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                    Closing price on 4/20/2007
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        |           
                
                    | Open | 62.50 |  
                    | High | 68.70 |  
                    | Low | 62.00 |  
                    | Volume | 1,700 |  
                    | Split-adjusted Price | 49.43 |  
                
             | 
 |  MEC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/20/2007 | -0.50 / -0.80% | 62.50 | 68.70 | 62.00 | 62.00 | 62.00 | 49.43 | 1,700 |   |  
            | 4/19/2007 | +0.50 / +0.81% | 62.50 | 62.50 | 62.50 | 62.50 | 62.50 | 49.83 | 2,000 |   |  			
            | 4/18/2007 | -4.20 / -6.34% | 60.10 | 62.00 | 59.60 | 62.00 | 62.00 | 49.43 | 2,600 |   |  
            | 4/17/2007 | -7.30 / -9.93% | 66.20 | 66.20 | 66.20 | 66.20 | 66.20 | 52.78 | 300 |   |  			
            | 4/16/2007 | +0.50 / +0.68% | 73.50 | 73.50 | 73.50 | 73.50 | 73.50 | 58.60 | 0 |   |  
            | 4/13/2007 | -2.00 / -2.67% | 73.50 | 74.00 | 73.00 | 73.00 | 73.00 | 58.21 | 1,600 |   |  			
            | 4/12/2007 | 0.00 / 0.00% | 75.00 | 75.00 | 75.00 | 75.00 | 75.00 | 59.80 | 1,000 |   |  
            | 4/11/2007 | 0.00 / 0.00% | 74.90 | 75.00 | 74.50 | 75.00 | 75.00 | 59.80 | 500 |   |  			
            | 4/10/2007 | 0.00 / 0.00% | 75.00 | 75.00 | 75.00 | 75.00 | 75.00 | 59.80 | 0 |   |  
            | 4/9/2007 | 0.00 / 0.00% | 75.00 | 75.00 | 75.00 | 75.00 | 75.00 | 59.80 | 0 |   |  			
            | 4/6/2007 | 0.00 / 0.00% | 75.00 | 75.00 | 75.00 | 75.00 | 75.00 | 59.80 | 0 |   |  
            | 4/5/2007 | 0.00 / 0.00% | 75.00 | 75.00 | 75.00 | 75.00 | 75.00 | 59.80 | 500 |   |  			
            | 4/4/2007 | +8.00 / +11.94% | 74.90 | 75.00 | 74.00 | 75.00 | 75.00 | 59.80 | 2,000 |   |  
            | 4/3/2007 | -3.00 / -4.29% | 74.10 | 81.50 | 67.00 | 67.00 | 67.00 | 53.42 | 2,000 |   |  			
            | 4/2/2007 | +1.00 / +1.45% | 70.00 | 75.00 | 70.00 | 70.00 | 70.00 | 55.81 | 1,400 |   |  
            | 3/30/2007 | +6.00 / +9.52% | 69.00 | 69.00 | 69.00 | 69.00 | 69.00 | 55.02 | 3,000 |   |  			
            | 3/29/2007 | 0.00 / 0.00% | 62.00 | 63.00 | 62.00 | 63.00 | 63.00 | 50.23 | 1,400 |   |  
            | 3/28/2007 | 0.00 / 0.00% | 58.10 | 63.00 | 56.70 | 63.00 | 63.00 | 50.23 | 1,400 |   |  			
            | 3/27/2007 | -5.00 / -7.35% | 63.00 | 63.00 | 63.00 | 63.00 | 63.00 | 50.23 | 200 |   |  
            | 3/26/2007 | -4.00 / -5.56% | 70.90 | 75.10 | 64.80 | 68.00 | 68.00 | 54.22 | 2,400 |   |  			
            | 3/23/2007 | -8.00 / -10.00% | 72.00 | 72.00 | 72.00 | 72.00 | 72.00 | 57.41 | 100 |   |  
            | 3/22/2007 | -4.00 / -4.76% | 80.00 | 80.00 | 80.00 | 80.00 | 80.00 | 63.79 | 500 |   |  			
            | 3/21/2007 | -4.50 / -5.08% | 84.50 | 86.00 | 84.00 | 84.00 | 84.00 | 66.98 | 1,200 |   |  
            | 3/20/2007 | +8.00 / +9.94% | 80.50 | 88.50 | 80.00 | 88.50 | 88.50 | 70.56 | 1,300 |   |  			
            | 3/19/2007 | +7.30 / +9.97% | 80.50 | 80.50 | 80.50 | 80.50 | 80.50 | 64.19 | 1,300 |   |  
            | 3/16/2007 | -8.10 / -9.96% | 73.20 | 73.20 | 73.20 | 73.20 | 73.20 | 58.36 | 4,500 |   |  			
            | 3/15/2007 | -0.70 / -0.85% | 81.30 | 81.30 | 81.30 | 81.30 | 81.30 | 64.82 | 1,000 |   |  
            | 3/14/2007 | -8.00 / -8.89% | 90.30 | 92.00 | 82.00 | 82.00 | 82.00 | 65.38 | 9,300 |   |  			
            | 3/13/2007 | -2.00 / -2.17% | 90.60 | 95.00 | 87.60 | 90.00 | 90.00 | 71.76 | 7,700 |   |  
            | 3/12/2007 | +8.00 / +9.52% | 90.00 | 93.10 | 90.00 | 92.00 | 92.00 | 73.35 | 6,400 |   |  |