| 
                 
                    Closing price on 1/28/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    31.50 | 
                 
                
                    | High | 
                    31.50 | 
                 
                
                    | Low | 
                    29.00 | 
                     
                
                    | Volume | 
                    8,100 | 
                                 
                
                    | Split-adjusted Price | 
                    30.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/28/2022
             | 
            
                -1.05 / -3.38%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                29.00
             |                           
            
                30.00
             | 
            
                29.95
             |                     
            
                30.00
             |                                 
            
                8,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2022
             | 
            
                +1.15 / +3.85%
             |             
            
                31.80
             |           
            
                31.80
             |               
            
                31.05
             |                           
            
                31.05
             | 
            
                31.41
             |                     
            
                31.05
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2022
             | 
            
                -0.55 / -1.81%
             |             
            
                30.35
             |           
            
                30.35
             |               
            
                28.60
             |                           
            
                29.90
             | 
            
                29.19
             |                     
            
                29.90
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2022
             | 
            
                -0.55 / -1.77%
             |             
            
                30.00
             |           
            
                30.45
             |               
            
                29.00
             |                           
            
                30.45
             | 
            
                29.62
             |                     
            
                30.45
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2022
             | 
            
                +1.80 / +6.16%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.15
             |                     
            
                31.00
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2022
             | 
            
                -1.20 / -3.95%
             |             
            
                30.40
             |           
            
                30.40
             |               
            
                29.10
             |                           
            
                29.20
             | 
            
                29.25
             |                     
            
                29.20
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2022
             | 
            
                -1.15 / -3.65%
             |             
            
                30.30
             |           
            
                30.50
             |               
            
                29.40
             |                           
            
                30.40
             | 
            
                29.78
             |                     
            
                30.40
             |                                 
            
                16,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2022
             | 
            
                +0.55 / +1.77%
             |             
            
                31.50
             |           
            
                31.55
             |               
            
                31.50
             |                           
            
                31.55
             | 
            
                31.51
             |                     
            
                31.55
             |                                 
            
                5,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2022
             | 
            
                -1.15 / -3.58%
             |             
            
                30.10
             |           
            
                31.00
             |               
            
                30.10
             |                           
            
                31.00
             | 
            
                30.22
             |                     
            
                31.00
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2022
             | 
            
                0.00 / 0.00%
             |             
            
                32.15
             |           
            
                33.00
             |               
            
                32.15
             |                           
            
                32.15
             | 
            
                32.28
             |                     
            
                32.15
             |                                 
            
                16,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2022
             | 
            
                +2.10 / +6.99%
             |             
            
                30.05
             |           
            
                32.15
             |               
            
                30.05
             |                           
            
                32.15
             | 
            
                31.05
             |                     
            
                32.15
             |                                 
            
                43,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2022
             | 
            
                +0.05 / +0.17%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.00
             |                           
            
                30.05
             | 
            
                30.10
             |                     
            
                30.05
             |                                 
            
                20,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2022
             | 
            
                +0.90 / +3.09%
             |             
            
                28.10
             |           
            
                30.00
             |               
            
                28.10
             |                           
            
                30.00
             | 
            
                29.61
             |                     
            
                30.00
             |                                 
            
                25,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2022
             | 
            
                -0.20 / -0.68%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.10
             |                           
            
                29.10
             | 
            
                29.71
             |                     
            
                29.10
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2022
             | 
            
                -1.20 / -3.93%
             |             
            
                30.25
             |           
            
                30.50
             |               
            
                29.30
             |                           
            
                29.30
             | 
            
                30.08
             |                     
            
                29.30
             |                                 
            
                12,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2022
             | 
            
                -0.10 / -0.33%
             |             
            
                30.60
             |           
            
                30.60
             |               
            
                30.20
             |                           
            
                30.50
             | 
            
                30.47
             |                     
            
                30.50
             |                                 
            
                12,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2022
             | 
            
                -0.35 / -1.13%
             |             
            
                30.85
             |           
            
                30.85
             |               
            
                30.60
             |                           
            
                30.60
             | 
            
                30.78
             |                     
            
                30.60
             |                                 
            
                5,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2022
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.95
             |               
            
                29.20
             |                           
            
                30.95
             | 
            
                29.68
             |                     
            
                30.95
             |                                 
            
                27,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2022
             | 
            
                +1.95 / +6.72%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.00
             |                           
            
                30.95
             | 
            
                30.88
             |                     
            
                30.95
             |                                 
            
                45,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2021
             | 
            
                -0.80 / -2.68%
             |             
            
                29.00
             |           
            
                29.80
             |               
            
                28.30
             |                           
            
                29.00
             | 
            
                28.90
             |                     
            
                29.00
             |                                 
            
                15,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2021
             | 
            
                +0.80 / +2.76%
             |             
            
                29.00
             |           
            
                29.90
             |               
            
                29.00
             |                           
            
                29.80
             | 
            
                29.35
             |                     
            
                29.80
             |                                 
            
                11,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2021
             | 
            
                +0.50 / +1.75%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.15
             |                     
            
                29.00
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2021
             | 
            
                +1.05 / +3.83%
             |             
            
                27.60
             |           
            
                28.50
             |               
            
                27.60
             |                           
            
                28.50
             | 
            
                28.19
             |                     
            
                28.50
             |                                 
            
                19,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2021
             | 
            
                -0.55 / -1.96%
             |             
            
                29.40
             |           
            
                29.40
             |               
            
                27.40
             |                           
            
                27.45
             | 
            
                28.49
             |                     
            
                27.45
             |                                 
            
                9,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2021
             | 
            
                -1.55 / -5.25%
             |             
            
                29.55
             |           
            
                29.60
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.57
             |                     
            
                28.00
             |                                 
            
                27,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2021
             | 
            
                -0.95 / -3.11%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                29.55
             |                           
            
                29.55
             | 
            
                30.29
             |                     
            
                29.55
             |                                 
            
                7,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                30.40
             |           
            
                30.50
             |               
            
                30.40
             |                           
            
                30.50
             | 
            
                30.49
             |                     
            
                30.50
             |                                 
            
                20,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2021
             | 
            
                0.00 / 0.00%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                29.60
             |                           
            
                30.50
             | 
            
                30.77
             |                     
            
                30.50
             |                                 
            
                11,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2021
             | 
            
                -0.80 / -2.56%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                30.50
             |                                 
            
                14,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2021
             | 
            
                +0.50 / +1.62%
             |             
            
                30.80
             |           
            
                31.45
             |               
            
                29.20
             |                           
            
                31.30
             | 
            
                30.40
             |                     
            
                31.30
             |                                 
            
                25,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |