| 
                 
                    Closing price on 4/17/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.00 | 
                 
                
                    | High | 
                    6.30 | 
                 
                
                    | Low | 
                    6.00 | 
                     
                
                    | Volume | 
                    48,600 | 
                                 
                
                    | Split-adjusted Price | 
                    5.97 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SGP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/17/2020
             | 
            
                +0.30 / +5.00%
             |             
            
                6.00
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.18
             |                     
            
                5.97
             |                                 
            
                48,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2020
             | 
            
                -0.20 / -3.23%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                5.98
             |                     
            
                5.69
             |                                 
            
                58,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2020
             | 
            
                +0.10 / +1.64%
             |             
            
                5.90
             |           
            
                6.20
             |               
            
                5.90
             |                           
            
                6.20
             | 
            
                6.01
             |                     
            
                5.88
             |                                 
            
                19,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2020
             | 
            
                -0.30 / -4.69%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                5.90
             |                           
            
                6.10
             | 
            
                6.25
             |                     
            
                5.78
             |                                 
            
                73,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2020
             | 
            
                +0.60 / +10.34%
             |             
            
                6.00
             |           
            
                6.50
             |               
            
                6.00
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.07
             |                                 
            
                52,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2020
             | 
            
                +0.50 / +9.26%
             |             
            
                5.50
             |           
            
                5.90
             |               
            
                5.20
             |                           
            
                5.90
             | 
            
                5.75
             |                     
            
                5.59
             |                                 
            
                141,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2020
             | 
            
                0.00 / 0.00%
             |             
            
                5.40
             |           
            
                5.50
             |               
            
                5.00
             |                           
            
                5.40
             | 
            
                5.16
             |                     
            
                5.12
             |                                 
            
                67,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2020
             | 
            
                -0.10 / -1.82%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.45
             |                     
            
                5.12
             |                                 
            
                21,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2020
             | 
            
                +0.10 / +1.85%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.64
             |                     
            
                5.22
             |                                 
            
                27,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2020
             | 
            
                +0.30 / +5.88%
             |             
            
                5.30
             |           
            
                5.60
             |               
            
                5.30
             |                           
            
                5.40
             | 
            
                5.52
             |                     
            
                5.12
             |                                 
            
                28,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2020
             | 
            
                +0.10 / +1.96%
             |             
            
                5.10
             |           
            
                5.20
             |               
            
                5.10
             |                           
            
                5.20
             | 
            
                5.13
             |                     
            
                4.93
             |                                 
            
                38,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2020
             | 
            
                0.00 / 0.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                4.84
             |                                 
            
                1,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2020
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.09
             |                     
            
                4.84
             |                                 
            
                17,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2020
             | 
            
                0.00 / 0.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.10
             | 
            
                5.04
             |                     
            
                4.84
             |                                 
            
                7,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2020
             | 
            
                0.00 / 0.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.09
             |                     
            
                4.74
             |                                 
            
                62,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2020
             | 
            
                -0.10 / -1.96%
             |             
            
                5.10
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.10
             |                     
            
                4.74
             |                                 
            
                72,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2020
             | 
            
                +0.10 / +2.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                4.84
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2020
             | 
            
                -0.10 / -1.96%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.03
             |                     
            
                4.74
             |                                 
            
                7,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2020
             | 
            
                -0.30 / -5.56%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.04
             |                     
            
                4.84
             |                                 
            
                139,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2020
             | 
            
                +0.20 / +3.92%
             |             
            
                5.30
             |           
            
                5.50
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.42
             |                     
            
                5.03
             |                                 
            
                33,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2020
             | 
            
                -0.30 / -5.56%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.00
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                4.84
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2020
             | 
            
                +0.20 / +3.85%
             |             
            
                5.30
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.40
             | 
            
                5.41
             |                     
            
                5.12
             |                                 
            
                11,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2020
             | 
            
                +0.10 / +1.96%
             |             
            
                5.00
             |           
            
                5.40
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.26
             |                     
            
                4.93
             |                                 
            
                23,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2020
             | 
            
                +0.10 / +2.00%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.01
             |                     
            
                4.84
             |                                 
            
                31,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2020
             | 
            
                -0.10 / -1.92%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                4.80
             |                           
            
                5.10
             | 
            
                5.03
             |                     
            
                4.84
             |                                 
            
                49,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2020
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.07
             |                     
            
                4.93
             |                                 
            
                32,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2020
             | 
            
                -0.50 / -8.77%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.39
             |                     
            
                4.93
             |                                 
            
                48,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2020
             | 
            
                +0.20 / +3.64%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.61
             |                     
            
                5.41
             |                                 
            
                44,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2020
             | 
            
                -0.50 / -8.33%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.20
             |                           
            
                5.50
             | 
            
                5.60
             |                     
            
                5.22
             |                                 
            
                90,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                5.90
             |                           
            
                6.10
             | 
            
                5.98
             |                     
            
                5.78
             |                                 
            
                24,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |