| 
                 
                    Closing price on 3/23/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.80 | 
                 
                
                    | High | 
                    9.70 | 
                 
                
                    | Low | 
                    8.80 | 
                     
                
                    | Volume | 
                    300 | 
                                 
                
                    | Split-adjusted Price | 
                    9.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PEC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/23/2022
             | 
            
                +1.10 / +12.79%
             |             
            
                8.80
             |           
            
                9.70
             |               
            
                8.80
             |                           
            
                9.70
             | 
            
                9.10
             |                     
            
                9.70
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2022
             | 
            
                -0.60 / -6.59%
             |             
            
                8.60
             |           
            
                9.10
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.60
             |                     
            
                8.50
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2022
             | 
            
                -1.30 / -13.13%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                9.10
             |                     
            
                8.60
             |                                 
            
                3,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2022
             | 
            
                +0.40 / +4.08%
             |             
            
                9.50
             |           
            
                10.20
             |               
            
                9.40
             |                           
            
                10.20
             | 
            
                9.90
             |                     
            
                10.20
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2022
             | 
            
                +1.20 / +13.33%
             |             
            
                8.90
             |           
            
                10.20
             |               
            
                8.90
             |                           
            
                10.20
             | 
            
                9.80
             |                     
            
                10.20
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2022
             | 
            
                +0.20 / +2.15%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                8.50
             |                           
            
                9.50
             | 
            
                9.00
             |                     
            
                9.50
             |                                 
            
                4,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2022
             | 
            
                +1.00 / +12.05%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                9.30
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2022
             | 
            
                +0.10 / +1.18%
             |             
            
                7.60
             |           
            
                8.60
             |               
            
                7.50
             |                           
            
                8.60
             | 
            
                8.30
             |                     
            
                8.60
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2022
             | 
            
                -0.10 / -1.16%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                8.50
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2022
             | 
            
                +0.10 / +1.18%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                8.60
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2022
             | 
            
                +1.10 / +14.67%
             |             
            
                7.70
             |           
            
                8.60
             |               
            
                7.70
             |                           
            
                8.60
             | 
            
                8.50
             |                     
            
                8.60
             |                                 
            
                5,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2022
             | 
            
                -0.10 / -1.30%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.50
             |                     
            
                7.60
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2022
             | 
            
                -0.40 / -5.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.70
             |                     
            
                7.60
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2022
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                8.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2022
             | 
            
                +0.20 / +2.56%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                8.00
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2022
             | 
            
                +0.70 / +9.86%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                7.80
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                7.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2022
             | 
            
                -1.20 / -14.46%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                7.10
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2022
             | 
            
                +0.40 / +5.06%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                8.30
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.90
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2022
             | 
            
                +1.10 / +14.67%
             |             
            
                7.80
             |           
            
                8.60
             |               
            
                7.80
             |                           
            
                8.60
             | 
            
                7.90
             |                     
            
                8.60
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                7.50
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2022
             | 
            
                -0.10 / -1.32%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                7.50
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2022
             | 
            
                +0.40 / +5.56%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                7.60
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                7.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                7.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                7.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.20
             |                     
            
                7.30
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2022
             | 
            
                -0.10 / -1.35%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                7.30
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                7.40
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |