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                    Closing price on 7/3/2012
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        |           
                
                    | Open | 10.00 |  
                    | High | 10.00 |  
                    | Low | 9.50 |  
                    | Volume | 195,800 |  
                    | Split-adjusted Price | 4.88 |  
                
             | 
 |  PXS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/3/2012 | -0.30 / -3.06% | 10.00 | 10.00 | 9.50 | 9.50 | 9.50 | 4.88 | 195,800 |   |  
            | 7/2/2012 | -0.30 / -2.97% | 10.10 | 10.20 | 9.80 | 9.80 | 9.80 | 5.03 | 96,460 |   |  			
            | 6/29/2012 | 0.00 / 0.00% | 10.10 | 10.20 | 10.00 | 10.10 | 10.10 | 5.19 | 103,270 |   |  
            | 6/28/2012 | -0.10 / -0.98% | 10.20 | 10.20 | 9.90 | 10.10 | 10.10 | 5.19 | 198,860 |   |  			
            | 6/27/2012 | +0.10 / +0.99% | 10.50 | 10.50 | 10.00 | 10.20 | 10.20 | 5.24 | 84,800 |   |  
            | 6/26/2012 | -0.50 / -4.72% | 10.90 | 10.90 | 10.10 | 10.10 | 10.10 | 5.19 | 233,760 |   |  			
            | 6/25/2012 | -0.50 / -4.50% | 11.30 | 11.30 | 10.60 | 10.60 | 10.60 | 5.44 | 189,170 |   |  
            | 6/22/2012 | -0.20 / -1.77% | 11.40 | 11.40 | 11.10 | 11.10 | 11.10 | 5.70 | 83,490 |   |  			
            | 6/21/2012 | -0.10 / -0.88% | 11.30 | 11.50 | 11.30 | 11.30 | 11.30 | 5.80 | 25,020 |   |  
            | 6/20/2012 | 0.00 / 0.00% | 11.50 | 11.50 | 11.40 | 11.40 | 11.40 | 5.85 | 38,110 |   |  			
            | 6/19/2012 | -0.10 / -0.87% | 11.30 | 11.50 | 11.30 | 11.40 | 11.40 | 5.85 | 28,060 |   |  
            | 6/18/2012 | 0.00 / 0.00% | 11.70 | 11.70 | 11.40 | 11.50 | 11.50 | 5.91 | 145,170 |   |  			
            | 6/15/2012 | +0.30 / +2.68% | 11.40 | 11.60 | 11.30 | 11.50 | 11.50 | 5.91 | 80,250 |   |  
            | 6/14/2012 | -0.20 / -1.75% | 11.40 | 11.40 | 11.20 | 11.20 | 11.20 | 5.75 | 121,570 |   |  			
            | 6/13/2012 | 0.00 / 0.00% | 11.50 | 11.50 | 11.20 | 11.40 | 11.40 | 5.85 | 77,340 |   |  
            | 6/12/2012 | -0.30 / -2.56% | 11.50 | 11.70 | 11.30 | 11.40 | 11.40 | 5.85 | 97,530 |   |  			
            | 6/11/2012 | +0.10 / +0.86% | 11.60 | 11.80 | 11.60 | 11.70 | 11.70 | 6.01 | 86,430 |   |  
            | 6/8/2012 | -0.10 / -0.85% | 12.00 | 12.00 | 11.60 | 11.60 | 11.60 | 5.96 | 314,020 |   |  			
            | 6/7/2012 | +0.40 / +3.54% | 11.30 | 11.80 | 11.30 | 11.70 | 11.70 | 6.01 | 300,260 |   |  
            | 6/6/2012 | +0.20 / +1.80% | 11.10 | 11.40 | 11.00 | 11.30 | 11.30 | 5.80 | 88,120 |   |  			
            | 6/5/2012 | +0.30 / +2.78% | 10.80 | 11.10 | 10.80 | 11.10 | 11.10 | 5.70 | 175,820 |   |  
            | 6/4/2012 | -0.40 / -3.57% | 11.00 | 11.10 | 10.80 | 10.80 | 10.80 | 5.55 | 194,970 |   |  			
            | 6/1/2012 | -0.20 / -1.75% | 11.60 | 11.60 | 11.10 | 11.20 | 11.20 | 5.75 | 66,560 |   |  
            | 5/31/2012 | -0.20 / -1.72% | 11.50 | 11.50 | 11.20 | 11.40 | 11.40 | 5.85 | 145,170 |   |  			
            | 5/30/2012 | +0.10 / +0.87% | 11.60 | 11.70 | 11.50 | 11.60 | 11.60 | 5.96 | 35,360 |   |  
            | 5/29/2012 | -0.30 / -2.54% | 11.60 | 11.60 | 11.30 | 11.50 | 11.50 | 5.91 | 116,940 |   |  			
            | 5/28/2012 | +0.20 / +1.72% | 12.00 | 12.00 | 11.50 | 11.80 | 11.80 | 6.06 | 117,630 |   |  
            | 5/25/2012 | +0.50 / +4.50% | 11.60 | 11.60 | 11.50 | 11.60 | 11.60 | 5.96 | 127,620 |   |  			
            | 5/24/2012 | -0.40 / -3.48% | 11.20 | 11.50 | 11.00 | 11.10 | 11.10 | 5.70 | 237,480 |   |  
            | 5/23/2012 | -0.60 / -4.96% | 11.80 | 11.80 | 11.50 | 11.50 | 11.50 | 5.91 | 193,210 |   |  |