| 
                 
                    Closing price on 2/22/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.30 | 
                 
                
                    | High | 
                    7.50 | 
                 
                
                    | Low | 
                    7.20 | 
                     
                
                    | Volume | 
                    23,730 | 
                                 
                
                    | Split-adjusted Price | 
                    6.58 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QCG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                23,730
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2013
             | 
            
                -0.50 / -6.41%
             |             
            
                7.60
             |           
            
                7.80
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                98,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2013
             | 
            
                -0.10 / -1.27%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                7.03
             |                                 
            
                65,970
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2013
             | 
            
                -0.10 / -1.25%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.12
             |                                 
            
                58,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2013
             | 
            
                +0.10 / +1.27%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.21
             |                                 
            
                111,940
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2013
             | 
            
                +0.20 / +2.60%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.12
             |                                 
            
                91,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2013
             | 
            
                +0.40 / +5.48%
             |             
            
                7.30
             |           
            
                7.70
             |               
            
                7.20
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                6.94
             |                                 
            
                153,560
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2013
             | 
            
                +0.10 / +1.39%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                35,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2013
             | 
            
                -0.10 / -1.37%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.49
             |                                 
            
                3,870
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                19,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                20,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                19,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2013
             | 
            
                +0.30 / +4.29%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                6.90
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                21,180
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2013
             | 
            
                -0.40 / -5.41%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                58,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.67
             |                                 
            
                59,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2013
             | 
            
                +0.30 / +4.23%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.67
             |                                 
            
                23,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2013
             | 
            
                -0.30 / -4.05%
             |             
            
                7.10
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                43,260
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.67
             |                                 
            
                17,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2013
             | 
            
                -0.20 / -2.63%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.67
             |                                 
            
                53,780
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2013
             | 
            
                -0.20 / -2.56%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                6.85
             |                                 
            
                84,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2013
             | 
            
                -0.10 / -1.27%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                7.03
             |                                 
            
                77,490
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.12
             |                                 
            
                133,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                8.10
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.12
             |                                 
            
                212,110
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2013
             | 
            
                +0.50 / +6.76%
             |             
            
                7.40
             |           
            
                7.90
             |               
            
                7.30
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.12
             |                                 
            
                367,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2013
             | 
            
                +0.10 / +1.37%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.67
             |                                 
            
                77,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2013
             | 
            
                -0.30 / -3.95%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                214,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                6.85
             |                                 
            
                387,590
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2013
             | 
            
                -0.30 / -3.80%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                6.85
             |                                 
            
                386,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2013
             | 
            
                -0.10 / -1.25%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.12
             |                                 
            
                242,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2013
             | 
            
                -0.10 / -1.23%
             |             
            
                7.90
             |           
            
                8.30
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.21
             |                                 
            
                247,180
             |  
            
                 
             |                                                              
             
    
         
    
    
 |