| 
                 
                    Closing price on 10/16/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.80 | 
                 
                
                    | High | 
                    3.00 | 
                 
                
                    | Low | 
                    2.80 | 
                     
                
                    | Volume | 
                    300 | 
                                 
                
                    | Split-adjusted Price | 
                    3.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/16/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.87
             |                     
            
                3.00
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.80
             |                     
            
                3.00
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.90
             |                     
            
                3.00
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2018
             | 
            
                -0.10 / -3.23%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.90
             |                     
            
                3.00
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2018
             | 
            
                +0.20 / +6.90%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2018
             | 
            
                -0.20 / -6.45%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2018
             | 
            
                -0.10 / -3.13%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2018
             | 
            
                +0.20 / +6.67%
             |             
            
                2.90
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                3.20
             | 
            
                3.01
             |                     
            
                3.20
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2018
             | 
            
                +0.10 / +3.45%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2018
             | 
            
                -0.10 / -3.33%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2018
             | 
            
                +0.10 / +3.45%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2018
             | 
            
                +0.10 / +3.57%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2018
             | 
            
                -0.10 / -3.45%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.71
             |                     
            
                2.80
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2018
             | 
            
                +0.10 / +3.57%
             |             
            
                2.70
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                2.72
             |                     
            
                2.90
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2018
             | 
            
                -0.20 / -6.67%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.73
             |                     
            
                2.80
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2018
             | 
            
                +0.10 / +3.45%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                3.00
             | 
            
                2.75
             |                     
            
                3.00
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.99
             |                     
            
                2.90
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2018
             | 
            
                +0.10 / +3.57%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2018
             | 
            
                -0.20 / -6.67%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |