| 
                 
                    Closing price on 10/28/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    27.50 | 
                 
                
                    | High | 
                    27.50 | 
                 
                
                    | Low | 
                    26.50 | 
                     
                
                    | Volume | 
                    10,900 | 
                                 
                
                    | Split-adjusted Price | 
                    10.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/28/2011
             | 
            
                +0.30 / +1.12%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                26.50
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                10.24
             |                                 
            
                10,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2011
             | 
            
                -1.30 / -4.64%
             |             
            
                26.70
             |           
            
                27.00
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                10.13
             |                                 
            
                47,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2011
             | 
            
                -0.60 / -2.10%
             |             
            
                28.90
             |           
            
                28.90
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                10.62
             |                                 
            
                210
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2011
             | 
            
                -0.30 / -1.04%
             |             
            
                28.30
             |           
            
                29.00
             |               
            
                28.10
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                10.85
             |                                 
            
                33,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2011
             | 
            
                +0.80 / +2.85%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.90
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                10.96
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2011
             | 
            
                -0.80 / -2.77%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                28.10
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                10.66
             |                                 
            
                43,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2011
             | 
            
                -0.10 / -0.34%
             |             
            
                29.00
             |           
            
                29.40
             |               
            
                28.00
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                10.96
             |                                 
            
                182,940
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2011
             | 
            
                -0.50 / -1.69%
             |             
            
                29.50
             |           
            
                29.90
             |               
            
                28.90
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                75,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2011
             | 
            
                -0.70 / -2.32%
             |             
            
                29.50
             |           
            
                29.70
             |               
            
                29.50
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                11.19
             |                                 
            
                11,070
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2011
             | 
            
                -0.70 / -2.27%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.20
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                11.45
             |                                 
            
                57,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2011
             | 
            
                +0.20 / +0.65%
             |             
            
                30.90
             |           
            
                30.90
             |               
            
                30.90
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                11.72
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2011
             | 
            
                +0.30 / +0.99%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.40
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                11.64
             |                                 
            
                12,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2011
             | 
            
                -1.20 / -3.80%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.20
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                11.53
             |                                 
            
                51,860
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2011
             | 
            
                -0.20 / -0.63%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                31.20
             |                           
            
                31.60
             | 
            
                31.60
             |                     
            
                11.99
             |                                 
            
                430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2011
             | 
            
                +0.20 / +0.63%
             |             
            
                31.20
             |           
            
                31.90
             |               
            
                31.00
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                12.06
             |                                 
            
                65,910
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2011
             | 
            
                +0.10 / +0.32%
             |             
            
                32.50
             |           
            
                33.00
             |               
            
                31.60
             |                           
            
                31.60
             | 
            
                31.60
             |                     
            
                11.99
             |                                 
            
                11,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2011
             | 
            
                +0.40 / +1.29%
             |             
            
                31.20
             |           
            
                31.80
             |               
            
                31.00
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                11.95
             |                                 
            
                107,390
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2011
             | 
            
                -0.90 / -2.81%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                31.00
             |                           
            
                31.10
             | 
            
                31.10
             |                     
            
                11.80
             |                                 
            
                51,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2011
             | 
            
                -1.50 / -4.48%
             |             
            
                33.00
             |           
            
                33.10
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                12.14
             |                                 
            
                56,280
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2011
             | 
            
                -0.40 / -1.18%
             |             
            
                33.90
             |           
            
                34.00
             |               
            
                33.00
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                12.71
             |                                 
            
                42,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2011
             | 
            
                -0.20 / -0.59%
             |             
            
                33.60
             |           
            
                33.90
             |               
            
                33.50
             |                           
            
                33.90
             | 
            
                33.90
             |                     
            
                12.86
             |                                 
            
                12,810
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |