| 
                 
                    Closing price on 9/18/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    62.40 | 
                 
                
                    | High | 
                    62.40 | 
                 
                
                    | Low | 
                    61.20 | 
                     
                
                    | Volume | 
                    405,970 | 
                                 
                
                    | Split-adjusted Price | 
                    49.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PLX Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/18/2019
             | 
            
                -1.20 / -1.92%
             |             
            
                62.40
             |           
            
                62.40
             |               
            
                61.20
             |                           
            
                61.30
             | 
            
                61.60
             |                     
            
                49.09
             |                                 
            
                405,970
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2019
             | 
            
                -0.10 / -0.16%
             |             
            
                62.70
             |           
            
                62.80
             |               
            
                62.00
             |                           
            
                62.50
             | 
            
                62.47
             |                     
            
                50.05
             |                                 
            
                143,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2019
             | 
            
                +0.80 / +1.29%
             |             
            
                63.00
             |           
            
                63.20
             |               
            
                62.30
             |                           
            
                62.60
             | 
            
                62.72
             |                     
            
                50.13
             |                                 
            
                485,880
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2019
             | 
            
                +0.30 / +0.49%
             |             
            
                61.00
             |           
            
                62.30
             |               
            
                61.00
             |                           
            
                61.80
             | 
            
                61.73
             |                     
            
                49.49
             |                                 
            
                183,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                61.90
             |           
            
                62.00
             |               
            
                61.30
             |                           
            
                61.50
             | 
            
                61.60
             |                     
            
                49.25
             |                                 
            
                124,610
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2019
             | 
            
                -0.50 / -0.81%
             |             
            
                62.10
             |           
            
                62.30
             |               
            
                60.90
             |                           
            
                61.50
             | 
            
                61.33
             |                     
            
                49.25
             |                                 
            
                151,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2019
             | 
            
                +0.10 / +0.16%
             |             
            
                61.90
             |           
            
                62.90
             |               
            
                61.90
             |                           
            
                62.00
             | 
            
                62.22
             |                     
            
                49.65
             |                                 
            
                662,930
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2019
             | 
            
                +1.30 / +2.15%
             |             
            
                60.60
             |           
            
                62.10
             |               
            
                60.50
             |                           
            
                61.90
             | 
            
                61.59
             |                     
            
                49.57
             |                                 
            
                384,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2019
             | 
            
                -0.40 / -0.66%
             |             
            
                61.20
             |           
            
                61.20
             |               
            
                60.60
             |                           
            
                60.60
             | 
            
                60.79
             |                     
            
                48.53
             |                                 
            
                121,490
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2019
             | 
            
                +0.30 / +0.49%
             |             
            
                60.80
             |           
            
                61.20
             |               
            
                60.70
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                48.85
             |                                 
            
                203,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2019
             | 
            
                0.00 / 0.00%
             |             
            
                60.50
             |           
            
                60.80
             |               
            
                59.90
             |                           
            
                60.70
             | 
            
                60.22
             |                     
            
                48.61
             |                                 
            
                460,210
             |            
            
                 
             |                                       
         
    
        
            | 
                9/3/2019
             | 
            
                -0.80 / -1.30%
             |             
            
                61.40
             |           
            
                61.60
             |               
            
                60.70
             |                           
            
                60.70
             | 
            
                61.18
             |                     
            
                48.61
             |                                 
            
                191,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2019
             | 
            
                +0.50 / +0.82%
             |             
            
                61.20
             |           
            
                61.80
             |               
            
                61.10
             |                           
            
                61.50
             | 
            
                61.47
             |                     
            
                49.25
             |                                 
            
                266,590
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2019
             | 
            
                0.00 / 0.00%
             |             
            
                61.20
             |           
            
                61.20
             |               
            
                60.70
             |                           
            
                61.00
             | 
            
                60.93
             |                     
            
                48.85
             |                                 
            
                401,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2019
             | 
            
                -0.20 / -0.33%
             |             
            
                61.60
             |           
            
                61.60
             |               
            
                60.80
             |                           
            
                61.00
             | 
            
                60.99
             |                     
            
                48.85
             |                                 
            
                279,140
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2019
             | 
            
                +0.40 / +0.66%
             |             
            
                61.00
             |           
            
                61.30
             |               
            
                60.50
             |                           
            
                61.20
             | 
            
                60.98
             |                     
            
                49.01
             |                                 
            
                569,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2019
             | 
            
                -1.20 / -1.94%
             |             
            
                61.40
             |           
            
                61.50
             |               
            
                60.50
             |                           
            
                60.80
             | 
            
                60.99
             |                     
            
                48.69
             |                                 
            
                594,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2019
             | 
            
                -0.60 / -0.96%
             |             
            
                62.90
             |           
            
                62.90
             |               
            
                61.80
             |                           
            
                62.00
             | 
            
                62.31
             |                     
            
                49.65
             |                                 
            
                192,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                62.80
             |           
            
                62.80
             |               
            
                62.50
             |                           
            
                62.60
             | 
            
                62.59
             |                     
            
                50.13
             |                                 
            
                125,060
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2019
             | 
            
                +0.10 / +0.16%
             |             
            
                62.50
             |           
            
                63.20
             |               
            
                62.40
             |                           
            
                62.60
             | 
            
                62.70
             |                     
            
                50.13
             |                                 
            
                562,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2019
             | 
            
                -0.10 / -0.16%
             |             
            
                62.60
             |           
            
                62.70
             |               
            
                62.30
             |                           
            
                62.50
             | 
            
                62.47
             |                     
            
                50.05
             |                                 
            
                689,610
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2019
             | 
            
                +0.20 / +0.32%
             |             
            
                62.40
             |           
            
                63.00
             |               
            
                62.40
             |                           
            
                62.60
             | 
            
                62.59
             |                     
            
                50.13
             |                                 
            
                150,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2019
             | 
            
                +0.90 / +1.46%
             |             
            
                61.50
             |           
            
                62.40
             |               
            
                61.50
             |                           
            
                62.40
             | 
            
                62.16
             |                     
            
                49.97
             |                                 
            
                399,760
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2019
             | 
            
                -0.90 / -1.44%
             |             
            
                61.10
             |           
            
                61.90
             |               
            
                61.00
             |                           
            
                61.50
             | 
            
                61.33
             |                     
            
                49.25
             |                                 
            
                462,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2019
             | 
            
                -0.80 / -1.27%
             |             
            
                63.30
             |           
            
                63.60
             |               
            
                62.40
             |                           
            
                62.40
             | 
            
                62.96
             |                     
            
                49.97
             |                                 
            
                267,530
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2019
             | 
            
                +0.80 / +1.28%
             |             
            
                62.40
             |           
            
                63.50
             |               
            
                62.00
             |                           
            
                63.20
             | 
            
                62.64
             |                     
            
                50.61
             |                                 
            
                691,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2019
             | 
            
                +0.20 / +0.32%
             |             
            
                62.20
             |           
            
                62.50
             |               
            
                61.80
             |                           
            
                62.40
             | 
            
                62.18
             |                     
            
                49.97
             |                                 
            
                383,980
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                62.20
             |           
            
                62.50
             |               
            
                62.00
             |                           
            
                62.20
             | 
            
                62.31
             |                     
            
                49.81
             |                                 
            
                347,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2019
             | 
            
                +0.20 / +0.32%
             |             
            
                61.50
             |           
            
                62.60
             |               
            
                61.40
             |                           
            
                62.20
             | 
            
                62.02
             |                     
            
                49.81
             |                                 
            
                457,730
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2019
             | 
            
                +0.70 / +1.14%
             |             
            
                61.30
             |           
            
                62.40
             |               
            
                61.20
             |                           
            
                62.00
             | 
            
                61.58
             |                     
            
                49.65
             |                                 
            
                797,090
             |  
            
                 
             |                                                              
             
    
         
    
    
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