30
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                24.25
             |                     
            
                15.04
             |                                 
            
                4,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2018
             | 
            
                -3.50 / -11.63%
             |             
            
                29.10
             |           
            
                29.10
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                27.35
             |                     
            
                17.17
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2018
             | 
            
                -4.90 / -14.00%
             |             
            
                31.60
             |           
            
                31.60
             |               
            
                30.10
             |                           
            
                30.10
             | 
            
                30.83
             |                     
            
                19.43
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2018
             | 
            
                +4.50 / +14.75%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                22.59
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                19.69
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2018
             | 
            
                -5.00 / -14.71%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                30.53
             |                     
            
                18.72
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                21.95
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2018
             | 
            
                -5.00 / -12.82%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                21.95
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2018
             | 
            
                +4.90 / +14.37%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                39.00
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                25.18
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2018
             | 
            
                0.00 / 0.00%
             |             
            
                34.10
             |           
            
                34.10
             |               
            
                34.10
             |                           
            
                34.10
             | 
            
                34.10
             |                     
            
                22.01
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2018
             | 
            
                +4.40 / +13.29%
             |             
            
                32.10
             |           
            
                37.50
             |               
            
                32.10
             |                           
            
                37.50
             | 
            
                34.13
             |                     
            
                24.21
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                33.10
             |           
            
                33.10
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                21.37
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2018
             | 
            
                -0.90 / -2.65%
             |             
            
                35.40
             |           
            
                37.00
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                33.49
             |                     
            
                21.37
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2018
             | 
            
                -1.90 / -5.29%
             |             
            
                35.90
             |           
            
                35.90
             |               
            
                31.20
             |                           
            
                34.00
             | 
            
                32.52
             |                     
            
                21.95
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2018
             | 
            
                +4.60 / +14.70%
             |             
            
                35.90
             |           
            
                35.90
             |               
            
                35.90
             |                           
            
                35.90
             | 
            
                35.90
             |                     
            
                23.17
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2018
             | 
            
                -7.10 / -18.49%
             |             
            
                31.30
             |           
            
                31.30
             |               
            
                31.30
             |                           
            
                31.30
             | 
            
                31.30
             |                     
            
                20.21
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2018
             | 
            
                +4.10 / +11.95%
             |             
            
                30.10
             |           
            
                38.40
             |               
            
                30.10
             |                           
            
                38.40
             | 
            
                31.29
             |                     
            
                24.79
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2018
             | 
            
                +0.10 / +0.29%
             |             
            
                39.30
             |           
            
                39.30
             |               
            
                34.30
             |                           
            
                34.30
             | 
            
                34.85
             |                     
            
                22.14
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2018
             | 
            
                +4.40 / +14.77%
             |             
            
                34.20
             |           
            
                34.20
             |               
            
                34.20
             |                           
            
                34.20
             | 
            
                34.20
             |                     
            
                22.08
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2018
             | 
            
                -5.20 / -14.86%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.80
             |                           
            
                29.80
             | 
            
                29.82
             |                     
            
                19.24
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2018
             | 
            
                -4.50 / -11.39%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                22.59
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2018
             | 
            
                +3.00 / +8.22%
             |             
            
                39.50
             |           
            
                39.50
             |               
            
                39.50
             |                           
            
                39.50
             | 
            
                39.50
             |                     
            
                25.50
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                23.56
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                23.56
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                23.56
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |