| 
                 
                    Closing price on 4/3/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.10 | 
                 
                
                    | High | 
                    7.10 | 
                 
                
                    | Low | 
                    6.90 | 
                     
                
                    | Volume | 
                    26,970 | 
                                 
                
                    | Split-adjusted Price | 
                    6.31 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QCG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                26,970
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                37,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                16,770
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                26,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                80,090
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                39,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2013
             | 
            
                +0.10 / +1.45%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                25,530
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                6.22
             |                                 
            
                17,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2013
             | 
            
                -0.10 / -1.43%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                6.22
             |                                 
            
                8,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2013
             | 
            
                +0.10 / +1.45%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                15,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2013
             | 
            
                -0.10 / -1.43%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                6.22
             |                                 
            
                43,190
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2013
             | 
            
                -0.10 / -1.41%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                39,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                7,660
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2013
             | 
            
                -0.10 / -1.39%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                27,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2013
             | 
            
                +0.20 / +2.86%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.49
             |                                 
            
                45,040
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2013
             | 
            
                -0.10 / -1.41%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.31
             |                                 
            
                18,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                47,210
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2013
             | 
            
                +0.40 / +5.97%
             |             
            
                6.70
             |           
            
                7.10
             |               
            
                6.70
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                71,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2013
             | 
            
                +0.10 / +1.52%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                6.04
             |                                 
            
                32,970
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2013
             | 
            
                -0.20 / -2.94%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                5.95
             |                                 
            
                80,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2013
             | 
            
                +0.10 / +1.49%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.50
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                6.13
             |                                 
            
                70,950
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2013
             | 
            
                -0.40 / -5.63%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                6.04
             |                                 
            
                65,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2013
             | 
            
                -0.40 / -5.33%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                80,440
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.76
             |                                 
            
                129,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                +0.40 / +5.63%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.76
             |                                 
            
                208,670
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                48,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -0.20 / -2.74%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                6.40
             |                                 
            
                74,770
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.58
             |                                 
            
                41,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |