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                    Closing price on 12/11/2012
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                    | Open | 4.60 |  
                    | High | 4.60 |  
                    | Low | 4.40 |  
                    | Volume | 1,992,416 |  
                    | Split-adjusted Price | 4.40 |  
                
             | 
 |  PVX Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/11/2012 | -0.10 / -2.22% | 4.60 | 4.60 | 4.40 | 4.40 | 4.49 | 4.40 | 1,992,416 |   |  
            | 12/10/2012 | +0.20 / +4.65% | 4.30 | 4.60 | 4.30 | 4.50 | 4.48 | 4.50 | 3,638,002 |   |  			
            | 12/7/2012 | 0.00 / 0.00% | 4.30 | 4.50 | 4.20 | 4.30 | 4.34 | 4.30 | 1,838,856 |   |  
            | 12/6/2012 | -0.10 / -2.27% | 4.40 | 4.40 | 4.20 | 4.30 | 4.30 | 4.30 | 1,858,100 |   |  			
            | 12/5/2012 | +0.10 / +2.33% | 4.30 | 4.50 | 4.30 | 4.40 | 4.42 | 4.40 | 3,040,225 |   |  
            | 12/4/2012 | +0.10 / +2.38% | 4.10 | 4.30 | 4.10 | 4.30 | 4.27 | 4.30 | 2,138,505 |   |  			
            | 12/3/2012 | 0.00 / 0.00% | 4.10 | 4.20 | 4.10 | 4.20 | 4.10 | 4.20 | 1,204,557 |   |  
            | 11/30/2012 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.20 | 4.14 | 4.20 | 1,250,640 |   |  			
            | 11/29/2012 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.20 | 4.17 | 4.20 | 493,500 |   |  
            | 11/28/2012 | +0.10 / +2.44% | 4.20 | 4.20 | 4.10 | 4.20 | 4.19 | 4.20 | 446,916 |   |  			
            | 11/27/2012 | 0.00 / 0.00% | 4.10 | 4.30 | 4.10 | 4.10 | 4.17 | 4.10 | 829,100 |   |  
            | 11/26/2012 | -0.10 / -2.38% | 4.20 | 4.20 | 4.10 | 4.10 | 4.10 | 4.10 | 1,100,250 |   |  			
            | 11/23/2012 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.20 | 4.20 | 4.20 | 1,089,241 |   |  
            | 11/22/2012 | 0.00 / 0.00% | 4.20 | 4.30 | 4.20 | 4.20 | 4.25 | 4.20 | 221,610 |   |  			
            | 11/21/2012 | -0.20 / -4.55% | 4.40 | 4.40 | 4.20 | 4.20 | 4.27 | 4.20 | 930,185 |   |  
            | 11/20/2012 | +0.20 / +4.76% | 4.20 | 4.40 | 4.10 | 4.40 | 4.26 | 4.40 | 1,318,525 |   |  			
            | 11/19/2012 | -0.10 / -2.33% | 4.30 | 4.30 | 4.10 | 4.20 | 4.21 | 4.20 | 890,400 |   |  
            | 11/16/2012 | +0.10 / +2.38% | 4.20 | 4.30 | 4.10 | 4.30 | 4.22 | 4.30 | 1,028,600 |   |  			
            | 11/15/2012 | -0.10 / -2.33% | 4.30 | 4.40 | 4.20 | 4.20 | 4.23 | 4.20 | 1,551,424 |   |  
            | 11/14/2012 | 0.00 / 0.00% | 4.40 | 4.40 | 4.20 | 4.30 | 4.33 | 4.30 | 988,228 |   |  			
            | 11/13/2012 | -0.20 / -4.44% | 4.50 | 4.50 | 4.30 | 4.30 | 4.40 | 4.30 | 2,296,922 |   |  
            | 11/12/2012 | +0.20 / +4.65% | 4.30 | 4.60 | 4.30 | 4.50 | 4.45 | 4.50 | 3,203,523 |   |  			
            | 11/9/2012 | +0.20 / +4.88% | 4.10 | 4.30 | 4.10 | 4.30 | 4.20 | 4.30 | 1,298,200 |   |  
            | 11/8/2012 | -0.20 / -4.65% | 4.30 | 4.30 | 4.00 | 4.10 | 4.12 | 4.10 | 1,216,365 |   |  			
            | 11/7/2012 | +0.10 / +2.38% | 4.20 | 4.30 | 4.10 | 4.30 | 4.25 | 4.30 | 1,298,892 |   |  
            | 11/6/2012 | +0.20 / +5.00% | 4.10 | 4.20 | 4.00 | 4.20 | 4.12 | 4.20 | 1,492,146 |   |  			
            | 11/5/2012 | 0.00 / 0.00% | 3.90 | 4.10 | 3.90 | 4.00 | 4.00 | 4.00 | 1,391,316 |   |  
            | 11/2/2012 | -0.30 / -6.98% | 4.30 | 4.30 | 4.00 | 4.00 | 4.03 | 4.00 | 7,737,705 |   |  			
            | 11/1/2012 | -0.10 / -2.27% | 4.40 | 4.50 | 4.30 | 4.30 | 4.36 | 4.30 | 880,622 |   |  
            | 10/31/2012 | +0.20 / +4.76% | 4.30 | 4.40 | 4.20 | 4.40 | 4.23 | 4.40 | 1,684,850 |   |  |  |