| 
					
						| 
    
        
            | 
                    Closing price on 11/19/2012
                 |  |  
    
        |           
                
                    | Open | 4.30 |  
                    | High | 4.30 |  
                    | Low | 4.10 |  
                    | Volume | 890,400 |  
                    | Split-adjusted Price | 4.20 |  
                
             | 
 |  PVX Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 10/30/2012 | 0.00 / 0.00% | 4.20 | 4.40 | 4.20 | 4.20 | 4.29 | 4.20 | 1,211,300 |   |  
            | 10/29/2012 | -0.10 / -2.33% | 4.10 | 4.50 | 4.10 | 4.20 | 4.30 | 4.20 | 1,291,800 |   |  			
            | 10/26/2012 | 0.00 / 0.00% | 4.30 | 4.50 | 4.20 | 4.30 | 4.34 | 4.30 | 1,156,900 |   |  
            | 10/25/2012 | -0.10 / -2.27% | 4.40 | 4.40 | 4.10 | 4.30 | 4.23 | 4.30 | 2,489,700 |   |  			
            | 10/24/2012 | -0.10 / -2.22% | 4.50 | 4.60 | 4.30 | 4.40 | 4.41 | 4.40 | 1,992,500 |   |  
            | 10/23/2012 | +0.10 / +2.27% | 4.40 | 4.60 | 4.30 | 4.50 | 4.43 | 4.50 | 1,943,769 |   |  			
            | 10/22/2012 | -0.30 / -6.38% | 4.50 | 4.60 | 4.40 | 4.40 | 4.45 | 4.40 | 4,372,310 |   |  
            | 10/19/2012 | -0.40 / -7.84% | 5.00 | 5.00 | 4.70 | 4.70 | 4.77 | 4.70 | 4,173,000 |   |  			
            | 10/18/2012 | +0.30 / +6.25% | 4.70 | 5.10 | 4.70 | 5.10 | 4.96 | 5.10 | 4,512,870 |   |  
            | 10/17/2012 | +0.10 / +2.13% | 4.80 | 5.00 | 4.60 | 4.80 | 4.79 | 4.80 | 4,531,475 |   |  			
            | 10/16/2012 | +0.20 / +4.44% | 4.40 | 4.70 | 4.40 | 4.70 | 4.65 | 4.70 | 3,714,104 |   |  
            | 10/15/2012 | -0.10 / -2.17% | 4.50 | 4.60 | 4.30 | 4.50 | 4.44 | 4.50 | 2,239,200 |   |  			
            | 10/12/2012 | -0.10 / -2.13% | 4.60 | 4.70 | 4.50 | 4.60 | 4.60 | 4.60 | 3,318,562 |   |  
            | 10/11/2012 | 0.00 / 0.00% | 4.70 | 5.00 | 4.60 | 4.70 | 4.79 | 4.70 | 4,329,955 |   |  			
            | 10/10/2012 | +0.10 / +2.17% | 4.70 | 4.80 | 4.50 | 4.70 | 4.65 | 4.70 | 2,722,903 |   |  
            | 10/9/2012 | +0.30 / +6.98% | 4.40 | 4.60 | 4.40 | 4.60 | 4.58 | 4.60 | 5,518,281 |   |  |  |