| 
                 
                    Closing price on 2/15/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.50 | 
                 
                
                    | High | 
                    13.90 | 
                 
                
                    | Low | 
                    13.20 | 
                     
                
                    | Volume | 
                    22,800 | 
                                 
                
                    | Split-adjusted Price | 
                    13.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IVS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/15/2022
             | 
            
                +0.40 / +2.96%
             |             
            
                13.50
             |           
            
                13.90
             |               
            
                13.20
             |                           
            
                13.90
             | 
            
                13.42
             |                     
            
                13.90
             |                                 
            
                22,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2022
             | 
            
                -0.50 / -3.57%
             |             
            
                13.40
             |           
            
                13.70
             |               
            
                13.40
             |                           
            
                13.50
             | 
            
                13.57
             |                     
            
                13.50
             |                                 
            
                68,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2022
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.20
             |               
            
                13.90
             |                           
            
                14.00
             | 
            
                14.04
             |                     
            
                14.00
             |                                 
            
                55,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2022
             | 
            
                -0.30 / -2.10%
             |             
            
                14.10
             |           
            
                14.20
             |               
            
                13.50
             |                           
            
                14.00
             | 
            
                13.91
             |                     
            
                14.00
             |                                 
            
                33,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2022
             | 
            
                +0.10 / +0.70%
             |             
            
                14.10
             |           
            
                14.40
             |               
            
                14.10
             |                           
            
                14.30
             | 
            
                14.26
             |                     
            
                14.30
             |                                 
            
                45,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2022
             | 
            
                0.00 / 0.00%
             |             
            
                14.30
             |           
            
                14.60
             |               
            
                14.00
             |                           
            
                14.20
             | 
            
                14.31
             |                     
            
                14.20
             |                                 
            
                71,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2022
             | 
            
                +1.20 / +9.23%
             |             
            
                13.50
             |           
            
                14.30
             |               
            
                13.10
             |                           
            
                14.20
             | 
            
                13.66
             |                     
            
                14.20
             |                                 
            
                41,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2022
             | 
            
                -0.40 / -2.99%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.22
             |                     
            
                13.00
             |                                 
            
                34,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2022
             | 
            
                +0.30 / +2.29%
             |             
            
                13.10
             |           
            
                13.40
             |               
            
                13.10
             |                           
            
                13.40
             | 
            
                13.20
             |                     
            
                13.40
             |                                 
            
                24,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2022
             | 
            
                -0.40 / -2.96%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                13.10
             |                           
            
                13.10
             | 
            
                13.35
             |                     
            
                13.10
             |                                 
            
                83,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2022
             | 
            
                +0.90 / +7.14%
             |             
            
                12.60
             |           
            
                13.80
             |               
            
                12.50
             |                           
            
                13.50
             | 
            
                13.05
             |                     
            
                13.50
             |                                 
            
                163,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2022
             | 
            
                -1.20 / -8.70%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.93
             |                     
            
                12.60
             |                                 
            
                146,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2022
             | 
            
                -0.60 / -4.17%
             |             
            
                14.50
             |           
            
                14.90
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                14.07
             |                     
            
                13.80
             |                                 
            
                73,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2022
             | 
            
                +1.20 / +9.09%
             |             
            
                13.20
             |           
            
                14.50
             |               
            
                13.10
             |                           
            
                14.40
             | 
            
                13.64
             |                     
            
                14.40
             |                                 
            
                62,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2022
             | 
            
                +0.50 / +3.94%
             |             
            
                12.00
             |           
            
                13.40
             |               
            
                12.00
             |                           
            
                13.20
             | 
            
                13.03
             |                     
            
                13.20
             |                                 
            
                119,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2022
             | 
            
                -1.00 / -7.30%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.93
             |                     
            
                12.70
             |                                 
            
                254,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2022
             | 
            
                -1.50 / -9.87%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                13.70
             |                           
            
                13.70
             | 
            
                14.29
             |                     
            
                13.70
             |                                 
            
                345,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2022
             | 
            
                -0.90 / -5.59%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                14.90
             |                           
            
                15.20
             | 
            
                15.16
             |                     
            
                15.20
             |                                 
            
                454,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2022
             | 
            
                -1.20 / -6.94%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                16.10
             |                           
            
                16.10
             | 
            
                16.86
             |                     
            
                16.10
             |                                 
            
                145,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2022
             | 
            
                +0.30 / +1.76%
             |             
            
                17.00
             |           
            
                17.60
             |               
            
                16.60
             |                           
            
                17.30
             | 
            
                17.15
             |                     
            
                17.30
             |                                 
            
                142,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2022
             | 
            
                -0.60 / -3.41%
             |             
            
                17.60
             |           
            
                17.60
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.22
             |                     
            
                17.00
             |                                 
            
                211,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2022
             | 
            
                -0.30 / -1.68%
             |             
            
                17.90
             |           
            
                18.40
             |               
            
                17.20
             |                           
            
                17.60
             | 
            
                17.83
             |                     
            
                17.60
             |                                 
            
                245,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2022
             | 
            
                +0.10 / +0.56%
             |             
            
                17.70
             |           
            
                18.00
             |               
            
                17.60
             |                           
            
                17.90
             | 
            
                17.79
             |                     
            
                17.90
             |                                 
            
                204,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2022
             | 
            
                -0.10 / -0.56%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                17.00
             |                           
            
                17.80
             | 
            
                17.62
             |                     
            
                17.80
             |                                 
            
                253,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2022
             | 
            
                -0.30 / -1.65%
             |             
            
                18.20
             |           
            
                18.40
             |               
            
                17.70
             |                           
            
                17.90
             | 
            
                17.94
             |                     
            
                17.90
             |                                 
            
                264,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2022
             | 
            
                0.00 / 0.00%
             |             
            
                18.20
             |           
            
                18.50
             |               
            
                17.80
             |                           
            
                18.20
             | 
            
                18.17
             |                     
            
                18.20
             |                                 
            
                186,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/31/2021
             | 
            
                -0.70 / -3.70%
             |             
            
                19.50
             |           
            
                20.00
             |               
            
                18.10
             |                           
            
                18.20
             | 
            
                18.69
             |                     
            
                18.20
             |                                 
            
                205,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2021
             | 
            
                +1.50 / +8.62%
             |             
            
                17.40
             |           
            
                18.90
             |               
            
                17.40
             |                           
            
                18.90
             | 
            
                18.28
             |                     
            
                18.90
             |                                 
            
                454,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2021
             | 
            
                +0.20 / +1.16%
             |             
            
                17.00
             |           
            
                17.40
             |               
            
                16.80
             |                           
            
                17.40
             | 
            
                17.02
             |                     
            
                17.40
             |                                 
            
                190,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2021
             | 
            
                -0.40 / -2.27%
             |             
            
                17.60
             |           
            
                17.60
             |               
            
                17.00
             |                           
            
                17.20
             | 
            
                17.24
             |                     
            
                17.20
             |                                 
            
                230,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |