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                    Closing price on 5/13/2011
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        |           
                
                    | Open | 8.50 |  
                    | High | 8.80 |  
                    | Low | 8.20 |  
                    | Volume | 33,800 |  
                    | Split-adjusted Price | 8.31 |  
                
             | 
 |  CMI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/13/2011 | +0.30 / +3.53% | 8.50 | 8.80 | 8.20 | 8.80 | 8.67 | 8.31 | 33,800 |   |  
            | 5/12/2011 | +0.40 / +4.94% | 8.00 | 8.50 | 8.00 | 8.50 | 8.41 | 8.03 | 38,400 |   |  			
            | 5/11/2011 | -0.10 / -1.22% | 8.00 | 8.20 | 7.80 | 8.10 | 8.00 | 7.65 | 18,300 |   |  
            | 5/10/2011 | -0.10 / -1.20% | 8.30 | 8.30 | 8.20 | 8.20 | 8.23 | 7.74 | 19,100 |   |  			
            | 5/9/2011 | +0.10 / +1.22% | 8.50 | 8.50 | 7.70 | 8.30 | 8.16 | 7.84 | 22,900 |   |  
            | 5/6/2011 | -0.20 / -2.38% | 8.20 | 8.40 | 8.00 | 8.20 | 8.16 | 7.74 | 27,000 |   |  			
            | 5/5/2011 | -0.30 / -3.45% | 8.30 | 8.40 | 8.10 | 8.40 | 8.20 | 7.93 | 63,600 |   |  
            | 5/4/2011 | +0.10 / +1.16% | 8.70 | 8.90 | 8.30 | 8.70 | 8.69 | 8.21 | 20,100 |   |  			
            | 4/29/2011 | -0.10 / -1.15% | 8.60 | 8.70 | 8.30 | 8.60 | 8.53 | 8.12 | 26,600 |   |  
            | 4/28/2011 | +0.10 / +1.16% | 8.30 | 8.70 | 8.30 | 8.70 | 8.61 | 8.21 | 32,700 |   |  			
            | 4/27/2011 | +0.10 / +1.18% | 8.40 | 8.60 | 8.20 | 8.60 | 8.41 | 8.12 | 36,500 |   |  
            | 4/26/2011 | +0.50 / +6.25% | 8.40 | 8.50 | 8.20 | 8.50 | 8.39 | 8.03 | 85,600 |   |  			
            | 4/25/2011 | +0.30 / +3.90% | 7.50 | 8.00 | 7.50 | 8.00 | 7.99 | 7.55 | 79,500 |   |  
            | 4/22/2011 | -0.10 / -1.28% | 7.60 | 7.80 | 7.20 | 7.70 | 7.53 | 7.27 | 54,000 |   |  			
            | 4/21/2011 | -0.30 / -3.70% | 7.80 | 7.90 | 7.60 | 7.80 | 7.69 | 7.36 | 44,200 |   |  
            | 4/20/2011 | -0.40 / -4.71% | 8.70 | 8.70 | 8.00 | 8.10 | 8.05 | 7.65 | 66,900 |   |  			
            | 4/19/2011 | -0.40 / -4.49% | 8.90 | 9.00 | 8.40 | 8.50 | 8.54 | 8.03 | 46,300 |   |  
            | 4/18/2011 | -0.30 / -3.26% | 9.00 | 9.10 | 8.80 | 8.90 | 8.86 | 8.40 | 38,400 |   |  			
            | 4/15/2011 | -0.40 / -4.17% | 9.40 | 9.70 | 9.20 | 9.20 | 9.42 | 8.69 | 13,800 |   |  
            | 4/14/2011 | -0.50 / -4.95% | 9.80 | 9.80 | 9.40 | 9.60 | 9.66 | 9.06 | 20,000 |   |  			
            | 4/13/2011 | -0.10 / -0.98% | 10.60 | 10.70 | 10.00 | 10.10 | 10.09 | 9.54 | 17,800 |   |  
            | 4/8/2011 | -0.20 / -1.92% | 10.50 | 10.50 | 10.00 | 10.20 | 10.15 | 9.63 | 14,300 |   |  			
            | 4/7/2011 | -0.30 / -2.80% | 10.80 | 10.80 | 10.40 | 10.40 | 10.62 | 9.82 | 6,700 |   |  
            | 4/6/2011 | +0.50 / +4.90% | 10.20 | 10.80 | 10.20 | 10.70 | 10.48 | 10.10 | 17,000 |   |  			
            | 4/5/2011 | -0.20 / -1.92% | 10.30 | 10.40 | 10.10 | 10.20 | 10.17 | 9.63 | 29,000 |   |  
            | 4/4/2011 | -0.60 / -5.45% | 10.90 | 10.90 | 10.30 | 10.40 | 10.54 | 9.82 | 25,900 |   |  			
            | 4/1/2011 | +0.10 / +0.92% | 11.00 | 11.00 | 10.80 | 11.00 | 10.91 | 10.39 | 7,700 |   |  
            | 3/31/2011 | +0.10 / +0.93% | 11.20 | 11.40 | 10.70 | 10.90 | 10.93 | 10.29 | 7,700 |   |  			
            | 3/30/2011 | -0.30 / -2.70% | 10.90 | 11.10 | 10.80 | 10.80 | 10.86 | 10.20 | 21,000 |   |  
            | 3/29/2011 | -0.50 / -4.31% | 11.70 | 11.70 | 11.10 | 11.10 | 11.35 | 10.48 | 15,800 |   |  |