| 
                 
                    Closing price on 10/30/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.00 | 
                 
                
                    | High | 
                    3.10 | 
                 
                
                    | Low | 
                    3.00 | 
                     
                
                    | Volume | 
                    404,300 | 
                                 
                
                    | Split-adjusted Price | 
                    3.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PV2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/30/2018
             | 
            
                -0.10 / -3.23%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.07
             |                     
            
                3.00
             |                                 
            
                404,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2018
             | 
            
                -0.10 / -3.13%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2018
             | 
            
                +0.10 / +3.23%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                21,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                1,706,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.05
             |                     
            
                3.10
             |                                 
            
                67,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2018
             | 
            
                -0.10 / -3.13%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.12
             |                     
            
                3.10
             |                                 
            
                97,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2018
             | 
            
                +0.10 / +3.23%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                3.10
             |                           
            
                3.20
             | 
            
                3.18
             |                     
            
                3.20
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.12
             |                     
            
                3.10
             |                                 
            
                9,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2018
             | 
            
                +0.10 / +3.33%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                19,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2018
             | 
            
                -0.10 / -3.23%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                14,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                1,800,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2018
             | 
            
                +0.10 / +3.33%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.02
             |                     
            
                3.10
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                148,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                11,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2018
             | 
            
                -0.20 / -6.25%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                1,506,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2018
             | 
            
                +0.20 / +6.67%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.25
             |                     
            
                3.20
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.01
             |                     
            
                3.00
             |                                 
            
                35,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2018
             | 
            
                -0.10 / -3.23%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                10,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2018
             | 
            
                +0.10 / +3.33%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2018
             | 
            
                -0.10 / -3.23%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2018
             | 
            
                +0.10 / +3.33%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.00
             |                     
            
                3.10
             |                                 
            
                44,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                15,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                1,798,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                55,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |