| 
                 
                    Closing price on 7/22/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.60 | 
                 
                
                    | High | 
                    8.80 | 
                 
                
                    | Low | 
                    8.50 | 
                     
                
                    | Volume | 
                    38,100 | 
                                 
                
                    | Split-adjusted Price | 
                    8.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/22/2021
             | 
            
                +0.20 / +2.33%
             |             
            
                8.60
             |           
            
                8.80
             |               
            
                8.50
             |                           
            
                8.80
             | 
            
                8.66
             |                     
            
                8.80
             |                                 
            
                38,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2021
             | 
            
                +0.10 / +1.18%
             |             
            
                8.60
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                8.60
             | 
            
                8.58
             |                     
            
                8.60
             |                                 
            
                41,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2021
             | 
            
                +0.50 / +6.25%
             |             
            
                8.00
             |           
            
                8.50
             |               
            
                7.80
             |                           
            
                8.50
             | 
            
                8.30
             |                     
            
                8.50
             |                                 
            
                39,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2021
             | 
            
                -0.80 / -9.09%
             |             
            
                8.10
             |           
            
                8.60
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.05
             |                     
            
                8.00
             |                                 
            
                210,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2021
             | 
            
                -0.30 / -3.30%
             |             
            
                9.10
             |           
            
                9.10
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.88
             |                     
            
                8.80
             |                                 
            
                51,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2021
             | 
            
                +0.80 / +9.64%
             |             
            
                8.30
             |           
            
                9.10
             |               
            
                8.30
             |                           
            
                9.10
             | 
            
                8.76
             |                     
            
                9.10
             |                                 
            
                106,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.00
             |                           
            
                8.30
             | 
            
                8.20
             |                     
            
                8.30
             |                                 
            
                56,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2021
             | 
            
                +0.20 / +2.47%
             |             
            
                8.10
             |           
            
                8.40
             |               
            
                7.80
             |                           
            
                8.30
             | 
            
                8.09
             |                     
            
                8.30
             |                                 
            
                158,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2021
             | 
            
                -0.90 / -10.00%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.20
             |                     
            
                8.10
             |                                 
            
                343,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2021
             | 
            
                -1.00 / -10.00%
             |             
            
                9.40
             |           
            
                10.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.59
             |                     
            
                9.00
             |                                 
            
                133,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2021
             | 
            
                -0.10 / -0.99%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                9.90
             |                           
            
                10.00
             | 
            
                9.94
             |                     
            
                10.00
             |                                 
            
                125,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2021
             | 
            
                -0.50 / -4.72%
             |             
            
                10.60
             |           
            
                10.60
             |               
            
                9.60
             |                           
            
                10.10
             | 
            
                9.84
             |                     
            
                10.10
             |                                 
            
                294,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2021
             | 
            
                -1.10 / -9.40%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                10.82
             |                     
            
                10.60
             |                                 
            
                423,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2021
             | 
            
                +0.40 / +3.54%
             |             
            
                11.30
             |           
            
                12.20
             |               
            
                11.30
             |                           
            
                11.70
             | 
            
                11.80
             |                     
            
                11.70
             |                                 
            
                394,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2021
             | 
            
                +1.00 / +9.71%
             |             
            
                10.60
             |           
            
                11.30
             |               
            
                10.50
             |                           
            
                11.30
             | 
            
                11.20
             |                     
            
                11.30
             |                                 
            
                1,295,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2021
             | 
            
                +0.30 / +3.00%
             |             
            
                9.80
             |           
            
                10.40
             |               
            
                9.50
             |                           
            
                10.30
             | 
            
                10.23
             |                     
            
                10.30
             |                                 
            
                546,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2021
             | 
            
                -0.10 / -0.99%
             |             
            
                10.00
             |           
            
                10.20
             |               
            
                9.80
             |                           
            
                10.00
             | 
            
                9.99
             |                     
            
                10.00
             |                                 
            
                71,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2021
             | 
            
                -0.10 / -0.98%
             |             
            
                10.20
             |           
            
                10.40
             |               
            
                10.00
             |                           
            
                10.10
             | 
            
                10.12
             |                     
            
                10.10
             |                                 
            
                100,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2021
             | 
            
                +0.10 / +0.99%
             |             
            
                10.30
             |           
            
                10.60
             |               
            
                10.10
             |                           
            
                10.20
             | 
            
                10.36
             |                     
            
                10.20
             |                                 
            
                154,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2021
             | 
            
                +0.30 / +3.06%
             |             
            
                9.80
             |           
            
                10.10
             |               
            
                9.70
             |                           
            
                10.10
             | 
            
                9.96
             |                     
            
                10.10
             |                                 
            
                131,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2021
             | 
            
                -0.20 / -2.00%
             |             
            
                10.00
             |           
            
                10.10
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.87
             |                     
            
                9.80
             |                                 
            
                74,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                10.10
             |               
            
                9.80
             |                           
            
                10.00
             | 
            
                10.04
             |                     
            
                10.00
             |                                 
            
                153,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2021
             | 
            
                -0.10 / -0.99%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                9.90
             |                           
            
                10.00
             | 
            
                10.03
             |                     
            
                10.00
             |                                 
            
                123,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2021
             | 
            
                +0.10 / +1.00%
             |             
            
                10.10
             |           
            
                10.30
             |               
            
                9.80
             |                           
            
                10.10
             | 
            
                9.98
             |                     
            
                10.10
             |                                 
            
                105,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2021
             | 
            
                0.00 / 0.00%
             |             
            
                10.10
             |           
            
                10.40
             |               
            
                9.90
             |                           
            
                10.00
             | 
            
                10.17
             |                     
            
                10.00
             |                                 
            
                150,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2021
             | 
            
                -0.30 / -2.91%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                9.50
             |                           
            
                10.00
             | 
            
                10.03
             |                     
            
                10.00
             |                                 
            
                124,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2021
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.50
             |               
            
                10.00
             |                           
            
                10.30
             | 
            
                10.15
             |                     
            
                10.30
             |                                 
            
                120,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2021
             | 
            
                -0.40 / -3.74%
             |             
            
                10.50
             |           
            
                10.90
             |               
            
                10.00
             |                           
            
                10.30
             | 
            
                10.27
             |                     
            
                10.30
             |                                 
            
                247,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2021
             | 
            
                -0.10 / -0.93%
             |             
            
                10.80
             |           
            
                11.00
             |               
            
                10.10
             |                           
            
                10.70
             | 
            
                10.62
             |                     
            
                10.70
             |                                 
            
                281,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2021
             | 
            
                0.00 / 0.00%
             |             
            
                10.10
             |           
            
                11.00
             |               
            
                10.10
             |                           
            
                10.80
             | 
            
                10.65
             |                     
            
                10.80
             |                                 
            
                125,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |