| 
                 
                    Closing price on 12/9/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.00 | 
                 
                
                    | High | 
                    15.80 | 
                 
                
                    | Low | 
                    14.00 | 
                     
                
                    | Volume | 
                    3,320 | 
                                 
                
                    | Split-adjusted Price | 
                    15.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2019
             | 
            
                -0.10 / -0.73%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                12.80
             |                           
            
                13.60
             | 
            
                12.97
             |                     
            
                13.60
             |                                 
            
                3,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                12.80
             |           
            
                13.70
             |               
            
                12.80
             |                           
            
                13.70
             | 
            
                13.64
             |                     
            
                13.70
             |                                 
            
                10,560
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2019
             | 
            
                +0.60 / +4.58%
             |             
            
                13.10
             |           
            
                13.70
             |               
            
                12.50
             |                           
            
                13.70
             | 
            
                13.44
             |                     
            
                13.70
             |                                 
            
                11,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2019
             | 
            
                -0.15 / -1.13%
             |             
            
                13.10
             |           
            
                13.10
             |               
            
                13.10
             |                           
            
                13.10
             | 
            
                13.10
             |                     
            
                13.10
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2019
             | 
            
                +0.70 / +5.58%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                11.85
             |                           
            
                13.25
             | 
            
                12.79
             |                     
            
                13.25
             |                                 
            
                860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2019
             | 
            
                -0.75 / -5.64%
             |             
            
                12.80
             |           
            
                13.30
             |               
            
                12.55
             |                           
            
                12.55
             | 
            
                12.94
             |                     
            
                12.55
             |                                 
            
                4,560
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                13.30
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                13.30
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                12.70
             |           
            
                13.30
             |               
            
                12.70
             |                           
            
                13.30
             | 
            
                12.94
             |                     
            
                13.30
             |                                 
            
                2,550
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                12.45
             |           
            
                13.30
             |               
            
                12.45
             |                           
            
                13.30
             | 
            
                12.64
             |                     
            
                13.30
             |                                 
            
                4,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                12.45
             |                           
            
                13.30
             | 
            
                12.48
             |                     
            
                13.30
             |                                 
            
                6,730
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.25
             |           
            
                13.30
             |               
            
                13.25
             |                           
            
                13.30
             | 
            
                13.28
             |                     
            
                13.30
             |                                 
            
                3,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2019
             | 
            
                -0.10 / -0.75%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                13.30
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                13.30
             |                                 
            
                510
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2019
             | 
            
                +0.20 / +1.52%
             |             
            
                13.20
             |           
            
                13.45
             |               
            
                12.80
             |                           
            
                13.40
             | 
            
                13.12
             |                     
            
                13.40
             |                                 
            
                4,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2019
             | 
            
                -0.15 / -1.12%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                12.80
             |                           
            
                13.20
             | 
            
                13.13
             |                     
            
                13.20
             |                                 
            
                5,240
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2019
             | 
            
                +0.35 / +2.69%
             |             
            
                13.40
             |           
            
                13.50
             |               
            
                12.10
             |                           
            
                13.35
             | 
            
                12.23
             |                     
            
                13.35
             |                                 
            
                1,880
             |  
            
                 
             |                                                              
             
    
         
    
    
 |