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                    Closing price on 9/10/2013
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                    | Open | 3.50 |  
                    | High | 3.60 |  
                    | Low | 3.40 |  
                    | Volume | 1,548,984 |  
                    | Split-adjusted Price | 3.50 |  
                
             | 
 |  PVX Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/10/2013 | 0.00 / 0.00% | 3.50 | 3.60 | 3.40 | 3.50 | 3.50 | 3.50 | 1,548,984 |   |  
            | 9/9/2013 | -0.20 / -5.41% | 3.70 | 3.70 | 3.40 | 3.50 | 3.54 | 3.50 | 1,466,595 |   |  			
            | 9/6/2013 | 0.00 / 0.00% | 3.70 | 3.80 | 3.60 | 3.70 | 3.68 | 3.70 | 526,340 |   |  
            | 9/5/2013 | 0.00 / 0.00% | 3.70 | 3.80 | 3.60 | 3.70 | 3.70 | 3.70 | 1,025,540 |   |  			
            | 9/4/2013 | -0.10 / -2.63% | 3.80 | 3.80 | 3.70 | 3.70 | 3.73 | 3.70 | 1,230,649 |   |  
            | 9/3/2013 | -0.20 / -5.00% | 4.00 | 4.00 | 3.70 | 3.80 | 3.83 | 3.80 | 1,371,566 |   |  			
            | 8/30/2013 | +0.10 / +2.56% | 3.90 | 4.00 | 3.90 | 4.00 | 3.94 | 4.00 | 692,802 |   |  
            | 8/29/2013 | 0.00 / 0.00% | 3.90 | 4.00 | 3.90 | 3.90 | 3.93 | 3.90 | 1,109,400 |   |  			
            | 8/28/2013 | -0.10 / -2.50% | 4.00 | 4.10 | 3.80 | 3.90 | 3.93 | 3.90 | 2,671,226 |   |  
            | 8/27/2013 | -0.20 / -4.76% | 4.10 | 4.10 | 4.00 | 4.00 | 4.04 | 4.00 | 232,251 |   |  			
            | 8/26/2013 | +0.20 / +5.00% | 4.10 | 4.20 | 4.00 | 4.20 | 4.06 | 4.20 | 687,364 |   |  
            | 8/23/2013 | -0.20 / -4.76% | 4.20 | 4.20 | 4.00 | 4.00 | 4.12 | 4.00 | 1,804,484 |   |  			
            | 8/22/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.20 | 4.20 | 4.20 | 1,144,141 |   |  
            | 8/21/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.20 | 4.23 | 4.20 | 1,633,438 |   |  			
            | 8/20/2013 | -0.10 / -2.33% | 4.30 | 4.40 | 4.20 | 4.20 | 4.25 | 4.20 | 1,406,927 |   |  
            | 8/19/2013 | +0.20 / +4.88% | 4.10 | 4.40 | 4.00 | 4.30 | 4.24 | 4.30 | 2,533,424 |   |  			
            | 8/16/2013 | -0.10 / -2.38% | 4.20 | 4.30 | 4.10 | 4.10 | 4.15 | 4.10 | 1,316,975 |   |  
            | 8/15/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.20 | 4.20 | 4.22 | 4.20 | 795,903 |   |  			
            | 8/14/2013 | +0.30 / +7.69% | 4.00 | 4.20 | 4.00 | 4.20 | 4.06 | 4.20 | 1,959,924 |   |  
            | 8/13/2013 | -0.10 / -2.50% | 4.00 | 4.10 | 3.90 | 3.90 | 3.98 | 3.90 | 2,242,774 |   |  			
            | 8/12/2013 | -0.10 / -2.44% | 4.10 | 4.20 | 4.00 | 4.00 | 4.08 | 4.00 | 2,005,606 |   |  
            | 8/9/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.10 | 4.17 | 4.10 | 1,335,831 |   |  			
            | 8/8/2013 | 0.00 / 0.00% | 4.10 | 4.30 | 4.10 | 4.10 | 4.15 | 4.10 | 1,196,964 |   |  
            | 8/7/2013 | -0.40 / -8.89% | 4.40 | 4.40 | 4.10 | 4.10 | 4.18 | 4.10 | 6,696,238 |   |  			
            | 8/6/2013 | 0.00 / 0.00% | 4.50 | 4.60 | 4.40 | 4.50 | 4.49 | 4.50 | 835,970 |   |  
            | 8/5/2013 | -0.10 / -2.17% | 4.60 | 4.60 | 4.50 | 4.50 | 4.53 | 4.50 | 1,082,462 |   |  			
            | 8/2/2013 | +0.10 / +2.22% | 4.60 | 4.70 | 4.50 | 4.60 | 4.60 | 4.60 | 1,204,911 |   |  
            | 8/1/2013 | +0.10 / +2.27% | 4.50 | 4.60 | 4.50 | 4.50 | 4.53 | 4.50 | 645,325 |   |  			
            | 7/31/2013 | -0.10 / -2.22% | 4.50 | 4.60 | 4.40 | 4.40 | 4.47 | 4.40 | 769,055 |   |  
            | 7/30/2013 | +0.10 / +2.27% | 4.50 | 4.60 | 4.40 | 4.50 | 4.50 | 4.50 | 950,328 |   |  |  |