| 
                 
                    Closing price on 7/5/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.00 | 
                 
                
                    | High | 
                    9.50 | 
                 
                
                    | Low | 
                    9.00 | 
                     
                
                    | Volume | 
                    4,700 | 
                                 
                
                    | Split-adjusted Price | 
                    6.72 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PSW Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/5/2021
             | 
            
                +0.50 / +5.56%
             |             
            
                9.00
             |           
            
                9.50
             |               
            
                9.00
             |                           
            
                9.50
             | 
            
                9.15
             |                     
            
                6.72
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2021
             | 
            
                -0.20 / -2.17%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                6.37
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2021
             | 
            
                -0.20 / -2.13%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.29
             |                     
            
                6.51
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2021
             | 
            
                +0.40 / +4.44%
             |             
            
                9.00
             |           
            
                9.40
             |               
            
                9.00
             |                           
            
                9.40
             | 
            
                9.32
             |                     
            
                6.65
             |                                 
            
                13,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                6.37
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                6.37
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                6.37
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2021
             | 
            
                -0.20 / -2.17%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                6.37
             |                                 
            
                7,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2021
             | 
            
                -0.30 / -3.16%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                6.51
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2021
             | 
            
                +0.50 / +5.56%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.51
             |                     
            
                6.72
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                6.37
             |                                 
            
                20,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2021
             | 
            
                +0.80 / +9.76%
             |             
            
                8.20
             |           
            
                9.00
             |               
            
                8.20
             |                           
            
                9.00
             | 
            
                8.85
             |                     
            
                6.37
             |                                 
            
                60,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2021
             | 
            
                +0.10 / +1.23%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.24
             |                     
            
                5.80
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2021
             | 
            
                -0.40 / -4.71%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.20
             |                     
            
                5.73
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2021
             | 
            
                +0.20 / +2.41%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                6.02
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                5.87
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                5.87
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2021
             | 
            
                +0.20 / +2.47%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.20
             |                     
            
                5.87
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2021
             | 
            
                +0.20 / +2.53%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.00
             |                     
            
                5.73
             |                                 
            
                5,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                8.00
             |                     
            
                5.59
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2021
             | 
            
                -0.20 / -2.47%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                8.20
             |                     
            
                5.59
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.20
             |                     
            
                5.73
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2021
             | 
            
                +0.10 / +1.25%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.00
             |                     
            
                5.73
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2021
             | 
            
                +0.30 / +3.90%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                7.80
             |                     
            
                5.66
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2021
             | 
            
                -0.40 / -4.94%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                8.00
             |                     
            
                5.45
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                5.73
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2021
             | 
            
                +0.20 / +2.53%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                7.30
             |                           
            
                8.10
             | 
            
                7.30
             |                     
            
                5.73
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2021
             | 
            
                +0.60 / +8.22%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.00
             |                           
            
                7.90
             | 
            
                7.50
             |                     
            
                5.59
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2021
             | 
            
                -0.50 / -6.41%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                8.40
             |                     
            
                5.17
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2021
             | 
            
                +0.70 / +9.86%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                5.52
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |