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                    Closing price on 7/25/2011
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                    | Open | 20.50 |  
                    | High | 20.50 |  
                    | Low | 20.40 |  
                    | Volume | 1,150 |  
                    | Split-adjusted Price | 2.80 |  
                
             | 
 |  MPC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/25/2011 | +0.10 / +0.49% | 20.50 | 20.50 | 20.40 | 20.50 | 20.50 | 2.80 | 1,150 |   |  
            | 7/22/2011 | +0.40 / +2.00% | 19.80 | 20.40 | 19.80 | 20.40 | 20.40 | 2.79 | 350 |   |  			
            | 7/21/2011 | 0.00 / 0.00% | 20.00 | 20.30 | 19.50 | 20.00 | 20.00 | 2.74 | 2,060 |   |  
            | 7/20/2011 | +0.30 / +1.52% | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 2.74 | 180 |   |  			
            | 7/19/2011 | -0.50 / -2.48% | 19.70 | 20.00 | 19.70 | 19.70 | 19.70 | 2.70 | 5,220 |   |  
            | 7/18/2011 | +0.20 / +1.00% | 20.20 | 20.20 | 20.20 | 20.20 | 20.20 | 2.76 | 10 |   |  			
            | 7/15/2011 | 0.00 / 0.00% | 20.00 | 20.10 | 20.00 | 20.00 | 20.00 | 2.74 | 7,390 |   |  
            | 7/14/2011 | -0.50 / -2.44% | 20.50 | 20.50 | 20.00 | 20.00 | 20.00 | 2.74 | 107,740 |   |  			
            | 7/13/2011 | +0.60 / +3.02% | 20.80 | 20.80 | 19.90 | 20.50 | 20.50 | 2.80 | 2,690 |   |  
            | 7/12/2011 | -0.60 / -2.93% | 19.80 | 19.90 | 19.60 | 19.90 | 19.90 | 2.72 | 112,000 |   |  			
            | 7/11/2011 | -0.70 / -3.30% | 21.20 | 21.20 | 20.50 | 20.50 | 20.50 | 2.80 | 13,140 |   |  
            | 7/8/2011 | -0.30 / -1.40% | 22.10 | 22.10 | 21.00 | 21.20 | 21.20 | 2.90 | 7,840 |   |  			
            | 7/7/2011 | -0.60 / -2.71% | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 2.94 | 1,840 |   |  
            | 7/6/2011 | -1.10 / -4.74% | 23.00 | 23.00 | 22.10 | 22.10 | 22.10 | 3.02 | 5,350 |   |  			
            | 7/5/2011 | +1.00 / +4.50% | 22.30 | 23.20 | 22.30 | 23.20 | 23.20 | 3.17 | 11,010 |   |  
            | 7/4/2011 | 0.00 / 0.00% | 23.20 | 23.20 | 22.00 | 22.20 | 22.20 | 3.04 | 5,960 |   |  			
            | 7/1/2011 | -0.90 / -3.90% | 23.10 | 23.10 | 22.10 | 22.20 | 22.20 | 3.04 | 1,910 |   |  
            | 6/30/2011 | -0.10 / -0.43% | 23.30 | 23.50 | 23.10 | 23.10 | 23.10 | 3.16 | 5,090 |   |  			
            | 6/29/2011 | 0.00 / 0.00% | 23.40 | 23.40 | 23.20 | 23.20 | 23.20 | 3.17 | 5,490 |   |  
            | 6/28/2011 | +0.70 / +3.11% | 23.60 | 23.60 | 22.60 | 23.20 | 23.20 | 3.17 | 21,350 |   |  			
            | 6/27/2011 | +1.00 / +4.65% | 21.50 | 22.50 | 21.50 | 22.50 | 22.50 | 3.08 | 29,540 |   |  
            | 6/24/2011 | 0.00 / 0.00% | 21.50 | 21.60 | 21.10 | 21.50 | 21.50 | 2.94 | 34,390 |   |  			
            | 6/23/2011 | 0.00 / 0.00% | 21.50 | 21.90 | 21.50 | 21.50 | 21.50 | 2.94 | 18,950 |   |  
            | 6/22/2011 | 0.00 / 0.00% | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 2.94 | 35,350 |   |  			
            | 6/21/2011 | 0.00 / 0.00% | 21.40 | 21.50 | 21.40 | 21.50 | 21.50 | 2.94 | 11,050 |   |  
            | 6/20/2011 | 0.00 / 0.00% | 21.10 | 21.50 | 21.10 | 21.50 | 21.50 | 2.94 | 5,620 |   |  			
            | 6/17/2011 | -0.20 / -0.92% | 21.70 | 21.70 | 21.40 | 21.50 | 21.50 | 2.94 | 7,000 |   |  
            | 6/16/2011 | -0.40 / -1.81% | 21.30 | 22.00 | 21.20 | 21.70 | 21.70 | 2.97 | 10,310 |   |  			
            | 6/15/2011 | -1.10 / -4.74% | 22.30 | 22.30 | 22.10 | 22.10 | 22.10 | 3.02 | 6,110 |   |  
            | 6/14/2011 | -0.60 / -2.52% | 23.80 | 23.80 | 23.20 | 23.20 | 23.20 | 3.17 | 211,232 |   |  |