| 
                 
                    Closing price on 3/20/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    169.40 | 
                 
                
                    | High | 
                    185.00 | 
                 
                
                    | Low | 
                    160.00 | 
                     
                
                    | Volume | 
                    59,000 | 
                                 
                
                    | Split-adjusted Price | 
                    22.72 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
HAC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/20/2007
             | 
            
                -1.00 / -0.59%
             |             
            
                169.40
             |           
            
                185.00
             |               
            
                160.00
             |                           
            
                169.00
             | 
            
                169.00
             |                     
            
                22.72
             |                                 
            
                59,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2007
             | 
            
                +9.40 / +5.85%
             |             
            
                168.00
             |           
            
                176.30
             |               
            
                168.00
             |                           
            
                170.00
             | 
            
                170.00
             |                     
            
                22.86
             |                                 
            
                202,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2007
             | 
            
                +17.60 / +12.31%
             |             
            
                151.00
             |           
            
                160.60
             |               
            
                151.00
             |                           
            
                160.60
             | 
            
                160.60
             |                     
            
                21.59
             |                                 
            
                42,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2007
             | 
            
                -13.00 / -8.33%
             |             
            
                147.20
             |           
            
                158.00
             |               
            
                142.00
             |                           
            
                143.00
             | 
            
                143.00
             |                     
            
                19.07
             |                                 
            
                50,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2007
             | 
            
                -5.00 / -3.11%
             |             
            
                157.70
             |           
            
                160.20
             |               
            
                155.00
             |                           
            
                156.00
             | 
            
                156.00
             |                     
            
                20.80
             |                                 
            
                35,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2007
             | 
            
                +0.40 / +0.25%
             |             
            
                159.70
             |           
            
                161.00
             |               
            
                159.00
             |                           
            
                161.00
             | 
            
                161.00
             |                     
            
                21.47
             |                                 
            
                59,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2007
             | 
            
                +1.60 / +1.01%
             |             
            
                160.10
             |           
            
                163.00
             |               
            
                159.00
             |                           
            
                160.60
             | 
            
                160.60
             |                     
            
                21.42
             |                                 
            
                64,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2007
             | 
            
                -1.00 / -0.63%
             |             
            
                160.10
             |           
            
                162.00
             |               
            
                158.00
             |                           
            
                159.00
             | 
            
                159.00
             |                     
            
                21.20
             |                                 
            
                66,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2007
             | 
            
                -0.10 / -0.06%
             |             
            
                160.60
             |           
            
                165.10
             |               
            
                159.50
             |                           
            
                160.00
             | 
            
                160.00
             |                     
            
                21.34
             |                                 
            
                32,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2007
             | 
            
                -0.90 / -0.56%
             |             
            
                161.70
             |           
            
                168.00
             |               
            
                160.00
             |                           
            
                160.10
             | 
            
                160.10
             |                     
            
                21.35
             |                                 
            
                51,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2007
             | 
            
                -3.00 / -1.83%
             |             
            
                161.70
             |           
            
                170.50
             |               
            
                160.00
             |                           
            
                161.00
             | 
            
                161.00
             |                     
            
                21.47
             |                                 
            
                44,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2007
             | 
            
                +4.50 / +2.82%
             |             
            
                159.70
             |           
            
                170.00
             |               
            
                159.00
             |                           
            
                164.00
             | 
            
                164.00
             |                     
            
                21.87
             |                                 
            
                70,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2007
             | 
            
                +0.50 / +0.31%
             |             
            
                159.70
             |           
            
                162.50
             |               
            
                158.00
             |                           
            
                159.50
             | 
            
                159.50
             |                     
            
                21.27
             |                                 
            
                47,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2007
             | 
            
                -5.00 / -3.05%
             |             
            
                162.50
             |           
            
                168.00
             |               
            
                157.00
             |                           
            
                159.00
             | 
            
                159.00
             |                     
            
                21.20
             |                                 
            
                47,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2007
             | 
            
                -2.70 / -1.62%
             |             
            
                164.80
             |           
            
                175.00
             |               
            
                160.00
             |                           
            
                164.00
             | 
            
                164.00
             |                     
            
                21.87
             |                                 
            
                44,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2007
             | 
            
                +9.20 / +5.84%
             |             
            
                161.00
             |           
            
                171.00
             |               
            
                161.00
             |                           
            
                166.70
             | 
            
                166.70
             |                     
            
                22.23
             |                                 
            
                85,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2007
             | 
            
                +5.50 / +3.62%
             |             
            
                151.00
             |           
            
                165.10
             |               
            
                151.00
             |                           
            
                157.50
             | 
            
                157.50
             |                     
            
                21.00
             |                                 
            
                74,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2007
             | 
            
                +4.50 / +3.05%
             |             
            
                150.10
             |           
            
                152.30
             |               
            
                144.00
             |                           
            
                152.00
             | 
            
                152.00
             |                     
            
                20.27
             |                                 
            
                49,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2007
             | 
            
                +7.60 / +5.43%
             |             
            
                142.10
             |           
            
                153.80
             |               
            
                142.10
             |                           
            
                147.50
             | 
            
                147.50
             |                     
            
                19.67
             |                                 
            
                159,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2007
             | 
            
                +11.00 / +8.53%
             |             
            
                139.90
             |           
            
                139.90
             |               
            
                139.90
             |                           
            
                139.90
             | 
            
                139.90
             |                     
            
                18.66
             |                                 
            
                44,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2007
             | 
            
                +11.40 / +9.70%
             |             
            
                117.20
             |           
            
                128.90
             |               
            
                117.20
             |                           
            
                128.90
             | 
            
                128.90
             |                     
            
                17.19
             |                                 
            
                36,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2007
             | 
            
                -2.50 / -2.08%
             |             
            
                117.20
             |           
            
                119.00
             |               
            
                108.00
             |                           
            
                117.50
             | 
            
                117.50
             |                     
            
                15.67
             |                                 
            
                38,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2007
             | 
            
                0.00 / 0.00%
             |             
            
                119.80
             |           
            
                134.90
             |               
            
                115.00
             |                           
            
                120.00
             | 
            
                120.00
             |                     
            
                16.00
             |                                 
            
                33,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2007
             | 
            
                -4.00 / -3.23%
             |             
            
                122.70
             |           
            
                126.00
             |               
            
                120.00
             |                           
            
                120.00
             | 
            
                120.00
             |                     
            
                16.00
             |                                 
            
                53,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2007
             | 
            
                -2.50 / -1.98%
             |             
            
                125.10
             |           
            
                126.00
             |               
            
                124.00
             |                           
            
                124.00
             | 
            
                124.00
             |                     
            
                16.54
             |                                 
            
                36,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2007
             | 
            
                -1.40 / -1.09%
             |             
            
                127.20
             |           
            
                128.80
             |               
            
                120.20
             |                           
            
                126.50
             | 
            
                126.50
             |                     
            
                16.87
             |                                 
            
                39,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2007
             | 
            
                -0.10 / -0.08%
             |             
            
                127.40
             |           
            
                132.50
             |               
            
                125.00
             |                           
            
                127.90
             | 
            
                127.90
             |                     
            
                17.06
             |                                 
            
                37,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2007
             | 
            
                -0.80 / -0.62%
             |             
            
                128.10
             |           
            
                140.90
             |               
            
                127.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                17.07
             |                                 
            
                34,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2007
             | 
            
                +3.80 / +3.04%
             |             
            
                126.50
             |           
            
                130.00
             |               
            
                126.50
             |                           
            
                128.80
             | 
            
                128.80
             |                     
            
                17.18
             |                                 
            
                38,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2007
             | 
            
                +5.50 / +4.60%
             |             
            
                121.00
             |           
            
                130.00
             |               
            
                121.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                16.67
             |                                 
            
                33,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |