| 
                 
                    Closing price on 6/6/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.70 | 
                 
                
                    | High | 
                    2.70 | 
                 
                
                    | Low | 
                    2.70 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    2.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2019
             | 
            
                -0.10 / -3.57%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2019
             | 
            
                -0.30 / -9.68%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2019
             | 
            
                +0.20 / +6.90%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.06
             |                     
            
                3.10
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2019
             | 
            
                +0.20 / +7.41%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2019
             | 
            
                -0.20 / -6.90%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2019
             | 
            
                +0.10 / +3.57%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.91
             |                     
            
                2.90
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2019
             | 
            
                -0.20 / -6.67%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2019
             | 
            
                +0.10 / +3.45%
             |             
            
                2.70
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                3.00
             | 
            
                2.96
             |                     
            
                3.00
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2019
             | 
            
                +0.20 / +7.41%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2019
             | 
            
                -0.10 / -3.57%
             |             
            
                2.60
             |           
            
                3.00
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                12,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2019
             | 
            
                -0.10 / -3.45%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.71
             |                     
            
                2.80
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2019
             | 
            
                -0.10 / -3.33%
             |             
            
                2.70
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                2.72
             |                     
            
                2.90
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2019
             | 
            
                +0.10 / +3.45%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2019
             | 
            
                +0.10 / +3.57%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.81
             |                     
            
                2.80
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2019
             | 
            
                +0.10 / +3.70%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |