| 
                 
                    Closing price on 12/31/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.20 | 
                 
                
                    | High | 
                    29.20 | 
                 
                
                    | Low | 
                    28.40 | 
                     
                
                    | Volume | 
                    487,600 | 
                                 
                
                    | Split-adjusted Price | 
                    24.22 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PLC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/31/2020
             | 
            
                -0.20 / -0.68%
             |             
            
                29.20
             |           
            
                29.20
             |               
            
                28.40
             |                           
            
                29.00
             | 
            
                28.75
             |                     
            
                24.22
             |                                 
            
                487,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2020
             | 
            
                -0.60 / -2.01%
             |             
            
                29.80
             |           
            
                29.80
             |               
            
                28.90
             |                           
            
                29.20
             | 
            
                29.21
             |                     
            
                24.39
             |                                 
            
                340,013
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2020
             | 
            
                +1.20 / +4.20%
             |             
            
                28.60
             |           
            
                31.00
             |               
            
                28.60
             |                           
            
                29.80
             | 
            
                29.95
             |                     
            
                24.89
             |                                 
            
                815,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2020
             | 
            
                +2.60 / +10.00%
             |             
            
                26.00
             |           
            
                28.60
             |               
            
                26.00
             |                           
            
                28.60
             | 
            
                27.99
             |                     
            
                23.89
             |                                 
            
                2,223,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/25/2020
             | 
            
                +0.20 / +0.78%
             |             
            
                25.80
             |           
            
                26.30
             |               
            
                25.40
             |                           
            
                26.00
             | 
            
                25.97
             |                     
            
                21.72
             |                                 
            
                371,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2020
             | 
            
                -0.10 / -0.39%
             |             
            
                25.90
             |           
            
                26.20
             |               
            
                25.20
             |                           
            
                25.80
             | 
            
                25.55
             |                     
            
                21.55
             |                                 
            
                460,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2020
             | 
            
                -0.50 / -1.89%
             |             
            
                26.40
             |           
            
                26.80
             |               
            
                25.70
             |                           
            
                25.90
             | 
            
                26.15
             |                     
            
                21.63
             |                                 
            
                398,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2020
             | 
            
                +0.90 / +3.53%
             |             
            
                25.00
             |           
            
                26.80
             |               
            
                25.00
             |                           
            
                26.40
             | 
            
                26.39
             |                     
            
                22.05
             |                                 
            
                1,101,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2020
             | 
            
                0.00 / 0.00%
             |             
            
                25.30
             |           
            
                25.50
             |               
            
                25.00
             |                           
            
                25.50
             | 
            
                25.30
             |                     
            
                21.30
             |                                 
            
                538,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2020
             | 
            
                +0.20 / +0.79%
             |             
            
                25.30
             |           
            
                25.60
             |               
            
                25.00
             |                           
            
                25.50
             | 
            
                25.28
             |                     
            
                21.30
             |                                 
            
                326,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2020
             | 
            
                -0.70 / -2.69%
             |             
            
                26.30
             |           
            
                26.40
             |               
            
                25.00
             |                           
            
                25.30
             | 
            
                25.54
             |                     
            
                21.13
             |                                 
            
                489,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2020
             | 
            
                +0.30 / +1.17%
             |             
            
                26.50
             |           
            
                26.50
             |               
            
                25.80
             |                           
            
                26.00
             | 
            
                26.01
             |                     
            
                21.72
             |                                 
            
                379,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2020
             | 
            
                +0.20 / +0.75%
             |             
            
                26.60
             |           
            
                27.30
             |               
            
                26.60
             |                           
            
                26.70
             | 
            
                26.91
             |                     
            
                21.47
             |                                 
            
                522,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2020
             | 
            
                +0.10 / +0.38%
             |             
            
                26.50
             |           
            
                26.80
             |               
            
                26.20
             |                           
            
                26.50
             | 
            
                26.50
             |                     
            
                21.30
             |                                 
            
                552,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2020
             | 
            
                +0.20 / +0.76%
             |             
            
                26.20
             |           
            
                26.40
             |               
            
                25.80
             |                           
            
                26.40
             | 
            
                26.14
             |                     
            
                21.22
             |                                 
            
                369,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2020
             | 
            
                -0.60 / -2.24%
             |             
            
                26.90
             |           
            
                27.10
             |               
            
                26.10
             |                           
            
                26.20
             | 
            
                26.58
             |                     
            
                21.06
             |                                 
            
                866,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2020
             | 
            
                -0.10 / -0.37%
             |             
            
                26.70
             |           
            
                26.90
             |               
            
                26.60
             |                           
            
                26.80
             | 
            
                26.77
             |                     
            
                21.55
             |                                 
            
                342,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2020
             | 
            
                -0.20 / -0.74%
             |             
            
                27.00
             |           
            
                27.30
             |               
            
                26.60
             |                           
            
                26.90
             | 
            
                26.83
             |                     
            
                21.63
             |                                 
            
                383,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2020
             | 
            
                +1.30 / +5.04%
             |             
            
                26.00
             |           
            
                27.30
             |               
            
                25.80
             |                           
            
                27.10
             | 
            
                26.69
             |                     
            
                21.79
             |                                 
            
                1,072,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2020
             | 
            
                -0.40 / -1.53%
             |             
            
                26.50
             |           
            
                26.50
             |               
            
                25.70
             |                           
            
                25.80
             | 
            
                25.96
             |                     
            
                20.74
             |                                 
            
                568,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2020
             | 
            
                +0.10 / +0.38%
             |             
            
                26.10
             |           
            
                26.60
             |               
            
                25.60
             |                           
            
                26.20
             | 
            
                26.33
             |                     
            
                21.06
             |                                 
            
                790,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2020
             | 
            
                +0.50 / +1.95%
             |             
            
                25.60
             |           
            
                26.40
             |               
            
                25.50
             |                           
            
                26.10
             | 
            
                26.04
             |                     
            
                20.98
             |                                 
            
                517,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2020
             | 
            
                +0.90 / +3.64%
             |             
            
                24.10
             |           
            
                25.80
             |               
            
                24.00
             |                           
            
                25.60
             | 
            
                25.26
             |                     
            
                20.58
             |                                 
            
                558,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2020
             | 
            
                -0.60 / -2.37%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                24.60
             |                           
            
                24.70
             | 
            
                24.97
             |                     
            
                19.86
             |                                 
            
                655,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2020
             | 
            
                -0.20 / -0.78%
             |             
            
                25.20
             |           
            
                25.70
             |               
            
                25.00
             |                           
            
                25.30
             | 
            
                25.22
             |                     
            
                20.34
             |                                 
            
                567,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2020
             | 
            
                -0.40 / -1.54%
             |             
            
                25.90
             |           
            
                26.10
             |               
            
                25.40
             |                           
            
                25.50
             | 
            
                25.73
             |                     
            
                20.50
             |                                 
            
                430,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2020
             | 
            
                -0.20 / -0.77%
             |             
            
                26.10
             |           
            
                26.50
             |               
            
                25.80
             |                           
            
                25.90
             | 
            
                26.04
             |                     
            
                20.82
             |                                 
            
                353,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2020
             | 
            
                +0.30 / +1.16%
             |             
            
                25.90
             |           
            
                26.60
             |               
            
                25.60
             |                           
            
                26.10
             | 
            
                26.00
             |                     
            
                20.98
             |                                 
            
                704,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2020
             | 
            
                -0.30 / -1.15%
             |             
            
                26.10
             |           
            
                26.10
             |               
            
                25.60
             |                           
            
                25.80
             | 
            
                25.84
             |                     
            
                20.74
             |                                 
            
                337,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2020
             | 
            
                +0.10 / +0.38%
             |             
            
                26.00
             |           
            
                26.30
             |               
            
                25.80
             |                           
            
                26.10
             | 
            
                26.01
             |                     
            
                20.98
             |                                 
            
                454,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |