| 
                 
                    Closing price on 1/15/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    58.70 | 
                 
                
                    | High | 
                    59.00 | 
                 
                
                    | Low | 
                    58.10 | 
                     
                
                    | Volume | 
                    19,700 | 
                                 
                
                    | Split-adjusted Price | 
                    23.31 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IMP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2021
             | 
            
                +0.10 / +0.17%
             |             
            
                57.90
             |           
            
                58.40
             |               
            
                57.50
             |                           
            
                58.00
             | 
            
                57.90
             |                     
            
                23.23
             |                                 
            
                42,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                57.90
             |           
            
                58.30
             |               
            
                57.90
             |                           
            
                57.90
             | 
            
                58.06
             |                     
            
                23.18
             |                                 
            
                45,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2021
             | 
            
                -0.10 / -0.17%
             |             
            
                58.30
             |           
            
                58.30
             |               
            
                57.50
             |                           
            
                57.90
             | 
            
                57.91
             |                     
            
                23.18
             |                                 
            
                42,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2021
             | 
            
                +0.20 / +0.35%
             |             
            
                58.40
             |           
            
                58.40
             |               
            
                57.80
             |                           
            
                58.00
             | 
            
                58.07
             |                     
            
                23.23
             |                                 
            
                132,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2021
             | 
            
                -0.20 / -0.34%
             |             
            
                58.30
             |           
            
                58.30
             |               
            
                57.80
             |                           
            
                57.80
             | 
            
                58.00
             |                     
            
                23.14
             |                                 
            
                51,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2021
             | 
            
                +1.70 / +3.02%
             |             
            
                56.50
             |           
            
                59.00
             |               
            
                56.50
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                23.23
             |                                 
            
                149,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/31/2020
             | 
            
                +0.50 / +0.90%
             |             
            
                56.00
             |           
            
                56.50
             |               
            
                55.80
             |                           
            
                56.30
             | 
            
                56.12
             |                     
            
                22.54
             |                                 
            
                108,140
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2020
             | 
            
                +0.10 / +0.18%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.50
             |                           
            
                55.80
             | 
            
                55.75
             |                     
            
                22.34
             |                                 
            
                48,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2020
             | 
            
                +0.20 / +0.36%
             |             
            
                56.10
             |           
            
                56.10
             |               
            
                55.40
             |                           
            
                55.70
             | 
            
                55.71
             |                     
            
                22.30
             |                                 
            
                62,860
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2020
             | 
            
                -0.70 / -1.25%
             |             
            
                55.60
             |           
            
                56.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.67
             |                     
            
                22.22
             |                                 
            
                97,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/25/2020
             | 
            
                +0.80 / +1.44%
             |             
            
                55.40
             |           
            
                56.40
             |               
            
                55.20
             |                           
            
                56.20
             | 
            
                55.80
             |                     
            
                22.50
             |                                 
            
                37,680
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2020
             | 
            
                -0.60 / -1.07%
             |             
            
                56.80
             |           
            
                56.80
             |               
            
                54.60
             |                           
            
                55.40
             | 
            
                55.60
             |                     
            
                22.18
             |                                 
            
                34,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2020
             | 
            
                +0.40 / +0.72%
             |             
            
                55.90
             |           
            
                56.90
             |               
            
                55.30
             |                           
            
                56.00
             | 
            
                56.15
             |                     
            
                22.42
             |                                 
            
                81,010
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2020
             | 
            
                0.00 / 0.00%
             |             
            
                55.90
             |           
            
                55.90
             |               
            
                55.20
             |                           
            
                55.60
             | 
            
                55.49
             |                     
            
                22.26
             |                                 
            
                96,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2020
             | 
            
                -0.20 / -0.36%
             |             
            
                55.80
             |           
            
                56.30
             |               
            
                55.50
             |                           
            
                55.60
             | 
            
                55.69
             |                     
            
                22.26
             |                                 
            
                77,590
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2020
             | 
            
                -0.10 / -0.18%
             |             
            
                55.60
             |           
            
                56.00
             |               
            
                55.60
             |                           
            
                55.80
             | 
            
                55.78
             |                     
            
                22.34
             |                                 
            
                53,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2020
             | 
            
                -0.50 / -0.89%
             |             
            
                56.40
             |           
            
                56.90
             |               
            
                55.40
             |                           
            
                55.90
             | 
            
                55.93
             |                     
            
                22.38
             |                                 
            
                60,580
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2020
             | 
            
                +0.20 / +0.36%
             |             
            
                56.20
             |           
            
                57.00
             |               
            
                56.20
             |                           
            
                56.40
             | 
            
                56.45
             |                     
            
                22.58
             |                                 
            
                61,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2020
             | 
            
                -0.60 / -1.06%
             |             
            
                56.90
             |           
            
                57.10
             |               
            
                56.20
             |                           
            
                56.20
             | 
            
                56.64
             |                     
            
                22.50
             |                                 
            
                60,810
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2020
             | 
            
                +0.90 / +1.61%
             |             
            
                56.50
             |           
            
                57.20
             |               
            
                55.60
             |                           
            
                56.80
             | 
            
                56.65
             |                     
            
                22.74
             |                                 
            
                163,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2020
             | 
            
                +1.10 / +2.01%
             |             
            
                54.80
             |           
            
                55.90
             |               
            
                54.30
             |                           
            
                55.90
             | 
            
                55.09
             |                     
            
                22.38
             |                                 
            
                121,050
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2020
             | 
            
                -0.20 / -0.36%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                54.20
             |                           
            
                54.80
             | 
            
                54.56
             |                     
            
                21.94
             |                                 
            
                77,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2020
             | 
            
                0.00 / 0.00%
             |             
            
                55.00
             |           
            
                55.40
             |               
            
                54.60
             |                           
            
                55.00
             | 
            
                54.97
             |                     
            
                22.02
             |                                 
            
                87,110
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2020
             | 
            
                -0.50 / -0.90%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                54.50
             |                           
            
                55.00
             | 
            
                55.03
             |                     
            
                22.02
             |                                 
            
                65,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2020
             | 
            
                +0.10 / +0.18%
             |             
            
                55.20
             |           
            
                55.80
             |               
            
                55.20
             |                           
            
                55.50
             | 
            
                55.54
             |                     
            
                22.22
             |                                 
            
                50,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2020
             | 
            
                -0.10 / -0.18%
             |             
            
                55.50
             |           
            
                55.90
             |               
            
                55.00
             |                           
            
                55.40
             | 
            
                55.28
             |                     
            
                22.18
             |                                 
            
                63,650
             |  
            
                 
             |                                                              
             
    
         
    
    
 |