| 
                 
                    Closing price on 10/27/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    46.60 | 
                 
                
                    | High | 
                    46.70 | 
                 
                
                    | Low | 
                    46.20 | 
                     
                
                    | Volume | 
                    32,450 | 
                                 
                
                    | Split-adjusted Price | 
                    18.68 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IMP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/27/2020
             | 
            
                0.00 / 0.00%
             |             
            
                46.60
             |           
            
                46.70
             |               
            
                46.20
             |                           
            
                46.65
             | 
            
                46.47
             |                     
            
                18.68
             |                                 
            
                32,450
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2020
             | 
            
                +0.05 / +0.11%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                46.20
             |                           
            
                46.65
             | 
            
                46.43
             |                     
            
                18.68
             |                                 
            
                34,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2020
             | 
            
                +0.20 / +0.43%
             |             
            
                46.60
             |           
            
                46.70
             |               
            
                46.10
             |                           
            
                46.60
             | 
            
                46.33
             |                     
            
                18.66
             |                                 
            
                48,410
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2020
             | 
            
                -0.35 / -0.75%
             |             
            
                46.75
             |           
            
                46.75
             |               
            
                46.30
             |                           
            
                46.40
             | 
            
                46.40
             |                     
            
                18.58
             |                                 
            
                21,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2020
             | 
            
                +0.05 / +0.11%
             |             
            
                46.75
             |           
            
                47.25
             |               
            
                46.50
             |                           
            
                46.75
             | 
            
                46.88
             |                     
            
                18.72
             |                                 
            
                41,250
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2020
             | 
            
                -0.40 / -0.85%
             |             
            
                47.10
             |           
            
                47.20
             |               
            
                46.40
             |                           
            
                46.70
             | 
            
                46.82
             |                     
            
                18.70
             |                                 
            
                74,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                47.00
             |           
            
                47.50
             |               
            
                47.00
             |                           
            
                47.10
             | 
            
                47.23
             |                     
            
                18.86
             |                                 
            
                49,190
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                47.70
             |           
            
                47.70
             |               
            
                46.70
             |                           
            
                47.30
             | 
            
                47.03
             |                     
            
                18.94
             |                                 
            
                101,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2020
             | 
            
                -0.10 / -0.21%
             |             
            
                47.90
             |           
            
                47.90
             |               
            
                47.20
             |                           
            
                47.50
             | 
            
                47.36
             |                     
            
                19.02
             |                                 
            
                51,270
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                47.90
             |           
            
                48.00
             |               
            
                47.45
             |                           
            
                47.60
             | 
            
                47.63
             |                     
            
                19.06
             |                                 
            
                53,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2020
             | 
            
                +0.50 / +1.06%
             |             
            
                47.20
             |           
            
                48.30
             |               
            
                47.20
             |                           
            
                47.80
             | 
            
                47.62
             |                     
            
                19.14
             |                                 
            
                102,620
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                47.50
             |           
            
                47.70
             |               
            
                47.30
             |                           
            
                47.30
             | 
            
                47.37
             |                     
            
                18.94
             |                                 
            
                40,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                47.90
             |           
            
                47.90
             |               
            
                47.50
             |                           
            
                47.50
             | 
            
                47.64
             |                     
            
                19.02
             |                                 
            
                37,910
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2020
             | 
            
                0.00 / 0.00%
             |             
            
                47.70
             |           
            
                47.95
             |               
            
                47.60
             |                           
            
                47.70
             | 
            
                47.72
             |                     
            
                19.10
             |                                 
            
                60,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2020
             | 
            
                -0.30 / -0.63%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.60
             |                           
            
                47.70
             | 
            
                47.74
             |                     
            
                19.10
             |                                 
            
                58,530
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2020
             | 
            
                +0.15 / +0.31%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                47.70
             |                           
            
                48.00
             | 
            
                47.90
             |                     
            
                19.22
             |                                 
            
                52,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2020
             | 
            
                0.00 / 0.00%
             |             
            
                48.30
             |           
            
                48.30
             |               
            
                47.70
             |                           
            
                47.85
             | 
            
                47.79
             |                     
            
                19.16
             |                                 
            
                40,910
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                48.05
             |           
            
                48.05
             |               
            
                47.40
             |                           
            
                47.85
             | 
            
                47.71
             |                     
            
                19.16
             |                                 
            
                93,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2020
             | 
            
                +0.05 / +0.10%
             |             
            
                48.25
             |           
            
                48.40
             |               
            
                47.80
             |                           
            
                48.05
             | 
            
                48.05
             |                     
            
                19.24
             |                                 
            
                74,270
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2020
             | 
            
                +0.20 / +0.42%
             |             
            
                47.80
             |           
            
                48.00
             |               
            
                47.50
             |                           
            
                48.00
             | 
            
                47.82
             |                     
            
                19.22
             |                                 
            
                52,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2020
             | 
            
                -0.40 / -0.83%
             |             
            
                48.35
             |           
            
                48.35
             |               
            
                47.80
             |                           
            
                47.80
             | 
            
                48.10
             |                     
            
                19.14
             |                                 
            
                71,530
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2020
             | 
            
                +0.20 / +0.42%
             |             
            
                48.00
             |           
            
                48.50
             |               
            
                47.90
             |                           
            
                48.20
             | 
            
                48.06
             |                     
            
                19.30
             |                                 
            
                75,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2020
             | 
            
                -0.15 / -0.31%
             |             
            
                48.15
             |           
            
                48.20
             |               
            
                47.60
             |                           
            
                48.00
             | 
            
                47.94
             |                     
            
                19.22
             |                                 
            
                133,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2020
             | 
            
                -0.25 / -0.52%
             |             
            
                48.40
             |           
            
                48.45
             |               
            
                48.15
             |                           
            
                48.15
             | 
            
                48.34
             |                     
            
                19.28
             |                                 
            
                69,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2020
             | 
            
                -0.15 / -0.31%
             |             
            
                48.55
             |           
            
                48.90
             |               
            
                48.15
             |                           
            
                48.40
             | 
            
                48.32
             |                     
            
                19.38
             |                                 
            
                94,880
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2020
             | 
            
                -0.55 / -1.12%
             |             
            
                49.10
             |           
            
                49.20
             |               
            
                48.15
             |                           
            
                48.55
             | 
            
                48.69
             |                     
            
                19.44
             |                                 
            
                162,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2020
             | 
            
                -0.05 / -0.10%
             |             
            
                49.80
             |           
            
                49.80
             |               
            
                49.10
             |                           
            
                49.10
             | 
            
                49.29
             |                     
            
                19.66
             |                                 
            
                121,580
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2020
             | 
            
                -0.25 / -0.51%
             |             
            
                49.90
             |           
            
                49.90
             |               
            
                49.15
             |                           
            
                49.15
             | 
            
                49.31
             |                     
            
                19.68
             |                                 
            
                125,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2020
             | 
            
                0.00 / 0.00%
             |             
            
                49.35
             |           
            
                50.50
             |               
            
                49.00
             |                           
            
                49.40
             | 
            
                49.70
             |                     
            
                19.78
             |                                 
            
                148,280
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2020
             | 
            
                -0.10 / -0.20%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                49.00
             |                           
            
                49.40
             | 
            
                49.33
             |                     
            
                19.78
             |                                 
            
                71,240
             |  
            
                 
             |                                                              
             
    
         
    
    
 |