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                    Closing price on 6/27/2012
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                    | Open | 29.30 |  
                    | High | 29.30 |  
                    | Low | 29.30 |  
                    | Volume | 1,500 |  
                    | Split-adjusted Price | 4.01 |  
                
             | 
 |  MPC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/27/2012 | -0.20 / -0.68% | 29.30 | 29.30 | 29.30 | 29.30 | 29.30 | 4.01 | 1,500 |   |  
            | 6/26/2012 | 0.00 / 0.00% | 29.50 | 29.50 | 29.50 | 29.50 | 29.50 | 4.04 | 70 |   |  			
            | 6/25/2012 | -0.10 / -0.34% | 29.50 | 29.50 | 29.50 | 29.50 | 29.50 | 4.04 | 1,590 |   |  
            | 6/22/2012 | -0.50 / -1.66% | 28.70 | 30.00 | 28.70 | 29.60 | 29.60 | 4.05 | 950 |   |  			
            | 6/21/2012 | -0.80 / -2.59% | 30.90 | 30.90 | 30.10 | 30.10 | 30.10 | 4.12 | 6,070 |   |  
            | 6/20/2012 | +0.60 / +1.98% | 30.90 | 30.90 | 30.90 | 30.90 | 30.90 | 4.23 | 110 |   |  			
            | 6/19/2012 | -0.70 / -2.26% | 30.30 | 30.30 | 30.30 | 30.30 | 30.30 | 4.15 | 125,500 |   |  
            | 6/18/2012 | +1.40 / +4.73% | 28.50 | 31.00 | 28.50 | 31.00 | 31.00 | 4.24 | 7,280 |   |  			
            | 6/15/2012 | -0.70 / -2.31% | 29.20 | 30.30 | 29.20 | 29.60 | 29.60 | 4.05 | 3,050 |   |  
            | 6/14/2012 | 0.00 / 0.00% | 29.00 | 30.30 | 29.00 | 30.30 | 30.30 | 4.15 | 2,080 |   |  			
            | 6/13/2012 | -1.50 / -4.72% | 30.50 | 30.80 | 30.30 | 30.30 | 30.30 | 4.15 | 5,820 |   |  
            | 6/12/2012 | +1.30 / +4.26% | 29.00 | 31.80 | 29.00 | 31.80 | 31.80 | 4.35 | 3,800 |   |  			
            | 6/11/2012 | 0.00 / 0.00% | 30.50 | 30.50 | 30.50 | 30.50 | 30.50 | 4.17 | 0 |   |  
            | 6/8/2012 | 0.00 / 0.00% | 30.00 | 30.50 | 30.00 | 30.50 | 30.50 | 4.17 | 690 |   |  			
            | 6/7/2012 | +1.00 / +3.39% | 29.50 | 30.50 | 28.90 | 30.50 | 30.50 | 4.17 | 3,000 |   |  
            | 6/6/2012 | +1.00 / +3.51% | 28.50 | 29.50 | 28.50 | 29.50 | 29.50 | 4.04 | 2,260 |   |  			
            | 6/5/2012 | 0.00 / 0.00% | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 | 3.90 | 5,550 |   |  
            | 6/4/2012 | -1.10 / -3.72% | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 | 3.90 | 3,220 |   |  			
            | 6/1/2012 | +0.10 / +0.34% | 30.00 | 30.00 | 29.60 | 29.60 | 29.60 | 4.05 | 6,580 |   |  
            | 5/31/2012 | -0.50 / -1.67% | 29.50 | 29.50 | 29.50 | 29.50 | 29.50 | 4.04 | 5,010 |   |  			
            | 5/30/2012 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 4.10 | 4,680 |   |  
            | 5/29/2012 | -1.00 / -3.23% | 29.50 | 30.00 | 29.50 | 30.00 | 30.00 | 4.10 | 178,270 |   |  			
            | 5/28/2012 | +0.50 / +1.64% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 4.24 | 780 |   |  
            | 5/25/2012 | 0.00 / 0.00% | 30.50 | 30.50 | 30.50 | 30.50 | 30.50 | 4.17 | 2,100 |   |  			
            | 5/24/2012 | +0.50 / +1.67% | 29.00 | 30.50 | 29.00 | 30.50 | 30.50 | 4.17 | 12,320 |   |  
            | 5/23/2012 | -1.00 / -3.23% | 30.00 | 30.00 | 29.50 | 30.00 | 30.00 | 4.10 | 720 |   |  			
            | 5/22/2012 | -0.70 / -2.21% | 30.20 | 31.50 | 30.20 | 31.00 | 31.00 | 4.24 | 9,080 |   |  
            | 5/21/2012 | +0.70 / +2.26% | 29.70 | 31.80 | 29.70 | 31.70 | 31.70 | 4.34 | 14,570 |   |  			
            | 5/18/2012 | 0.00 / 0.00% | 29.70 | 31.00 | 29.50 | 31.00 | 31.00 | 4.24 | 15,250 |   |  
            | 5/17/2012 | 0.00 / 0.00% | 31.00 | 31.60 | 31.00 | 31.00 | 31.00 | 4.24 | 4,500 |   |  |