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                    Closing price on 9/16/2008
                 |  |  
    
        |           
                
                    | Open | 24.40 |  
                    | High | 24.50 |  
                    | Low | 23.80 |  
                    | Volume | 59,000 |  
                    | Split-adjusted Price | 18.98 |  
                
             | 
 |  MEC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/16/2008 | -2.20 / -8.46% | 24.40 | 24.50 | 23.80 | 23.80 | 23.88 | 18.98 | 59,000 |   |  
            | 9/15/2008 | +0.70 / +2.77% | 23.60 | 27.00 | 23.60 | 26.00 | 25.48 | 20.73 | 55,600 |   |  			
            | 9/12/2008 | -1.70 / -6.30% | 25.30 | 25.30 | 25.30 | 25.30 | 25.30 | 20.17 | 15,200 |   |  
            | 9/11/2008 | -1.30 / -4.59% | 27.40 | 28.00 | 27.00 | 27.00 | 27.14 | 21.53 | 10,200 |   |  			
            | 9/10/2008 | -1.70 / -5.67% | 30.00 | 30.50 | 28.30 | 28.30 | 28.95 | 22.56 | 54,200 |   |  
            | 9/9/2008 | -1.90 / -5.96% | 29.70 | 32.50 | 29.70 | 30.00 | 30.42 | 23.92 | 78,800 |   |  			
            | 9/8/2008 | -1.60 / -4.78% | 32.20 | 32.20 | 31.90 | 31.90 | 31.92 | 25.43 | 20,100 |   |  
            | 9/5/2008 | -1.50 / -4.29% | 34.60 | 35.00 | 32.50 | 33.50 | 34.20 | 26.71 | 48,600 |   |  			
            | 9/4/2008 | +1.00 / +2.94% | 36.30 | 36.30 | 31.70 | 35.00 | 34.62 | 27.91 | 131,600 |   |  
            | 9/3/2008 | +0.10 / +0.29% | 34.00 | 34.00 | 34.00 | 34.00 | 34.00 | 27.11 | 4,800 |   |  			
            | 8/29/2008 | +0.80 / +2.42% | 31.00 | 35.50 | 31.00 | 33.90 | 31.79 | 27.03 | 108,200 |   |  
            | 8/28/2008 | -2.40 / -6.76% | 34.00 | 34.00 | 33.10 | 33.10 | 33.26 | 26.39 | 51,700 |   |  			
            | 8/27/2008 | +2.30 / +6.93% | 35.50 | 35.50 | 34.50 | 35.50 | 35.49 | 28.31 | 120,000 |   |  
            | 8/26/2008 | +2.10 / +6.75% | 33.20 | 33.20 | 33.20 | 33.20 | 33.20 | 26.47 | 10,300 |   |  			
            | 8/25/2008 | +1.50 / +5.07% | 31.10 | 31.10 | 31.10 | 31.10 | 31.10 | 24.80 | 13,900 |   |  
            | 8/22/2008 | +1.20 / +4.23% | 29.50 | 29.60 | 28.10 | 29.60 | 29.11 | 23.60 | 104,900 |   |  			
            | 8/21/2008 | +2.40 / +9.23% | 25.00 | 28.40 | 25.00 | 28.40 | 27.65 | 22.64 | 84,500 |   |  
            | 8/20/2008 | -2.00 / -7.14% | 27.00 | 27.80 | 26.00 | 26.00 | 26.59 | 20.73 | 66,900 |   |  			
            | 8/19/2008 | -0.40 / -1.41% | 30.20 | 30.20 | 26.40 | 28.00 | 27.88 | 22.33 | 63,600 |   |  
            | 8/18/2008 | +1.80 / +6.77% | 28.40 | 28.40 | 27.90 | 28.40 | 28.31 | 22.64 | 107,200 |   |  			
            | 8/15/2008 | +0.90 / +3.50% | 26.60 | 26.60 | 26.60 | 26.60 | 26.60 | 21.21 | 8,500 |   |  
            | 8/14/2008 | +0.70 / +2.80% | 25.10 | 25.70 | 24.20 | 25.70 | 25.60 | 20.49 | 176,600 |   |  			
            | 8/13/2008 | +0.60 / +2.46% | 25.20 | 25.20 | 23.60 | 25.00 | 24.76 | 19.93 | 96,200 |   |  
            | 8/12/2008 | +0.80 / +3.39% | 24.40 | 24.40 | 23.50 | 24.40 | 24.29 | 19.45 | 67,800 |   |  			
            | 8/11/2008 | +0.60 / +2.61% | 23.00 | 23.60 | 23.00 | 23.60 | 23.47 | 18.82 | 28,900 |   |  
            | 8/8/2008 | +0.10 / +0.44% | 23.00 | 23.00 | 22.20 | 23.00 | 22.70 | 18.34 | 42,900 |   |  			
            | 8/7/2008 | 0.00 / 0.00% | 22.90 | 23.10 | 22.30 | 22.90 | 22.99 | 18.26 | 68,600 |   |  
            | 8/6/2008 | +0.60 / +2.69% | 21.50 | 23.10 | 21.50 | 22.90 | 22.28 | 18.26 | 108,800 |   |  			
            | 8/5/2008 | -0.80 / -3.46% | 22.30 | 22.50 | 22.30 | 22.30 | 22.31 | 17.78 | 10,800 |   |  
            | 8/4/2008 | -0.10 / -0.43% | 21.90 | 23.70 | 21.90 | 23.10 | 23.16 | 18.42 | 37,600 |   |  |