| 
                 
                    Closing price on 3/29/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    37.30 | 
                 
                
                    | High | 
                    37.30 | 
                 
                
                    | Low | 
                    36.90 | 
                     
                
                    | Volume | 
                    4,470 | 
                                 
                
                    | Split-adjusted Price | 
                    15.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/29/2013
             | 
            
                +0.10 / +0.27%
             |             
            
                37.30
             |           
            
                37.30
             |               
            
                36.90
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                15.24
             |                                 
            
                4,470
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2013
             | 
            
                -0.10 / -0.27%
             |             
            
                36.80
             |           
            
                37.50
             |               
            
                36.80
             |                           
            
                36.90
             | 
            
                36.90
             |                     
            
                15.20
             |                                 
            
                8,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2013
             | 
            
                +0.10 / +0.27%
             |             
            
                36.50
             |           
            
                37.20
             |               
            
                36.50
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                15.24
             |                                 
            
                12,550
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2013
             | 
            
                +0.10 / +0.27%
             |             
            
                36.50
             |           
            
                37.00
             |               
            
                36.10
             |                           
            
                36.90
             | 
            
                36.90
             |                     
            
                15.20
             |                                 
            
                8,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2013
             | 
            
                +0.90 / +2.51%
             |             
            
                36.50
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                36.80
             | 
            
                36.80
             |                     
            
                15.16
             |                                 
            
                9,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2013
             | 
            
                -1.10 / -2.97%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                35.50
             |                           
            
                35.90
             | 
            
                35.90
             |                     
            
                14.79
             |                                 
            
                20,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2013
             | 
            
                +0.80 / +2.21%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                35.50
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                15.24
             |                                 
            
                10,520
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2013
             | 
            
                -1.10 / -2.95%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                36.00
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                14.91
             |                                 
            
                7,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2013
             | 
            
                -1.40 / -3.62%
             |             
            
                38.70
             |           
            
                38.70
             |               
            
                36.60
             |                           
            
                37.30
             | 
            
                37.30
             |                     
            
                15.37
             |                                 
            
                5,080
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2013
             | 
            
                +0.30 / +0.78%
             |             
            
                38.00
             |           
            
                38.70
             |               
            
                37.60
             |                           
            
                38.70
             | 
            
                38.70
             |                     
            
                15.94
             |                                 
            
                148,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2013
             | 
            
                +0.20 / +0.52%
             |             
            
                37.80
             |           
            
                39.00
             |               
            
                37.60
             |                           
            
                38.40
             | 
            
                38.40
             |                     
            
                15.82
             |                                 
            
                26,790
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2013
             | 
            
                +2.40 / +6.70%
             |             
            
                36.90
             |           
            
                38.30
             |               
            
                36.90
             |                           
            
                38.20
             | 
            
                38.20
             |                     
            
                15.74
             |                                 
            
                64,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2013
             | 
            
                +2.30 / +6.87%
             |             
            
                33.60
             |           
            
                35.80
             |               
            
                33.60
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                14.75
             |                                 
            
                178,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2013
             | 
            
                +1.70 / +5.35%
             |             
            
                32.50
             |           
            
                33.60
             |               
            
                32.30
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                13.80
             |                                 
            
                23,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2013
             | 
            
                +1.10 / +3.58%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                31.50
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                13.10
             |                                 
            
                1,460
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2013
             | 
            
                -1.50 / -4.66%
             |             
            
                32.60
             |           
            
                32.60
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                12.65
             |                                 
            
                250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2013
             | 
            
                -0.30 / -0.92%
             |             
            
                32.20
             |           
            
                32.20
             |               
            
                32.20
             |                           
            
                32.20
             | 
            
                32.20
             |                     
            
                13.27
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                13.39
             |                                 
            
                2,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                31.60
             |           
            
                32.50
             |               
            
                31.60
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                13.39
             |                                 
            
                16,030
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                32.50
             |           
            
                32.80
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                13.39
             |                                 
            
                6,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                31.60
             |           
            
                32.50
             |               
            
                31.60
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                13.39
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                13.39
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2013
             | 
            
                +0.70 / +2.20%
             |             
            
                31.90
             |           
            
                32.50
             |               
            
                31.90
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                13.39
             |                                 
            
                27,290
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2013
             | 
            
                -0.70 / -2.15%
             |             
            
                31.80
             |           
            
                32.00
             |               
            
                31.70
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                13.10
             |                                 
            
                24,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2013
             | 
            
                +0.50 / +1.56%
             |             
            
                31.60
             |           
            
                32.50
             |               
            
                31.60
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                13.39
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                32.00
             |           
            
                32.50
             |               
            
                31.20
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                13.18
             |                                 
            
                21,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                32.00
             |           
            
                32.50
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                13.18
             |                                 
            
                26,180
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2013
             | 
            
                -0.30 / -0.93%
             |             
            
                32.40
             |           
            
                32.40
             |               
            
                31.60
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                13.18
             |                                 
            
                16,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2013
             | 
            
                +0.40 / +1.25%
             |             
            
                32.30
             |           
            
                32.30
             |               
            
                32.30
             |                           
            
                32.30
             | 
            
                32.30
             |                     
            
                13.31
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2013
             | 
            
                +0.10 / +0.31%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                31.90
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                13.14
             |                                 
            
                3,040
             |  
            
                 
             |                                                              
             
    
         
    
    
 |