| 
                 
                    Closing price on 8/11/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    36.20 | 
                 
                
                    | High | 
                    38.30 | 
                 
                
                    | Low | 
                    36.20 | 
                     
                
                    | Volume | 
                    5,700 | 
                                 
                
                    | Split-adjusted Price | 
                    14.53 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/11/2011
             | 
            
                +0.60 / +1.59%
             |             
            
                36.20
             |           
            
                38.30
             |               
            
                36.20
             |                           
            
                38.30
             | 
            
                38.30
             |                     
            
                14.53
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2011
             | 
            
                -0.20 / -0.53%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                37.50
             |                           
            
                37.70
             | 
            
                37.70
             |                     
            
                14.30
             |                                 
            
                13,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2011
             | 
            
                -1.90 / -4.77%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                37.90
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                14.37
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2011
             | 
            
                +0.80 / +2.05%
             |             
            
                38.00
             |           
            
                39.80
             |               
            
                38.00
             |                           
            
                39.80
             | 
            
                39.80
             |                     
            
                15.10
             |                                 
            
                5,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2011
             | 
            
                +0.50 / +1.30%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                39.00
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                14.79
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2011
             | 
            
                +1.10 / +2.94%
             |             
            
                38.00
             |           
            
                38.50
             |               
            
                38.00
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                14.60
             |                                 
            
                12,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2011
             | 
            
                0.00 / 0.00%
             |             
            
                37.40
             |           
            
                37.40
             |               
            
                37.40
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                14.19
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2011
             | 
            
                0.00 / 0.00%
             |             
            
                37.40
             |           
            
                37.40
             |               
            
                37.40
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                14.19
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2011
             | 
            
                +1.40 / +3.89%
             |             
            
                36.50
             |           
            
                37.40
             |               
            
                36.50
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                14.19
             |                                 
            
                15,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2011
             | 
            
                -0.10 / -0.28%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                13.65
             |                                 
            
                3,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2011
             | 
            
                -0.40 / -1.10%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.10
             |                           
            
                36.10
             | 
            
                36.10
             |                     
            
                13.69
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2011
             | 
            
                -1.00 / -2.67%
             |             
            
                36.00
             |           
            
                36.50
             |               
            
                36.00
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                13.84
             |                                 
            
                9,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2011
             | 
            
                -1.50 / -3.85%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                14.22
             |                                 
            
                2,670
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2011
             | 
            
                +0.90 / +2.36%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                39.00
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                14.79
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2011
             | 
            
                -0.10 / -0.26%
             |             
            
                38.20
             |           
            
                38.20
             |               
            
                38.10
             |                           
            
                38.10
             | 
            
                38.10
             |                     
            
                14.45
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2011
             | 
            
                -1.70 / -4.26%
             |             
            
                39.90
             |           
            
                40.00
             |               
            
                38.20
             |                           
            
                38.20
             | 
            
                38.20
             |                     
            
                14.49
             |                                 
            
                1,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2011
             | 
            
                -0.10 / -0.25%
             |             
            
                38.10
             |           
            
                39.90
             |               
            
                38.00
             |                           
            
                39.90
             | 
            
                39.90
             |                     
            
                15.13
             |                                 
            
                5,010
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2011
             | 
            
                -2.00 / -4.76%
             |             
            
                40.00
             |           
            
                40.00
             |               
            
                40.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                15.17
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2011
             | 
            
                0.00 / 0.00%
             |             
            
                39.90
             |           
            
                42.00
             |               
            
                39.90
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                15.93
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2011
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                15.93
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2011
             | 
            
                -0.90 / -2.10%
             |             
            
                41.10
             |           
            
                42.00
             |               
            
                41.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                15.93
             |                                 
            
                28,090
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2011
             | 
            
                -0.10 / -0.23%
             |             
            
                42.00
             |           
            
                42.90
             |               
            
                42.00
             |                           
            
                42.90
             | 
            
                42.90
             |                     
            
                16.27
             |                                 
            
                1,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2011
             | 
            
                +0.40 / +0.94%
             |             
            
                42.20
             |           
            
                43.00
             |               
            
                41.50
             |                           
            
                43.00
             | 
            
                43.00
             |                     
            
                16.31
             |                                 
            
                112,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2011
             | 
            
                +0.70 / +1.67%
             |             
            
                41.40
             |           
            
                42.60
             |               
            
                41.40
             |                           
            
                42.60
             | 
            
                42.60
             |                     
            
                16.16
             |                                 
            
                15,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2011
             | 
            
                +0.40 / +0.96%
             |             
            
                40.00
             |           
            
                41.90
             |               
            
                39.50
             |                           
            
                41.90
             | 
            
                41.90
             |                     
            
                15.89
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2011
             | 
            
                +0.50 / +1.22%
             |             
            
                40.80
             |           
            
                41.50
             |               
            
                40.80
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                15.74
             |                                 
            
                20,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                41.00
             |           
            
                41.30
             |               
            
                41.00
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                15.55
             |                                 
            
                3,450
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2011
             | 
            
                +1.00 / +2.50%
             |             
            
                40.00
             |           
            
                41.00
             |               
            
                40.00
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                15.55
             |                                 
            
                8,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                38.00
             |           
            
                40.00
             |               
            
                38.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                15.17
             |                                 
            
                60,040
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2011
             | 
            
                0.00 / 0.00%
             |             
            
                40.00
             |           
            
                40.00
             |               
            
                38.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                15.17
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |