| 
                 
                    Closing price on 11/17/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.90 | 
                 
                
                    | High | 
                    22.00 | 
                 
                
                    | Low | 
                    21.30 | 
                     
                
                    | Volume | 
                    74,730 | 
                                 
                
                    | Split-adjusted Price | 
                    8.15 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/17/2011
             | 
            
                +0.20 / +0.94%
             |             
            
                21.90
             |           
            
                22.00
             |               
            
                21.30
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                8.15
             |                                 
            
                74,730
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2011
             | 
            
                +1.00 / +4.93%
             |             
            
                21.20
             |           
            
                21.30
             |               
            
                21.00
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                8.08
             |                                 
            
                57,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2011
             | 
            
                -0.70 / -3.33%
             |             
            
                21.00
             |           
            
                21.20
             |               
            
                20.10
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                7.70
             |                                 
            
                95,580
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2011
             | 
            
                -0.90 / -4.11%
             |             
            
                21.50
             |           
            
                22.00
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                7.96
             |                                 
            
                38,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2011
             | 
            
                -1.10 / -4.78%
             |             
            
                23.00
             |           
            
                23.20
             |               
            
                21.90
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                8.31
             |                                 
            
                54,280
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2011
             | 
            
                -0.50 / -2.13%
             |             
            
                23.10
             |           
            
                23.20
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                8.72
             |                                 
            
                13,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2011
             | 
            
                0.00 / 0.00%
             |             
            
                23.10
             |           
            
                23.50
             |               
            
                23.00
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                8.91
             |                                 
            
                19,810
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2011
             | 
            
                -0.50 / -2.08%
             |             
            
                23.00
             |           
            
                23.90
             |               
            
                23.00
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                8.91
             |                                 
            
                2,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                9.10
             |                                 
            
                10,690
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.20
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                9.10
             |                                 
            
                10,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2011
             | 
            
                -1.00 / -4.00%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                9.10
             |                                 
            
                82,070
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2011
             | 
            
                -1.00 / -3.85%
             |             
            
                26.60
             |           
            
                26.60
             |               
            
                24.80
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                9.48
             |                                 
            
                94,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2011
             | 
            
                -0.90 / -3.35%
             |             
            
                26.90
             |           
            
                26.90
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                9.86
             |                                 
            
                29,850
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2011
             | 
            
                -0.10 / -0.37%
             |             
            
                26.30
             |           
            
                26.90
             |               
            
                26.00
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                10.20
             |                                 
            
                40,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |