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                    Closing price on 10/10/2008
                 |  |  
    
        |           
                
                    | Open | 14.00 |  
                    | High | 14.60 |  
                    | Low | 13.90 |  
                    | Volume | 51,700 |  
                    | Split-adjusted Price | 10.60 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 9/18/2008 | -1.30 / -6.95% | 17.40 | 17.40 | 17.40 | 17.40 | 17.40 | 12.72 | 500 |   |  
            | 9/17/2008 | -1.40 / -6.97% | 18.70 | 18.70 | 18.70 | 18.70 | 18.70 | 13.67 | 4,500 |   |  			
            | 9/16/2008 | -1.40 / -6.51% | 20.10 | 20.20 | 20.10 | 20.10 | 20.10 | 14.70 | 34,800 |   |  
            | 9/15/2008 | 0.00 / 0.00% | 21.50 | 24.00 | 21.50 | 21.50 | 21.58 | 15.72 | 158,300 |   |  			
            | 9/12/2008 | -1.70 / -6.85% | 23.10 | 23.10 | 23.10 | 23.10 | 23.10 | 16.89 | 100 |   |  
            | 9/11/2008 | -0.30 / -1.20% | 24.80 | 24.80 | 24.80 | 24.80 | 24.80 | 18.13 | 12,000 |   |  			
            | 9/10/2008 | -1.90 / -7.04% | 28.50 | 28.70 | 25.10 | 25.10 | 26.62 | 18.35 | 33,800 |   |  
            | 9/9/2008 | +0.60 / +2.27% | 27.00 | 27.00 | 25.50 | 27.00 | 26.93 | 19.74 | 209,600 |   |  			
            | 9/8/2008 | 0.00 / 0.00% | 26.40 | 26.40 | 23.00 | 26.40 | 25.26 | 19.30 | 397,500 |   |  
            | 9/5/2008 | +1.60 / +6.93% | 24.70 | 24.70 | 24.70 | 24.70 | 24.70 | 18.06 | 1,700 |   |  			
            | 9/4/2008 | +1.50 / +6.94% | 23.10 | 23.10 | 23.10 | 23.10 | 23.10 | 16.89 | 3,300 |   |  
            | 9/3/2008 | 0.00 / 0.00% | 21.60 | 21.60 | 21.60 | 21.60 | 21.60 | 15.79 | 1,400 |   |  			
            | 8/29/2008 | +1.20 / +6.32% | 20.20 | 20.20 | 20.00 | 20.20 | 20.19 | 14.77 | 75,500 |   |  
            | 8/28/2008 | +1.20 / +6.74% | 19.00 | 19.00 | 18.50 | 19.00 | 18.94 | 13.89 | 349,000 |   |  |