| 
                 
                    Closing price on 8/10/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    62.90 | 
                 
                
                    | High | 
                    63.90 | 
                 
                
                    | Low | 
                    62.10 | 
                     
                
                    | Volume | 
                    665,110 | 
                                 
                
                    | Split-adjusted Price | 
                    49.18 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PLX Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/10/2018
             | 
            
                +1.00 / +1.59%
             |             
            
                62.90
             |           
            
                63.90
             |               
            
                62.10
             |                           
            
                63.90
             | 
            
                63.00
             |                     
            
                49.18
             |                                 
            
                665,110
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2018
             | 
            
                -0.10 / -0.16%
             |             
            
                63.90
             |           
            
                64.30
             |               
            
                62.00
             |                           
            
                62.90
             | 
            
                63.08
             |                     
            
                48.41
             |                                 
            
                932,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2018
             | 
            
                +0.40 / +0.64%
             |             
            
                63.20
             |           
            
                63.80
             |               
            
                62.60
             |                           
            
                63.00
             | 
            
                63.19
             |                     
            
                48.49
             |                                 
            
                560,540
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2018
             | 
            
                -1.30 / -2.03%
             |             
            
                63.90
             |           
            
                64.00
             |               
            
                62.40
             |                           
            
                62.60
             | 
            
                63.18
             |                     
            
                48.18
             |                                 
            
                803,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2018
             | 
            
                +1.30 / +2.08%
             |             
            
                62.60
             |           
            
                64.40
             |               
            
                61.80
             |                           
            
                63.90
             | 
            
                63.69
             |                     
            
                49.18
             |                                 
            
                701,070
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2018
             | 
            
                +0.90 / +1.46%
             |             
            
                62.00
             |           
            
                64.00
             |               
            
                62.00
             |                           
            
                62.60
             | 
            
                63.01
             |                     
            
                48.18
             |                                 
            
                1,312,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2018
             | 
            
                +0.40 / +0.65%
             |             
            
                61.50
             |           
            
                61.80
             |               
            
                60.70
             |                           
            
                61.70
             | 
            
                61.24
             |                     
            
                47.49
             |                                 
            
                951,560
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2018
             | 
            
                +0.80 / +1.32%
             |             
            
                61.00
             |           
            
                62.60
             |               
            
                60.60
             |                           
            
                61.30
             | 
            
                61.65
             |                     
            
                47.18
             |                                 
            
                747,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2018
             | 
            
                +2.50 / +4.31%
             |             
            
                58.00
             |           
            
                61.90
             |               
            
                57.70
             |                           
            
                60.50
             | 
            
                60.46
             |                     
            
                46.56
             |                                 
            
                1,559,950
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2018
             | 
            
                +1.30 / +2.29%
             |             
            
                57.40
             |           
            
                58.00
             |               
            
                57.10
             |                           
            
                58.00
             | 
            
                57.59
             |                     
            
                44.64
             |                                 
            
                668,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2018
             | 
            
                +0.70 / +1.25%
             |             
            
                56.00
             |           
            
                57.30
             |               
            
                56.00
             |                           
            
                56.70
             | 
            
                56.96
             |                     
            
                43.64
             |                                 
            
                287,950
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2018
             | 
            
                -0.90 / -1.58%
             |             
            
                56.80
             |           
            
                56.80
             |               
            
                55.70
             |                           
            
                56.00
             | 
            
                56.24
             |                     
            
                43.10
             |                                 
            
                407,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2018
             | 
            
                -0.10 / -0.18%
             |             
            
                57.40
             |           
            
                58.00
             |               
            
                56.90
             |                           
            
                56.90
             | 
            
                57.31
             |                     
            
                43.79
             |                                 
            
                436,720
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2018
             | 
            
                -0.20 / -0.35%
             |             
            
                57.00
             |           
            
                57.80
             |               
            
                56.30
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                43.87
             |                                 
            
                376,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2018
             | 
            
                +1.10 / +1.96%
             |             
            
                56.50
             |           
            
                58.60
             |               
            
                56.00
             |                           
            
                57.20
             | 
            
                57.59
             |                     
            
                44.02
             |                                 
            
                628,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2018
             | 
            
                -1.50 / -2.60%
             |             
            
                56.60
             |           
            
                57.40
             |               
            
                56.10
             |                           
            
                56.10
             | 
            
                56.59
             |                     
            
                43.18
             |                                 
            
                480,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2018
             | 
            
                +0.60 / +1.05%
             |             
            
                57.50
             |           
            
                58.20
             |               
            
                56.80
             |                           
            
                57.60
             | 
            
                57.63
             |                     
            
                44.33
             |                                 
            
                408,530
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2018
             | 
            
                +3.00 / +5.56%
             |             
            
                54.80
             |           
            
                57.00
             |               
            
                54.60
             |                           
            
                57.00
             | 
            
                55.80
             |                     
            
                43.87
             |                                 
            
                771,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2018
             | 
            
                -0.40 / -0.74%
             |             
            
                53.90
             |           
            
                54.90
             |               
            
                53.00
             |                           
            
                54.00
             | 
            
                53.94
             |                     
            
                41.56
             |                                 
            
                308,540
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2018
             | 
            
                +0.40 / +0.74%
             |             
            
                54.00
             |           
            
                55.00
             |               
            
                53.50
             |                           
            
                54.40
             | 
            
                54.39
             |                     
            
                41.87
             |                                 
            
                297,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2018
             | 
            
                +0.50 / +0.93%
             |             
            
                54.00
             |           
            
                54.80
             |               
            
                53.80
             |                           
            
                54.00
             | 
            
                54.23
             |                     
            
                41.56
             |                                 
            
                266,960
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2018
             | 
            
                -0.50 / -0.93%
             |             
            
                52.80
             |           
            
                54.70
             |               
            
                52.80
             |                           
            
                53.50
             | 
            
                53.99
             |                     
            
                41.17
             |                                 
            
                139,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2018
             | 
            
                -1.00 / -1.82%
             |             
            
                52.50
             |           
            
                54.00
             |               
            
                52.10
             |                           
            
                54.00
             | 
            
                53.03
             |                     
            
                41.56
             |                                 
            
                406,410
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                55.00
             |           
            
                56.50
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.79
             |                     
            
                42.33
             |                                 
            
                601,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2018
             | 
            
                +0.60 / +1.10%
             |             
            
                55.50
             |           
            
                56.90
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                56.23
             |                     
            
                42.33
             |                                 
            
                358,880
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2018
             | 
            
                +1.60 / +3.03%
             |             
            
                53.00
             |           
            
                56.10
             |               
            
                51.80
             |                           
            
                54.40
             | 
            
                54.23
             |                     
            
                41.87
             |                                 
            
                683,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2018
             | 
            
                -2.80 / -5.04%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                52.80
             |                           
            
                52.80
             | 
            
                53.79
             |                     
            
                40.64
             |                                 
            
                498,150
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2018
             | 
            
                +0.50 / +0.91%
             |             
            
                56.20
             |           
            
                56.50
             |               
            
                54.20
             |                           
            
                55.60
             | 
            
                55.37
             |                     
            
                42.79
             |                                 
            
                319,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2018
             | 
            
                -3.40 / -5.81%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                55.00
             |                           
            
                55.10
             | 
            
                56.23
             |                     
            
                42.41
             |                                 
            
                446,650
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                58.40
             |           
            
                58.70
             |               
            
                55.90
             |                           
            
                58.50
             | 
            
                57.60
             |                     
            
                45.02
             |                                 
            
                488,920
             |  
            
                 
             |                                                              
             
    
         
    
    
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