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                    Closing price on 9/11/2013
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                    | Open | 35.50 |  
                    | High | 35.50 |  
                    | Low | 34.80 |  
                    | Volume | 9,280 |  
                    | Split-adjusted Price | 4.39 |  
                
             | 
 |  IMP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/11/2013 | +0.10 / +0.28% | 35.50 | 35.50 | 34.80 | 35.40 | 35.40 | 4.39 | 9,280 |   |  
            | 9/10/2013 | 0.00 / 0.00% | 34.00 | 35.30 | 34.00 | 35.30 | 35.30 | 4.38 | 1,020 |   |  			
            | 9/9/2013 | +0.30 / +0.86% | 35.40 | 35.50 | 35.30 | 35.30 | 35.30 | 4.38 | 430 |   |  
            | 9/6/2013 | +0.30 / +0.86% | 35.00 | 35.30 | 34.70 | 35.00 | 35.00 | 4.34 | 5,120 |   |  			
            | 9/5/2013 | +0.10 / +0.29% | 34.50 | 34.70 | 34.30 | 34.70 | 34.70 | 4.30 | 7,310 |   |  
            | 9/4/2013 | -0.50 / -1.42% | 35.10 | 35.40 | 34.40 | 34.60 | 34.60 | 4.29 | 8,530 |   |  			
            | 9/3/2013 | -0.90 / -2.50% | 36.00 | 36.00 | 35.10 | 35.10 | 35.10 | 4.35 | 2,350 |   |  
            | 8/30/2013 | 0.00 / 0.00% | 35.50 | 36.00 | 35.10 | 36.00 | 36.00 | 4.46 | 4,750 |   |  			
            | 8/29/2013 | +0.30 / +0.84% | 36.10 | 36.10 | 35.50 | 36.00 | 36.00 | 4.46 | 1,140 |   |  
            | 8/28/2013 | -0.30 / -0.83% | 36.00 | 36.00 | 34.40 | 35.70 | 35.70 | 4.43 | 15,080 |   |  			
            | 8/27/2013 | -0.50 / -1.37% | 36.50 | 36.50 | 36.00 | 36.00 | 36.00 | 4.46 | 2,800 |   |  
            | 8/26/2013 | +0.20 / +0.55% | 36.30 | 36.50 | 35.60 | 36.50 | 36.50 | 4.53 | 10,710 |   |  			
            | 8/23/2013 | +0.30 / +0.83% | 36.50 | 36.50 | 35.50 | 36.30 | 36.30 | 4.50 | 15,830 |   |  
            | 8/22/2013 | -0.70 / -1.91% | 36.10 | 36.80 | 36.00 | 36.00 | 36.00 | 4.46 | 27,300 |   |  			
            | 8/21/2013 | +0.50 / +1.38% | 36.00 | 37.00 | 35.90 | 36.70 | 36.70 | 4.55 | 30,770 |   |  
            | 8/20/2013 | 0.00 / 0.00% | 36.90 | 36.90 | 35.90 | 36.20 | 36.20 | 4.49 | 12,860 |   |  			
            | 8/19/2013 | +0.10 / +0.28% | 36.70 | 37.20 | 36.10 | 36.20 | 36.20 | 4.49 | 17,220 |   |  
            | 8/16/2013 | -1.10 / -2.96% | 37.40 | 37.40 | 36.00 | 36.10 | 36.10 | 4.48 | 22,570 |   |  			
            | 8/15/2013 | +0.20 / +0.54% | 37.70 | 37.80 | 37.00 | 37.20 | 37.20 | 4.61 | 20,190 |   |  
            | 8/14/2013 | 0.00 / 0.00% | 37.00 | 37.20 | 36.60 | 37.00 | 37.00 | 4.59 | 9,420 |   |  			
            | 8/13/2013 | +0.30 / +0.82% | 36.70 | 37.80 | 35.80 | 37.00 | 37.00 | 4.59 | 33,320 |   |  
            | 8/12/2013 | +0.50 / +1.38% | 36.20 | 37.00 | 35.60 | 36.70 | 36.70 | 4.55 | 7,090 |   |  			
            | 8/9/2013 | -0.80 / -2.16% | 37.00 | 37.00 | 36.20 | 36.20 | 36.20 | 4.49 | 15,740 |   |  
            | 8/8/2013 | -1.00 / -2.63% | 37.50 | 37.90 | 36.80 | 37.00 | 37.00 | 4.59 | 25,610 |   |  			
            | 8/7/2013 | +0.40 / +1.06% | 38.30 | 38.30 | 37.60 | 38.00 | 38.00 | 4.71 | 14,100 |   |  
            | 8/6/2013 | +1.30 / +3.58% | 36.50 | 38.60 | 36.50 | 37.60 | 37.60 | 4.66 | 79,460 |   |  			
            | 8/5/2013 | +0.80 / +2.25% | 35.50 | 37.00 | 35.50 | 36.30 | 36.30 | 4.50 | 55,190 |   |  
            | 8/2/2013 | 0.00 / 0.00% | 34.40 | 35.50 | 34.40 | 35.50 | 35.50 | 4.40 | 3,120 |   |  			
            | 8/1/2013 | 0.00 / 0.00% | 35.50 | 35.50 | 35.50 | 35.50 | 35.50 | 4.40 | 6,400 |   |  
            | 7/31/2013 | 0.00 / 0.00% | 35.10 | 35.50 | 34.10 | 35.50 | 35.50 | 4.40 | 25,460 |   |  |