| 
                 
                    Closing price on 6/7/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    1.70 | 
                 
                
                    | High | 
                    1.70 | 
                 
                
                    | Low | 
                    1.70 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    1.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/7/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.70
             |           
            
                1.70
             |               
            
                1.70
             |                           
            
                1.70
             | 
            
                1.70
             |                     
            
                1.70
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.70
             |               
            
                1.60
             |                           
            
                1.70
             | 
            
                1.60
             |                     
            
                1.70
             |                                 
            
                55,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2018
             | 
            
                -0.10 / -5.56%
             |             
            
                1.70
             |           
            
                1.70
             |               
            
                1.70
             |                           
            
                1.70
             | 
            
                1.70
             |                     
            
                1.70
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2018
             | 
            
                +0.10 / +5.88%
             |             
            
                1.80
             |           
            
                1.80
             |               
            
                1.80
             |                           
            
                1.80
             | 
            
                1.80
             |                     
            
                1.80
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2018
             | 
            
                -0.10 / -5.56%
             |             
            
                1.70
             |           
            
                1.70
             |               
            
                1.70
             |                           
            
                1.70
             | 
            
                1.70
             |                     
            
                1.70
             |                                 
            
                14,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2018
             | 
            
                -0.10 / -5.26%
             |             
            
                1.90
             |           
            
                1.90
             |               
            
                1.80
             |                           
            
                1.80
             | 
            
                1.85
             |                     
            
                1.80
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.80
             |           
            
                1.90
             |               
            
                1.80
             |                           
            
                1.90
             | 
            
                1.80
             |                     
            
                1.90
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2018
             | 
            
                +0.10 / +5.56%
             |             
            
                1.80
             |           
            
                1.90
             |               
            
                1.70
             |                           
            
                1.90
             | 
            
                1.81
             |                     
            
                1.90
             |                                 
            
                49,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2018
             | 
            
                +0.10 / +5.88%
             |             
            
                1.70
             |           
            
                1.80
             |               
            
                1.70
             |                           
            
                1.80
             | 
            
                1.70
             |                     
            
                1.80
             |                                 
            
                36,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.70
             |           
            
                1.70
             |               
            
                1.70
             |                           
            
                1.70
             | 
            
                1.70
             |                     
            
                1.70
             |                                 
            
                31,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.70
             |           
            
                1.70
             |               
            
                1.70
             |                           
            
                1.70
             | 
            
                1.70
             |                     
            
                1.70
             |                                 
            
                21,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.80
             |               
            
                1.60
             |                           
            
                1.70
             | 
            
                1.69
             |                     
            
                1.70
             |                                 
            
                42,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2018
             | 
            
                -0.10 / -5.56%
             |             
            
                1.70
             |           
            
                1.80
             |               
            
                1.70
             |                           
            
                1.70
             | 
            
                1.70
             |                     
            
                1.70
             |                                 
            
                18,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2018
             | 
            
                -0.20 / -10.00%
             |             
            
                1.80
             |           
            
                1.80
             |               
            
                1.80
             |                           
            
                1.80
             | 
            
                1.80
             |                     
            
                1.80
             |                                 
            
                27,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.00
             |           
            
                2.00
             |               
            
                1.80
             |                           
            
                2.00
             | 
            
                1.92
             |                     
            
                2.00
             |                                 
            
                15,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2018
             | 
            
                -0.20 / -9.09%
             |             
            
                2.00
             |           
            
                2.10
             |               
            
                2.00
             |                           
            
                2.00
             | 
            
                2.01
             |                     
            
                2.00
             |                                 
            
                51,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2018
             | 
            
                -0.10 / -4.35%
             |             
            
                2.30
             |           
            
                2.30
             |               
            
                2.10
             |                           
            
                2.20
             | 
            
                2.16
             |                     
            
                2.20
             |                                 
            
                19,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.30
             |           
            
                2.30
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.30
             |                     
            
                2.30
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2018
             | 
            
                -0.20 / -8.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.33
             |                     
            
                2.30
             |                                 
            
                12,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2018
             | 
            
                +0.10 / +4.17%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                2.50
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2018
             | 
            
                -0.10 / -4.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.40
             |                     
            
                2.40
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                2.50
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                2.50
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                2.50
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2018
             | 
            
                +0.10 / +4.17%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                2.50
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2018
             | 
            
                -0.20 / -7.69%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.40
             |                     
            
                2.40
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                2.60
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2018
             | 
            
                +0.20 / +8.33%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                2.60
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2018
             | 
            
                -0.20 / -7.69%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.40
             |                     
            
                2.40
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                2.60
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |