| 
    
        
            | 
                    Closing price on 9/26/2008
                 |  |  
    
        |           
                
                    | Open | 19.40 |  
                    | High | 19.40 |  
                    | Low | 18.20 |  
                    | Volume | 40,100 |  
                    | Split-adjusted Price | 13.38 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 8/27/2008 | +1.10 / +6.59% | 17.80 | 17.80 | 17.80 | 17.80 | 17.80 | 13.01 | 46,600 |   |  
            | 8/26/2008 | +1.00 / +6.37% | 16.70 | 16.70 | 16.70 | 16.70 | 16.70 | 12.21 | 27,100 |   |  			
            | 8/25/2008 | 0.00 / 0.00% | 14.90 | 15.70 | 14.90 | 15.70 | 15.67 | 11.48 | 94,100 |   |  
            | 8/22/2008 | -0.60 / -4.03% | 14.40 | 15.40 | 14.00 | 14.30 | 14.70 | 10.46 | 30,900 |   |  			
            | 8/21/2008 | +0.90 / +6.43% | 14.00 | 15.00 | 13.40 | 14.90 | 14.41 | 10.89 | 40,800 |   |  
            | 8/20/2008 | -0.70 / -4.76% | 14.50 | 14.50 | 14.00 | 14.00 | 14.12 | 10.24 | 43,100 |   |  			
            | 8/19/2008 | -1.00 / -6.37% | 15.90 | 15.90 | 14.70 | 14.70 | 14.99 | 10.75 | 29,700 |   |  
            | 8/18/2008 | 0.00 / 0.00% | 15.60 | 15.90 | 15.50 | 15.70 | 15.76 | 11.48 | 51,800 |   |  			
            | 8/15/2008 | +0.40 / +2.70% | 15.20 | 15.20 | 15.20 | 15.20 | 15.20 | 11.11 | 43,700 |   |  
            | 8/14/2008 | +0.50 / +3.50% | 14.20 | 14.80 | 14.20 | 14.80 | 14.69 | 10.82 | 44,100 |   |  |