| 
                 
                    Closing price on 4/2/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.60 | 
                 
                
                    | High | 
                    15.75 | 
                 
                
                    | Low | 
                    15.55 | 
                     
                
                    | Volume | 
                    5,000 | 
                                 
                
                    | Split-adjusted Price | 
                    15.75 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/2/2021
             | 
            
                +0.15 / +0.96%
             |             
            
                15.60
             |           
            
                15.75
             |               
            
                15.55
             |                           
            
                15.75
             | 
            
                15.65
             |                     
            
                15.75
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2021
             | 
            
                -0.15 / -0.95%
             |             
            
                15.60
             |           
            
                15.75
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.57
             |                     
            
                15.60
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2021
             | 
            
                -0.25 / -1.56%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.60
             |                           
            
                15.75
             | 
            
                15.69
             |                     
            
                15.75
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2021
             | 
            
                0.00 / 0.00%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.01
             |                     
            
                16.00
             |                                 
            
                10,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2021
             | 
            
                +0.60 / +3.90%
             |             
            
                15.95
             |           
            
                16.00
             |               
            
                15.20
             |                           
            
                16.00
             | 
            
                15.77
             |                     
            
                16.00
             |                                 
            
                12,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2021
             | 
            
                -0.15 / -0.96%
             |             
            
                16.45
             |           
            
                16.45
             |               
            
                15.30
             |                           
            
                15.40
             | 
            
                15.42
             |                     
            
                15.40
             |                                 
            
                6,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2021
             | 
            
                -0.35 / -2.20%
             |             
            
                15.40
             |           
            
                15.60
             |               
            
                15.40
             |                           
            
                15.55
             | 
            
                15.55
             |                     
            
                15.55
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2021
             | 
            
                +0.10 / +0.63%
             |             
            
                15.70
             |           
            
                15.90
             |               
            
                15.60
             |                           
            
                15.90
             | 
            
                15.68
             |                     
            
                15.90
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2021
             | 
            
                -0.20 / -1.25%
             |             
            
                15.90
             |           
            
                16.40
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.86
             |                     
            
                15.80
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.01
             |                     
            
                16.00
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2021
             | 
            
                0.00 / 0.00%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.04
             |                     
            
                16.00
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2021
             | 
            
                -0.10 / -0.62%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.90
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                16.00
             |                                 
            
                4,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2021
             | 
            
                +0.20 / +1.26%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.90
             |                           
            
                16.10
             | 
            
                16.03
             |                     
            
                16.10
             |                                 
            
                11,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2021
             | 
            
                -0.60 / -3.64%
             |             
            
                15.90
             |           
            
                16.30
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.98
             |                     
            
                15.90
             |                                 
            
                6,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2021
             | 
            
                +0.60 / +3.77%
             |             
            
                15.50
             |           
            
                16.90
             |               
            
                15.30
             |                           
            
                16.50
             | 
            
                15.73
             |                     
            
                16.50
             |                                 
            
                12,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2021
             | 
            
                -0.30 / -1.85%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.99
             |                     
            
                15.90
             |                                 
            
                12,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2021
             | 
            
                +0.20 / +1.25%
             |             
            
                16.00
             |           
            
                16.30
             |               
            
                16.00
             |                           
            
                16.20
             | 
            
                16.06
             |                     
            
                16.20
             |                                 
            
                23,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2021
             | 
            
                0.00 / 0.00%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.80
             |                           
            
                16.00
             | 
            
                15.91
             |                     
            
                16.00
             |                                 
            
                21,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2021
             | 
            
                +0.40 / +2.56%
             |             
            
                15.90
             |           
            
                16.00
             |               
            
                15.80
             |                           
            
                16.00
             | 
            
                15.92
             |                     
            
                16.00
             |                                 
            
                6,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2021
             | 
            
                +0.10 / +0.65%
             |             
            
                16.00
             |           
            
                16.20
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.74
             |                     
            
                15.60
             |                                 
            
                9,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.10
             |                           
            
                15.50
             | 
            
                15.26
             |                     
            
                15.50
             |                                 
            
                8,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2021
             | 
            
                -0.10 / -0.64%
             |             
            
                15.60
             |           
            
                15.60
             |               
            
                15.30
             |                           
            
                15.50
             | 
            
                15.45
             |                     
            
                15.50
             |                                 
            
                9,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.60
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                15.60
             |                                 
            
                18,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2021
             | 
            
                +0.10 / +0.65%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.72
             |                     
            
                15.60
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.20
             |           
            
                15.80
             |               
            
                14.85
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                15.50
             |                                 
            
                19,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.15
             |                           
            
                15.50
             | 
            
                15.26
             |                     
            
                15.50
             |                                 
            
                17,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                -0.10 / -0.64%
             |             
            
                15.55
             |           
            
                15.55
             |               
            
                14.75
             |                           
            
                15.50
             | 
            
                15.15
             |                     
            
                15.50
             |                                 
            
                12,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                -0.20 / -1.27%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.64
             |                     
            
                15.60
             |                                 
            
                7,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                +0.15 / +0.96%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                16.01
             |                     
            
                15.80
             |                                 
            
                13,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                +1.00 / +6.83%
             |             
            
                14.60
             |           
            
                15.65
             |               
            
                14.50
             |                           
            
                15.65
             | 
            
                14.65
             |                     
            
                15.65
             |                                 
            
                75,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |