| 
                 
                    Closing price on 3/11/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    36.50 | 
                 
                
                    | High | 
                    39.20 | 
                 
                
                    | Low | 
                    36.50 | 
                     
                
                    | Volume | 
                    1,400 | 
                                 
                
                    | Split-adjusted Price | 
                    5.47 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QTC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/11/2013
             | 
            
                +2.50 / +6.94%
             |             
            
                36.50
             |           
            
                39.20
             |               
            
                36.50
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                5.47
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2013
             | 
            
                +1.30 / +3.75%
             |             
            
                34.70
             |           
            
                36.00
             |               
            
                34.70
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                5.11
             |                                 
            
                5,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2013
             | 
            
                +0.10 / +0.29%
             |             
            
                34.60
             |           
            
                34.70
             |               
            
                34.20
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                4.93
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2013
             | 
            
                +0.10 / +0.29%
             |             
            
                34.60
             |           
            
                34.60
             |               
            
                34.60
             |                           
            
                34.60
             | 
            
                34.60
             |                     
            
                4.91
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2013
             | 
            
                -0.10 / -0.29%
             |             
            
                34.70
             |           
            
                34.70
             |               
            
                34.40
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                4.90
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2013
             | 
            
                +0.10 / +0.29%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.50
             |                           
            
                34.60
             | 
            
                34.60
             |                     
            
                4.91
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2013
             | 
            
                +0.20 / +0.58%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                34.00
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                4.90
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2013
             | 
            
                +0.80 / +2.39%
             |             
            
                33.50
             |           
            
                34.30
             |               
            
                33.50
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                4.87
             |                                 
            
                6,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2013
             | 
            
                +1.50 / +4.69%
             |             
            
                32.80
             |           
            
                33.50
             |               
            
                32.00
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                4.76
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2013
             | 
            
                +0.20 / +0.63%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                4.54
             |                                 
            
                13,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2013
             | 
            
                +1.50 / +4.95%
             |             
            
                31.00
             |           
            
                33.20
             |               
            
                31.00
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                4.52
             |                                 
            
                6,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2013
             | 
            
                -0.50 / -1.62%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                30.30
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                4.30
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2013
             | 
            
                +0.70 / +2.33%
             |             
            
                30.30
             |           
            
                31.50
             |               
            
                30.30
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                4.37
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2013
             | 
            
                -0.90 / -2.90%
             |             
            
                30.10
             |           
            
                30.10
             |               
            
                30.10
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                4.27
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2013
             | 
            
                +0.90 / +2.99%
             |             
            
                30.90
             |           
            
                31.00
             |               
            
                30.90
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                4.40
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2013
             | 
            
                -0.90 / -2.90%
             |             
            
                31.00
             |           
            
                33.00
             |               
            
                30.10
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                4.27
             |                                 
            
                7,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                4.40
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2013
             | 
            
                +1.00 / +3.33%
             |             
            
                29.90
             |           
            
                31.00
             |               
            
                29.90
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                4.40
             |                                 
            
                7,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                4.26
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2013
             | 
            
                +1.80 / +6.38%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                4.26
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2013
             | 
            
                -1.60 / -5.37%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                28.20
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                4.00
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                29.50
             |           
            
                30.30
             |               
            
                29.50
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                4.23
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2013
             | 
            
                +1.00 / +3.47%
             |             
            
                30.00
             |           
            
                30.80
             |               
            
                29.50
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                4.23
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2013
             | 
            
                -1.70 / -5.57%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                28.60
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                4.09
             |                                 
            
                1,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2013
             | 
            
                -0.40 / -1.29%
             |             
            
                30.60
             |           
            
                31.00
             |               
            
                28.00
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                4.33
             |                                 
            
                9,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2013
             | 
            
                +1.00 / +3.34%
             |             
            
                30.50
             |           
            
                30.90
             |               
            
                30.00
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                4.39
             |                                 
            
                6,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2013
             | 
            
                +0.50 / +1.70%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.40
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                4.25
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2013
             | 
            
                +2.50 / +9.29%
             |             
            
                29.40
             |           
            
                29.40
             |               
            
                29.00
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                4.17
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2013
             | 
            
                +2.40 / +9.80%
             |             
            
                25.60
             |           
            
                26.90
             |               
            
                25.60
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                3.82
             |                                 
            
                15,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2013
             | 
            
                +0.90 / +3.81%
             |             
            
                24.50
             |           
            
                25.80
             |               
            
                24.30
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                3.48
             |                                 
            
                25,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |