| 
                 
                    Closing price on 12/24/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.00 | 
                 
                
                    | High | 
                    19.40 | 
                 
                
                    | Low | 
                    18.00 | 
                     
                
                    | Volume | 
                    4,550 | 
                                 
                
                    | Split-adjusted Price | 
                    8.12 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2015
             | 
            
                0.00 / 0.00%
             |             
            
                19.00
             |           
            
                19.10
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.03
             |                     
            
                8.57
             |                                 
            
                6,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2015
             | 
            
                +0.50 / +2.70%
             |             
            
                19.60
             |           
            
                19.60
             |               
            
                18.00
             |                           
            
                19.00
             | 
            
                18.97
             |                     
            
                8.57
             |                                 
            
                5,630
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2015
             | 
            
                +0.90 / +5.11%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.40
             |                           
            
                18.50
             | 
            
                18.48
             |                     
            
                8.34
             |                                 
            
                1,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2015
             | 
            
                -6.40 / -26.67%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                17.60
             |                           
            
                17.60
             | 
            
                17.77
             |                     
            
                7.94
             |                                 
            
                12,390
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2015
             | 
            
                +0.50 / +2.13%
             |             
            
                23.50
             |           
            
                24.00
             |               
            
                22.00
             |                           
            
                24.00
             | 
            
                23.71
             |                     
            
                7.67
             |                                 
            
                171,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2015
             | 
            
                +0.50 / +2.17%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.50
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                7.51
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2015
             | 
            
                -1.00 / -4.17%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.08
             |                     
            
                7.35
             |                                 
            
                520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2015
             | 
            
                +0.50 / +2.13%
             |             
            
                23.50
             |           
            
                24.00
             |               
            
                23.00
             |                           
            
                24.00
             | 
            
                23.57
             |                     
            
                7.67
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2015
             | 
            
                -0.50 / -2.08%
             |             
            
                22.40
             |           
            
                23.50
             |               
            
                22.40
             |                           
            
                23.50
             | 
            
                22.78
             |                     
            
                7.51
             |                                 
            
                2,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2015
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                7.67
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2015
             | 
            
                +1.00 / +4.35%
             |             
            
                24.40
             |           
            
                24.40
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.20
             |                     
            
                7.67
             |                                 
            
                510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2015
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                7.35
             |                                 
            
                106,110
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                7.35
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2015
             | 
            
                0.00 / 0.00%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                7.35
             |                                 
            
                170
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2015
             | 
            
                0.00 / 0.00%
             |             
            
                23.40
             |           
            
                23.50
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.48
             |                     
            
                7.35
             |                                 
            
                108,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2015
             | 
            
                +0.10 / +0.44%
             |             
            
                22.50
             |           
            
                23.00
             |               
            
                22.50
             |                           
            
                23.00
             | 
            
                22.75
             |                     
            
                7.35
             |                                 
            
                2,180
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                22.90
             |           
            
                22.90
             |               
            
                22.90
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                7.32
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2015
             | 
            
                -1.10 / -4.58%
             |             
            
                23.60
             |           
            
                23.60
             |               
            
                22.40
             |                           
            
                22.90
             | 
            
                22.85
             |                     
            
                7.32
             |                                 
            
                3,020
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2015
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                7.67
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2015
             | 
            
                +1.00 / +4.35%
             |             
            
                23.00
             |           
            
                24.00
             |               
            
                23.00
             |                           
            
                24.00
             | 
            
                23.50
             |                     
            
                7.67
             |                                 
            
                30
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2015
             | 
            
                +1.50 / +6.98%
             |             
            
                21.90
             |           
            
                23.00
             |               
            
                21.60
             |                           
            
                23.00
             | 
            
                22.36
             |                     
            
                7.35
             |                                 
            
                16,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2015
             | 
            
                +0.50 / +2.38%
             |             
            
                21.00
             |           
            
                21.50
             |               
            
                21.00
             |                           
            
                21.50
             | 
            
                21.00
             |                     
            
                6.87
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2015
             | 
            
                +0.50 / +2.44%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                6.71
             |                                 
            
                160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2015
             | 
            
                -1.50 / -6.82%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                21.25
             |                     
            
                6.55
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2015
             | 
            
                -0.20 / -0.90%
             |             
            
                21.00
             |           
            
                22.00
             |               
            
                21.00
             |                           
            
                22.00
             | 
            
                21.50
             |                     
            
                7.03
             |                                 
            
                30
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2015
             | 
            
                +0.20 / +0.91%
             |             
            
                22.20
             |           
            
                22.20
             |               
            
                22.20
             |                           
            
                22.20
             | 
            
                22.20
             |                     
            
                7.09
             |                                 
            
                60
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2015
             | 
            
                -0.10 / -0.45%
             |             
            
                22.40
             |           
            
                22.40
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                7.03
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
         
    
    
 |