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                    Closing price on 12/15/2011
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                    | Open | 8.40 |  
                    | High | 8.40 |  
                    | Low | 8.40 |  
                    | Volume | 2,900 |  
                    | Split-adjusted Price | 6.14 |  
                
             | 
 |  XMC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/15/2011 | -0.60 / -6.67% | 8.40 | 8.40 | 8.40 | 8.40 | 8.40 | 6.14 | 2,900 |   |  
            | 12/14/2011 | +0.50 / +5.88% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 6.58 | 100 |   |  			
            | 12/13/2011 | -0.30 / -3.41% | 8.50 | 8.50 | 8.50 | 8.50 | 8.50 | 6.21 | 1,700 |   |  
            | 12/12/2011 | 0.00 / 0.00% | 8.80 | 8.80 | 8.80 | 8.80 | 8.80 | 6.43 | 500 |   |  			
            | 12/9/2011 | 0.00 / 0.00% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 6.58 | 3,000 |   |  
            | 12/8/2011 | -0.30 / -3.23% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 6.58 | 500 |   |  			
            | 12/7/2011 | -0.70 / -7.00% | 9.30 | 9.30 | 9.30 | 9.30 | 9.30 | 6.80 | 7,300 |   |  
            | 12/6/2011 | +0.50 / +5.26% | 10.10 | 10.10 | 9.90 | 10.00 | 10.00 | 7.31 | 1,100 |   |  			
            | 12/5/2011 | 0.00 / 0.00% | 9.40 | 9.50 | 9.40 | 9.50 | 9.49 | 6.95 | 2,000 |   |  
            | 12/2/2011 | -0.50 / -5.38% | 9.00 | 9.00 | 8.80 | 8.80 | 8.90 | 6.43 | 1,000 |   |  			
            | 12/1/2011 | +0.10 / +1.09% | 9.30 | 9.30 | 9.30 | 9.30 | 9.30 | 6.80 | 0 |   |  
            | 11/30/2011 | +0.50 / +5.75% | 9.30 | 9.30 | 9.20 | 9.20 | 9.29 | 6.73 | 2,500 |   |  			
            | 11/29/2011 | +0.40 / +4.82% | 8.70 | 8.80 | 8.70 | 8.70 | 8.75 | 6.36 | 1,500 |   |  
            | 11/28/2011 | 0.00 / 0.00% | 8.30 | 8.30 | 8.30 | 8.30 | 8.30 | 6.07 | 3,500 |   |  			
            | 11/25/2011 | +0.30 / +3.66% | 8.00 | 8.50 | 8.00 | 8.50 | 8.29 | 6.21 | 3,400 |   |  
            | 11/24/2011 | 0.00 / 0.00% | 8.00 | 8.20 | 8.00 | 8.20 | 8.18 | 6.00 | 1,100 |   |  			
            | 11/23/2011 | +0.10 / +1.23% | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 6.00 | 0 |   |  
            | 11/22/2011 | -0.60 / -6.90% | 8.30 | 8.30 | 8.10 | 8.10 | 8.21 | 5.92 | 2,500 |   |  			
            | 11/21/2011 | 0.00 / 0.00% | 8.70 | 8.70 | 8.70 | 8.70 | 8.70 | 6.36 | 0 |   |  
            | 11/18/2011 | -0.60 / -6.45% | 8.80 | 8.80 | 8.70 | 8.70 | 8.71 | 6.36 | 5,500 |   |  			
            | 11/17/2011 | 0.00 / 0.00% | 9.30 | 9.30 | 9.30 | 9.30 | 9.30 | 6.80 | 0 |   |  
            | 11/16/2011 | +0.30 / +3.33% | 9.30 | 9.30 | 9.30 | 9.30 | 9.30 | 6.80 | 100 |   |  			
            | 11/15/2011 | -0.30 / -3.23% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 6.58 | 2,200 |   |  
            | 11/14/2011 | 0.00 / 0.00% | 10.30 | 10.30 | 9.30 | 9.30 | 9.42 | 6.80 | 1,700 |   |  			
            | 11/11/2011 | +0.70 / +7.53% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 7.31 | 100 |   |  
            | 11/10/2011 | -0.50 / -5.10% | 9.50 | 9.50 | 9.30 | 9.30 | 9.36 | 6.80 | 5,900 |   |  			
            | 11/9/2011 | 0.00 / 0.00% | 9.80 | 9.80 | 9.80 | 9.80 | 9.80 | 7.17 | 0 |   |  
            | 11/8/2011 | 0.00 / 0.00% | 10.00 | 10.00 | 9.70 | 9.80 | 9.77 | 7.17 | 2,500 |   |  			
            | 11/7/2011 | 0.00 / 0.00% | 9.80 | 9.80 | 9.80 | 9.80 | 9.80 | 7.17 | 2,800 |   |  
            | 11/4/2011 | 0.00 / 0.00% | 10.50 | 10.50 | 10.50 | 10.50 | 10.50 | 7.68 | 600 |   |  |