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                    Closing price on 3/14/2012
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                    | Open | 40.00 |  
                    | High | 40.00 |  
                    | Low | 40.00 |  
                    | Volume | 230 |  
                    | Split-adjusted Price | 4.01 |  
                
             | 
 |  IMP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/14/2012 | +0.90 / +2.30% | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 | 4.01 | 230 |   |  
            | 3/13/2012 | -1.40 / -3.46% | 39.00 | 40.20 | 39.00 | 39.10 | 39.10 | 3.91 | 940 |   |  			
            | 3/12/2012 | 0.00 / 0.00% | 38.60 | 40.50 | 38.60 | 40.50 | 40.50 | 4.06 | 5,400 |   |  
            | 3/9/2012 | -0.50 / -1.22% | 40.00 | 40.70 | 39.50 | 40.50 | 40.50 | 4.06 | 3,960 |   |  			
            | 3/8/2012 | 0.00 / 0.00% | 41.00 | 41.00 | 41.00 | 41.00 | 41.00 | 4.11 | 0 |   |  
            | 3/7/2012 | +0.20 / +0.49% | 40.80 | 41.00 | 39.70 | 41.00 | 41.00 | 4.11 | 2,530 |   |  			
            | 3/6/2012 | 0.00 / 0.00% | 40.50 | 40.80 | 40.50 | 40.80 | 40.80 | 4.09 | 570 |   |  
            | 3/5/2012 | +0.40 / +0.99% | 40.40 | 40.90 | 40.40 | 40.80 | 40.80 | 4.09 | 21,300 |   |  			
            | 3/2/2012 | -0.10 / -0.25% | 40.50 | 41.00 | 40.40 | 40.40 | 40.40 | 4.05 | 4,100 |   |  
            | 3/1/2012 | -0.40 / -0.98% | 40.00 | 40.50 | 40.00 | 40.50 | 40.50 | 4.06 | 5,390 |   |  			
            | 2/29/2012 | 0.00 / 0.00% | 40.90 | 40.90 | 40.00 | 40.90 | 40.90 | 4.10 | 5,750 |   |  
            | 2/28/2012 | -1.10 / -2.62% | 41.00 | 41.50 | 40.00 | 40.90 | 40.90 | 4.10 | 4,930 |   |  			
            | 2/27/2012 | -0.10 / -0.24% | 43.10 | 43.10 | 42.00 | 42.00 | 42.00 | 4.21 | 2,560 |   |  
            | 2/24/2012 | +0.30 / +0.72% | 43.70 | 43.70 | 42.10 | 42.10 | 42.10 | 4.22 | 4,770 |   |  			
            | 2/23/2012 | -0.20 / -0.48% | 40.50 | 41.80 | 40.00 | 41.80 | 41.80 | 4.19 | 6,100 |   |  
            | 2/22/2012 | 0.00 / 0.00% | 42.00 | 42.00 | 41.90 | 42.00 | 42.00 | 4.21 | 10,720 |   |  			
            | 2/21/2012 | +0.10 / +0.24% | 42.00 | 42.00 | 42.00 | 42.00 | 42.00 | 4.21 | 7,050 |   |  
            | 2/20/2012 | +0.90 / +2.20% | 41.90 | 41.90 | 40.00 | 41.90 | 41.90 | 4.20 | 16,540 |   |  			
            | 2/17/2012 | -1.00 / -2.38% | 42.00 | 42.00 | 39.90 | 41.00 | 41.00 | 4.11 | 57,280 |   |  
            | 2/16/2012 | +1.90 / +4.74% | 40.10 | 42.00 | 40.10 | 42.00 | 42.00 | 4.21 | 970 |   |  			
            | 2/15/2012 | -2.10 / -4.98% | 42.20 | 42.20 | 40.10 | 40.10 | 40.10 | 4.02 | 63,760 |   |  
            | 2/14/2012 | -0.80 / -1.86% | 42.50 | 42.50 | 42.20 | 42.20 | 42.20 | 4.23 | 1,650 |   |  			
            | 2/13/2012 | 0.00 / 0.00% | 41.20 | 43.00 | 41.00 | 43.00 | 43.00 | 4.31 | 8,800 |   |  
            | 2/10/2012 | -0.50 / -1.15% | 42.00 | 43.40 | 42.00 | 43.00 | 43.00 | 4.31 | 5,560 |   |  			
            | 2/9/2012 | +0.30 / +0.69% | 42.00 | 43.50 | 42.00 | 43.50 | 43.50 | 4.36 | 6,000 |   |  
            | 2/8/2012 | +0.20 / +0.47% | 42.00 | 43.20 | 42.00 | 43.20 | 43.20 | 4.33 | 3,510 |   |  			
            | 2/7/2012 | 0.00 / 0.00% | 42.00 | 43.00 | 42.00 | 43.00 | 43.00 | 4.31 | 2,500 |   |  
            | 2/6/2012 | 0.00 / 0.00% | 43.00 | 43.00 | 43.00 | 43.00 | 43.00 | 4.31 | 1,300 |   |  			
            | 2/3/2012 | 0.00 / 0.00% | 43.00 | 43.00 | 43.00 | 43.00 | 43.00 | 4.31 | 1,300 |   |  
            | 2/2/2012 | 0.00 / 0.00% | 43.00 | 43.00 | 43.00 | 43.00 | 43.00 | 4.31 | 3,010 |   |  |