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                    Closing price on 7/19/2012
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        |           
                
                    | Open | 39.00 |  
                    | High | 39.00 |  
                    | Low | 39.00 |  
                    | Volume | 1,000 |  
                    | Split-adjusted Price | 4.14 |  
                
             | 
 |  IMP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/19/2012 | 0.00 / 0.00% | 39.00 | 39.00 | 39.00 | 39.00 | 39.00 | 4.14 | 1,000 |   |  
            | 7/18/2012 | -0.30 / -0.76% | 39.00 | 39.00 | 39.00 | 39.00 | 39.00 | 4.14 | 7,640 |   |  			
            | 7/17/2012 | 0.00 / 0.00% | 39.30 | 39.30 | 39.30 | 39.30 | 39.30 | 4.17 | 4,100 |   |  
            | 7/16/2012 | +0.30 / +0.77% | 38.10 | 39.30 | 38.10 | 39.30 | 39.30 | 4.17 | 5,100 |   |  			
            | 7/13/2012 | 0.00 / 0.00% | 39.00 | 40.00 | 39.00 | 39.00 | 39.00 | 4.14 | 6,310 |   |  
            | 7/12/2012 | 0.00 / 0.00% | 39.00 | 39.00 | 39.00 | 39.00 | 39.00 | 4.14 | 14,000 |   |  			
            | 7/11/2012 | +0.10 / +0.26% | 39.00 | 39.00 | 39.00 | 39.00 | 39.00 | 4.14 | 4,600 |   |  
            | 7/10/2012 | 0.00 / 0.00% | 38.80 | 38.90 | 38.00 | 38.90 | 38.90 | 4.13 | 10,980 |   |  			
            | 7/9/2012 | +0.20 / +0.52% | 39.00 | 39.00 | 38.00 | 38.90 | 38.90 | 4.13 | 11,190 |   |  
            | 7/6/2012 | +0.30 / +0.78% | 38.70 | 38.70 | 38.70 | 38.70 | 38.70 | 4.11 | 5,000 |   |  			
            | 7/5/2012 | 0.00 / 0.00% | 38.70 | 39.00 | 38.30 | 38.40 | 38.40 | 4.07 | 7,000 |   |  
            | 7/4/2012 | +0.10 / +0.26% | 38.70 | 39.00 | 38.40 | 38.40 | 38.40 | 4.07 | 5,710 |   |  			
            | 7/3/2012 | -0.60 / -1.54% | 37.50 | 38.50 | 37.50 | 38.30 | 38.30 | 4.06 | 7,560 |   |  
            | 7/2/2012 | -0.10 / -0.26% | 38.80 | 38.90 | 38.80 | 38.90 | 38.90 | 4.13 | 1,980 |   |  			
            | 6/29/2012 | +0.10 / +0.26% | 37.50 | 39.00 | 37.50 | 39.00 | 39.00 | 4.14 | 4,010 |   |  
            | 6/28/2012 | +0.10 / +0.26% | 39.00 | 39.00 | 38.20 | 38.90 | 38.90 | 4.13 | 4,300 |   |  			
            | 6/27/2012 | -0.10 / -0.26% | 38.50 | 38.90 | 38.40 | 38.80 | 38.80 | 4.12 | 5,000 |   |  
            | 6/26/2012 | +0.20 / +0.52% | 38.70 | 38.90 | 37.20 | 38.90 | 38.90 | 4.13 | 7,050 |   |  			
            | 6/25/2012 | +0.30 / +0.78% | 38.50 | 38.70 | 38.50 | 38.70 | 38.70 | 4.11 | 3,100 |   |  
            | 6/22/2012 | +0.40 / +1.05% | 38.50 | 38.50 | 38.40 | 38.40 | 38.40 | 4.07 | 24,210 |   |  			
            | 6/21/2012 | -0.60 / -1.55% | 38.30 | 38.90 | 36.70 | 38.00 | 38.00 | 4.03 | 10,210 |   |  
            | 6/20/2012 | +0.30 / +0.78% | 38.40 | 38.60 | 38.40 | 38.60 | 38.60 | 4.10 | 9,690 |   |  			
            | 6/19/2012 | 0.00 / 0.00% | 38.40 | 39.00 | 38.30 | 38.30 | 38.30 | 4.06 | 1,120 |   |  
            | 6/18/2012 | +0.30 / +0.79% | 38.60 | 38.90 | 37.80 | 38.30 | 38.30 | 4.06 | 3,060 |   |  			
            | 6/15/2012 | +0.20 / +0.53% | 38.10 | 38.10 | 38.00 | 38.00 | 38.00 | 4.03 | 630 |   |  
            | 6/14/2012 | +0.30 / +0.80% | 39.00 | 39.00 | 37.50 | 37.80 | 37.80 | 4.01 | 5,950 |   |  			
            | 6/13/2012 | -0.40 / -1.06% | 38.80 | 38.80 | 37.50 | 37.50 | 37.50 | 3.98 | 5,940 |   |  
            | 6/12/2012 | -1.90 / -4.77% | 39.00 | 40.00 | 37.90 | 37.90 | 37.90 | 4.02 | 2,270 |   |  			
            | 6/11/2012 | +0.80 / +2.05% | 39.30 | 39.80 | 39.30 | 39.80 | 39.80 | 4.22 | 20 |   |  
            | 6/8/2012 | +1.40 / +3.72% | 39.20 | 39.20 | 37.90 | 39.00 | 39.00 | 4.14 | 12,150 |   |  |