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                    Closing price on 10/12/2009
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                    | Open | 44.40 |  
                    | High | 46.30 |  
                    | Low | 44.40 |  
                    | Volume | 84,900 |  
                    | Split-adjusted Price | 33.85 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/12/2009 | 0.00 / 0.00% | 44.40 | 46.30 | 44.40 | 46.30 | 46.19 | 33.85 | 84,900 |   |  
            | 10/9/2009 | +2.20 / +5.26% | 42.60 | 44.50 | 42.20 | 44.00 | 43.26 | 32.17 | 360,700 |   |  			
            | 10/8/2009 | -0.10 / -0.24% | 44.00 | 44.00 | 41.00 | 41.80 | 42.21 | 30.56 | 170,200 |   |  
            | 10/7/2009 | +2.50 / +6.35% | 42.00 | 42.00 | 41.70 | 41.90 | 41.99 | 30.63 | 387,700 |   |  			
            | 10/6/2009 | +1.40 / +3.68% | 38.50 | 39.40 | 38.50 | 39.40 | 39.29 | 28.81 | 188,700 |   |  
            | 10/5/2009 | 0.00 / 0.00% | 38.50 | 38.50 | 36.00 | 38.00 | 36.95 | 27.78 | 123,900 |   |  			
            | 10/2/2009 | +0.80 / +2.15% | 37.90 | 38.50 | 35.50 | 38.00 | 36.51 | 27.78 | 103,800 |   |  
            | 10/1/2009 | -2.00 / -5.10% | 39.20 | 39.20 | 37.00 | 37.20 | 38.13 | 27.20 | 63,600 |   |  			
            | 9/30/2009 | -0.30 / -0.76% | 39.50 | 39.60 | 38.70 | 39.20 | 39.23 | 28.66 | 98,900 |   |  
            | 9/29/2009 | -0.60 / -1.50% | 40.80 | 41.00 | 38.10 | 39.50 | 38.96 | 28.88 | 189,900 |   |  			
            | 9/28/2009 | 0.00 / 0.00% | 42.50 | 42.50 | 40.10 | 40.10 | 40.76 | 29.32 | 74,600 |   |  
            | 9/25/2009 | +0.90 / +2.22% | 38.20 | 41.90 | 38.20 | 41.50 | 40.74 | 30.34 | 218,400 |   |  			
            | 9/24/2009 | -0.80 / -1.93% | 41.00 | 42.50 | 40.50 | 40.60 | 40.87 | 29.68 | 186,200 |   |  
            | 9/23/2009 | 0.00 / 0.00% | 44.20 | 44.20 | 41.10 | 41.40 | 43.31 | 30.27 | 316,000 |   |  			
            | 9/22/2009 | +2.60 / +6.70% | 41.40 | 41.40 | 41.40 | 41.40 | 41.40 | 30.27 | 209,600 |   |  
            | 9/21/2009 | 0.00 / 0.00% | 37.00 | 38.80 | 37.00 | 38.80 | 38.67 | 28.37 | 266,400 |   |  			
            | 9/18/2009 | +0.70 / +1.95% | 35.00 | 37.00 | 34.50 | 36.60 | 36.29 | 26.76 | 168,000 |   |  
            | 9/17/2009 | -1.40 / -3.75% | 38.00 | 38.00 | 35.70 | 35.90 | 36.14 | 26.25 | 198,100 |   |  			
            | 9/16/2009 | +0.40 / +1.08% | 38.10 | 38.70 | 37.00 | 37.30 | 38.31 | 27.27 | 216,400 |   |  
            | 9/15/2009 | +1.30 / +3.65% | 35.50 | 36.90 | 34.50 | 36.90 | 36.16 | 26.98 | 220,000 |   |  			
            | 9/14/2009 | 0.00 / 0.00% | 33.50 | 35.60 | 33.30 | 35.60 | 34.46 | 26.03 | 371,800 |   |  
            | 9/11/2009 | +0.50 / +1.52% | 32.30 | 33.80 | 32.30 | 33.50 | 33.33 | 24.49 | 142,700 |   |  			
            | 9/10/2009 | -0.10 / -0.30% | 33.60 | 33.60 | 31.80 | 33.00 | 32.41 | 24.13 | 120,500 |   |  
            | 9/9/2009 | +2.10 / +6.77% | 33.10 | 33.10 | 32.30 | 33.10 | 32.95 | 24.20 | 445,600 |   |  			
            | 9/8/2009 | +1.50 / +5.08% | 30.00 | 31.00 | 30.00 | 31.00 | 30.98 | 22.67 | 133,900 |   |  
            | 9/7/2009 | 0.00 / 0.00% | 28.20 | 29.50 | 28.20 | 29.50 | 28.99 | 21.57 | 90,600 |   |  			
            | 9/4/2009 | -1.00 / -3.36% | 30.20 | 30.50 | 28.80 | 28.80 | 29.74 | 21.06 | 163,500 |   |  
            | 9/3/2009 | 0.00 / 0.00% | 30.50 | 31.00 | 29.60 | 29.80 | 30.31 | 21.79 | 139,000 |   |  			
            | 9/1/2009 | -1.90 / -5.67% | 31.10 | 32.50 | 31.00 | 31.60 | 31.44 | 23.10 | 188,600 |   |  
            | 8/31/2009 | 0.00 / 0.00% | 34.50 | 34.50 | 32.00 | 33.50 | 33.21 | 24.49 | 273,700 |   |  |