| 
                 
                    Closing price on 8/8/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.50 | 
                 
                
                    | High | 
                    14.55 | 
                 
                
                    | Low | 
                    13.30 | 
                     
                
                    | Volume | 
                    28,100 | 
                                 
                
                    | Split-adjusted Price | 
                    14.35 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/8/2019
             | 
            
                +0.75 / +5.51%
             |             
            
                13.50
             |           
            
                14.55
             |               
            
                13.30
             |                           
            
                14.35
             | 
            
                13.74
             |                     
            
                14.35
             |                                 
            
                28,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2019
             | 
            
                +0.40 / +3.03%
             |             
            
                13.00
             |           
            
                13.70
             |               
            
                13.00
             |                           
            
                13.60
             | 
            
                13.36
             |                     
            
                13.60
             |                                 
            
                37,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2019
             | 
            
                +0.15 / +1.15%
             |             
            
                12.95
             |           
            
                13.20
             |               
            
                12.95
             |                           
            
                13.20
             | 
            
                13.08
             |                     
            
                13.20
             |                                 
            
                1,710
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2019
             | 
            
                +0.05 / +0.38%
             |             
            
                12.95
             |           
            
                13.20
             |               
            
                12.55
             |                           
            
                13.05
             | 
            
                12.74
             |                     
            
                13.05
             |                                 
            
                4,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                12.55
             |                           
            
                13.00
             | 
            
                13.09
             |                     
            
                13.00
             |                                 
            
                270
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.50
             |                           
            
                13.00
             | 
            
                12.85
             |                     
            
                13.00
             |                                 
            
                2,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2019
             | 
            
                -0.40 / -2.99%
             |             
            
                13.10
             |           
            
                13.40
             |               
            
                12.50
             |                           
            
                13.00
             | 
            
                12.88
             |                     
            
                13.00
             |                                 
            
                10,870
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.40
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                13.40
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2019
             | 
            
                -0.15 / -1.11%
             |             
            
                13.55
             |           
            
                13.55
             |               
            
                13.05
             |                           
            
                13.40
             | 
            
                13.39
             |                     
            
                13.40
             |                                 
            
                440
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2019
             | 
            
                +0.05 / +0.37%
             |             
            
                12.75
             |           
            
                13.55
             |               
            
                12.75
             |                           
            
                13.55
             | 
            
                13.55
             |                     
            
                13.55
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2019
             | 
            
                +0.80 / +6.30%
             |             
            
                12.60
             |           
            
                13.55
             |               
            
                12.20
             |                           
            
                13.50
             | 
            
                12.96
             |                     
            
                13.50
             |                                 
            
                40
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2019
             | 
            
                -0.95 / -6.96%
             |             
            
                13.55
             |           
            
                13.55
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.91
             |                     
            
                12.70
             |                                 
            
                7,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.65
             |           
            
                13.65
             |               
            
                13.65
             |                           
            
                13.65
             | 
            
                13.65
             |                     
            
                13.65
             |                                 
            
                8,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2019
             | 
            
                +0.75 / +5.81%
             |             
            
                12.90
             |           
            
                13.65
             |               
            
                12.60
             |                           
            
                13.65
             | 
            
                13.20
             |                     
            
                13.65
             |                                 
            
                8,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2019
             | 
            
                -0.10 / -0.77%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                12.95
             |                     
            
                12.90
             |                                 
            
                330
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.45
             |           
            
                13.45
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.23
             |                     
            
                13.00
             |                                 
            
                130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2019
             | 
            
                -0.50 / -3.70%
             |             
            
                13.70
             |           
            
                13.70
             |               
            
                12.75
             |                           
            
                13.00
             | 
            
                12.77
             |                     
            
                13.00
             |                                 
            
                2,740
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                12.60
             |           
            
                13.60
             |               
            
                12.60
             |                           
            
                13.50
             | 
            
                12.97
             |                     
            
                13.50
             |                                 
            
                2,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2019
             | 
            
                +0.50 / +3.85%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                13.50
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2019
             | 
            
                -0.60 / -4.41%
             |             
            
                13.30
             |           
            
                13.45
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.04
             |                     
            
                13.00
             |                                 
            
                14,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2019
             | 
            
                +0.25 / +1.87%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                13.60
             |                           
            
                13.60
             | 
            
                13.60
             |                     
            
                13.60
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.35
             |           
            
                13.35
             |               
            
                13.35
             |                           
            
                13.35
             | 
            
                13.35
             |                     
            
                13.35
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2019
             | 
            
                -0.05 / -0.37%
             |             
            
                13.00
             |           
            
                13.35
             |               
            
                13.00
             |                           
            
                13.35
             | 
            
                13.18
             |                     
            
                13.35
             |                                 
            
                240
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.40
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                13.40
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2019
             | 
            
                +0.45 / +3.47%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.40
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                13.40
             |                                 
            
                50
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2019
             | 
            
                +0.75 / +6.15%
             |             
            
                12.65
             |           
            
                13.00
             |               
            
                12.20
             |                           
            
                12.95
             | 
            
                12.70
             |                     
            
                12.95
             |                                 
            
                3,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2019
             | 
            
                -0.80 / -6.15%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                12.20
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.25
             |                     
            
                13.00
             |                                 
            
                730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2019
             | 
            
                -0.80 / -5.80%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.45
             |                     
            
                13.00
             |                                 
            
                770
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2019
             | 
            
                +0.40 / +2.99%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                13.80
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
         
    
    
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