| 
                 
                    Closing price on 9/27/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    10.40 | 
                 
                
                    | High | 
                    10.40 | 
                 
                
                    | Low | 
                    10.00 | 
                     
                
                    | Volume | 
                    512,890 | 
                                 
                
                    | Split-adjusted Price | 
                    10.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QBS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/27/2017
             | 
            
                -0.15 / -1.48%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.09
             |                     
            
                10.00
             |                                 
            
                512,890
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2017
             | 
            
                -0.15 / -1.46%
             |             
            
                10.30
             |           
            
                10.60
             |               
            
                10.15
             |                           
            
                10.15
             | 
            
                10.30
             |                     
            
                10.15
             |                                 
            
                666,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2017
             | 
            
                +0.10 / +0.98%
             |             
            
                10.30
             |           
            
                10.70
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.41
             |                     
            
                10.30
             |                                 
            
                803,540
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2017
             | 
            
                +0.30 / +3.03%
             |             
            
                9.90
             |           
            
                10.20
             |               
            
                9.80
             |                           
            
                10.20
             | 
            
                10.00
             |                     
            
                10.20
             |                                 
            
                605,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2017
             | 
            
                -0.30 / -2.94%
             |             
            
                10.20
             |           
            
                10.30
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                10.08
             |                     
            
                9.90
             |                                 
            
                486,660
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2017
             | 
            
                -0.20 / -1.92%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                10.10
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                10.20
             |                                 
            
                357,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.55
             |               
            
                10.25
             |                           
            
                10.40
             | 
            
                10.39
             |                     
            
                10.40
             |                                 
            
                495,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2017
             | 
            
                +0.20 / +1.96%
             |             
            
                10.00
             |           
            
                10.50
             |               
            
                9.81
             |                           
            
                10.40
             | 
            
                10.21
             |                     
            
                10.40
             |                                 
            
                849,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2017
             | 
            
                -0.40 / -3.77%
             |             
            
                10.90
             |           
            
                11.00
             |               
            
                10.20
             |                           
            
                10.20
             | 
            
                10.63
             |                     
            
                10.20
             |                                 
            
                1,384,980
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2017
             | 
            
                +0.65 / +6.53%
             |             
            
                9.95
             |           
            
                10.60
             |               
            
                9.95
             |                           
            
                10.60
             | 
            
                10.50
             |                     
            
                10.60
             |                                 
            
                409,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2017
             | 
            
                +0.65 / +6.99%
             |             
            
                9.30
             |           
            
                9.95
             |               
            
                9.30
             |                           
            
                9.95
             | 
            
                9.74
             |                     
            
                9.95
             |                                 
            
                1,587,410
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2017
             | 
            
                +0.02 / +0.22%
             |             
            
                9.28
             |           
            
                9.35
             |               
            
                9.16
             |                           
            
                9.30
             | 
            
                9.23
             |                     
            
                9.30
             |                                 
            
                593,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2017
             | 
            
                +0.13 / +1.42%
             |             
            
                9.20
             |           
            
                9.35
             |               
            
                9.20
             |                           
            
                9.28
             | 
            
                9.25
             |                     
            
                9.28
             |                                 
            
                452,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2017
             | 
            
                -0.06 / -0.65%
             |             
            
                9.20
             |           
            
                9.29
             |               
            
                9.15
             |                           
            
                9.15
             | 
            
                9.21
             |                     
            
                9.15
             |                                 
            
                360,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2017
             | 
            
                -0.14 / -1.50%
             |             
            
                9.35
             |           
            
                9.40
             |               
            
                9.20
             |                           
            
                9.21
             | 
            
                9.27
             |                     
            
                9.21
             |                                 
            
                417,590
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2017
             | 
            
                +0.05 / +0.54%
             |             
            
                9.25
             |           
            
                9.38
             |               
            
                9.25
             |                           
            
                9.35
             | 
            
                9.31
             |                     
            
                9.35
             |                                 
            
                342,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2017
             | 
            
                -0.07 / -0.75%
             |             
            
                9.21
             |           
            
                9.40
             |               
            
                9.21
             |                           
            
                9.30
             | 
            
                9.33
             |                     
            
                9.30
             |                                 
            
                421,420
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2017
             | 
            
                +0.12 / +1.30%
             |             
            
                9.25
             |           
            
                9.38
             |               
            
                9.25
             |                           
            
                9.37
             | 
            
                9.31
             |                     
            
                9.37
             |                                 
            
                342,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2017
             | 
            
                -0.01 / -0.11%
             |             
            
                9.21
             |           
            
                9.35
             |               
            
                9.21
             |                           
            
                9.25
             | 
            
                9.26
             |                     
            
                9.25
             |                                 
            
                315,120
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2017
             | 
            
                -0.24 / -2.53%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.25
             |                           
            
                9.26
             | 
            
                9.34
             |                     
            
                9.26
             |                                 
            
                463,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2017
             | 
            
                +0.09 / +0.96%
             |             
            
                9.40
             |           
            
                9.60
             |               
            
                9.25
             |                           
            
                9.50
             | 
            
                9.32
             |                     
            
                9.50
             |                                 
            
                377,740
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2017
             | 
            
                +0.31 / +3.41%
             |             
            
                9.10
             |           
            
                9.69
             |               
            
                9.10
             |                           
            
                9.41
             | 
            
                9.37
             |                     
            
                9.41
             |                                 
            
                484,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2017
             | 
            
                -0.20 / -2.15%
             |             
            
                9.11
             |           
            
                9.50
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.20
             |                     
            
                9.10
             |                                 
            
                498,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.35
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.17
             |                     
            
                9.30
             |                                 
            
                573,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2017
             | 
            
                +0.35 / +3.91%
             |             
            
                8.95
             |           
            
                9.40
             |               
            
                8.95
             |                           
            
                9.30
             | 
            
                9.07
             |                     
            
                9.30
             |                                 
            
                1,061,560
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2017
             | 
            
                -0.63 / -6.58%
             |             
            
                9.20
             |           
            
                9.58
             |               
            
                8.92
             |                           
            
                8.95
             | 
            
                9.11
             |                     
            
                8.95
             |                                 
            
                857,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2017
             | 
            
                -0.72 / -6.99%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                9.58
             |                           
            
                9.58
             | 
            
                9.74
             |                     
            
                9.58
             |                                 
            
                951,940
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2017
             | 
            
                -0.20 / -1.90%
             |             
            
                10.40
             |           
            
                10.45
             |               
            
                9.85
             |                           
            
                10.30
             | 
            
                10.09
             |                     
            
                10.30
             |                                 
            
                1,243,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2017
             | 
            
                -0.75 / -6.67%
             |             
            
                11.25
             |           
            
                11.30
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.79
             |                     
            
                10.50
             |                                 
            
                695,440
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2017
             | 
            
                +0.55 / +5.14%
             |             
            
                10.70
             |           
            
                11.35
             |               
            
                10.65
             |                           
            
                11.25
             | 
            
                10.97
             |                     
            
                11.25
             |                                 
            
                572,550
             |  
            
                 
             |                                                              
             
    
         
    
    
 |