| 
                 
                    Closing price on 5/29/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    77.50 | 
                 
                
                    | High | 
                    79.00 | 
                 
                
                    | Low | 
                    77.00 | 
                     
                
                    | Volume | 
                    5,250 | 
                                 
                
                    | Split-adjusted Price | 
                    34.51 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/29/2015
             | 
            
                +1.50 / +1.94%
             |             
            
                77.50
             |           
            
                79.00
             |               
            
                77.00
             |                           
            
                79.00
             | 
            
                77.33
             |                     
            
                34.51
             |                                 
            
                5,250
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2015
             | 
            
                0.00 / 0.00%
             |             
            
                77.50
             |           
            
                77.50
             |               
            
                77.50
             |                           
            
                77.50
             | 
            
                77.50
             |                     
            
                33.85
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2015
             | 
            
                -2.00 / -2.52%
             |             
            
                79.00
             |           
            
                80.00
             |               
            
                77.50
             |                           
            
                77.50
             | 
            
                77.84
             |                     
            
                33.85
             |                                 
            
                27,990
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2015
             | 
            
                +2.00 / +2.58%
             |             
            
                79.50
             |           
            
                79.50
             |               
            
                77.50
             |                           
            
                79.50
             | 
            
                78.89
             |                     
            
                34.73
             |                                 
            
                7,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2015
             | 
            
                +2.00 / +2.65%
             |             
            
                75.00
             |           
            
                77.50
             |               
            
                75.00
             |                           
            
                77.50
             | 
            
                76.44
             |                     
            
                33.85
             |                                 
            
                19,310
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2015
             | 
            
                -0.50 / -0.66%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                75.50
             |                           
            
                75.50
             | 
            
                75.73
             |                     
            
                32.98
             |                                 
            
                3,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2015
             | 
            
                +0.50 / +0.66%
             |             
            
                75.50
             |           
            
                76.50
             |               
            
                75.50
             |                           
            
                76.00
             | 
            
                75.51
             |                     
            
                33.20
             |                                 
            
                6,410
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2015
             | 
            
                +1.50 / +2.03%
             |             
            
                74.00
             |           
            
                76.50
             |               
            
                74.00
             |                           
            
                75.50
             | 
            
                75.24
             |                     
            
                32.98
             |                                 
            
                32,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2015
             | 
            
                0.00 / 0.00%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                32.32
             |                                 
            
                1,050
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2015
             | 
            
                -0.50 / -0.67%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                32.32
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2015
             | 
            
                +0.50 / +0.68%
             |             
            
                75.00
             |           
            
                75.00
             |               
            
                74.00
             |                           
            
                74.50
             | 
            
                74.27
             |                     
            
                32.54
             |                                 
            
                6,880
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                73.50
             |           
            
                74.00
             |               
            
                73.50
             |                           
            
                74.00
             | 
            
                73.87
             |                     
            
                32.32
             |                                 
            
                1,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                32.32
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                73.50
             |           
            
                74.00
             |               
            
                73.00
             |                           
            
                74.00
             | 
            
                73.51
             |                     
            
                32.32
             |                                 
            
                6,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2015
             | 
            
                0.00 / 0.00%
             |             
            
                74.50
             |           
            
                74.50
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.17
             |                     
            
                32.32
             |                                 
            
                45,420
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2015
             | 
            
                -1.00 / -1.33%
             |             
            
                75.00
             |           
            
                75.00
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.14
             |                     
            
                32.32
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2015
             | 
            
                -0.50 / -0.66%
             |             
            
                70.50
             |           
            
                75.50
             |               
            
                70.50
             |                           
            
                75.00
             | 
            
                74.98
             |                     
            
                32.76
             |                                 
            
                1,750
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2015
             | 
            
                -0.50 / -0.66%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                74.00
             |                           
            
                75.50
             | 
            
                75.17
             |                     
            
                32.98
             |                                 
            
                7,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2015
             | 
            
                -0.50 / -0.65%
             |             
            
                75.50
             |           
            
                76.00
             |               
            
                75.00
             |                           
            
                76.00
             | 
            
                75.43
             |                     
            
                33.20
             |                                 
            
                8,180
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2015
             | 
            
                -0.50 / -0.65%
             |             
            
                77.00
             |           
            
                77.00
             |               
            
                76.00
             |                           
            
                76.50
             | 
            
                76.58
             |                     
            
                33.42
             |                                 
            
                9,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2015
             | 
            
                +0.50 / +0.65%
             |             
            
                76.50
             |           
            
                77.00
             |               
            
                76.00
             |                           
            
                77.00
             | 
            
                76.03
             |                     
            
                33.63
             |                                 
            
                1,460
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                77.50
             |           
            
                77.50
             |               
            
                76.50
             |                           
            
                76.50
             | 
            
                77.00
             |                     
            
                33.42
             |                                 
            
                1,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2015
             | 
            
                +0.50 / +0.66%
             |             
            
                77.50
             |           
            
                77.50
             |               
            
                76.00
             |                           
            
                76.50
             | 
            
                76.68
             |                     
            
                33.42
             |                                 
            
                7,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2015
             | 
            
                -1.00 / -1.30%
             |             
            
                76.50
             |           
            
                77.00
             |               
            
                76.00
             |                           
            
                76.00
             | 
            
                76.17
             |                     
            
                33.20
             |                                 
            
                10,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2015
             | 
            
                +1.00 / +1.32%
             |             
            
                77.50
             |           
            
                77.50
             |               
            
                76.00
             |                           
            
                77.00
             | 
            
                77.12
             |                     
            
                33.63
             |                                 
            
                86,076
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2015
             | 
            
                +0.50 / +0.66%
             |             
            
                76.00
             |           
            
                76.50
             |               
            
                75.50
             |                           
            
                76.00
             | 
            
                75.70
             |                     
            
                33.20
             |                                 
            
                17,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                75.50
             |           
            
                76.00
             |               
            
                75.50
             |                           
            
                75.50
             | 
            
                75.77
             |                     
            
                32.98
             |                                 
            
                7,140
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2015
             | 
            
                0.00 / 0.00%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                75.00
             |                           
            
                75.50
             | 
            
                75.28
             |                     
            
                32.98
             |                                 
            
                27,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2015
             | 
            
                -0.50 / -0.66%
             |             
            
                75.00
             |           
            
                76.00
             |               
            
                74.50
             |                           
            
                75.50
             | 
            
                74.98
             |                     
            
                32.98
             |                                 
            
                37,210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2015
             | 
            
                +0.50 / +0.66%
             |             
            
                75.50
             |           
            
                77.00
             |               
            
                75.00
             |                           
            
                76.00
             | 
            
                76.13
             |                     
            
                33.20
             |                                 
            
                41,310
             |  
            
                 
             |                                                              
             
    
         
    
    
 |