| 
                 
                    Closing price on 3/1/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    64.00 | 
                 
                
                    | High | 
                    64.00 | 
                 
                
                    | Low | 
                    63.30 | 
                     
                
                    | Volume | 
                    68,900 | 
                                 
                
                    | Split-adjusted Price | 
                    25.55 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IMP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/1/2021
             | 
            
                +0.20 / +0.31%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                63.30
             |                           
            
                63.80
             | 
            
                63.60
             |                     
            
                25.55
             |                                 
            
                68,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                +0.60 / +0.95%
             |             
            
                62.80
             |           
            
                65.00
             |               
            
                61.30
             |                           
            
                63.60
             | 
            
                63.82
             |                     
            
                25.47
             |                                 
            
                64,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                +1.60 / +2.61%
             |             
            
                61.40
             |           
            
                63.30
             |               
            
                61.40
             |                           
            
                63.00
             | 
            
                61.40
             |                     
            
                25.23
             |                                 
            
                96,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                -0.30 / -0.49%
             |             
            
                61.70
             |           
            
                62.50
             |               
            
                61.10
             |                           
            
                61.40
             | 
            
                61.53
             |                     
            
                24.59
             |                                 
            
                87,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                -1.30 / -2.06%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                61.00
             |                           
            
                61.70
             | 
            
                61.79
             |                     
            
                24.71
             |                                 
            
                94,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                -0.90 / -1.41%
             |             
            
                63.90
             |           
            
                63.90
             |               
            
                62.80
             |                           
            
                63.00
             | 
            
                63.33
             |                     
            
                25.23
             |                                 
            
                97,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2021
             | 
            
                +3.30 / +5.45%
             |             
            
                64.50
             |           
            
                64.80
             |               
            
                63.00
             |                           
            
                63.90
             | 
            
                64.24
             |                     
            
                25.59
             |                                 
            
                140,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2021
             | 
            
                +3.90 / +6.88%
             |             
            
                58.60
             |           
            
                60.60
             |               
            
                57.50
             |                           
            
                60.60
             | 
            
                60.60
             |                     
            
                24.27
             |                                 
            
                318,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2021
             | 
            
                +0.70 / +1.25%
             |             
            
                56.90
             |           
            
                57.00
             |               
            
                55.50
             |                           
            
                56.70
             | 
            
                56.24
             |                     
            
                22.70
             |                                 
            
                61,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2021
             | 
            
                +0.70 / +1.27%
             |             
            
                55.40
             |           
            
                56.00
             |               
            
                53.50
             |                           
            
                56.00
             | 
            
                54.53
             |                     
            
                22.42
             |                                 
            
                32,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2021
             | 
            
                -0.70 / -1.25%
             |             
            
                56.90
             |           
            
                56.90
             |               
            
                55.30
             |                           
            
                55.30
             | 
            
                55.67
             |                     
            
                22.14
             |                                 
            
                12,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2021
             | 
            
                +0.30 / +0.54%
             |             
            
                56.60
             |           
            
                56.60
             |               
            
                55.40
             |                           
            
                56.00
             | 
            
                56.11
             |                     
            
                22.42
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2021
             | 
            
                +0.90 / +1.64%
             |             
            
                56.70
             |           
            
                56.70
             |               
            
                54.00
             |                           
            
                55.70
             | 
            
                55.42
             |                     
            
                22.30
             |                                 
            
                20,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2021
             | 
            
                +0.50 / +0.92%
             |             
            
                54.40
             |           
            
                55.50
             |               
            
                54.30
             |                           
            
                54.80
             | 
            
                54.89
             |                     
            
                21.94
             |                                 
            
                28,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2021
             | 
            
                +0.10 / +0.18%
             |             
            
                54.80
             |           
            
                54.90
             |               
            
                53.60
             |                           
            
                54.30
             | 
            
                54.53
             |                     
            
                21.74
             |                                 
            
                152,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2021
             | 
            
                -2.10 / -3.73%
             |             
            
                55.00
             |           
            
                56.40
             |               
            
                54.20
             |                           
            
                54.20
             | 
            
                54.78
             |                     
            
                21.70
             |                                 
            
                28,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2021
             | 
            
                +3.50 / +6.63%
             |             
            
                51.20
             |           
            
                56.40
             |               
            
                51.20
             |                           
            
                56.30
             | 
            
                53.96
             |                     
            
                22.54
             |                                 
            
                37,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2021
             | 
            
                -3.90 / -6.88%
             |             
            
                56.30
             |           
            
                56.30
             |               
            
                52.80
             |                           
            
                52.80
             | 
            
                52.80
             |                     
            
                21.14
             |                                 
            
                128,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2021
             | 
            
                -1.80 / -3.08%
             |             
            
                58.00
             |           
            
                58.70
             |               
            
                56.70
             |                           
            
                56.70
             | 
            
                57.61
             |                     
            
                22.70
             |                                 
            
                27,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2021
             | 
            
                +1.00 / +1.74%
             |             
            
                58.50
             |           
            
                59.50
             |               
            
                56.00
             |                           
            
                58.50
             | 
            
                58.73
             |                     
            
                23.43
             |                                 
            
                119,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2021
             | 
            
                +0.90 / +1.59%
             |             
            
                57.00
             |           
            
                57.60
             |               
            
                55.60
             |                           
            
                57.50
             | 
            
                57.23
             |                     
            
                23.02
             |                                 
            
                38,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2021
             | 
            
                +0.80 / +1.43%
             |             
            
                56.70
             |           
            
                57.00
             |               
            
                55.90
             |                           
            
                56.60
             | 
            
                56.66
             |                     
            
                22.66
             |                                 
            
                41,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2021
             | 
            
                +0.60 / +1.09%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                55.00
             |                           
            
                55.80
             | 
            
                55.63
             |                     
            
                22.34
             |                                 
            
                44,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2021
             | 
            
                +0.20 / +0.36%
             |             
            
                55.00
             |           
            
                55.90
             |               
            
                54.50
             |                           
            
                55.20
             | 
            
                54.86
             |                     
            
                22.10
             |                                 
            
                53,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2021
             | 
            
                -2.50 / -4.35%
             |             
            
                57.50
             |           
            
                57.60
             |               
            
                54.10
             |                           
            
                55.00
             | 
            
                55.97
             |                     
            
                22.02
             |                                 
            
                63,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2021
             | 
            
                -0.70 / -1.20%
             |             
            
                58.80
             |           
            
                58.80
             |               
            
                57.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                23.02
             |                                 
            
                59,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2021
             | 
            
                -0.50 / -0.85%
             |             
            
                58.70
             |           
            
                59.00
             |               
            
                58.10
             |                           
            
                58.20
             | 
            
                58.57
             |                     
            
                23.31
             |                                 
            
                19,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2021
             | 
            
                +0.10 / +0.17%
             |             
            
                58.60
             |           
            
                58.70
             |               
            
                56.20
             |                           
            
                58.70
             | 
            
                58.21
             |                     
            
                23.51
             |                                 
            
                98,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2021
             | 
            
                -0.90 / -1.51%
             |             
            
                59.80
             |           
            
                59.80
             |               
            
                58.50
             |                           
            
                58.60
             | 
            
                58.82
             |                     
            
                23.47
             |                                 
            
                35,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2021
             | 
            
                +1.50 / +2.59%
             |             
            
                58.50
             |           
            
                60.00
             |               
            
                58.30
             |                           
            
                59.50
             | 
            
                58.90
             |                     
            
                23.83
             |                                 
            
                139,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |