| 
                 
                    Closing price on 12/28/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    60.50 | 
                 
                
                    | High | 
                    61.00 | 
                 
                
                    | Low | 
                    60.00 | 
                     
                
                    | Volume | 
                    15,020 | 
                                 
                
                    | Split-adjusted Price | 
                    7.45 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/28/2007
             | 
            
                -1.00 / -1.64%
             |             
            
                60.50
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                7.45
             |                                 
            
                15,020
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2007
             | 
            
                0.00 / 0.00%
             |             
            
                61.00
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                7.57
             |                                 
            
                31,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2007
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                61.00
             |               
            
                58.50
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                7.57
             |                                 
            
                60,990
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2007
             | 
            
                -2.50 / -3.94%
             |             
            
                61.50
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                7.57
             |                                 
            
                82,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2007
             | 
            
                -3.00 / -4.51%
             |             
            
                66.50
             |           
            
                66.50
             |               
            
                63.50
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                7.88
             |                                 
            
                32,230
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2007
             | 
            
                -3.50 / -5.00%
             |             
            
                66.50
             |           
            
                68.00
             |               
            
                66.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                8.25
             |                                 
            
                134,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2007
             | 
            
                +1.50 / +2.19%
             |             
            
                65.50
             |           
            
                70.00
             |               
            
                62.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                8.69
             |                                 
            
                267,020
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2007
             | 
            
                +0.50 / +0.74%
             |             
            
                68.50
             |           
            
                70.40
             |               
            
                68.20
             |                           
            
                68.50
             | 
            
                68.50
             |                     
            
                8.50
             |                                 
            
                200,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2007
             | 
            
                +1.50 / +2.26%
             |             
            
                67.00
             |           
            
                68.00
             |               
            
                67.00
             |                           
            
                68.00
             | 
            
                68.00
             |                     
            
                8.44
             |                                 
            
                146,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2007
             | 
            
                -0.40 / -0.60%
             |             
            
                66.70
             |           
            
                67.00
             |               
            
                66.20
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                8.25
             |                                 
            
                26,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2007
             | 
            
                -0.10 / -0.15%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                66.60
             |                           
            
                66.90
             | 
            
                66.90
             |                     
            
                8.30
             |                                 
            
                160,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2007
             | 
            
                0.00 / 0.00%
             |             
            
                67.90
             |           
            
                68.00
             |               
            
                66.70
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.32
             |                                 
            
                38,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2007
             | 
            
                -1.50 / -2.19%
             |             
            
                70.00
             |           
            
                70.00
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.32
             |                                 
            
                23,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2007
             | 
            
                +2.30 / +3.47%
             |             
            
                66.60
             |           
            
                68.90
             |               
            
                66.00
             |                           
            
                68.50
             | 
            
                68.50
             |                     
            
                8.50
             |                                 
            
                76,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2007
             | 
            
                +1.60 / +2.48%
             |             
            
                64.30
             |           
            
                66.50
             |               
            
                64.10
             |                           
            
                66.20
             | 
            
                66.20
             |                     
            
                8.22
             |                                 
            
                92,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2007
             | 
            
                +1.60 / +2.54%
             |             
            
                64.10
             |           
            
                66.00
             |               
            
                63.00
             |                           
            
                64.60
             | 
            
                64.60
             |                     
            
                8.02
             |                                 
            
                96,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2007
             | 
            
                -4.50 / -6.67%
             |             
            
                67.70
             |           
            
                68.50
             |               
            
                63.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                7.82
             |                                 
            
                109,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2007
             | 
            
                -1.10 / -1.60%
             |             
            
                68.60
             |           
            
                68.80
             |               
            
                67.10
             |                           
            
                67.50
             | 
            
                67.50
             |                     
            
                8.38
             |                                 
            
                45,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2007
             | 
            
                -0.90 / -1.29%
             |             
            
                70.00
             |           
            
                70.00
             |               
            
                68.20
             |                           
            
                68.60
             | 
            
                68.60
             |                     
            
                8.51
             |                                 
            
                33,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2007
             | 
            
                -0.50 / -0.71%
             |             
            
                75.00
             |           
            
                75.00
             |               
            
                68.00
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                8.63
             |                                 
            
                62,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2007
             | 
            
                -0.40 / -0.57%
             |             
            
                72.00
             |           
            
                72.00
             |               
            
                67.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                8.69
             |                                 
            
                124,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2007
             | 
            
                +1.80 / +2.62%
             |             
            
                68.50
             |           
            
                70.60
             |               
            
                68.00
             |                           
            
                70.40
             | 
            
                70.40
             |                     
            
                8.74
             |                                 
            
                175,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2007
             | 
            
                -1.40 / -2.00%
             |             
            
                71.00
             |           
            
                71.00
             |               
            
                68.20
             |                           
            
                68.60
             | 
            
                68.60
             |                     
            
                8.51
             |                                 
            
                195,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2007
             | 
            
                -0.50 / -0.71%
             |             
            
                71.00
             |           
            
                72.00
             |               
            
                70.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                8.69
             |                                 
            
                198,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2007
             | 
            
                +0.60 / +0.86%
             |             
            
                71.00
             |           
            
                71.00
             |               
            
                67.70
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                8.75
             |                                 
            
                107,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2007
             | 
            
                -1.30 / -1.83%
             |             
            
                71.00
             |           
            
                72.00
             |               
            
                69.50
             |                           
            
                69.90
             | 
            
                69.90
             |                     
            
                8.68
             |                                 
            
                72,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2007
             | 
            
                +0.70 / +0.99%
             |             
            
                74.00
             |           
            
                75.00
             |               
            
                70.00
             |                           
            
                71.20
             | 
            
                71.20
             |                     
            
                8.84
             |                                 
            
                67,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2007
             | 
            
                -1.50 / -2.08%
             |             
            
                71.00
             |           
            
                73.00
             |               
            
                70.00
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                8.75
             |                                 
            
                156,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2007
             | 
            
                0.00 / 0.00%
             |             
            
                71.70
             |           
            
                72.50
             |               
            
                71.00
             |                           
            
                72.00
             | 
            
                72.00
             |                     
            
                8.94
             |                                 
            
                92,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2007
             | 
            
                -1.50 / -2.04%
             |             
            
                72.50
             |           
            
                72.50
             |               
            
                71.70
             |                           
            
                72.00
             | 
            
                72.00
             |                     
            
                8.94
             |                                 
            
                94,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |