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            | 
                    Closing price on 10/24/2012
                 |  |  
    
        |           
                
                    | Open | 9.00 |  
                    | High | 9.00 |  
                    | Low | 8.60 |  
                    | Volume | 222,150 |  
                    | Split-adjusted Price | 4.42 |  
                
             | 
 |  PXS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/24/2012 | -0.40 / -4.44% | 9.00 | 9.00 | 8.60 | 8.60 | 8.60 | 4.42 | 222,150 |   |  
            | 10/23/2012 | +0.10 / +1.12% | 9.00 | 9.00 | 8.90 | 9.00 | 9.00 | 4.62 | 21,870 |   |  			
            | 10/22/2012 | -0.10 / -1.11% | 9.00 | 9.00 | 8.80 | 8.90 | 8.90 | 4.57 | 22,670 |   |  
            | 10/19/2012 | 0.00 / 0.00% | 9.00 | 9.10 | 8.80 | 9.00 | 9.00 | 4.62 | 42,540 |   |  			
            | 10/18/2012 | -0.20 / -2.17% | 9.20 | 9.20 | 9.00 | 9.00 | 9.00 | 4.62 | 25,050 |   |  
            | 10/17/2012 | 0.00 / 0.00% | 9.20 | 9.20 | 9.00 | 9.20 | 9.20 | 4.72 | 3,670 |   |  			
            | 10/16/2012 | +0.20 / +2.22% | 9.00 | 9.20 | 9.00 | 9.20 | 9.20 | 4.72 | 94,120 |   |  
            | 10/15/2012 | -0.10 / -1.10% | 9.20 | 9.20 | 9.00 | 9.00 | 9.00 | 4.62 | 42,250 |   |  			
            | 10/12/2012 | 0.00 / 0.00% | 9.10 | 9.10 | 9.00 | 9.10 | 9.10 | 4.67 | 39,820 |   |  
            | 10/11/2012 | -0.10 / -1.09% | 9.30 | 9.50 | 9.10 | 9.10 | 9.10 | 4.67 | 144,190 |   |  			
            | 10/10/2012 | 0.00 / 0.00% | 9.20 | 9.30 | 9.00 | 9.20 | 9.20 | 4.72 | 21,520 |   |  
            | 10/9/2012 | -0.10 / -1.08% | 9.30 | 9.30 | 9.00 | 9.20 | 9.20 | 4.72 | 23,840 |   |  			
            | 10/8/2012 | +0.20 / +2.20% | 9.00 | 9.30 | 9.00 | 9.30 | 9.30 | 4.78 | 37,250 |   |  
            | 10/5/2012 | +0.20 / +2.25% | 8.90 | 9.10 | 8.90 | 9.10 | 9.10 | 4.67 | 38,730 |   |  			
            | 10/4/2012 | 0.00 / 0.00% | 8.80 | 8.90 | 8.80 | 8.90 | 8.90 | 4.57 | 19,060 |   |  
            | 10/3/2012 | +0.20 / +2.30% | 8.80 | 8.90 | 8.80 | 8.90 | 8.90 | 4.57 | 19,910 |   |  			
            | 10/2/2012 | 0.00 / 0.00% | 8.70 | 8.80 | 8.70 | 8.70 | 8.70 | 4.47 | 68,200 |   |  
            | 10/1/2012 | -0.10 / -1.14% | 8.90 | 8.90 | 8.60 | 8.70 | 8.70 | 4.47 | 132,140 |   |  			
            | 9/28/2012 | -0.20 / -2.22% | 8.90 | 8.90 | 8.80 | 8.80 | 8.80 | 4.52 | 88,810 |   |  
            | 9/27/2012 | 0.00 / 0.00% | 9.00 | 9.00 | 8.90 | 9.00 | 9.00 | 4.62 | 15,700 |   |  			
            | 9/26/2012 | 0.00 / 0.00% | 9.00 | 9.10 | 9.00 | 9.00 | 9.00 | 4.62 | 38,830 |   |  
            | 9/25/2012 | 0.00 / 0.00% | 9.00 | 9.00 | 8.90 | 9.00 | 9.00 | 4.62 | 36,940 |   |  			
            | 9/24/2012 | -0.10 / -1.10% | 9.10 | 9.10 | 8.90 | 9.00 | 9.00 | 4.62 | 15,140 |   |  
            | 9/21/2012 | +0.10 / +1.11% | 9.00 | 9.10 | 9.00 | 9.10 | 9.10 | 4.67 | 27,450 |   |  			
            | 9/20/2012 | -0.10 / -1.10% | 8.90 | 9.00 | 8.80 | 9.00 | 9.00 | 4.62 | 120,920 |   |  
            | 9/19/2012 | +0.10 / +1.11% | 8.90 | 9.10 | 8.90 | 9.10 | 9.10 | 4.67 | 86,180 |   |  			
            | 9/18/2012 | -0.30 / -3.23% | 9.30 | 9.30 | 9.00 | 9.00 | 9.00 | 4.62 | 92,940 |   |  
            | 9/17/2012 | -0.10 / -1.06% | 9.30 | 9.40 | 9.30 | 9.30 | 9.30 | 4.78 | 129,690 |   |  			
            | 9/14/2012 | 0.00 / 0.00% | 9.50 | 9.70 | 9.40 | 9.40 | 9.40 | 4.83 | 303,140 |   |  
            | 9/13/2012 | +0.10 / +1.08% | 9.40 | 9.40 | 9.20 | 9.40 | 9.40 | 4.83 | 54,730 |   |  |