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                    Closing price on 10/30/2008
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        |           
                
                    | Open | 15.00 |  
                    | High | 15.00 |  
                    | Low | 14.00 |  
                    | Volume | 17,800 |  
                    | Split-adjusted Price | 10.82 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/30/2008 | +0.10 / +0.68% | 15.00 | 15.00 | 14.00 | 14.80 | 14.59 | 10.82 | 17,800 |   |  
            | 10/29/2008 | +0.60 / +4.26% | 14.70 | 14.70 | 14.00 | 14.70 | 14.59 | 10.75 | 74,600 |   |  			
            | 10/28/2008 | +0.90 / +6.82% | 12.40 | 14.20 | 12.40 | 14.10 | 13.76 | 10.31 | 19,800 |   |  
            | 10/27/2008 | 0.00 / 0.00% | 13.50 | 13.50 | 13.20 | 13.20 | 13.28 | 9.65 | 40,500 |   |  			
            | 10/24/2008 | -0.30 / -2.10% | 14.50 | 14.70 | 14.00 | 14.00 | 14.14 | 10.24 | 23,800 |   |  
            | 10/23/2008 | -1.30 / -8.33% | 14.90 | 15.20 | 14.10 | 14.30 | 14.38 | 10.46 | 56,400 |   |  			
            | 10/22/2008 | -0.10 / -0.64% | 15.00 | 15.60 | 15.00 | 15.60 | 15.10 | 11.41 | 11,400 |   |  
            | 10/21/2008 | +0.70 / +4.67% | 15.90 | 16.00 | 15.10 | 15.70 | 15.64 | 11.48 | 32,000 |   |  			
            | 10/20/2008 | 0.00 / 0.00% | 15.80 | 15.80 | 14.50 | 15.00 | 15.13 | 10.97 | 8,600 |   |  
            | 10/17/2008 | +0.30 / +2.00% | 15.60 | 15.60 | 14.90 | 15.30 | 15.32 | 11.19 | 33,300 |   |  			
            | 10/16/2008 | -0.60 / -3.85% | 14.40 | 15.50 | 14.40 | 15.00 | 14.94 | 10.97 | 30,400 |   |  
            | 10/15/2008 | +1.00 / +6.85% | 15.60 | 15.60 | 14.80 | 15.60 | 15.43 | 11.41 | 59,300 |   |  			
            | 10/14/2008 | +0.70 / +5.04% | 14.60 | 14.60 | 14.60 | 14.60 | 14.60 | 10.67 | 1,100 |   |  
            | 10/13/2008 | 0.00 / 0.00% | 13.40 | 14.90 | 13.40 | 13.90 | 13.72 | 10.16 | 88,500 |   |  			
            | 10/10/2008 | -0.90 / -5.84% | 14.00 | 14.60 | 13.90 | 14.50 | 14.00 | 10.60 | 51,700 |   |  
            | 10/9/2008 | +0.70 / +4.76% | 13.80 | 15.60 | 13.80 | 15.40 | 14.88 | 11.26 | 47,900 |   |  			
            | 10/8/2008 | -0.80 / -5.16% | 15.50 | 15.50 | 14.50 | 14.70 | 14.58 | 10.75 | 48,400 |   |  
            | 10/7/2008 | -1.30 / -7.74% | 16.00 | 16.00 | 15.50 | 15.50 | 15.55 | 11.33 | 17,700 |   |  			
            | 10/6/2008 | 0.00 / 0.00% | 17.00 | 17.00 | 16.20 | 16.80 | 16.57 | 12.28 | 26,800 |   |  
            | 10/3/2008 | -0.10 / -0.56% | 18.30 | 18.30 | 17.00 | 17.90 | 17.45 | 13.09 | 22,400 |   |  			
            | 10/2/2008 | +0.90 / +5.26% | 17.00 | 18.00 | 17.00 | 18.00 | 17.89 | 13.16 | 54,700 |   |  
            | 10/1/2008 | +0.50 / +3.01% | 17.00 | 17.20 | 16.60 | 17.10 | 16.91 | 12.50 | 45,300 |   |  			
            | 9/30/2008 | -1.10 / -6.21% | 16.60 | 16.60 | 16.60 | 16.60 | 16.60 | 12.14 | 3,200 |   |  
            | 9/29/2008 | 0.00 / 0.00% | 18.50 | 18.60 | 17.60 | 17.70 | 17.84 | 12.94 | 62,300 |   |  			
            | 9/26/2008 | -0.40 / -2.14% | 19.40 | 19.40 | 18.20 | 18.30 | 18.91 | 13.38 | 40,100 |   |  
            | 9/25/2008 | +1.70 / +10.00% | 17.00 | 18.70 | 16.80 | 18.70 | 18.21 | 13.67 | 51,900 |   |  			
            | 9/24/2008 | -0.70 / -3.95% | 17.30 | 18.30 | 17.00 | 17.00 | 17.47 | 12.43 | 57,300 |   |  
            | 9/23/2008 | -1.30 / -6.84% | 17.70 | 19.30 | 17.70 | 17.70 | 18.18 | 12.94 | 103,200 |   |  			
            | 9/22/2008 | 0.00 / 0.00% | 19.00 | 19.00 | 19.00 | 19.00 | 19.00 | 13.89 | 30,100 |   |  
            | 9/19/2008 | +1.20 / +6.90% | 16.20 | 18.60 | 16.20 | 18.60 | 17.79 | 13.60 | 155,300 |   |  |