| 
    
        
            | 
                    Closing price on 12/20/2010
                 |  |  
    
        |           
                
                    | Open | 29.80 |  
                    | High | 30.00 |  
                    | Low | 29.00 |  
                    | Volume | 60,910 |  
                    | Split-adjusted Price | 3.97 |  
                
             | 
 |  MPC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/20/2010 | -1.00 / -3.33% | 29.80 | 30.00 | 29.00 | 29.00 | 29.00 | 3.97 | 60,910 |   |  
            | 12/17/2010 | -0.50 / -1.64% | 30.50 | 31.40 | 30.00 | 30.00 | 30.00 | 4.10 | 16,700 |   |  			
            | 12/16/2010 | 0.00 / 0.00% | 30.50 | 30.50 | 30.50 | 30.50 | 30.50 | 4.17 | 5,050 |   |  
            | 12/15/2010 | 0.00 / 0.00% | 31.80 | 31.90 | 30.50 | 30.50 | 30.50 | 4.17 | 9,470 |   |  			
            | 12/14/2010 | -0.60 / -1.93% | 32.60 | 32.60 | 30.50 | 30.50 | 30.50 | 4.17 | 15,240 |   |  
            | 12/13/2010 | +1.40 / +4.71% | 31.00 | 31.10 | 31.00 | 31.10 | 31.10 | 4.26 | 44,770 |   |  			
            | 12/10/2010 | -0.20 / -0.67% | 30.00 | 30.10 | 29.70 | 29.70 | 29.70 | 4.06 | 19,500 |   |  
            | 12/9/2010 | +0.70 / +2.40% | 30.00 | 30.30 | 29.90 | 29.90 | 29.90 | 4.09 | 12,530 |   |  			
            | 12/8/2010 | -0.80 / -2.67% | 30.00 | 30.00 | 29.20 | 29.20 | 29.20 | 4.00 | 7,380 |   |  
            | 12/7/2010 | -0.60 / -1.96% | 30.50 | 30.50 | 29.80 | 30.00 | 30.00 | 4.10 | 14,990 |   |  			
            | 12/6/2010 | -0.90 / -2.86% | 31.00 | 31.60 | 30.50 | 30.60 | 30.60 | 4.19 | 12,760 |   |  
            | 12/3/2010 | +0.40 / +1.29% | 32.20 | 32.20 | 31.50 | 31.50 | 31.50 | 4.31 | 11,720 |   |  			
            | 12/2/2010 | +0.80 / +2.64% | 31.10 | 31.10 | 30.00 | 31.10 | 31.10 | 4.26 | 18,000 |   |  
            | 12/1/2010 | -0.40 / -1.30% | 30.70 | 30.70 | 30.30 | 30.30 | 30.30 | 4.15 | 8,830 |   |  			
            | 11/30/2010 | +0.20 / +0.66% | 31.00 | 31.40 | 30.70 | 30.70 | 30.70 | 4.20 | 7,150 |   |  
            | 11/29/2010 | +0.30 / +0.99% | 30.40 | 30.50 | 29.20 | 30.50 | 30.50 | 4.17 | 6,750 |   |  			
            | 11/26/2010 | +0.60 / +2.03% | 30.30 | 30.30 | 29.70 | 30.20 | 30.20 | 4.13 | 12,870 |   |  
            | 11/25/2010 | -0.10 / -0.34% | 30.00 | 30.20 | 29.50 | 29.60 | 29.60 | 4.05 | 11,750 |   |  			
            | 11/24/2010 | +0.40 / +1.37% | 28.70 | 29.70 | 28.50 | 29.70 | 29.70 | 4.06 | 5,210 |   |  
            | 11/23/2010 | -0.60 / -2.01% | 29.30 | 29.90 | 29.20 | 29.30 | 29.30 | 4.01 | 10,630 |   |  			
            | 11/22/2010 | -0.10 / -0.33% | 29.00 | 29.90 | 28.50 | 29.90 | 29.90 | 4.09 | 14,590 |   |  
            | 11/19/2010 | -0.30 / -0.99% | 30.60 | 30.90 | 29.70 | 30.00 | 30.00 | 4.10 | 2,520 |   |  			
            | 11/18/2010 | +0.30 / +1.00% | 29.80 | 30.50 | 29.00 | 30.30 | 30.30 | 4.15 | 4,890 |   |  
            | 11/17/2010 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 4.10 | 2,800 |   |  			
            | 11/16/2010 | -0.50 / -1.64% | 31.30 | 31.30 | 30.00 | 30.00 | 30.00 | 4.10 | 1,290 |   |  
            | 11/15/2010 | -0.50 / -1.61% | 31.00 | 31.00 | 30.50 | 30.50 | 30.50 | 4.17 | 22,040 |   |  			
            | 11/12/2010 | 0.00 / 0.00% | 30.50 | 31.00 | 30.50 | 31.00 | 31.00 | 4.24 | 11,000 |   |  
            | 11/11/2010 | 0.00 / 0.00% | 30.50 | 31.00 | 29.70 | 31.00 | 31.00 | 4.24 | 1,810 |   |  			
            | 11/10/2010 | +0.30 / +0.98% | 30.70 | 31.70 | 29.50 | 31.00 | 31.00 | 4.24 | 17,020 |   |  
            | 11/9/2010 | -1.20 / -3.76% | 30.80 | 30.80 | 30.50 | 30.70 | 30.70 | 4.20 | 4,060 |   |  |