| 
                 
                    Closing price on 9/29/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    34.50 | 
                 
                
                    | High | 
                    34.50 | 
                 
                
                    | Low | 
                    34.00 | 
                     
                
                    | Volume | 
                    6,880 | 
                                 
                
                    | Split-adjusted Price | 
                    12.93 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/29/2011
             | 
            
                -0.90 / -2.57%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                34.00
             |                           
            
                34.10
             | 
            
                34.10
             |                     
            
                12.93
             |                                 
            
                6,880
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                34.10
             |           
            
                35.00
             |               
            
                34.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                13.27
             |                                 
            
                6,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2011
             | 
            
                +1.30 / +3.86%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                33.10
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                13.27
             |                                 
            
                1,070
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2011
             | 
            
                -1.30 / -3.71%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                33.70
             |                           
            
                33.70
             | 
            
                33.70
             |                     
            
                12.78
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                33.40
             |           
            
                35.00
             |               
            
                33.40
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                13.27
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2011
             | 
            
                -1.00 / -2.78%
             |             
            
                34.60
             |           
            
                35.00
             |               
            
                34.60
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                13.27
             |                                 
            
                3,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2011
             | 
            
                +0.50 / +1.41%
             |             
            
                35.00
             |           
            
                36.00
             |               
            
                35.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                13.65
             |                                 
            
                11,010
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                35.60
             |           
            
                35.60
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                13.46
             |                                 
            
                7,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                35.60
             |           
            
                35.70
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                13.46
             |                                 
            
                24,010
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2011
             | 
            
                +0.20 / +0.57%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                13.46
             |                                 
            
                21,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2011
             | 
            
                -1.40 / -3.81%
             |             
            
                36.70
             |           
            
                36.80
             |               
            
                35.30
             |                           
            
                35.30
             | 
            
                35.30
             |                     
            
                13.39
             |                                 
            
                430
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2011
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                36.70
             |               
            
                35.50
             |                           
            
                36.70
             | 
            
                36.70
             |                     
            
                13.92
             |                                 
            
                2,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2011
             | 
            
                +0.20 / +0.55%
             |             
            
                36.50
             |           
            
                36.70
             |               
            
                36.50
             |                           
            
                36.70
             | 
            
                36.70
             |                     
            
                13.92
             |                                 
            
                6,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2011
             | 
            
                -0.10 / -0.27%
             |             
            
                36.10
             |           
            
                36.50
             |               
            
                36.10
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                13.84
             |                                 
            
                10,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2011
             | 
            
                +0.20 / +0.55%
             |             
            
                36.00
             |           
            
                36.60
             |               
            
                36.00
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                13.88
             |                                 
            
                15,810
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2011
             | 
            
                +0.40 / +1.11%
             |             
            
                36.90
             |           
            
                36.90
             |               
            
                35.50
             |                           
            
                36.40
             | 
            
                36.40
             |                     
            
                13.81
             |                                 
            
                19,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2011
             | 
            
                +0.40 / +1.12%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.80
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                13.65
             |                                 
            
                13,490
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2011
             | 
            
                -0.40 / -1.11%
             |             
            
                35.00
             |           
            
                35.60
             |               
            
                35.00
             |                           
            
                35.60
             | 
            
                35.60
             |                     
            
                13.50
             |                                 
            
                2,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2011
             | 
            
                -0.30 / -0.83%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                13.65
             |                                 
            
                530
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2011
             | 
            
                0.00 / 0.00%
             |             
            
                36.30
             |           
            
                36.40
             |               
            
                36.30
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                13.77
             |                                 
            
                35,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2011
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                36.30
             |               
            
                35.00
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                13.77
             |                                 
            
                9,920
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2011
             | 
            
                -0.10 / -0.27%
             |             
            
                36.30
             |           
            
                36.50
             |               
            
                36.30
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                13.77
             |                                 
            
                11,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2011
             | 
            
                -0.10 / -0.27%
             |             
            
                36.30
             |           
            
                36.40
             |               
            
                36.30
             |                           
            
                36.40
             | 
            
                36.40
             |                     
            
                13.81
             |                                 
            
                3,410
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2011
             | 
            
                -0.20 / -0.54%
             |             
            
                35.10
             |           
            
                36.50
             |               
            
                35.10
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                13.84
             |                                 
            
                5,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2011
             | 
            
                -0.30 / -0.81%
             |             
            
                35.20
             |           
            
                36.70
             |               
            
                35.20
             |                           
            
                36.70
             | 
            
                36.70
             |                     
            
                13.92
             |                                 
            
                9,470
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2011
             | 
            
                -0.90 / -2.37%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                14.03
             |                                 
            
                2,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                37.90
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                14.37
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2011
             | 
            
                +0.30 / +0.80%
             |             
            
                37.80
             |           
            
                37.90
             |               
            
                37.80
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                14.37
             |                                 
            
                15,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                37.60
             |           
            
                37.60
             |               
            
                37.60
             |                           
            
                37.60
             | 
            
                37.60
             |                     
            
                14.26
             |                                 
            
                16,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2011
             | 
            
                -0.10 / -0.27%
             |             
            
                36.00
             |           
            
                38.30
             |               
            
                36.00
             |                           
            
                37.60
             | 
            
                37.60
             |                     
            
                14.26
             |                                 
            
                33,990
             |  
            
                 
             |                                                              
             
    
         
    
    
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