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                    Closing price on 1/24/2013
                 |  |  
    
        |           
                
                    | Open | 34.50 |  
                    | High | 35.30 |  
                    | Low | 34.50 |  
                    | Volume | 8,100 |  
                    | Split-adjusted Price | 4.24 |  
                
             | 
 |  IMP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/24/2013 | +0.80 / +2.32% | 34.50 | 35.30 | 34.50 | 35.30 | 35.30 | 4.24 | 8,100 |   |  
            | 1/23/2013 | +0.40 / +1.17% | 34.00 | 34.50 | 33.90 | 34.50 | 34.50 | 4.15 | 11,950 |   |  			
            | 1/22/2013 | -0.40 / -1.16% | 35.00 | 35.00 | 34.00 | 34.10 | 34.10 | 4.10 | 12,940 |   |  
            | 1/21/2013 | +0.50 / +1.47% | 34.50 | 34.50 | 33.80 | 34.50 | 34.50 | 4.15 | 56,970 |   |  			
            | 1/18/2013 | -0.50 / -1.45% | 34.10 | 34.10 | 34.00 | 34.00 | 34.00 | 4.09 | 2,000 |   |  
            | 1/17/2013 | -0.20 / -0.58% | 34.70 | 34.70 | 34.00 | 34.50 | 34.50 | 4.15 | 23,000 |   |  			
            | 1/16/2013 | 0.00 / 0.00% | 34.70 | 34.70 | 34.00 | 34.70 | 34.70 | 4.17 | 7,200 |   |  
            | 1/15/2013 | -0.30 / -0.86% | 34.60 | 34.70 | 34.50 | 34.70 | 34.70 | 4.17 | 14,040 |   |  			
            | 1/14/2013 | 0.00 / 0.00% | 34.50 | 35.00 | 34.50 | 35.00 | 35.00 | 4.21 | 1,150 |   |  
            | 1/11/2013 | -0.20 / -0.57% | 34.30 | 35.90 | 34.30 | 35.00 | 35.00 | 4.21 | 28,650 |   |  			
            | 1/10/2013 | -0.80 / -2.22% | 35.00 | 35.90 | 35.00 | 35.20 | 35.20 | 4.23 | 13,460 |   |  
            | 1/9/2013 | +1.10 / +3.15% | 34.90 | 36.60 | 34.90 | 36.00 | 36.00 | 4.33 | 52,790 |   |  			
            | 1/8/2013 | -0.10 / -0.29% | 34.90 | 34.90 | 34.50 | 34.90 | 34.90 | 4.19 | 9,850 |   |  
            | 1/7/2013 | 0.00 / 0.00% | 35.00 | 35.00 | 34.50 | 35.00 | 35.00 | 4.21 | 3,180 |   |  			
            | 1/4/2013 | 0.00 / 0.00% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 4.21 | 2,000 |   |  
            | 1/3/2013 | 0.00 / 0.00% | 35.00 | 35.00 | 34.90 | 35.00 | 35.00 | 4.21 | 1,670 |   |  			
            | 1/2/2013 | -0.30 / -0.85% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 4.21 | 5,090 |   |  
            | 12/28/2012 | 0.00 / 0.00% | 35.00 | 35.30 | 35.00 | 35.30 | 35.30 | 4.24 | 3,300 |   |  			
            | 12/27/2012 | -0.70 / -1.94% | 35.00 | 35.30 | 35.00 | 35.30 | 35.30 | 4.24 | 1,600 |   |  
            | 12/26/2012 | +1.10 / +3.15% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 4.33 | 5,000 |   |  			
            | 12/25/2012 | +0.10 / +0.29% | 34.80 | 34.90 | 34.80 | 34.90 | 34.90 | 4.19 | 2,770 |   |  
            | 12/24/2012 | 0.00 / 0.00% | 34.80 | 34.80 | 34.80 | 34.80 | 34.80 | 4.18 | 400 |   |  			
            | 12/21/2012 | -0.20 / -0.57% | 35.00 | 35.00 | 34.80 | 34.80 | 34.80 | 4.18 | 24,580 |   |  
            | 12/20/2012 | +0.40 / +1.16% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 4.21 | 3,000 |   |  			
            | 12/19/2012 | +0.10 / +0.29% | 34.60 | 34.60 | 34.60 | 34.60 | 34.60 | 4.16 | 1,250 |   |  
            | 12/18/2012 | -0.50 / -1.43% | 35.00 | 35.20 | 34.50 | 34.50 | 34.50 | 4.15 | 5,840 |   |  			
            | 12/17/2012 | 0.00 / 0.00% | 35.20 | 35.30 | 35.00 | 35.00 | 35.00 | 4.21 | 3,640 |   |  
            | 12/14/2012 | 0.00 / 0.00% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 4.21 | 0 |   |  			
            | 12/13/2012 | -0.20 / -0.57% | 35.50 | 35.50 | 35.00 | 35.00 | 35.00 | 4.21 | 2,020 |   |  
            | 12/12/2012 | +0.40 / +1.15% | 35.00 | 35.20 | 35.00 | 35.20 | 35.20 | 4.23 | 2,270 |   |  |