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                    Closing price on 10/17/2012
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                    | Open | 37.10 |  
                    | High | 38.00 |  
                    | Low | 37.00 |  
                    | Volume | 660 |  
                    | Split-adjusted Price | 4.57 |  
                
             | 
 |  IMP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/17/2012 | -0.50 / -1.30% | 37.10 | 38.00 | 37.00 | 38.00 | 38.00 | 4.57 | 660 |   |  
            | 10/16/2012 | -3.20 / -7.67% | 38.00 | 38.50 | 38.00 | 38.50 | 38.50 | 4.63 | 160 |   |  			
            | 10/15/2012 | -0.20 / -0.48% | 41.80 | 41.80 | 40.50 | 41.70 | 41.70 | 4.42 | 900 |   |  
            | 10/12/2012 | 0.00 / 0.00% | 42.00 | 43.00 | 41.90 | 41.90 | 41.90 | 4.45 | 3,360 |   |  			
            | 10/11/2012 | -0.10 / -0.24% | 41.90 | 41.90 | 41.50 | 41.90 | 41.90 | 4.45 | 500,200 |   |  
            | 10/10/2012 | +0.50 / +1.20% | 41.00 | 42.00 | 41.00 | 42.00 | 42.00 | 4.46 | 90 |   |  			
            | 10/9/2012 | -0.50 / -1.19% | 41.50 | 41.50 | 41.50 | 41.50 | 41.50 | 4.40 | 10 |   |  
            | 10/8/2012 | +2.00 / +5.00% | 40.00 | 42.00 | 38.00 | 42.00 | 42.00 | 4.46 | 140 |   |  			
            | 10/5/2012 | 0.00 / 0.00% | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 | 4.24 | 0 |   |  
            | 10/4/2012 | 0.00 / 0.00% | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 | 4.24 | 0 |   |  			
            | 10/3/2012 | 0.00 / 0.00% | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 | 4.24 | 0 |   |  
            | 10/2/2012 | 0.00 / 0.00% | 38.30 | 40.00 | 38.20 | 40.00 | 40.00 | 4.24 | 400 |   |  			
            | 10/1/2012 | 0.00 / 0.00% | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 | 4.24 | 722,942 |   |  
            | 9/28/2012 | +1.10 / +2.83% | 38.00 | 40.00 | 38.00 | 40.00 | 40.00 | 4.24 | 13,850 |   |  			
            | 9/27/2012 | +0.90 / +2.37% | 38.90 | 38.90 | 38.90 | 38.90 | 38.90 | 4.13 | 500 |   |  
            | 9/26/2012 | +0.50 / +1.33% | 39.00 | 39.00 | 38.00 | 38.00 | 38.00 | 4.03 | 1,010 |   |  			
            | 9/25/2012 | -0.70 / -1.83% | 38.40 | 38.40 | 37.50 | 37.50 | 37.50 | 3.98 | 4,040 |   |  
            | 9/24/2012 | -0.60 / -1.55% | 38.30 | 38.30 | 38.20 | 38.20 | 38.20 | 4.05 | 640 |   |  			
            | 9/21/2012 | 0.00 / 0.00% | 38.80 | 38.80 | 38.80 | 38.80 | 38.80 | 4.12 | 0 |   |  
            | 9/20/2012 | -0.10 / -0.26% | 38.00 | 39.00 | 38.00 | 38.80 | 38.80 | 4.12 | 23,480 |   |  			
            | 9/19/2012 | 0.00 / 0.00% | 38.00 | 38.90 | 38.00 | 38.90 | 38.90 | 4.13 | 6,760 |   |  
            | 9/18/2012 | -1.00 / -2.51% | 39.10 | 39.10 | 38.90 | 38.90 | 38.90 | 4.13 | 13,290 |   |  			
            | 9/17/2012 | -0.10 / -0.25% | 39.90 | 40.00 | 39.90 | 39.90 | 39.90 | 4.23 | 18,500 |   |  
            | 9/14/2012 | +0.70 / +1.78% | 41.20 | 41.20 | 39.60 | 40.00 | 40.00 | 4.24 | 15,010 |   |  			
            | 9/13/2012 | +1.80 / +4.80% | 39.00 | 39.30 | 38.00 | 39.30 | 39.30 | 4.17 | 21,940 |   |  
            | 9/12/2012 | 0.00 / 0.00% | 37.50 | 37.50 | 37.50 | 37.50 | 37.50 | 3.98 | 0 |   |  			
            | 9/11/2012 | -0.50 / -1.32% | 37.50 | 37.50 | 37.50 | 37.50 | 37.50 | 3.98 | 7,900 |   |  
            | 9/10/2012 | 0.00 / 0.00% | 36.20 | 38.00 | 36.10 | 38.00 | 38.00 | 4.03 | 1,610 |   |  			
            | 9/7/2012 | 0.00 / 0.00% | 38.50 | 38.50 | 36.50 | 38.00 | 38.00 | 4.03 | 2,880 |   |  
            | 9/6/2012 | 0.00 / 0.00% | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 4.03 | 0 |   |  |