| 
                 
                    Closing price on 8/10/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.30 | 
                 
                
                    | High | 
                    13.60 | 
                 
                
                    | Low | 
                    13.30 | 
                     
                
                    | Volume | 
                    1,900 | 
                                 
                
                    | Split-adjusted Price | 
                    9.38 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/10/2020
             | 
            
                0.00 / 0.00%
             |             
            
                13.30
             |           
            
                13.60
             |               
            
                13.30
             |                           
            
                13.60
             | 
            
                13.46
             |                     
            
                9.38
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2020
             | 
            
                -0.20 / -1.45%
             |             
            
                13.60
             |           
            
                13.70
             |               
            
                13.50
             |                           
            
                13.60
             | 
            
                13.62
             |                     
            
                9.38
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2020
             | 
            
                0.00 / 0.00%
             |             
            
                13.60
             |           
            
                13.80
             |               
            
                13.50
             |                           
            
                13.80
             | 
            
                13.62
             |                     
            
                9.51
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2020
             | 
            
                +1.00 / +7.81%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.78
             |                     
            
                9.51
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2020
             | 
            
                -0.40 / -3.03%
             |             
            
                13.10
             |           
            
                14.00
             |               
            
                12.80
             |                           
            
                12.80
             | 
            
                13.10
             |                     
            
                8.82
             |                                 
            
                29,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2020
             | 
            
                +0.60 / +4.76%
             |             
            
                12.60
             |           
            
                13.20
             |               
            
                12.60
             |                           
            
                13.20
             | 
            
                12.89
             |                     
            
                9.10
             |                                 
            
                14,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2020
             | 
            
                -0.20 / -1.56%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                11.80
             |                           
            
                12.60
             | 
            
                12.68
             |                     
            
                8.69
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2020
             | 
            
                +0.20 / +1.59%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.80
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                8.82
             |                                 
            
                9,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2020
             | 
            
                -1.20 / -8.70%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.70
             |                     
            
                8.69
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2020
             | 
            
                +0.80 / +6.15%
             |             
            
                12.10
             |           
            
                13.80
             |               
            
                12.00
             |                           
            
                13.80
             | 
            
                12.43
             |                     
            
                9.51
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2020
             | 
            
                -0.40 / -2.99%
             |             
            
                12.30
             |           
            
                13.10
             |               
            
                12.30
             |                           
            
                13.00
             | 
            
                12.90
             |                     
            
                8.96
             |                                 
            
                27,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2020
             | 
            
                -0.10 / -0.74%
             |             
            
                13.60
             |           
            
                13.70
             |               
            
                13.40
             |                           
            
                13.40
             | 
            
                13.59
             |                     
            
                9.24
             |                                 
            
                24,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2020
             | 
            
                -0.50 / -3.57%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.56
             |                     
            
                9.31
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2020
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.60
             |                           
            
                14.00
             | 
            
                13.89
             |                     
            
                9.65
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2020
             | 
            
                0.00 / 0.00%
             |             
            
                13.60
             |           
            
                14.00
             |               
            
                13.50
             |                           
            
                14.00
             | 
            
                13.88
             |                     
            
                9.65
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                9.65
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2020
             | 
            
                -0.10 / -0.71%
             |             
            
                13.50
             |           
            
                14.00
             |               
            
                13.50
             |                           
            
                14.00
             | 
            
                13.96
             |                     
            
                9.65
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2020
             | 
            
                +0.50 / +3.68%
             |             
            
                14.10
             |           
            
                14.20
             |               
            
                14.10
             |                           
            
                14.10
             | 
            
                14.18
             |                     
            
                9.72
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2020
             | 
            
                -0.20 / -1.45%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                13.60
             |                           
            
                13.60
             | 
            
                13.74
             |                     
            
                9.38
             |                                 
            
                14,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2020
             | 
            
                -0.40 / -2.82%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                9.51
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2020
             | 
            
                +0.10 / +0.71%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                9.79
             |                                 
            
                8,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2020
             | 
            
                +0.10 / +0.71%
             |             
            
                14.00
             |           
            
                14.10
             |               
            
                14.00
             |                           
            
                14.10
             | 
            
                14.03
             |                     
            
                9.72
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2020
             | 
            
                +0.20 / +1.45%
             |             
            
                13.80
             |           
            
                14.00
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                13.89
             |                     
            
                9.65
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2020
             | 
            
                -0.20 / -1.43%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                14.07
             |                     
            
                9.51
             |                                 
            
                11,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2020
             | 
            
                -0.30 / -2.10%
             |             
            
                14.00
             |           
            
                14.10
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.05
             |                     
            
                9.65
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2020
             | 
            
                +0.20 / +1.42%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                13.30
             |                           
            
                14.30
             | 
            
                14.06
             |                     
            
                9.86
             |                                 
            
                88,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2020
             | 
            
                -0.70 / -4.73%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                14.10
             |                           
            
                14.10
             | 
            
                14.37
             |                     
            
                9.72
             |                                 
            
                11,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2020
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                10.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2020
             | 
            
                +0.50 / +3.50%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                10.20
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2020
             | 
            
                -0.70 / -4.67%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.30
             |                           
            
                14.30
             | 
            
                14.63
             |                     
            
                9.86
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
         
    
    
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