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            | 
                    Closing price on 4/1/2016
                 |  |  
    
        |           
                
                    | Open | 46.00 |  
                    | High | 47.30 |  
                    | Low | 46.00 |  
                    | Volume | 5,320 |  
                    | Split-adjusted Price | 9.71 |  
                
             | 
 |  IMP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/1/2016 | 0.00 / 0.00% | 46.00 | 47.30 | 46.00 | 47.30 | 46.24 | 9.71 | 5,320 |   |  
            | 3/31/2016 | -0.40 / -0.84% | 48.80 | 48.80 | 46.00 | 47.30 | 47.09 | 9.71 | 8,750 |   |  			
            | 3/30/2016 | +0.20 / +0.42% | 47.50 | 47.70 | 46.90 | 47.70 | 47.18 | 9.79 | 17,380 |   |  
            | 3/29/2016 | -0.50 / -1.04% | 48.00 | 48.00 | 46.30 | 47.50 | 47.59 | 9.75 | 7,250 |   |  			
            | 3/28/2016 | +2.00 / +4.35% | 46.60 | 48.00 | 46.60 | 48.00 | 47.41 | 9.86 | 14,370 |   |  
            | 3/25/2016 | +0.50 / +1.10% | 45.60 | 46.00 | 44.40 | 46.00 | 45.18 | 9.44 | 5,290 |   |  			
            | 3/24/2016 | +0.40 / +0.89% | 45.40 | 46.90 | 45.40 | 45.50 | 46.12 | 9.34 | 2,190 |   |  
            | 3/23/2016 | -0.30 / -0.66% | 45.60 | 46.90 | 45.00 | 45.10 | 45.61 | 9.26 | 26,530 |   |  			
            | 3/22/2016 | +0.80 / +1.79% | 44.30 | 45.40 | 44.00 | 45.40 | 44.53 | 9.32 | 7,500 |   |  
            | 3/21/2016 | -1.80 / -3.88% | 45.70 | 47.00 | 44.00 | 44.60 | 45.89 | 9.16 | 6,450 |   |  			
            | 3/18/2016 | -2.10 / -4.33% | 48.50 | 48.80 | 46.40 | 46.40 | 47.16 | 9.53 | 18,320 |   |  
            | 3/17/2016 | -1.20 / -2.41% | 49.70 | 50.00 | 48.50 | 48.50 | 48.96 | 9.96 | 33,210 |   |  			
            | 3/16/2016 | -0.80 / -1.58% | 50.00 | 51.00 | 47.00 | 49.70 | 49.87 | 10.20 | 22,620 |   |  
            | 3/15/2016 | +0.50 / +1.00% | 50.00 | 52.00 | 49.10 | 50.50 | 50.09 | 10.37 | 27,350 |   |  			
            | 3/14/2016 | +3.00 / +6.38% | 47.00 | 50.00 | 47.00 | 50.00 | 49.44 | 10.27 | 75,650 |   |  
            | 3/11/2016 | +2.00 / +4.44% | 45.00 | 47.00 | 45.00 | 47.00 | 46.15 | 9.65 | 13,110 |   |  			
            | 3/10/2016 | +1.90 / +4.41% | 43.10 | 45.00 | 43.00 | 45.00 | 44.07 | 9.24 | 35,510 |   |  
            | 3/9/2016 | +0.10 / +0.23% | 43.00 | 43.10 | 42.40 | 43.10 | 42.79 | 8.85 | 24,560 |   |  			
            | 3/8/2016 | 0.00 / 0.00% | 42.50 | 43.00 | 42.30 | 43.00 | 42.53 | 8.83 | 6,890 |   |  
            | 3/7/2016 | -0.60 / -1.38% | 43.40 | 43.60 | 43.00 | 43.00 | 43.43 | 8.83 | 21,320 |   |  			
            | 3/4/2016 | +0.70 / +1.63% | 42.50 | 43.60 | 42.00 | 43.60 | 42.57 | 8.95 | 6,530 |   |  
            | 3/3/2016 | -1.00 / -2.28% | 43.00 | 43.00 | 42.00 | 42.90 | 42.67 | 8.81 | 14,230 |   |  			
            | 3/2/2016 | -0.10 / -0.23% | 44.00 | 44.00 | 42.50 | 43.90 | 43.93 | 9.01 | 2,390 |   |  
            | 3/1/2016 | 0.00 / 0.00% | 44.00 | 44.00 | 43.00 | 44.00 | 43.62 | 9.03 | 1,490 |   |  			
            | 2/29/2016 | +2.00 / +4.76% | 42.00 | 44.00 | 42.00 | 44.00 | 43.43 | 9.03 | 31,360 |   |  
            | 2/26/2016 | -0.80 / -1.87% | 42.90 | 43.00 | 42.00 | 42.00 | 42.77 | 8.62 | 8,160 |   |  			
            | 2/25/2016 | +0.30 / +0.71% | 43.00 | 43.50 | 42.40 | 42.80 | 42.76 | 8.79 | 7,040 |   |  
            | 2/24/2016 | +0.40 / +0.95% | 42.20 | 43.50 | 42.20 | 42.50 | 42.85 | 8.73 | 12,090 |   |  			
            | 2/23/2016 | +1.10 / +2.68% | 41.40 | 43.50 | 41.40 | 42.10 | 42.95 | 8.64 | 17,370 |   |  
            | 2/22/2016 | +1.00 / +2.50% | 40.00 | 41.40 | 40.00 | 41.00 | 40.79 | 8.42 | 12,110 |   |  |