| 
                 
                    Closing price on 6/9/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.40 | 
                 
                
                    | High | 
                    29.50 | 
                 
                
                    | Low | 
                    28.80 | 
                     
                
                    | Volume | 
                    47,300 | 
                                 
                
                    | Split-adjusted Price | 
                    3.97 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/9/2010
             | 
            
                -0.40 / -1.36%
             |             
            
                29.40
             |           
            
                29.50
             |               
            
                28.80
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                3.97
             |                                 
            
                47,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2010
             | 
            
                +0.40 / +1.38%
             |             
            
                28.40
             |           
            
                29.40
             |               
            
                28.40
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                4.02
             |                                 
            
                31,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2010
             | 
            
                -0.50 / -1.69%
             |             
            
                28.50
             |           
            
                29.10
             |               
            
                28.50
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                3.97
             |                                 
            
                77,410
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2010
             | 
            
                -0.40 / -1.34%
             |             
            
                29.90
             |           
            
                29.90
             |               
            
                29.00
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                4.04
             |                                 
            
                14,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2010
             | 
            
                -0.10 / -0.33%
             |             
            
                30.40
             |           
            
                30.40
             |               
            
                29.90
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                4.09
             |                                 
            
                41,190
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2010
             | 
            
                -0.10 / -0.33%
             |             
            
                29.50
             |           
            
                30.10
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                4.10
             |                                 
            
                64,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2010
             | 
            
                +0.10 / +0.33%
             |             
            
                29.30
             |           
            
                30.50
             |               
            
                29.30
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                4.12
             |                                 
            
                56,440
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2010
             | 
            
                +0.20 / +0.67%
             |             
            
                28.70
             |           
            
                30.00
             |               
            
                28.70
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                4.10
             |                                 
            
                60,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2010
             | 
            
                +1.40 / +4.93%
             |             
            
                29.40
             |           
            
                29.80
             |               
            
                28.50
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                4.08
             |                                 
            
                78,150
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2010
             | 
            
                +0.40 / +1.43%
             |             
            
                28.20
             |           
            
                29.00
             |               
            
                27.50
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                3.89
             |                                 
            
                91,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2010
             | 
            
                +0.80 / +2.94%
             |             
            
                27.00
             |           
            
                28.10
             |               
            
                27.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                3.83
             |                                 
            
                121,040
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2010
             | 
            
                0.00 / 0.00%
             |             
            
                28.00
             |           
            
                28.20
             |               
            
                27.20
             |                           
            
                27.20
             | 
            
                27.20
             |                     
            
                3.72
             |                                 
            
                80,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2010
             | 
            
                +0.60 / +2.26%
             |             
            
                26.10
             |           
            
                27.20
             |               
            
                26.10
             |                           
            
                27.20
             | 
            
                27.20
             |                     
            
                3.72
             |                                 
            
                47,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2010
             | 
            
                -1.40 / -5.00%
             |             
            
                26.60
             |           
            
                27.80
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                3.64
             |                                 
            
                232,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2010
             | 
            
                +0.10 / +0.36%
             |             
            
                27.00
             |           
            
                28.00
             |               
            
                27.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                3.83
             |                                 
            
                53,840
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2010
             | 
            
                0.00 / 0.00%
             |             
            
                27.80
             |           
            
                29.00
             |               
            
                27.80
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                3.82
             |                                 
            
                68,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2010
             | 
            
                -0.20 / -0.71%
             |             
            
                28.10
             |           
            
                28.30
             |               
            
                27.60
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                3.82
             |                                 
            
                54,850
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2010
             | 
            
                -1.00 / -3.44%
             |             
            
                28.60
             |           
            
                29.10
             |               
            
                28.00
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                3.84
             |                                 
            
                65,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2010
             | 
            
                +0.90 / +3.19%
             |             
            
                28.20
             |           
            
                29.10
             |               
            
                28.20
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                3.98
             |                                 
            
                51,340
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2010
             | 
            
                -1.30 / -4.41%
             |             
            
                29.50
             |           
            
                29.60
             |               
            
                28.20
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                3.86
             |                                 
            
                78,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2010
             | 
            
                -1.50 / -4.84%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                29.50
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                4.04
             |                                 
            
                169,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2010
             | 
            
                0.00 / 0.00%
             |             
            
                31.10
             |           
            
                31.60
             |               
            
                30.60
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                4.24
             |                                 
            
                81,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2010
             | 
            
                -0.60 / -1.90%
             |             
            
                30.60
             |           
            
                31.50
             |               
            
                30.10
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                4.24
             |                                 
            
                37,520
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2010
             | 
            
                -1.40 / -4.24%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                31.50
             |                           
            
                31.60
             | 
            
                31.60
             |                     
            
                4.32
             |                                 
            
                111,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2010
             | 
            
                +1.50 / +4.76%
             |             
            
                32.00
             |           
            
                33.00
             |               
            
                31.80
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.52
             |                                 
            
                163,510
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2010
             | 
            
                -0.40 / -1.25%
             |             
            
                31.30
             |           
            
                32.20
             |               
            
                31.30
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                4.31
             |                                 
            
                116,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2010
             | 
            
                +0.40 / +1.27%
             |             
            
                31.70
             |           
            
                32.40
             |               
            
                31.70
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                4.36
             |                                 
            
                114,360
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2010
             | 
            
                0.00 / 0.00%
             |             
            
                31.50
             |           
            
                31.90
             |               
            
                31.40
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                4.31
             |                                 
            
                34,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2010
             | 
            
                +0.20 / +0.64%
             |             
            
                31.70
             |           
            
                31.70
             |               
            
                31.20
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                4.31
             |                                 
            
                59,680
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2010
             | 
            
                -0.50 / -1.57%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                31.30
             |                           
            
                31.30
             | 
            
                31.30
             |                     
            
                4.28
             |                                 
            
                39,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |