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                    Closing price on 1/31/2013
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                    | Open | 7.00 |  
                    | High | 7.10 |  
                    | Low | 6.60 |  
                    | Volume | 8,693,360 |  
                    | Split-adjusted Price | 6.70 |  
                
             | 
 |  PVX Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/31/2013 | -0.30 / -4.29% | 7.00 | 7.10 | 6.60 | 6.70 | 6.87 | 6.70 | 8,693,360 |   |  
            | 1/30/2013 | +0.20 / +2.94% | 6.80 | 7.30 | 6.70 | 7.00 | 7.00 | 7.00 | 13,872,314 |   |  			
            | 1/29/2013 | 0.00 / 0.00% | 6.90 | 7.00 | 6.60 | 6.80 | 6.79 | 6.80 | 6,924,518 |   |  
            | 1/28/2013 | +0.40 / +6.25% | 6.40 | 7.00 | 6.30 | 6.80 | 6.72 | 6.80 | 13,656,410 |   |  			
            | 1/25/2013 | -0.20 / -3.03% | 6.60 | 6.70 | 6.30 | 6.40 | 6.53 | 6.40 | 9,180,477 |   |  
            | 1/24/2013 | +0.40 / +6.45% | 6.10 | 6.60 | 6.00 | 6.60 | 6.32 | 6.60 | 5,804,988 |   |  			
            | 1/23/2013 | +0.10 / +1.64% | 6.20 | 6.30 | 5.80 | 6.20 | 6.07 | 6.20 | 6,839,582 |   |  
            | 1/22/2013 | -0.40 / -6.15% | 6.50 | 6.60 | 6.00 | 6.10 | 6.28 | 6.10 | 10,709,918 |   |  			
            | 1/21/2013 | -0.10 / -1.52% | 6.60 | 6.80 | 6.40 | 6.50 | 6.60 | 6.50 | 3,953,385 |   |  
            | 1/18/2013 | +0.20 / +3.13% | 6.30 | 6.80 | 6.20 | 6.60 | 6.47 | 6.60 | 9,091,945 |   |  			
            | 1/17/2013 | -0.40 / -5.88% | 6.70 | 6.90 | 6.30 | 6.40 | 6.61 | 6.40 | 17,301,040 |   |  
            | 1/16/2013 | -0.20 / -2.86% | 7.10 | 7.30 | 6.60 | 6.80 | 6.98 | 6.80 | 11,423,829 |   |  			
            | 1/15/2013 | +0.60 / +9.38% | 6.70 | 7.00 | 6.60 | 7.00 | 6.87 | 7.00 | 13,435,125 |   |  
            | 1/14/2013 | +0.40 / +6.67% | 6.40 | 6.40 | 6.00 | 6.40 | 6.31 | 6.40 | 16,314,898 |   |  			
            | 1/11/2013 | +0.30 / +5.26% | 5.70 | 6.00 | 5.60 | 6.00 | 5.99 | 6.00 | 12,564,968 |   |  
            | 1/10/2013 | 0.00 / 0.00% | 5.70 | 5.80 | 5.40 | 5.70 | 5.58 | 5.70 | 10,647,744 |   |  			
            | 1/9/2013 | -0.40 / -6.56% | 6.20 | 6.30 | 5.70 | 5.70 | 5.92 | 5.70 | 16,167,206 |   |  
            | 1/8/2013 | +0.30 / +5.17% | 5.80 | 6.20 | 5.70 | 6.10 | 5.95 | 6.10 | 9,064,885 |   |  			
            | 1/7/2013 | -0.20 / -3.33% | 6.20 | 6.40 | 5.80 | 5.80 | 6.12 | 5.80 | 9,381,940 |   |  
            | 1/4/2013 | +0.30 / +5.26% | 5.70 | 6.00 | 5.60 | 6.00 | 5.88 | 6.00 | 9,916,824 |   |  			
            | 1/3/2013 | -0.10 / -1.72% | 6.00 | 6.10 | 5.50 | 5.70 | 5.81 | 5.70 | 15,369,050 |   |  
            | 1/2/2013 | +0.20 / +3.57% | 5.60 | 5.80 | 5.50 | 5.80 | 5.79 | 5.80 | 7,414,442 |   |  			
            | 12/28/2012 | +0.30 / +5.66% | 5.30 | 5.60 | 5.20 | 5.60 | 5.37 | 5.60 | 6,355,900 |   |  
            | 12/27/2012 | +0.20 / +3.92% | 5.20 | 5.40 | 5.10 | 5.30 | 5.29 | 5.30 | 11,192,850 |   |  			
            | 12/26/2012 | +0.10 / +2.00% | 5.00 | 5.20 | 4.80 | 5.10 | 5.00 | 5.10 | 7,928,246 |   |  
            | 12/25/2012 | 0.00 / 0.00% | 4.90 | 5.10 | 4.90 | 5.00 | 4.98 | 5.00 | 7,591,446 |   |  			
            | 12/24/2012 | +0.20 / +4.17% | 4.80 | 5.00 | 4.80 | 5.00 | 4.83 | 5.00 | 6,304,975 |   |  
            | 12/21/2012 | 0.00 / 0.00% | 4.70 | 4.90 | 4.60 | 4.80 | 4.75 | 4.80 | 7,755,000 |   |  			
            | 12/20/2012 | +0.20 / +4.35% | 4.70 | 4.90 | 4.60 | 4.80 | 4.80 | 4.80 | 16,568,040 |   |  
            | 12/19/2012 | +0.20 / +4.55% | 4.40 | 4.70 | 4.40 | 4.60 | 4.52 | 4.60 | 7,176,425 |   |  |  |