| 
					
						| 
    
        
            | 
                    Closing price on 2/26/2013
                 |  |  
    
        |           
                
                    | Open | 6.90 |  
                    | High | 7.00 |  
                    | Low | 6.30 |  
                    | Volume | 11,782,484 |  
                    | Split-adjusted Price | 6.30 |  
                
             | 
 |  PVX Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/26/2013 | -0.70 / -10.00% | 6.90 | 7.00 | 6.30 | 6.30 | 6.48 | 6.30 | 11,782,484 |   |  
            | 2/25/2013 | -0.30 / -4.11% | 7.00 | 7.10 | 6.70 | 7.00 | 6.96 | 7.00 | 5,983,146 |   |  			
            | 2/22/2013 | -0.20 / -2.67% | 7.10 | 7.70 | 6.80 | 7.30 | 7.11 | 7.30 | 16,049,923 |   |  
            | 2/21/2013 | -0.80 / -9.64% | 8.50 | 8.50 | 7.50 | 7.50 | 7.84 | 7.50 | 15,030,505 |   |  			
            | 2/20/2013 | +0.50 / +6.41% | 7.80 | 8.40 | 7.60 | 8.30 | 7.97 | 8.30 | 8,523,391 |   |  
            | 2/19/2013 | +0.10 / +1.30% | 7.60 | 8.10 | 7.50 | 7.80 | 7.85 | 7.80 | 10,146,074 |   |  			
            | 2/18/2013 | -0.10 / -1.28% | 7.70 | 7.90 | 7.50 | 7.70 | 7.70 | 7.70 | 6,355,460 |   |  
            | 2/8/2013 | -0.10 / -1.27% | 7.90 | 8.00 | 7.70 | 7.80 | 7.85 | 7.80 | 4,906,800 |   |  			
            | 2/7/2013 | +0.60 / +8.22% | 7.30 | 7.90 | 7.30 | 7.90 | 7.69 | 7.90 | 8,909,605 |   |  
            | 2/6/2013 | +0.40 / +5.80% | 6.80 | 7.30 | 6.80 | 7.30 | 7.07 | 7.30 | 7,572,555 |   |  			
            | 2/5/2013 | 0.00 / 0.00% | 6.90 | 7.00 | 6.70 | 6.90 | 6.82 | 6.90 | 4,409,860 |   |  
            | 2/4/2013 | 0.00 / 0.00% | 6.90 | 7.10 | 6.80 | 6.90 | 6.94 | 6.90 | 6,873,848 |   |  			
            | 2/1/2013 | +0.20 / +2.99% | 6.70 | 6.90 | 6.50 | 6.90 | 6.72 | 6.90 | 4,282,965 |   |  
            | 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 |   |  |  |