| 
                 
                    Closing price on 5/30/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.35 | 
                 
                
                    | High | 
                    30.35 | 
                 
                
                    | Low | 
                    30.25 | 
                     
                
                    | Volume | 
                    300 | 
                                 
                
                    | Split-adjusted Price | 
                    30.25 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/30/2022
             | 
            
                -0.10 / -0.33%
             |             
            
                30.35
             |           
            
                30.35
             |               
            
                30.25
             |                           
            
                30.25
             | 
            
                30.25
             |                     
            
                30.25
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2022
             | 
            
                -0.05 / -0.16%
             |             
            
                29.80
             |           
            
                30.40
             |               
            
                29.50
             |                           
            
                30.35
             | 
            
                29.67
             |                     
            
                30.35
             |                                 
            
                15,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2022
             | 
            
                +0.30 / +1.00%
             |             
            
                29.80
             |           
            
                30.50
             |               
            
                29.70
             |                           
            
                30.40
             | 
            
                29.85
             |                     
            
                30.40
             |                                 
            
                35,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2022
             | 
            
                -0.70 / -2.27%
             |             
            
                29.50
             |           
            
                31.00
             |               
            
                29.50
             |                           
            
                30.10
             | 
            
                30.21
             |                     
            
                30.10
             |                                 
            
                16,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2022
             | 
            
                -0.20 / -0.65%
             |             
            
                30.90
             |           
            
                31.00
             |               
            
                29.00
             |                           
            
                30.80
             | 
            
                30.28
             |                     
            
                30.80
             |                                 
            
                27,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2022
             | 
            
                -0.10 / -0.32%
             |             
            
                32.40
             |           
            
                32.40
             |               
            
                29.80
             |                           
            
                31.00
             | 
            
                29.99
             |                     
            
                31.00
             |                                 
            
                7,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2022
             | 
            
                -0.05 / -0.16%
             |             
            
                30.00
             |           
            
                31.10
             |               
            
                29.70
             |                           
            
                31.10
             | 
            
                30.23
             |                     
            
                31.10
             |                                 
            
                14,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2022
             | 
            
                -0.25 / -0.80%
             |             
            
                29.60
             |           
            
                31.20
             |               
            
                29.60
             |                           
            
                31.15
             | 
            
                30.95
             |                     
            
                31.15
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2022
             | 
            
                +0.50 / +1.62%
             |             
            
                30.60
             |           
            
                31.40
             |               
            
                30.00
             |                           
            
                31.40
             | 
            
                30.75
             |                     
            
                31.40
             |                                 
            
                42,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2022
             | 
            
                +0.05 / +0.16%
             |             
            
                30.70
             |           
            
                31.00
             |               
            
                30.10
             |                           
            
                30.90
             | 
            
                30.49
             |                     
            
                30.90
             |                                 
            
                15,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2022
             | 
            
                -0.85 / -2.68%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                29.60
             |                           
            
                30.85
             | 
            
                30.04
             |                     
            
                30.85
             |                                 
            
                17,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2022
             | 
            
                -0.10 / -0.31%
             |             
            
                30.00
             |           
            
                31.80
             |               
            
                29.60
             |                           
            
                31.70
             | 
            
                30.68
             |                     
            
                31.70
             |                                 
            
                36,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2022
             | 
            
                +0.30 / +0.95%
             |             
            
                31.40
             |           
            
                32.30
             |               
            
                29.45
             |                           
            
                31.80
             | 
            
                30.77
             |                     
            
                31.80
             |                                 
            
                25,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2022
             | 
            
                +0.60 / +1.94%
             |             
            
                30.50
             |           
            
                31.50
             |               
            
                30.50
             |                           
            
                31.50
             | 
            
                30.73
             |                     
            
                31.50
             |                                 
            
                59,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2022
             | 
            
                +1.10 / +3.69%
             |             
            
                29.60
             |           
            
                30.90
             |               
            
                29.60
             |                           
            
                30.90
             | 
            
                29.88
             |                     
            
                30.90
             |                                 
            
                7,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2022
             | 
            
                -1.85 / -5.85%
             |             
            
                29.70
             |           
            
                30.05
             |               
            
                29.50
             |                           
            
                29.80
             | 
            
                29.82
             |                     
            
                29.80
             |                                 
            
                13,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2022
             | 
            
                -0.35 / -1.09%
             |             
            
                30.15
             |           
            
                31.65
             |               
            
                30.15
             |                           
            
                31.65
             | 
            
                30.78
             |                     
            
                31.65
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2022
             | 
            
                +0.25 / +0.79%
             |             
            
                31.75
             |           
            
                32.00
             |               
            
                30.00
             |                           
            
                32.00
             | 
            
                30.84
             |                     
            
                32.00
             |                                 
            
                17,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2022
             | 
            
                +0.75 / +2.42%
             |             
            
                31.00
             |           
            
                31.80
             |               
            
                31.00
             |                           
            
                31.75
             | 
            
                31.68
             |                     
            
                31.75
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2022
             | 
            
                +0.20 / +0.65%
             |             
            
                29.10
             |           
            
                31.00
             |               
            
                29.10
             |                           
            
                31.00
             | 
            
                30.72
             |                     
            
                31.00
             |                                 
            
                22,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2022
             | 
            
                0.00 / 0.00%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                29.00
             |                           
            
                30.80
             | 
            
                29.78
             |                     
            
                30.80
             |                                 
            
                23,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2022
             | 
            
                0.00 / 0.00%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.91
             |                     
            
                30.80
             |                                 
            
                66,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2022
             | 
            
                -1.60 / -4.94%
             |             
            
                30.15
             |           
            
                30.90
             |               
            
                30.15
             |                           
            
                30.80
             | 
            
                30.50
             |                     
            
                30.80
             |                                 
            
                68,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2022
             | 
            
                -0.10 / -0.31%
             |             
            
                31.00
             |           
            
                32.40
             |               
            
                30.25
             |                           
            
                32.40
             | 
            
                30.79
             |                     
            
                32.40
             |                                 
            
                33,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2022
             | 
            
                -0.30 / -0.91%
             |             
            
                32.80
             |           
            
                32.80
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                32.50
             |                                 
            
                23,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2022
             | 
            
                +1.80 / +5.81%
             |             
            
                31.00
             |           
            
                32.80
             |               
            
                28.85
             |                           
            
                32.80
             | 
            
                29.80
             |                     
            
                32.80
             |                                 
            
                66,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2022
             | 
            
                -1.50 / -4.62%
             |             
            
                31.50
             |           
            
                32.40
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.51
             |                     
            
                31.00
             |                                 
            
                39,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2022
             | 
            
                -0.60 / -1.81%
             |             
            
                31.50
             |           
            
                32.80
             |               
            
                31.50
             |                           
            
                32.50
             | 
            
                31.70
             |                     
            
                32.50
             |                                 
            
                17,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2022
             | 
            
                -0.10 / -0.30%
             |             
            
                32.10
             |           
            
                33.10
             |               
            
                31.80
             |                           
            
                33.10
             | 
            
                32.21
             |                     
            
                33.10
             |                                 
            
                13,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2022
             | 
            
                +0.20 / +0.61%
             |             
            
                33.00
             |           
            
                33.50
             |               
            
                32.10
             |                           
            
                33.20
             | 
            
                32.66
             |                     
            
                33.20
             |                                 
            
                46,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |