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                    Closing price on 2/3/2009
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                    | Open | 12.30 |  
                    | High | 12.40 |  
                    | Low | 12.10 |  
                    | Volume | 12,900 |  
                    | Split-adjusted Price | 8.99 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 1/5/2009 | 0.00 / 0.00% | 12.10 | 12.20 | 12.00 | 12.00 | 12.03 | 8.77 | 12,600 |   |  
            | 1/2/2009 | 0.00 / 0.00% | 12.00 | 12.20 | 11.80 | 12.20 | 12.06 | 8.92 | 14,600 |   |  			
            | 12/31/2008 | +0.40 / +3.33% | 12.10 | 12.40 | 12.00 | 12.40 | 12.17 | 9.07 | 10,700 |   |  
            | 12/30/2008 | 0.00 / 0.00% | 11.90 | 12.20 | 11.90 | 12.00 | 12.08 | 8.77 | 11,000 |   |  			
            | 12/29/2008 | 0.00 / 0.00% | 12.20 | 12.20 | 12.00 | 12.00 | 12.06 | 8.77 | 1,400 |   |  
            | 12/26/2008 | -0.20 / -1.63% | 12.00 | 12.10 | 12.00 | 12.10 | 12.06 | 8.85 | 11,000 |   |  			
            | 12/25/2008 | 0.00 / 0.00% | 12.50 | 12.50 | 12.00 | 12.30 | 12.16 | 8.99 | 16,100 |   |  
            | 12/24/2008 | -0.10 / -0.81% | 12.40 | 12.40 | 12.00 | 12.30 | 12.21 | 8.99 | 13,300 |   |  			
            | 12/23/2008 | -0.60 / -4.62% | 12.00 | 12.60 | 12.00 | 12.40 | 12.41 | 9.07 | 14,800 |   |  
            | 12/22/2008 | 0.00 / 0.00% | 13.00 | 13.00 | 12.50 | 13.00 | 12.87 | 9.50 | 69,700 |   |  			
            | 12/19/2008 | +0.50 / +4.24% | 12.00 | 12.30 | 11.50 | 12.30 | 12.16 | 8.99 | 45,400 |   |  
            | 12/18/2008 | 0.00 / 0.00% | 12.00 | 12.10 | 11.80 | 11.80 | 11.89 | 8.63 | 10,500 |   |  			
            | 12/17/2008 | +0.10 / +0.85% | 11.80 | 12.00 | 11.50 | 11.80 | 11.79 | 8.63 | 13,200 |   |  
            | 12/16/2008 | -0.10 / -0.85% | 11.70 | 11.80 | 11.50 | 11.70 | 11.59 | 8.55 | 9,800 |   |  |