| 
                 
                    Closing price on 8/31/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.60 | 
                 
                
                    | High | 
                    10.00 | 
                 
                
                    | Low | 
                    9.60 | 
                     
                
                    | Volume | 
                    15,700 | 
                                 
                
                    | Split-adjusted Price | 
                    7.12 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PSW Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/31/2021
             | 
            
                -0.40 / -3.96%
             |             
            
                9.60
             |           
            
                10.00
             |               
            
                9.60
             |                           
            
                9.70
             | 
            
                9.68
             |                     
            
                7.12
             |                                 
            
                15,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2021
             | 
            
                -0.50 / -4.72%
             |             
            
                10.00
             |           
            
                10.30
             |               
            
                9.70
             |                           
            
                10.10
             | 
            
                10.21
             |                     
            
                7.42
             |                                 
            
                38,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2021
             | 
            
                +0.40 / +3.92%
             |             
            
                9.90
             |           
            
                10.60
             |               
            
                9.90
             |                           
            
                10.60
             | 
            
                10.00
             |                     
            
                7.78
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2021
             | 
            
                -0.30 / -2.86%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.20
             |                           
            
                10.20
             | 
            
                10.22
             |                     
            
                7.49
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2021
             | 
            
                +0.50 / +5.00%
             |             
            
                9.90
             |           
            
                11.00
             |               
            
                9.90
             |                           
            
                10.50
             | 
            
                10.07
             |                     
            
                7.71
             |                                 
            
                13,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2021
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                7.34
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.30
             |           
            
                10.00
             |               
            
                9.20
             |                           
            
                10.00
             | 
            
                9.38
             |                     
            
                7.34
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2021
             | 
            
                -0.90 / -8.26%
             |             
            
                10.00
             |           
            
                10.90
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                7.34
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2021
             | 
            
                -0.10 / -0.91%
             |             
            
                10.00
             |           
            
                10.90
             |               
            
                10.00
             |                           
            
                10.90
             | 
            
                10.00
             |                     
            
                8.00
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2021
             | 
            
                +0.30 / +2.80%
             |             
            
                10.00
             |           
            
                11.00
             |               
            
                10.00
             |                           
            
                11.00
             | 
            
                10.00
             |                     
            
                8.08
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2021
             | 
            
                -0.90 / -7.76%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                7.86
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2021
             | 
            
                +0.10 / +0.87%
             |             
            
                11.50
             |           
            
                11.60
             |               
            
                10.90
             |                           
            
                11.60
             | 
            
                11.17
             |                     
            
                8.52
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2021
             | 
            
                +0.90 / +8.49%
             |             
            
                10.50
             |           
            
                11.50
             |               
            
                10.50
             |                           
            
                11.50
             | 
            
                11.11
             |                     
            
                8.45
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2021
             | 
            
                -1.10 / -9.09%
             |             
            
                12.10
             |           
            
                12.10
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.70
             |                     
            
                7.78
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2021
             | 
            
                +0.50 / +4.31%
             |             
            
                11.60
             |           
            
                12.40
             |               
            
                11.60
             |                           
            
                12.10
             | 
            
                12.13
             |                     
            
                8.56
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2021
             | 
            
                +1.00 / +9.43%
             |             
            
                10.60
             |           
            
                11.60
             |               
            
                10.60
             |                           
            
                11.60
             | 
            
                11.51
             |                     
            
                8.21
             |                                 
            
                7,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2021
             | 
            
                +0.90 / +9.28%
             |             
            
                9.70
             |           
            
                10.60
             |               
            
                9.70
             |                           
            
                10.60
             | 
            
                10.08
             |                     
            
                7.50
             |                                 
            
                12,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2021
             | 
            
                +0.10 / +1.04%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                10.00
             |                     
            
                6.86
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                6.79
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                6.79
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2021
             | 
            
                +0.10 / +1.05%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.56
             |                     
            
                6.79
             |                                 
            
                6,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2021
             | 
            
                +0.10 / +1.06%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                6.72
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                6.65
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                6.65
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                6.65
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2021
             | 
            
                -0.10 / -1.05%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                6.65
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                6.72
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                6.72
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                6.72
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2021
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.68
             |                     
            
                6.72
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |