| 
                 
                    Closing price on 10/19/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.20 | 
                 
                
                    | High | 
                    7.20 | 
                 
                
                    | Low | 
                    6.80 | 
                     
                
                    | Volume | 
                    60,460 | 
                                 
                
                    | Split-adjusted Price | 
                    6.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QCG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                60,460
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                12,610
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2012
             | 
            
                -0.10 / -1.39%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                46,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2012
             | 
            
                -0.10 / -1.37%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.49
             |                                 
            
                43,370
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                7,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2012
             | 
            
                +0.30 / +4.29%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                134,720
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                102,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                139,340
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                15,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                34,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                34,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2012
             | 
            
                +0.10 / +1.45%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                99,620
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2012
             | 
            
                -0.10 / -1.43%
             |             
            
                6.80
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                6.22
             |                                 
            
                8,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2012
             | 
            
                -0.10 / -1.41%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                18,150
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2012
             | 
            
                -0.10 / -1.39%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                46,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.49
             |                                 
            
                14,830
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2012
             | 
            
                +0.10 / +1.41%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.49
             |                                 
            
                90,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2012
             | 
            
                +0.10 / +1.43%
             |             
            
                6.70
             |           
            
                7.10
             |               
            
                6.70
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                137,720
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2012
             | 
            
                +0.10 / +1.45%
             |             
            
                6.60
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                388,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                6.22
             |                                 
            
                31,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2012
             | 
            
                -0.10 / -1.43%
             |             
            
                6.70
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                6.22
             |                                 
            
                39,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                49,520
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2012
             | 
            
                -0.30 / -4.11%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                8,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                16,150
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2012
             | 
            
                +0.20 / +2.82%
             |             
            
                6.80
             |           
            
                7.30
             |               
            
                6.80
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                139,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                56,110
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2012
             | 
            
                -0.30 / -4.05%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                1,112,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2012
             | 
            
                -0.30 / -3.90%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.67
             |                                 
            
                837,940
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2012
             | 
            
                -0.10 / -1.28%
             |             
            
                7.50
             |           
            
                8.10
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                6.94
             |                                 
            
                61,210
             |  
            
                 
             |                                                              
             
    
         
    
    
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