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                    Closing price on 9/6/2010
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        |           
                
                    | Open | 23.20 |  
                    | High | 23.70 |  
                    | Low | 20.70 |  
                    | Volume | 99,700 |  
                    | Split-adjusted Price | 17.33 |  
                
             | 
 |  CMI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/6/2010 | +1.40 / +6.28% | 23.20 | 23.70 | 20.70 | 23.70 | 23.00 | 17.33 | 99,700 |   |  
            | 9/1/2010 | +1.30 / +6.19% | 22.30 | 22.30 | 20.80 | 22.30 | 22.15 | 16.31 | 54,000 |   |  			
            | 8/31/2010 | +0.30 / +1.45% | 20.00 | 21.00 | 20.00 | 21.00 | 20.85 | 15.36 | 46,000 |   |  
            | 8/30/2010 | +1.10 / +5.61% | 18.40 | 20.70 | 18.40 | 20.70 | 19.66 | 15.14 | 136,000 |   |  			
            | 8/27/2010 | -1.10 / -5.31% | 20.50 | 20.50 | 19.60 | 19.60 | 19.71 | 14.33 | 16,800 |   |  
            | 8/26/2010 | -1.30 / -5.91% | 23.00 | 23.00 | 20.70 | 20.70 | 20.98 | 15.14 | 59,900 |   |  			
            | 8/25/2010 | -1.60 / -6.78% | 22.00 | 23.60 | 22.00 | 22.00 | 22.25 | 16.09 | 7,100 |   |  
            | 8/24/2010 | -1.70 / -6.72% | 23.70 | 23.70 | 23.60 | 23.60 | 23.61 | 17.26 | 6,900 |   |  			
            | 8/23/2010 | +1.30 / +5.42% | 25.30 | 25.30 | 25.30 | 25.30 | 25.30 | 18.50 | 10,000 |   |  
            | 8/20/2010 | -0.50 / -2.04% | 24.60 | 25.80 | 23.70 | 24.00 | 24.68 | 17.55 | 35,900 |   |  			
            | 8/19/2010 | -0.50 / -2.00% | 24.00 | 25.20 | 24.00 | 24.50 | 24.43 | 17.92 | 38,700 |   |  
            | 8/18/2010 | -1.80 / -6.72% | 26.70 | 26.70 | 25.00 | 25.00 | 25.14 | 18.28 | 33,200 |   |  			
            | 8/17/2010 | -1.00 / -3.60% | 28.40 | 28.40 | 25.40 | 26.80 | 26.76 | 19.60 | 23,700 |   |  
            | 8/16/2010 | +2.30 / +9.02% | 27.80 | 27.80 | 25.00 | 27.80 | 27.23 | 20.33 | 54,600 |   |  			
            | 8/13/2010 | -1.40 / -5.20% | 28.30 | 28.30 | 25.30 | 25.50 | 26.79 | 18.65 | 74,400 |   |  
            | 8/12/2010 | -1.80 / -6.27% | 28.50 | 28.50 | 26.90 | 26.90 | 27.24 | 19.67 | 35,000 |   |  			
            | 8/11/2010 | 0.00 / 0.00% | 29.60 | 29.60 | 26.80 | 28.70 | 28.90 | 20.99 | 24,400 |   |  
            | 8/10/2010 | -0.90 / -3.04% | 28.70 | 28.80 | 28.70 | 28.70 | 28.73 | 20.99 | 11,700 |   |  			
            | 8/9/2010 | -2.40 / -7.50% | 33.40 | 33.40 | 29.30 | 29.60 | 30.77 | 21.65 | 48,700 |   |  
            | 8/6/2010 | 0.00 / 0.00% | 31.10 | 32.00 | 31.00 | 32.00 | 31.41 | 23.40 | 24,900 |   |  			
            | 8/5/2010 | +0.40 / +1.27% | 32.30 | 34.00 | 32.00 | 32.00 | 32.90 | 23.40 | 22,600 |   |  
            | 8/4/2010 | -0.20 / -0.63% | 34.00 | 34.00 | 31.00 | 31.60 | 32.16 | 23.11 | 31,000 |   |  			
            | 8/3/2010 | -0.10 / -0.31% | 33.30 | 33.40 | 31.80 | 31.80 | 33.15 | 23.26 | 70,800 |   |  
            | 8/2/2010 | +2.40 / +8.14% | 30.00 | 31.90 | 30.00 | 31.90 | 31.34 | 23.33 | 70,400 |   |  			
            | 7/30/2010 | -0.60 / -1.99% | 29.90 | 30.50 | 29.50 | 29.50 | 29.93 | 21.58 | 17,600 |   |  
            | 7/29/2010 | +0.70 / +2.38% | 30.00 | 30.50 | 28.40 | 30.10 | 29.89 | 22.01 | 7,400 |   |  			
            | 7/28/2010 | -1.60 / -5.16% | 30.50 | 30.50 | 29.40 | 29.40 | 29.76 | 21.50 | 20,900 |   |  
            | 7/27/2010 | -2.20 / -6.63% | 33.90 | 33.90 | 31.00 | 31.00 | 31.58 | 22.67 | 23,500 |   |  			
            | 7/26/2010 | -0.60 / -1.78% | 34.00 | 35.50 | 32.40 | 33.20 | 33.01 | 24.28 | 42,800 |   |  
            | 7/23/2010 | 0.00 / 0.00% | 35.20 | 35.20 | 33.00 | 33.80 | 33.46 | 24.72 | 20,300 |   |  |