| 
                 
                    Closing price on 2/2/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.50 | 
                 
                
                    | High | 
                    14.60 | 
                 
                
                    | Low | 
                    14.50 | 
                     
                
                    | Volume | 
                    1,030 | 
                                 
                
                    | Split-adjusted Price | 
                    6.58 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/2/2016
             | 
            
                -0.90 / -5.81%
             |             
            
                14.50
             |           
            
                14.60
             |               
            
                14.50
             |                           
            
                14.60
             | 
            
                14.56
             |                     
            
                6.58
             |                                 
            
                1,030
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                6.99
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                6.99
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.50
             |               
            
                15.00
             |                           
            
                15.50
             | 
            
                15.00
             |                     
            
                6.99
             |                                 
            
                6,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                14.50
             |                           
            
                15.50
             | 
            
                15.27
             |                     
            
                6.99
             |                                 
            
                19,450
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                16.00
             |               
            
                14.50
             |                           
            
                15.50
             | 
            
                14.78
             |                     
            
                6.99
             |                                 
            
                309,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.40
             |           
            
                15.50
             |               
            
                15.40
             |                           
            
                15.50
             | 
            
                15.45
             |                     
            
                6.99
             |                                 
            
                245,040
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2016
             | 
            
                +0.70 / +4.73%
             |             
            
                14.50
             |           
            
                15.50
             |               
            
                14.00
             |                           
            
                15.50
             | 
            
                14.54
             |                     
            
                6.99
             |                                 
            
                6,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2016
             | 
            
                -0.20 / -1.33%
             |             
            
                14.90
             |           
            
                15.00
             |               
            
                14.00
             |                           
            
                14.80
             | 
            
                14.99
             |                     
            
                6.68
             |                                 
            
                2,030
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2016
             | 
            
                0.00 / 0.00%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.01
             |                     
            
                6.77
             |                                 
            
                3,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                6.77
             |                                 
            
                150
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2016
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                15.10
             |               
            
                14.00
             |                           
            
                15.00
             | 
            
                14.70
             |                     
            
                6.77
             |                                 
            
                16,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2016
             | 
            
                +0.40 / +2.74%
             |             
            
                14.60
             |           
            
                15.00
             |               
            
                14.60
             |                           
            
                15.00
             | 
            
                14.97
             |                     
            
                6.77
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2016
             | 
            
                -0.90 / -5.81%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                14.61
             |                     
            
                6.58
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2016
             | 
            
                -0.40 / -2.52%
             |             
            
                15.50
             |           
            
                15.90
             |               
            
                15.10
             |                           
            
                15.50
             | 
            
                15.46
             |                     
            
                6.99
             |                                 
            
                7,570
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.80
             |                           
            
                15.90
             | 
            
                15.88
             |                     
            
                7.17
             |                                 
            
                640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                7.17
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2016
             | 
            
                +0.70 / +4.61%
             |             
            
                14.60
             |           
            
                15.90
             |               
            
                14.30
             |                           
            
                15.90
             | 
            
                14.53
             |                     
            
                7.17
             |                                 
            
                1,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2016
             | 
            
                -1.10 / -6.75%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                16.05
             |                     
            
                6.86
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2016
             | 
            
                -1.20 / -6.86%
             |             
            
                16.30
             |           
            
                16.90
             |               
            
                16.30
             |                           
            
                16.30
             | 
            
                16.31
             |                     
            
                7.35
             |                                 
            
                5,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                16.80
             |           
            
                17.50
             |               
            
                16.50
             |                           
            
                17.50
             | 
            
                17.08
             |                     
            
                7.89
             |                                 
            
                490
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                17.50
             |           
            
                17.50
             |               
            
                17.50
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                7.89
             |                                 
            
                40
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/31/2015
             | 
            
                +0.70 / +4.17%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                16.00
             |                           
            
                17.50
             | 
            
                16.51
             |                     
            
                7.89
             |                                 
            
                711,260
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2015
             | 
            
                -0.50 / -2.89%
             |             
            
                17.30
             |           
            
                18.00
             |               
            
                16.50
             |                           
            
                16.80
             | 
            
                16.84
             |                     
            
                7.58
             |                                 
            
                10,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2015
             | 
            
                -0.30 / -1.70%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.30
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                7.80
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2015
             | 
            
                +0.80 / +4.76%
             |             
            
                17.00
             |           
            
                17.60
             |               
            
                17.00
             |                           
            
                17.60
             | 
            
                17.21
             |                     
            
                7.94
             |                                 
            
                1,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/25/2015
             | 
            
                -1.20 / -6.67%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                16.80
             |                           
            
                16.80
             | 
            
                17.16
             |                     
            
                7.58
             |                                 
            
                1,690
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2015
             | 
            
                -0.80 / -4.26%
             |             
            
                19.00
             |           
            
                19.40
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.90
             |                     
            
                8.12
             |                                 
            
                4,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2015
             | 
            
                -0.20 / -1.05%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                17.80
             |                           
            
                18.80
             | 
            
                18.22
             |                     
            
                8.48
             |                                 
            
                7,960
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                8.57
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
         
    
    
 |