| 
                 
                    Closing price on 7/31/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    34.90 | 
                 
                
                    | High | 
                    34.90 | 
                 
                
                    | Low | 
                    34.90 | 
                     
                
                    | Volume | 
                    290,010 | 
                                 
                
                    | Split-adjusted Price | 
                    13.93 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/31/2012
             | 
            
                +1.10 / +3.25%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                13.93
             |                                 
            
                290,010
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2012
             | 
            
                -0.30 / -0.88%
             |             
            
                33.00
             |           
            
                33.80
             |               
            
                33.00
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                13.49
             |                                 
            
                2,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2012
             | 
            
                +1.60 / +4.92%
             |             
            
                34.10
             |           
            
                34.10
             |               
            
                34.10
             |                           
            
                34.10
             | 
            
                34.10
             |                     
            
                13.61
             |                                 
            
                30
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2012
             | 
            
                -1.20 / -3.56%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                32.20
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                12.98
             |                                 
            
                4,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2012
             | 
            
                -1.50 / -4.26%
             |             
            
                33.70
             |           
            
                33.70
             |               
            
                33.70
             |                           
            
                33.70
             | 
            
                33.70
             |                     
            
                13.45
             |                                 
            
                113,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2012
             | 
            
                +1.00 / +2.92%
             |             
            
                35.20
             |           
            
                35.20
             |               
            
                35.20
             |                           
            
                35.20
             | 
            
                35.20
             |                     
            
                14.05
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2012
             | 
            
                -1.80 / -5.00%
             |             
            
                34.70
             |           
            
                35.00
             |               
            
                34.20
             |                           
            
                34.20
             | 
            
                34.20
             |                     
            
                13.65
             |                                 
            
                5,610
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2012
             | 
            
                +1.10 / +3.15%
             |             
            
                34.90
             |           
            
                36.00
             |               
            
                34.90
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                14.37
             |                                 
            
                23,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2012
             | 
            
                +1.40 / +4.18%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                13.93
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                33.50
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                13.37
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2012
             | 
            
                -1.40 / -4.01%
             |             
            
                33.40
             |           
            
                33.50
             |               
            
                33.20
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                13.37
             |                                 
            
                6,510
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2012
             | 
            
                -0.20 / -0.57%
             |             
            
                33.80
             |           
            
                34.90
             |               
            
                33.50
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                13.93
             |                                 
            
                33,536
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.50
             |           
            
                35.10
             |               
            
                33.40
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                14.01
             |                                 
            
                36,630
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.40
             |           
            
                35.50
             |               
            
                33.40
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                14.01
             |                                 
            
                4,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2012
             | 
            
                +0.10 / +0.29%
             |             
            
                35.10
             |           
            
                35.10
             |               
            
                35.10
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                14.01
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2012
             | 
            
                +0.60 / +1.74%
             |             
            
                34.40
             |           
            
                35.70
             |               
            
                34.40
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                13.97
             |                                 
            
                320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2012
             | 
            
                +1.40 / +4.24%
             |             
            
                33.00
             |           
            
                34.40
             |               
            
                31.50
             |                           
            
                34.40
             | 
            
                34.40
             |                     
            
                13.73
             |                                 
            
                2,880
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2012
             | 
            
                -1.00 / -2.94%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                13.18
             |                                 
            
                13,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2012
             | 
            
                +0.50 / +1.49%
             |             
            
                33.50
             |           
            
                34.00
             |               
            
                33.30
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                13.57
             |                                 
            
                14,680
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2012
             | 
            
                -0.30 / -0.89%
             |             
            
                33.50
             |           
            
                33.80
             |               
            
                33.50
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                13.37
             |                                 
            
                27,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                32.30
             |           
            
                33.80
             |               
            
                32.30
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                13.49
             |                                 
            
                3,520
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2012
             | 
            
                +0.80 / +2.42%
             |             
            
                33.50
             |           
            
                33.80
             |               
            
                33.40
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                13.49
             |                                 
            
                8,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2012
             | 
            
                +0.20 / +0.61%
             |             
            
                33.90
             |           
            
                33.90
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                13.18
             |                                 
            
                520
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2012
             | 
            
                -1.50 / -4.37%
             |             
            
                34.00
             |           
            
                34.50
             |               
            
                32.80
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                13.10
             |                                 
            
                5,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2012
             | 
            
                +1.20 / +3.63%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                32.00
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                13.69
             |                                 
            
                670
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2012
             | 
            
                -1.60 / -4.61%
             |             
            
                33.10
             |           
            
                33.10
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                13.22
             |                                 
            
                30
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2012
             | 
            
                -0.90 / -2.53%
             |             
            
                35.60
             |           
            
                35.60
             |               
            
                34.50
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                13.85
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2012
             | 
            
                -0.40 / -1.11%
             |             
            
                35.50
             |           
            
                35.60
             |               
            
                35.50
             |                           
            
                35.60
             | 
            
                35.60
             |                     
            
                14.21
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2012
             | 
            
                -0.20 / -0.55%
             |             
            
                35.70
             |           
            
                36.10
             |               
            
                35.60
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                14.37
             |                                 
            
                1,230
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                36.10
             |           
            
                36.20
             |               
            
                36.10
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                14.45
             |                                 
            
                1,310
             |  
            
                 
             |                                                              
             
    
         
    
    
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