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                    Closing price on 4/13/2011
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                    | Open | 10.60 |  
                    | High | 10.70 |  
                    | Low | 10.00 |  
                    | Volume | 17,800 |  
                    | Split-adjusted Price | 9.54 |  
                
             | 
 |  CMI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 3/28/2011 | -0.30 / -2.52% | 11.70 | 11.90 | 11.50 | 11.60 | 11.65 | 10.95 | 16,200 |   |  
            | 3/25/2011 | -0.90 / -7.03% | 12.20 | 12.20 | 11.70 | 11.90 | 11.90 | 11.24 | 50,300 |   |  			
            | 3/24/2011 | +0.50 / +4.07% | 12.20 | 12.90 | 12.20 | 12.80 | 12.87 | 11.15 | 92,100 |   |  
            | 3/23/2011 | 0.00 / 0.00% | 12.20 | 12.30 | 11.80 | 12.30 | 12.06 | 10.71 | 34,000 |   |  			
            | 3/22/2011 | -0.30 / -2.38% | 12.60 | 12.70 | 12.00 | 12.30 | 12.22 | 10.71 | 54,700 |   |  
            | 3/21/2011 | +0.30 / +2.44% | 12.50 | 12.90 | 12.40 | 12.60 | 12.66 | 10.97 | 71,300 |   |  			
            | 3/18/2011 | +0.40 / +3.36% | 12.20 | 12.40 | 11.90 | 12.30 | 12.26 | 10.71 | 25,800 |   |  
            | 3/17/2011 | +0.60 / +5.31% | 11.60 | 12.10 | 11.60 | 11.90 | 11.97 | 10.36 | 29,400 |   |  			
            | 3/16/2011 | 0.00 / 0.00% | 11.20 | 11.70 | 11.20 | 11.30 | 11.40 | 9.84 | 26,800 |   |  
            | 3/15/2011 | -0.80 / -6.61% | 12.00 | 12.00 | 11.30 | 11.30 | 11.51 | 9.84 | 42,200 |   |  			
            | 3/14/2011 | -0.30 / -2.42% | 12.00 | 12.60 | 11.90 | 12.10 | 12.15 | 10.54 | 48,500 |   |  
            | 3/11/2011 | -0.20 / -1.59% | 13.00 | 13.20 | 12.40 | 12.40 | 12.73 | 10.80 | 65,300 |   |  			
            | 3/10/2011 | +0.60 / +5.00% | 12.50 | 12.70 | 12.00 | 12.60 | 12.36 | 10.97 | 45,100 |   |  
            | 3/9/2011 | -0.20 / -1.64% | 11.90 | 12.20 | 11.90 | 12.00 | 11.98 | 10.45 | 33,300 |   |  			
            | 3/8/2011 | -0.80 / -6.15% | 13.30 | 13.30 | 12.10 | 12.20 | 12.64 | 10.63 | 54,000 |   |  
            | 3/7/2011 | +0.40 / +3.17% | 13.00 | 13.00 | 13.00 | 13.00 | 13.00 | 11.32 | 4,000 |   |  			
            | 3/4/2011 | +0.20 / +1.61% | 12.30 | 12.90 | 12.30 | 12.60 | 12.54 | 10.97 | 56,800 |   |  
            | 3/3/2011 | -0.70 / -5.34% | 12.90 | 13.30 | 12.40 | 12.40 | 12.54 | 10.80 | 50,800 |   |  			
            | 3/2/2011 | -0.20 / -1.50% | 13.30 | 13.90 | 12.90 | 13.10 | 13.33 | 11.41 | 189,200 |   |  
            | 3/1/2011 | +0.90 / +7.26% | 12.80 | 13.60 | 12.80 | 13.30 | 13.24 | 11.58 | 87,200 |   |  |