| 
                 
                    Closing price on 7/2/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.10 | 
                 
                
                    | High | 
                    3.10 | 
                 
                
                    | Low | 
                    2.90 | 
                     
                
                    | Volume | 
                    3,000 | 
                                 
                
                    | Split-adjusted Price | 
                    3.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PV2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                2.91
             |                     
            
                3.10
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                2.80
             |                           
            
                3.10
             | 
            
                2.97
             |                     
            
                3.10
             |                                 
            
                11,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                2.97
             |                     
            
                3.10
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2018
             | 
            
                +0.10 / +3.33%
             |             
            
                2.90
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                3.02
             |                     
            
                3.10
             |                                 
            
                12,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2018
             | 
            
                -0.10 / -3.23%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                11,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                2.97
             |                     
            
                3.10
             |                                 
            
                9,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                2.95
             |                     
            
                3.10
             |                                 
            
                6,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                2.92
             |                     
            
                3.10
             |                                 
            
                35,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2018
             | 
            
                +0.10 / +3.33%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.02
             |                     
            
                3.10
             |                                 
            
                3,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2018
             | 
            
                +0.10 / +3.45%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                50,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                3.00
             |                     
            
                2.90
             |                                 
            
                75,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2018
             | 
            
                -0.10 / -3.33%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                3.05
             |                     
            
                2.90
             |                                 
            
                42,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2018
             | 
            
                -0.20 / -6.25%
             |             
            
                3.00
             |           
            
                3.20
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.03
             |                     
            
                3.00
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2018
             | 
            
                +0.20 / +6.67%
             |             
            
                3.00
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                3.20
             | 
            
                3.04
             |                     
            
                3.20
             |                                 
            
                49,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2018
             | 
            
                -0.20 / -6.25%
             |             
            
                3.00
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.12
             |                     
            
                3.00
             |                                 
            
                24,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2018
             | 
            
                +0.10 / +3.23%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                7,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2018
             | 
            
                +0.20 / +6.90%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.04
             |                     
            
                3.10
             |                                 
            
                22,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2018
             | 
            
                -0.10 / -3.33%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                3.00
             |                     
            
                2.90
             |                                 
            
                110,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2018
             | 
            
                -0.20 / -6.25%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.19
             |                     
            
                3.00
             |                                 
            
                42,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2018
             | 
            
                +0.10 / +3.23%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                66,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2018
             | 
            
                +0.20 / +6.90%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.08
             |                     
            
                3.10
             |                                 
            
                100,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2018
             | 
            
                -0.20 / -6.45%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                3.08
             |                     
            
                2.90
             |                                 
            
                16,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2018
             | 
            
                +0.10 / +3.33%
             |             
            
                3.00
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                3.01
             |                     
            
                3.10
             |                                 
            
                41,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                12,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2018
             | 
            
                +0.20 / +7.14%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                57,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                3.00
             |                     
            
                2.80
             |                                 
            
                103,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2018
             | 
            
                +0.20 / +7.69%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2018
             | 
            
                -0.10 / -3.70%
             |             
            
                2.70
             |           
            
                2.90
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.64
             |                     
            
                2.60
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2018
             | 
            
                -0.20 / -6.90%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.90
             |                     
            
                2.70
             |                                 
            
                55,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.96
             |                     
            
                2.90
             |                                 
            
                23,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |