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                    Closing price on 8/19/2011
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                    | Open | 22.20 |  
                    | High | 22.20 |  
                    | Low | 21.10 |  
                    | Volume | 7,970 |  
                    | Split-adjusted Price | 2.89 |  
                
             | 
 |  MPC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/19/2011 | -0.10 / -0.47% | 22.20 | 22.20 | 21.10 | 21.10 | 21.10 | 2.89 | 7,970 |   |  
            | 8/18/2011 | 0.00 / 0.00% | 21.50 | 21.50 | 21.20 | 21.20 | 21.20 | 2.90 | 780 |   |  			
            | 8/17/2011 | +0.20 / +0.95% | 21.40 | 21.50 | 21.00 | 21.20 | 21.20 | 2.90 | 27,950 |   |  
            | 8/16/2011 | -0.60 / -2.78% | 21.60 | 21.60 | 21.00 | 21.00 | 21.00 | 2.87 | 18,980 |   |  			
            | 8/15/2011 | -0.40 / -1.82% | 22.30 | 22.30 | 21.60 | 21.60 | 21.60 | 2.96 | 3,290 |   |  
            | 8/12/2011 | 0.00 / 0.00% | 22.20 | 22.20 | 21.70 | 22.00 | 22.00 | 3.01 | 82,680 |   |  			
            | 8/11/2011 | 0.00 / 0.00% | 22.00 | 22.00 | 22.00 | 22.00 | 22.00 | 3.01 | 5,050 |   |  
            | 8/10/2011 | +0.40 / +1.85% | 22.30 | 22.30 | 21.60 | 22.00 | 22.00 | 3.01 | 51,680 |   |  			
            | 8/9/2011 | -0.70 / -3.14% | 22.10 | 22.20 | 21.30 | 21.60 | 21.60 | 2.96 | 40,740 |   |  
            | 8/8/2011 | +0.30 / +1.36% | 22.60 | 22.60 | 22.00 | 22.30 | 22.30 | 3.05 | 9,360 |   |  			
            | 8/5/2011 | +0.10 / +0.46% | 22.50 | 22.50 | 21.60 | 22.00 | 22.00 | 3.01 | 5,370 |   |  
            | 8/4/2011 | +0.50 / +2.34% | 22.00 | 22.20 | 21.00 | 21.90 | 21.90 | 3.00 | 33,100 |   |  			
            | 8/3/2011 | +0.60 / +2.88% | 20.80 | 21.60 | 20.60 | 21.40 | 21.40 | 2.93 | 25,180 |   |  
            | 8/2/2011 | +0.50 / +2.46% | 20.90 | 20.90 | 20.40 | 20.80 | 20.80 | 2.85 | 17,220 |   |  			
            | 8/1/2011 | +0.30 / +1.50% | 20.90 | 21.00 | 20.10 | 20.30 | 20.30 | 2.78 | 51,200 |   |  
            | 7/29/2011 | -1.00 / -4.76% | 20.50 | 21.10 | 20.00 | 20.00 | 20.00 | 2.74 | 53,240 |   |  			
            | 7/28/2011 | 0.00 / 0.00% | 21.70 | 21.70 | 20.80 | 21.00 | 21.00 | 2.87 | 23,170 |   |  
            | 7/27/2011 | +0.50 / +2.44% | 20.30 | 21.00 | 19.90 | 21.00 | 21.00 | 2.87 | 7,330 |   |  			
            | 7/26/2011 | 0.00 / 0.00% | 20.50 | 20.50 | 20.50 | 20.50 | 20.50 | 2.80 | 0 |   |  
            | 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 |   |  |