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            | 
                    Closing price on 1/15/2010
                 |  |  
    
        |           
                
                    | Open | 33.90 |  
                    | High | 33.90 |  
                    | Low | 31.50 |  
                    | Volume | 30,780 |  
                    | Split-adjusted Price | 4.38 |  
                
             | 
 |  MPC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/15/2010 | -0.90 / -2.74% | 33.90 | 33.90 | 31.50 | 32.00 | 32.00 | 4.38 | 30,780 |   |  
            | 1/14/2010 | 0.00 / 0.00% | 34.40 | 34.40 | 32.90 | 32.90 | 32.90 | 4.50 | 38,820 |   |  			
            | 1/13/2010 | -0.40 / -1.20% | 32.50 | 33.30 | 31.90 | 32.90 | 32.90 | 4.50 | 125,100 |   |  
            | 1/12/2010 | -1.70 / -4.86% | 35.00 | 35.30 | 33.30 | 33.30 | 33.30 | 4.56 | 52,790 |   |  			
            | 1/11/2010 | +0.10 / +0.29% | 34.70 | 35.50 | 34.50 | 35.00 | 35.00 | 4.79 | 59,740 |   |  
            | 1/8/2010 | -1.80 / -4.90% | 38.50 | 38.50 | 34.90 | 34.90 | 34.90 | 4.78 | 266,610 |   |  			
            | 1/7/2010 | +1.70 / +4.86% | 35.10 | 36.70 | 35.00 | 36.70 | 36.70 | 5.02 | 213,500 |   |  
            | 1/6/2010 | +0.20 / +0.57% | 35.00 | 35.80 | 35.00 | 35.00 | 35.00 | 4.79 | 126,680 |   |  			
            | 1/5/2010 | +0.10 / +0.29% | 36.40 | 36.40 | 34.80 | 34.80 | 34.80 | 4.76 | 101,160 |   |  
            | 1/4/2010 | +1.60 / +4.83% | 34.50 | 34.70 | 34.50 | 34.70 | 34.70 | 4.75 | 84,950 |   |  			
            | 12/31/2009 | +1.40 / +4.42% | 32.10 | 33.20 | 32.10 | 33.10 | 33.10 | 4.53 | 186,850 |   |  
            | 12/30/2009 | +1.30 / +4.28% | 30.00 | 31.70 | 30.00 | 31.70 | 31.70 | 4.34 | 103,100 |   |  			
            | 12/29/2009 | -1.60 / -5.00% | 31.10 | 31.80 | 30.40 | 30.40 | 30.40 | 4.16 | 23,700 |   |  
            | 12/28/2009 | +1.20 / +3.90% | 30.80 | 32.10 | 30.20 | 32.00 | 32.00 | 4.38 | 67,960 |   |  			
            | 12/25/2009 | +1.40 / +4.76% | 30.80 | 30.80 | 30.80 | 30.80 | 30.80 | 4.21 | 73,990 |   |  
            | 12/24/2009 | +1.40 / +5.00% | 27.70 | 29.40 | 27.50 | 29.40 | 29.40 | 4.02 | 93,610 |   |  			
            | 12/23/2009 | +0.10 / +0.36% | 27.20 | 28.00 | 26.80 | 28.00 | 28.00 | 3.83 | 34,060 |   |  
            | 12/22/2009 | -1.00 / -3.46% | 28.90 | 28.90 | 27.50 | 27.90 | 27.90 | 3.82 | 70,990 |   |  			
            | 12/21/2009 | +1.30 / +4.71% | 28.80 | 28.90 | 28.00 | 28.90 | 28.90 | 3.95 | 34,160 |   |  
            | 12/18/2009 | +1.30 / +4.94% | 26.90 | 27.60 | 26.70 | 27.60 | 27.60 | 3.78 | 41,920 |   |  			
            | 12/17/2009 | -1.30 / -4.71% | 26.30 | 26.40 | 26.30 | 26.30 | 26.30 | 3.60 | 21,290 |   |  
            | 12/16/2009 | -1.40 / -4.83% | 28.00 | 28.00 | 27.60 | 27.60 | 27.60 | 3.78 | 88,000 |   |  			
            | 12/15/2009 | -0.20 / -0.68% | 27.90 | 29.80 | 27.90 | 29.00 | 29.00 | 3.97 | 25,150 |   |  
            | 12/14/2009 | +1.00 / +3.55% | 27.10 | 29.50 | 27.10 | 29.20 | 29.20 | 4.00 | 62,720 |   |  			
            | 12/11/2009 | -1.40 / -4.73% | 28.20 | 28.30 | 28.20 | 28.20 | 28.20 | 3.86 | 89,050 |   |  
            | 12/10/2009 | -1.40 / -4.52% | 30.70 | 31.60 | 29.60 | 29.60 | 29.60 | 4.05 | 85,630 |   |  			
            | 12/9/2009 | -1.60 / -4.91% | 31.20 | 32.60 | 31.00 | 31.00 | 31.00 | 4.24 | 84,660 |   |  
            | 12/8/2009 | -1.30 / -3.83% | 33.90 | 33.90 | 32.40 | 32.60 | 32.60 | 4.46 | 33,750 |   |  			
            | 12/7/2009 | +1.30 / +3.99% | 32.60 | 34.20 | 32.60 | 33.90 | 33.90 | 4.64 | 30,240 |   |  
            | 12/4/2009 | -0.60 / -1.81% | 34.30 | 34.30 | 32.60 | 32.60 | 32.60 | 4.46 | 89,880 |   |  |