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                    Closing price on 12/10/2008
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                    | Open | 12.40 |  
                    | High | 12.40 |  
                    | Low | 11.30 |  
                    | Volume | 2,500 |  
                    | Split-adjusted Price | 8.26 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/10/2008 | -1.00 / -8.13% | 12.40 | 12.40 | 11.30 | 11.30 | 11.95 | 8.26 | 2,500 |   |  
            | 12/9/2008 | +0.70 / +6.03% | 11.70 | 12.30 | 11.60 | 12.30 | 11.99 | 8.99 | 12,600 |   |  			
            | 12/8/2008 | 0.00 / 0.00% | 12.30 | 12.30 | 11.50 | 11.60 | 11.69 | 8.48 | 41,500 |   |  
            | 12/5/2008 | -0.60 / -4.65% | 12.40 | 12.50 | 12.20 | 12.30 | 12.35 | 8.99 | 8,900 |   |  			
            | 12/4/2008 | +0.20 / +1.57% | 12.80 | 12.90 | 12.80 | 12.90 | 12.87 | 9.43 | 2,000 |   |  
            | 12/3/2008 | +0.10 / +0.79% | 12.70 | 12.80 | 12.60 | 12.70 | 12.72 | 9.29 | 12,900 |   |  			
            | 12/2/2008 | -0.40 / -3.08% | 13.00 | 13.00 | 12.60 | 12.60 | 12.76 | 9.21 | 7,700 |   |  
            | 12/1/2008 | 0.00 / 0.00% | 13.30 | 13.40 | 13.00 | 13.00 | 13.29 | 9.50 | 16,700 |   |  			
            | 11/28/2008 | +0.80 / +6.40% | 13.00 | 13.30 | 13.00 | 13.30 | 13.20 | 9.72 | 21,100 |   |  
            | 11/27/2008 | -0.10 / -0.79% | 12.60 | 12.70 | 12.40 | 12.50 | 12.53 | 9.14 | 18,200 |   |  			
            | 11/26/2008 | -0.30 / -2.33% | 13.00 | 13.00 | 12.50 | 12.60 | 12.64 | 9.21 | 18,800 |   |  
            | 11/25/2008 | +0.10 / +0.78% | 13.50 | 13.70 | 12.80 | 12.90 | 13.24 | 9.43 | 27,200 |   |  			
            | 11/24/2008 | 0.00 / 0.00% | 13.00 | 13.10 | 12.80 | 12.80 | 12.86 | 9.36 | 30,200 |   |  
            | 11/21/2008 | -0.40 / -3.03% | 13.20 | 13.20 | 12.60 | 12.80 | 12.76 | 9.36 | 13,200 |   |  			
            | 11/20/2008 | -0.30 / -2.22% | 13.20 | 13.30 | 13.00 | 13.20 | 13.15 | 9.65 | 29,800 |   |  
            | 11/19/2008 | 0.00 / 0.00% | 13.90 | 13.90 | 13.40 | 13.50 | 13.53 | 9.87 | 16,500 |   |  			
            | 11/18/2008 | -0.20 / -1.46% | 13.70 | 13.70 | 13.30 | 13.50 | 13.45 | 9.87 | 49,500 |   |  
            | 11/17/2008 | 0.00 / 0.00% | 13.60 | 13.80 | 13.60 | 13.70 | 13.71 | 10.02 | 11,600 |   |  			
            | 11/14/2008 | +0.40 / +2.94% | 14.30 | 14.40 | 13.90 | 14.00 | 14.06 | 10.24 | 22,200 |   |  
            | 11/13/2008 | -0.20 / -1.45% | 13.20 | 14.00 | 13.20 | 13.60 | 13.69 | 9.94 | 16,600 |   |  			
            | 11/12/2008 | +0.20 / +1.47% | 13.00 | 13.80 | 13.00 | 13.80 | 13.61 | 10.09 | 7,600 |   |  
            | 11/11/2008 | -0.40 / -2.86% | 13.60 | 14.00 | 13.40 | 13.60 | 13.47 | 9.94 | 45,200 |   |  			
            | 11/10/2008 | 0.00 / 0.00% | 14.20 | 14.50 | 14.00 | 14.00 | 14.17 | 10.24 | 61,800 |   |  
            | 11/7/2008 | -0.70 / -4.79% | 14.00 | 14.20 | 13.80 | 13.90 | 13.96 | 10.16 | 36,500 |   |  			
            | 11/6/2008 | -0.50 / -3.31% | 14.90 | 15.10 | 14.20 | 14.60 | 14.80 | 10.67 | 43,700 |   |  
            | 11/5/2008 | +0.50 / +3.42% | 15.10 | 15.10 | 15.10 | 15.10 | 15.10 | 11.04 | 48,100 |   |  			
            | 11/4/2008 | +0.90 / +6.57% | 13.80 | 14.60 | 13.50 | 14.60 | 14.20 | 10.67 | 77,100 |   |  
            | 11/3/2008 | 0.00 / 0.00% | 13.40 | 14.10 | 13.40 | 13.70 | 13.71 | 10.02 | 40,100 |   |  			
            | 10/31/2008 | -1.20 / -8.11% | 15.00 | 15.00 | 13.60 | 13.60 | 13.99 | 9.94 | 95,300 |   |  
            | 10/30/2008 | +0.10 / +0.68% | 15.00 | 15.00 | 14.00 | 14.80 | 14.59 | 10.82 | 17,800 |   |  |