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                    Closing price on 2/23/2009
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                    | Open | 11.20 |  
                    | High | 11.20 |  
                    | Low | 10.50 |  
                    | Volume | 20,100 |  
                    | Split-adjusted Price | 7.68 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/23/2009 | 0.00 / 0.00% | 11.20 | 11.20 | 10.50 | 10.50 | 10.74 | 7.68 | 20,100 |   |  
            | 2/20/2009 | -1.90 / -14.39% | 11.50 | 11.50 | 10.90 | 11.30 | 11.23 | 8.26 | 14,600 |   |  			
            | 2/19/2009 | +0.20 / +1.54% | 13.20 | 13.20 | 12.80 | 13.20 | 13.03 | 9.65 | 25,300 |   |  
            | 2/18/2009 | -0.10 / -0.76% | 13.00 | 13.00 | 12.80 | 13.00 | 12.96 | 9.50 | 19,400 |   |  			
            | 2/17/2009 | -0.20 / -1.50% | 13.10 | 13.20 | 12.80 | 13.10 | 13.03 | 9.58 | 47,500 |   |  
            | 2/16/2009 | 0.00 / 0.00% | 13.50 | 13.50 | 13.20 | 13.30 | 13.33 | 9.72 | 38,500 |   |  			
            | 2/13/2009 | +0.30 / +2.29% | 13.40 | 13.50 | 13.10 | 13.40 | 13.28 | 9.80 | 36,500 |   |  
            | 2/12/2009 | +0.20 / +1.55% | 13.60 | 13.60 | 13.00 | 13.10 | 13.15 | 9.58 | 46,400 |   |  			
            | 2/11/2009 | +0.70 / +5.74% | 12.40 | 12.90 | 12.40 | 12.90 | 12.86 | 9.43 | 80,600 |   |  
            | 2/10/2009 | -0.30 / -2.40% | 12.20 | 12.20 | 12.10 | 12.20 | 12.14 | 8.92 | 13,600 |   |  			
            | 2/9/2009 | 0.00 / 0.00% | 12.30 | 12.50 | 12.30 | 12.50 | 12.41 | 9.14 | 11,900 |   |  
            | 2/6/2009 | +0.20 / +1.65% | 12.10 | 12.30 | 12.00 | 12.30 | 12.07 | 8.99 | 17,900 |   |  			
            | 2/5/2009 | 0.00 / 0.00% | 12.00 | 12.20 | 11.90 | 12.10 | 12.00 | 8.85 | 29,000 |   |  
            | 2/4/2009 | -0.20 / -1.63% | 12.70 | 12.70 | 12.00 | 12.10 | 12.16 | 8.85 | 4,500 |   |  			
            | 2/3/2009 | 0.00 / 0.00% | 12.30 | 12.40 | 12.10 | 12.30 | 12.24 | 8.99 | 12,900 |   |  
            | 2/2/2009 | 0.00 / 0.00% | 12.40 | 12.50 | 12.30 | 12.30 | 12.41 | 8.99 | 21,600 |   |  			
            | 1/23/2009 | +0.10 / +0.80% | 12.60 | 12.60 | 12.60 | 12.60 | 12.60 | 9.21 | 1,000 |   |  
            | 1/22/2009 | +0.10 / +0.81% | 12.60 | 12.80 | 12.50 | 12.50 | 12.59 | 9.14 | 6,000 |   |  			
            | 1/21/2009 | -0.10 / -0.80% | 12.50 | 12.50 | 12.30 | 12.40 | 12.36 | 9.07 | 12,500 |   |  
            | 1/20/2009 | -0.20 / -1.57% | 12.70 | 12.70 | 12.30 | 12.50 | 12.56 | 9.14 | 15,800 |   |  			
            | 1/19/2009 | 0.00 / 0.00% | 12.70 | 12.70 | 12.60 | 12.70 | 12.64 | 9.29 | 19,100 |   |  
            | 1/16/2009 | 0.00 / 0.00% | 12.90 | 12.90 | 12.70 | 12.90 | 12.81 | 9.43 | 10,500 |   |  			
            | 1/15/2009 | 0.00 / 0.00% | 12.70 | 12.90 | 12.70 | 12.90 | 12.78 | 9.43 | 5,100 |   |  
            | 1/14/2009 | -0.10 / -0.77% | 12.90 | 13.00 | 12.70 | 12.90 | 12.84 | 9.43 | 4,100 |   |  			
            | 1/13/2009 | +0.10 / +0.78% | 12.90 | 13.50 | 12.90 | 13.00 | 13.12 | 9.50 | 12,200 |   |  
            | 1/12/2009 | 0.00 / 0.00% | 12.90 | 13.10 | 12.90 | 12.90 | 12.93 | 9.43 | 11,600 |   |  			
            | 1/9/2009 | +0.70 / +5.56% | 13.50 | 13.50 | 13.00 | 13.30 | 13.12 | 9.72 | 8,200 |   |  
            | 1/8/2009 | -0.60 / -4.55% | 13.40 | 13.40 | 12.60 | 12.60 | 13.14 | 9.21 | 13,300 |   |  			
            | 1/7/2009 | +0.40 / +3.13% | 13.50 | 13.50 | 13.00 | 13.20 | 13.42 | 9.65 | 86,700 |   |  
            | 1/6/2009 | +0.80 / +6.67% | 12.20 | 12.80 | 12.20 | 12.80 | 12.66 | 9.36 | 66,600 |   |  |