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            | 
                    Closing price on 4/3/2017
                 |  |  
    
        |           
                
                    | Open | 67.00 |  
                    | High | 67.00 |  
                    | Low | 65.00 |  
                    | Volume | 19,550 |  
                    | Split-adjusted Price | 14.68 |  
                
             | 
 |  IMP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/3/2017 | -1.60 / -2.40% | 67.00 | 67.00 | 65.00 | 65.20 | 65.58 | 14.68 | 19,550 |   |  
            | 3/31/2017 | +1.80 / +2.77% | 65.50 | 67.80 | 65.50 | 66.80 | 66.96 | 15.04 | 137,730 |   |  			
            | 3/30/2017 | +2.50 / +4.00% | 62.50 | 65.00 | 62.40 | 65.00 | 64.75 | 14.63 | 443,520 |   |  
            | 3/29/2017 | +0.70 / +1.13% | 61.80 | 63.50 | 61.80 | 62.50 | 62.60 | 14.07 | 40,960 |   |  			
            | 3/28/2017 | -0.10 / -0.16% | 62.50 | 62.50 | 61.50 | 61.80 | 61.90 | 13.91 | 18,740 |   |  
            | 3/27/2017 | +1.10 / +1.81% | 61.70 | 62.00 | 60.80 | 61.90 | 61.07 | 13.94 | 106,110 |   |  			
            | 3/24/2017 | +0.60 / +1.00% | 62.00 | 62.00 | 60.80 | 60.80 | 61.40 | 13.69 | 19,510 |   |  
            | 3/23/2017 | +0.20 / +0.33% | 58.50 | 60.40 | 58.50 | 60.20 | 60.03 | 13.55 | 156,550 |   |  			
            | 3/22/2017 | -1.00 / -1.64% | 60.00 | 61.00 | 58.90 | 60.00 | 59.99 | 13.51 | 21,470 |   |  
            | 3/21/2017 | -0.40 / -0.65% | 60.20 | 61.00 | 60.20 | 61.00 | 60.97 | 13.73 | 12,580 |   |  			
            | 3/20/2017 | +0.90 / +1.49% | 61.50 | 61.50 | 60.50 | 61.40 | 61.25 | 13.82 | 34,660 |   |  
            | 3/17/2017 | +0.30 / +0.50% | 61.00 | 61.00 | 59.20 | 60.50 | 60.15 | 13.62 | 15,960 |   |  			
            | 3/16/2017 | 0.00 / 0.00% | 60.30 | 60.80 | 59.50 | 60.20 | 60.31 | 13.55 | 22,400 |   |  
            | 3/15/2017 | -0.80 / -1.31% | 61.90 | 61.90 | 60.10 | 60.20 | 60.83 | 13.55 | 9,600 |   |  			
            | 3/14/2017 | +1.00 / +1.67% | 60.00 | 61.50 | 59.50 | 61.00 | 60.34 | 13.73 | 46,920 |   |  
            | 3/13/2017 | 0.00 / 0.00% | 59.50 | 60.40 | 58.00 | 60.00 | 59.88 | 13.51 | 32,880 |   |  			
            | 3/10/2017 | 0.00 / 0.00% | 60.00 | 60.20 | 60.00 | 60.00 | 60.01 | 13.51 | 18,580 |   |  
            | 3/9/2017 | -0.50 / -0.83% | 60.90 | 60.90 | 60.00 | 60.00 | 60.24 | 13.51 | 30,560 |   |  			
            | 3/8/2017 | +3.20 / +5.58% | 57.50 | 60.60 | 57.30 | 60.50 | 60.06 | 13.62 | 144,850 |   |  
            | 3/7/2017 | 0.00 / 0.00% | 56.90 | 57.30 | 56.80 | 57.30 | 57.01 | 12.90 | 16,470 |   |  			
            | 3/6/2017 | 0.00 / 0.00% | 57.50 | 57.50 | 56.80 | 57.30 | 56.97 | 12.90 | 11,340 |   |  
            | 3/3/2017 | -0.30 / -0.52% | 57.60 | 57.60 | 57.00 | 57.30 | 57.34 | 12.90 | 7,360 |   |  			
            | 3/2/2017 | +0.60 / +1.05% | 57.00 | 57.60 | 57.00 | 57.60 | 57.03 | 12.97 | 11,520 |   |  
            | 3/1/2017 | -0.90 / -1.55% | 57.00 | 57.00 | 56.50 | 57.00 | 56.98 | 12.83 | 860 |   |  			
            | 2/28/2017 | +0.90 / +1.58% | 56.00 | 57.90 | 56.00 | 57.90 | 56.80 | 13.04 | 8,010 |   |  
            | 2/27/2017 | -1.00 / -1.72% | 58.00 | 58.00 | 56.50 | 57.00 | 57.33 | 12.83 | 24,960 |   |  			
            | 2/24/2017 | 0.00 / 0.00% | 58.00 | 58.40 | 57.00 | 58.00 | 57.76 | 13.06 | 15,860 |   |  
            | 2/23/2017 | 0.00 / 0.00% | 58.00 | 58.00 | 58.00 | 58.00 | 58.00 | 13.06 | 7,430 |   |  			
            | 2/22/2017 | -0.10 / -0.17% | 58.50 | 58.50 | 57.50 | 58.00 | 58.00 | 13.06 | 14,690 |   |  
            | 2/21/2017 | -0.50 / -0.85% | 58.60 | 58.60 | 58.00 | 58.10 | 58.07 | 13.08 | 21,130 |   |  |