| 
                 
                    Closing price on 2/8/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.50 | 
                 
                
                    | High | 
                    30.60 | 
                 
                
                    | Low | 
                    29.20 | 
                     
                
                    | Volume | 
                    35,780 | 
                                 
                
                    | Split-adjusted Price | 
                    11.61 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/8/2012
             | 
            
                +1.40 / +4.79%
             |             
            
                29.50
             |           
            
                30.60
             |               
            
                29.20
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                11.61
             |                                 
            
                35,780
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2012
             | 
            
                +0.20 / +0.69%
             |             
            
                29.20
             |           
            
                29.50
             |               
            
                29.20
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                11.08
             |                                 
            
                27,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2012
             | 
            
                -0.40 / -1.36%
             |             
            
                29.00
             |           
            
                29.10
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                830
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2012
             | 
            
                +0.40 / +1.38%
             |             
            
                29.00
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                11.15
             |                                 
            
                12,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                29.00
             |           
            
                29.80
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                14,560
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                29.00
             |           
            
                29.30
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                8,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2012
             | 
            
                0.00 / 0.00%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                8,860
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2012
             | 
            
                0.00 / 0.00%
             |             
            
                29.00
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                1,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2012
             | 
            
                -0.30 / -1.02%
             |             
            
                29.30
             |           
            
                29.30
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                130
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                29.30
             |           
            
                29.30
             |               
            
                29.30
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                11.11
             |                                 
            
                4,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2012
             | 
            
                +0.80 / +2.81%
             |             
            
                28.50
             |           
            
                29.30
             |               
            
                28.50
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                11.11
             |                                 
            
                750
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                10.81
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2012
             | 
            
                +0.40 / +1.42%
             |             
            
                27.10
             |           
            
                29.00
             |               
            
                27.10
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                10.81
             |                                 
            
                1,560
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                28.10
             |           
            
                28.10
             |               
            
                28.10
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                10.66
             |                                 
            
                338,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2012
             | 
            
                -1.30 / -4.42%
             |             
            
                28.30
             |           
            
                28.30
             |               
            
                28.00
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                10.66
             |                                 
            
                53,780
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2012
             | 
            
                +0.80 / +2.80%
             |             
            
                29.40
             |           
            
                29.40
             |               
            
                29.40
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                11.15
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2012
             | 
            
                -0.90 / -3.05%
             |             
            
                28.50
             |           
            
                29.50
             |               
            
                28.30
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                10.85
             |                                 
            
                13,330
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2012
             | 
            
                +0.90 / +3.15%
             |             
            
                27.60
             |           
            
                29.50
             |               
            
                27.60
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                11.19
             |                                 
            
                5,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2012
             | 
            
                -0.40 / -1.38%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                10.85
             |                                 
            
                1,816,479
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2012
             | 
            
                -0.10 / -0.34%
             |             
            
                29.00
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                8,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                28.10
             |           
            
                29.80
             |               
            
                28.10
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                11.04
             |                                 
            
                5,950
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2012
             | 
            
                -0.90 / -3.00%
             |             
            
                31.40
             |           
            
                31.40
             |               
            
                29.10
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                11.04
             |                                 
            
                4,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2011
             | 
            
                +0.90 / +3.09%
             |             
            
                30.10
             |           
            
                30.50
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                11.38
             |                                 
            
                252,760
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2011
             | 
            
                -0.90 / -3.00%
             |             
            
                29.90
             |           
            
                30.00
             |               
            
                29.00
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                11.04
             |                                 
            
                5,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2011
             | 
            
                +0.30 / +1.01%
             |             
            
                28.60
             |           
            
                30.00
             |               
            
                28.60
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                11.38
             |                                 
            
                5,030
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2011
             | 
            
                +0.70 / +2.41%
             |             
            
                29.00
             |           
            
                29.70
             |               
            
                28.60
             |                           
            
                29.70
             | 
            
                29.70
             |                     
            
                11.26
             |                                 
            
                10,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2011
             | 
            
                +0.50 / +1.75%
             |             
            
                28.10
             |           
            
                29.00
             |               
            
                28.10
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                11.00
             |                                 
            
                24,980
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2011
             | 
            
                -1.10 / -3.72%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                10.81
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2011
             | 
            
                +1.40 / +4.96%
             |             
            
                27.50
             |           
            
                29.60
             |               
            
                27.50
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                11.23
             |                                 
            
                44,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2011
             | 
            
                +1.00 / +3.68%
             |             
            
                27.10
             |           
            
                28.20
             |               
            
                27.10
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                10.70
             |                                 
            
                1,450
             |  
            
                 
             |                                                              
             
    
         
    
    
 |