| 
                 
                    Closing price on 12/30/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    16.50 | 
                 
                
                    | High | 
                    16.50 | 
                 
                
                    | Low | 
                    15.50 | 
                     
                
                    | Volume | 
                    74,700 | 
                                 
                
                    | Split-adjusted Price | 
                    16.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                15.50
             |                           
            
                16.50
             | 
            
                16.25
             |                     
            
                16.50
             |                                 
            
                74,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                15.45
             |           
            
                16.50
             |               
            
                15.45
             |                           
            
                16.50
             | 
            
                15.53
             |                     
            
                16.50
             |                                 
            
                2,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2019
             | 
            
                +0.50 / +3.13%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                16.50
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                16.50
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2019
             | 
            
                -0.45 / -2.74%
             |             
            
                15.45
             |           
            
                16.00
             |               
            
                15.40
             |                           
            
                16.00
             | 
            
                15.46
             |                     
            
                16.00
             |                                 
            
                24,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2019
             | 
            
                +1.00 / +6.47%
             |             
            
                15.45
             |           
            
                16.45
             |               
            
                15.45
             |                           
            
                16.45
             | 
            
                15.84
             |                     
            
                16.45
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                16.00
             |               
            
                14.80
             |                           
            
                15.45
             | 
            
                15.57
             |                     
            
                15.45
             |                                 
            
                3,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2019
             | 
            
                -0.55 / -3.44%
             |             
            
                15.80
             |           
            
                15.90
             |               
            
                15.45
             |                           
            
                15.45
             | 
            
                15.52
             |                     
            
                15.45
             |                                 
            
                36,990
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                16.00
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2019
             | 
            
                +0.20 / +1.27%
             |             
            
                15.80
             |           
            
                16.90
             |               
            
                15.80
             |                           
            
                16.00
             | 
            
                16.47
             |                     
            
                16.00
             |                                 
            
                13,240
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2019
             | 
            
                +0.65 / +4.29%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                15.20
             |                           
            
                15.80
             | 
            
                15.87
             |                     
            
                15.80
             |                                 
            
                630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2019
             | 
            
                -0.25 / -1.62%
             |             
            
                15.75
             |           
            
                15.80
             |               
            
                15.15
             |                           
            
                15.15
             | 
            
                15.75
             |                     
            
                15.15
             |                                 
            
                10,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2019
             | 
            
                +0.30 / +1.99%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.30
             |                           
            
                15.40
             | 
            
                15.43
             |                     
            
                15.40
             |                                 
            
                1,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2019
             | 
            
                +0.85 / +5.96%
             |             
            
                15.15
             |           
            
                15.20
             |               
            
                14.25
             |                           
            
                15.10
             | 
            
                14.93
             |                     
            
                15.10
             |                                 
            
                5,370
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2019
             | 
            
                -0.45 / -3.06%
             |             
            
                14.80
             |           
            
                15.30
             |               
            
                14.25
             |                           
            
                14.25
             | 
            
                14.96
             |                     
            
                14.25
             |                                 
            
                3,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2019
             | 
            
                -1.10 / -6.96%
             |             
            
                14.70
             |           
            
                15.45
             |               
            
                14.70
             |                           
            
                14.70
             | 
            
                14.89
             |                     
            
                14.70
             |                                 
            
                560
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2019
             | 
            
                +0.80 / +5.33%
             |             
            
                14.00
             |           
            
                15.80
             |               
            
                14.00
             |                           
            
                15.80
             | 
            
                15.06
             |                     
            
                15.80
             |                                 
            
                3,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2019
             | 
            
                +0.15 / +1.01%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.25
             |                     
            
                15.00
             |                                 
            
                670
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2019
             | 
            
                +0.95 / +6.83%
             |             
            
                13.70
             |           
            
                14.85
             |               
            
                13.70
             |                           
            
                14.85
             | 
            
                14.43
             |                     
            
                14.85
             |                                 
            
                6,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                13.90
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2019
             | 
            
                -0.60 / -4.14%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                13.60
             |                           
            
                13.90
             | 
            
                13.76
             |                     
            
                13.90
             |                                 
            
                7,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2019
             | 
            
                +0.10 / +0.69%
             |             
            
                14.50
             |           
            
                15.00
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.52
             |                     
            
                14.50
             |                                 
            
                17,010
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2019
             | 
            
                +0.50 / +3.60%
             |             
            
                14.20
             |           
            
                14.40
             |               
            
                14.20
             |                           
            
                14.40
             | 
            
                14.30
             |                     
            
                14.40
             |                                 
            
                30
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.90
             |           
            
                14.50
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                13.98
             |                     
            
                13.90
             |                                 
            
                7,010
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                13.90
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2019
             | 
            
                +0.70 / +5.30%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                13.20
             |                           
            
                13.90
             | 
            
                13.73
             |                     
            
                13.90
             |                                 
            
                2,520
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2019
             | 
            
                -0.30 / -2.22%
             |             
            
                13.20
             |           
            
                13.20
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                13.20
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.45
             |           
            
                13.50
             |               
            
                13.40
             |                           
            
                13.50
             | 
            
                13.46
             |                     
            
                13.50
             |                                 
            
                3,240
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2019
             | 
            
                +0.05 / +0.37%
             |             
            
                13.20
             |           
            
                13.50
             |               
            
                13.20
             |                           
            
                13.50
             | 
            
                13.38
             |                     
            
                13.50
             |                                 
            
                18,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2019
             | 
            
                +0.05 / +0.37%
             |             
            
                13.45
             |           
            
                13.45
             |               
            
                13.45
             |                           
            
                13.45
             | 
            
                13.45
             |                     
            
                13.45
             |                                 
            
                1,220
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2019
             | 
            
                -0.20 / -1.47%
             |             
            
                13.35
             |           
            
                13.40
             |               
            
                13.35
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                13.40
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |