| 
                 
                    Closing price on 8/17/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.60 | 
                 
                
                    | High | 
                    30.60 | 
                 
                
                    | Low | 
                    30.00 | 
                     
                
                    | Volume | 
                    31,870 | 
                                 
                
                    | Split-adjusted Price | 
                    4.17 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/17/2010
             | 
            
                -0.10 / -0.33%
             |             
            
                30.60
             |           
            
                30.60
             |               
            
                30.00
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                4.17
             |                                 
            
                31,870
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2010
             | 
            
                +0.70 / +2.34%
             |             
            
                29.80
             |           
            
                30.70
             |               
            
                29.80
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                4.19
             |                                 
            
                26,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2010
             | 
            
                +0.60 / +2.05%
             |             
            
                29.00
             |           
            
                29.90
             |               
            
                29.00
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                4.09
             |                                 
            
                40,650
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2010
             | 
            
                -0.70 / -2.33%
             |             
            
                30.00
             |           
            
                30.10
             |               
            
                29.20
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                4.01
             |                                 
            
                21,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2010
             | 
            
                +0.50 / +1.69%
             |             
            
                29.50
             |           
            
                30.10
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                4.10
             |                                 
            
                12,830
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2010
             | 
            
                -0.10 / -0.34%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                29.30
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                4.04
             |                                 
            
                76,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2010
             | 
            
                -0.40 / -1.33%
             |             
            
                30.00
             |           
            
                30.40
             |               
            
                29.60
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                4.05
             |                                 
            
                40,730
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2010
             | 
            
                +0.40 / +1.35%
             |             
            
                29.80
             |           
            
                30.00
             |               
            
                29.70
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                4.10
             |                                 
            
                37,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2010
             | 
            
                -0.10 / -0.34%
             |             
            
                29.90
             |           
            
                29.90
             |               
            
                29.50
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                4.05
             |                                 
            
                27,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2010
             | 
            
                -0.20 / -0.67%
             |             
            
                29.80
             |           
            
                30.30
             |               
            
                29.70
             |                           
            
                29.70
             | 
            
                29.70
             |                     
            
                4.06
             |                                 
            
                11,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2010
             | 
            
                0.00 / 0.00%
             |             
            
                30.40
             |           
            
                30.40
             |               
            
                29.90
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                4.09
             |                                 
            
                21,480
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2010
             | 
            
                +0.20 / +0.67%
             |             
            
                29.90
             |           
            
                29.90
             |               
            
                29.70
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                4.09
             |                                 
            
                36,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2010
             | 
            
                +0.10 / +0.34%
             |             
            
                29.30
             |           
            
                30.00
             |               
            
                29.30
             |                           
            
                29.70
             | 
            
                29.70
             |                     
            
                4.06
             |                                 
            
                14,660
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2010
             | 
            
                -0.50 / -1.66%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                29.60
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                4.05
             |                                 
            
                23,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2010
             | 
            
                -0.40 / -1.31%
             |             
            
                30.50
             |           
            
                31.40
             |               
            
                30.00
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                4.12
             |                                 
            
                12,910
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2010
             | 
            
                -0.40 / -1.29%
             |             
            
                30.90
             |           
            
                30.90
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                4.17
             |                                 
            
                26,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                30.90
             |           
            
                30.90
             |               
            
                30.50
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                4.23
             |                                 
            
                36,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2010
             | 
            
                -0.10 / -0.32%
             |             
            
                30.80
             |           
            
                31.30
             |               
            
                30.80
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                4.23
             |                                 
            
                29,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2010
             | 
            
                +1.00 / +3.33%
             |             
            
                30.50
             |           
            
                31.50
             |               
            
                30.40
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                4.24
             |                                 
            
                85,350
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2010
             | 
            
                -0.50 / -1.64%
             |             
            
                30.00
             |           
            
                30.50
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                4.10
             |                                 
            
                19,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2010
             | 
            
                +0.70 / +2.35%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                29.70
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                4.17
             |                                 
            
                47,290
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2010
             | 
            
                0.00 / 0.00%
             |             
            
                29.80
             |           
            
                30.30
             |               
            
                29.80
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                4.08
             |                                 
            
                45,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2010
             | 
            
                -1.20 / -3.87%
             |             
            
                30.00
             |           
            
                30.50
             |               
            
                29.70
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                4.08
             |                                 
            
                15,770
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2010
             | 
            
                -0.30 / -0.96%
             |             
            
                30.30
             |           
            
                31.30
             |               
            
                30.30
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                4.24
             |                                 
            
                21,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2010
             | 
            
                -0.10 / -0.32%
             |             
            
                31.40
             |           
            
                31.70
             |               
            
                31.30
             |                           
            
                31.30
             | 
            
                31.30
             |                     
            
                4.28
             |                                 
            
                24,020
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2010
             | 
            
                +1.00 / +3.29%
             |             
            
                31.30
             |           
            
                31.40
             |               
            
                30.50
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                4.30
             |                                 
            
                42,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2010
             | 
            
                +0.90 / +3.05%
             |             
            
                29.70
             |           
            
                30.40
             |               
            
                29.50
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                4.16
             |                                 
            
                41,130
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2010
             | 
            
                0.00 / 0.00%
             |             
            
                30.20
             |           
            
                30.50
             |               
            
                29.50
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                4.04
             |                                 
            
                15,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2010
             | 
            
                +0.50 / +1.72%
             |             
            
                29.50
             |           
            
                30.00
             |               
            
                29.00
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                4.04
             |                                 
            
                25,080
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2010
             | 
            
                -1.00 / -3.33%
             |             
            
                30.10
             |           
            
                30.10
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                3.97
             |                                 
            
                4,560
             |  
            
                 
             |                                                              
             
    
         
    
    
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