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                    Closing price on 2/7/2013
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                    | Open | 6.30 |  
                    | High | 6.30 |  
                    | Low | 6.30 |  
                    | Volume | 3,000 |  
                    | Split-adjusted Price | 4.61 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/7/2013 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 4.61 | 3,000 |   |  
            | 2/6/2013 | -0.10 / -1.56% | 6.40 | 6.40 | 6.30 | 6.30 | 6.32 | 4.61 | 12,000 |   |  			
            | 2/5/2013 | 0.00 / 0.00% | 6.30 | 6.40 | 6.30 | 6.40 | 6.35 | 4.68 | 3,900 |   |  
            | 2/4/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 4.68 | 2,700 |   |  			
            | 2/1/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 4.68 | 0 |   |  
            | 1/31/2013 | -0.20 / -3.03% | 6.30 | 6.40 | 6.30 | 6.40 | 6.33 | 4.68 | 3,300 |   |  			
            | 1/30/2013 | +0.10 / +1.54% | 6.40 | 6.60 | 6.40 | 6.60 | 6.41 | 4.83 | 5,600 |   |  
            | 1/29/2013 | 0.00 / 0.00% | 6.40 | 6.50 | 6.40 | 6.50 | 6.41 | 4.75 | 1,700 |   |  			
            | 1/28/2013 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 4.75 | 400 |   |  
            | 1/25/2013 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 4.75 | 7,000 |   |  			
            | 1/24/2013 | -0.30 / -4.41% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 4.75 | 3,000 |   |  
            | 1/23/2013 | 0.00 / 0.00% | 6.80 | 6.80 | 6.80 | 6.80 | 6.80 | 4.97 | 0 |   |  			
            | 1/22/2013 | +0.40 / +6.25% | 5.90 | 6.80 | 5.80 | 6.80 | 5.90 | 4.97 | 3,100 |   |  
            | 1/21/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 4.68 | 1,000 |   |  			
            | 1/18/2013 | -0.10 / -1.54% | 6.50 | 6.50 | 6.40 | 6.40 | 6.44 | 4.68 | 5,000 |   |  
            | 1/17/2013 | -0.40 / -5.80% | 6.90 | 6.90 | 6.50 | 6.50 | 6.54 | 4.75 | 1,100 |   |  			
            | 1/16/2013 | +0.50 / +7.81% | 6.40 | 6.90 | 6.40 | 6.90 | 6.47 | 5.04 | 1,800 |   |  
            | 1/15/2013 | -0.50 / -7.25% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 4.68 | 200 |   |  			
            | 1/14/2013 | 0.00 / 0.00% | 6.40 | 6.90 | 6.40 | 6.90 | 6.46 | 5.04 | 800 |   |  
            | 1/11/2013 | -0.10 / -1.45% | 6.90 | 6.90 | 6.80 | 6.80 | 6.86 | 4.97 | 9,500 |   |  			
            | 1/10/2013 | 0.00 / 0.00% | 6.60 | 6.90 | 6.50 | 6.90 | 6.59 | 5.04 | 2,600 |   |  
            | 1/9/2013 | 0.00 / 0.00% | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 5.04 | 2,000 |   |  			
            | 1/8/2013 | 0.00 / 0.00% | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 5.04 | 0 |   |  
            | 1/7/2013 | 0.00 / 0.00% | 6.50 | 6.90 | 6.50 | 6.90 | 6.51 | 5.04 | 3,100 |   |  			
            | 1/4/2013 | +0.30 / +4.55% | 6.70 | 6.90 | 6.60 | 6.90 | 6.69 | 5.04 | 6,600 |   |  
            | 1/3/2013 | -0.40 / -5.71% | 6.70 | 6.90 | 6.60 | 6.60 | 6.65 | 4.83 | 18,500 |   |  			
            | 1/2/2013 | 0.00 / 0.00% | 6.90 | 7.00 | 6.90 | 7.00 | 6.97 | 5.12 | 7,600 |   |  
            | 12/28/2012 | +0.10 / +1.54% | 6.60 | 6.60 | 6.40 | 6.60 | 6.53 | 4.83 | 8,300 |   |  			
            | 12/27/2012 | +0.20 / +3.17% | 6.50 | 6.60 | 6.50 | 6.50 | 6.51 | 4.75 | 3,500 |   |  
            | 12/26/2012 | +0.10 / +1.61% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 4.61 | 300 |   |  |