| 
                 
                    Closing price on 3/10/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    34.20 | 
                 
                
                    | High | 
                    34.20 | 
                 
                
                    | Low | 
                    33.00 | 
                     
                
                    | Volume | 
                    287,200 | 
                                 
                
                    | Split-adjusted Price | 
                    4.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/10/2008
             | 
            
                +0.40 / +1.23%
             |             
            
                34.20
             |           
            
                34.20
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.10
             |                                 
            
                287,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2008
             | 
            
                +1.50 / +4.82%
             |             
            
                32.60
             |           
            
                32.60
             |               
            
                32.60
             |                           
            
                32.60
             | 
            
                32.60
             |                     
            
                4.05
             |                                 
            
                106,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2008
             | 
            
                +1.40 / +4.71%
             |             
            
                31.10
             |           
            
                31.10
             |               
            
                31.10
             |                           
            
                31.10
             | 
            
                31.10
             |                     
            
                3.86
             |                                 
            
                95,680
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2008
             | 
            
                -1.50 / -4.81%
             |             
            
                29.70
             |           
            
                29.70
             |               
            
                29.70
             |                           
            
                29.70
             | 
            
                29.70
             |                     
            
                3.69
             |                                 
            
                53,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2008
             | 
            
                -1.60 / -4.88%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                31.20
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                3.87
             |                                 
            
                11,640
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2008
             | 
            
                -1.70 / -4.93%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                32.80
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                4.07
             |                                 
            
                88,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/29/2008
             | 
            
                -0.50 / -1.43%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.50
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                4.28
             |                                 
            
                67,710
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2008
             | 
            
                +0.50 / +1.45%
             |             
            
                35.10
             |           
            
                35.10
             |               
            
                34.50
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                4.34
             |                                 
            
                81,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2008
             | 
            
                -1.40 / -3.90%
             |             
            
                34.50
             |           
            
                36.00
             |               
            
                34.50
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                4.28
             |                                 
            
                59,920
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2008
             | 
            
                -1.80 / -4.77%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                35.90
             |                           
            
                35.90
             | 
            
                35.90
             |                     
            
                4.46
             |                                 
            
                41,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2008
             | 
            
                +1.60 / +4.43%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                36.50
             |                           
            
                37.70
             | 
            
                37.70
             |                     
            
                4.68
             |                                 
            
                46,720
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2008
             | 
            
                -1.90 / -5.00%
             |             
            
                36.10
             |           
            
                36.10
             |               
            
                36.10
             |                           
            
                36.10
             | 
            
                36.10
             |                     
            
                4.48
             |                                 
            
                30,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2008
             | 
            
                -1.90 / -4.76%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                38.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                4.72
             |                                 
            
                20,490
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2008
             | 
            
                -2.10 / -5.00%
             |             
            
                39.90
             |           
            
                42.00
             |               
            
                39.90
             |                           
            
                39.90
             | 
            
                39.90
             |                     
            
                4.95
             |                                 
            
                47,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2008
             | 
            
                -0.90 / -2.10%
             |             
            
                42.90
             |           
            
                42.90
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                5.21
             |                                 
            
                41,970
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2008
             | 
            
                -2.20 / -4.88%
             |             
            
                42.90
             |           
            
                43.20
             |               
            
                42.90
             |                           
            
                42.90
             | 
            
                42.90
             |                     
            
                5.32
             |                                 
            
                65,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2008
             | 
            
                -0.60 / -1.31%
             |             
            
                45.70
             |           
            
                46.00
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.10
             |                     
            
                5.60
             |                                 
            
                19,670
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2008
             | 
            
                -1.80 / -3.79%
             |             
            
                47.00
             |           
            
                47.50
             |               
            
                45.70
             |                           
            
                45.70
             | 
            
                45.70
             |                     
            
                5.67
             |                                 
            
                54,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2008
             | 
            
                0.00 / 0.00%
             |             
            
                47.00
             |           
            
                47.50
             |               
            
                45.60
             |                           
            
                47.50
             | 
            
                47.50
             |                     
            
                5.90
             |                                 
            
                34,990
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2008
             | 
            
                -0.50 / -1.04%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.40
             |                           
            
                47.50
             | 
            
                47.50
             |                     
            
                5.90
             |                                 
            
                33,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2008
             | 
            
                +0.50 / +1.05%
             |             
            
                48.00
             |           
            
                48.20
             |               
            
                47.50
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                5.96
             |                                 
            
                122,150
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2008
             | 
            
                -0.60 / -1.25%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.00
             |                           
            
                47.50
             | 
            
                47.50
             |                     
            
                5.90
             |                                 
            
                83,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2008
             | 
            
                +2.20 / +4.79%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                47.00
             |                           
            
                48.10
             | 
            
                48.10
             |                     
            
                5.97
             |                                 
            
                110,240
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2008
             | 
            
                +0.90 / +2.00%
             |             
            
                44.70
             |           
            
                45.90
             |               
            
                44.70
             |                           
            
                45.90
             | 
            
                45.90
             |                     
            
                5.70
             |                                 
            
                85,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2008
             | 
            
                -0.50 / -1.10%
             |             
            
                45.50
             |           
            
                46.00
             |               
            
                44.70
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                5.59
             |                                 
            
                59,840
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2008
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                46.00
             |               
            
                44.50
             |                           
            
                45.50
             | 
            
                45.50
             |                     
            
                5.65
             |                                 
            
                39,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2008
             | 
            
                0.00 / 0.00%
             |             
            
                47.70
             |           
            
                47.70
             |               
            
                45.50
             |                           
            
                45.50
             | 
            
                45.50
             |                     
            
                5.65
             |                                 
            
                44,720
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2008
             | 
            
                -1.50 / -3.19%
             |             
            
                45.00
             |           
            
                45.50
             |               
            
                44.70
             |                           
            
                45.50
             | 
            
                45.50
             |                     
            
                5.65
             |                                 
            
                106,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2008
             | 
            
                -2.00 / -4.08%
             |             
            
                47.00
             |           
            
                47.50
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                5.83
             |                                 
            
                20,520
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2008
             | 
            
                -0.90 / -1.80%
             |             
            
                48.30
             |           
            
                49.00
             |               
            
                48.30
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                6.08
             |                                 
            
                9,370
             |  
            
                 
             |                                                              
             
    
         
    
    
 |