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                    Closing price on 7/17/2013
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                    | Open | 5.10 |  
                    | High | 5.10 |  
                    | Low | 5.00 |  
                    | Volume | 1,146,058 |  
                    | Split-adjusted Price | 5.00 |  
                
             | 
 |  PVX Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/17/2013 | 0.00 / 0.00% | 5.10 | 5.10 | 5.00 | 5.00 | 5.06 | 5.00 | 1,146,058 |   |  
            | 7/16/2013 | -0.10 / -1.96% | 5.10 | 5.10 | 5.00 | 5.00 | 5.08 | 5.00 | 1,269,303 |   |  			
            | 7/15/2013 | 0.00 / 0.00% | 5.20 | 5.30 | 5.00 | 5.10 | 5.13 | 5.10 | 2,570,105 |   |  
            | 7/12/2013 | +0.20 / +4.08% | 5.00 | 5.10 | 4.90 | 5.10 | 5.04 | 5.10 | 1,828,645 |   |  			
            | 7/11/2013 | 0.00 / 0.00% | 4.90 | 5.00 | 4.80 | 4.90 | 4.90 | 4.90 | 1,126,445 |   |  
            | 7/10/2013 | -0.10 / -2.00% | 5.00 | 5.10 | 4.80 | 4.90 | 4.99 | 4.90 | 2,784,850 |   |  			
            | 7/9/2013 | 0.00 / 0.00% | 5.00 | 5.00 | 4.90 | 5.00 | 5.00 | 5.00 | 697,100 |   |  
            | 7/8/2013 | 0.00 / 0.00% | 5.00 | 5.10 | 5.00 | 5.00 | 5.00 | 5.00 | 865,390 |   |  			
            | 7/5/2013 | 0.00 / 0.00% | 5.00 | 5.20 | 5.00 | 5.00 | 5.05 | 5.00 | 2,524,016 |   |  
            | 7/4/2013 | 0.00 / 0.00% | 5.00 | 5.10 | 5.00 | 5.00 | 5.02 | 5.00 | 1,478,900 |   |  			
            | 7/3/2013 | -0.20 / -3.85% | 5.20 | 5.20 | 5.00 | 5.00 | 5.05 | 5.00 | 1,868,400 |   |  
            | 7/2/2013 | +0.10 / +1.96% | 5.10 | 5.20 | 5.00 | 5.20 | 5.12 | 5.20 | 1,405,438 |   |  			
            | 7/1/2013 | +0.10 / +2.00% | 5.10 | 5.10 | 4.90 | 5.10 | 5.00 | 5.10 | 1,587,399 |   |  
            | 6/28/2013 | -0.10 / -1.96% | 5.10 | 5.20 | 5.00 | 5.00 | 5.10 | 5.00 | 1,852,400 |   |  			
            | 6/27/2013 | 0.00 / 0.00% | 5.10 | 5.20 | 5.00 | 5.10 | 5.17 | 5.10 | 1,979,200 |   |  
            | 6/26/2013 | +0.10 / +2.00% | 5.10 | 5.20 | 4.90 | 5.10 | 5.06 | 5.10 | 3,346,250 |   |  			
            | 6/25/2013 | -0.20 / -3.85% | 5.20 | 5.30 | 4.90 | 5.00 | 5.07 | 5.00 | 6,505,273 |   |  
            | 6/24/2013 | -0.30 / -5.45% | 5.50 | 5.60 | 5.20 | 5.20 | 5.29 | 5.20 | 4,211,970 |   |  			
            | 6/21/2013 | -0.10 / -1.79% | 5.60 | 5.70 | 5.40 | 5.50 | 5.62 | 5.50 | 11,064,707 |   |  
            | 6/20/2013 | -0.10 / -1.75% | 5.70 | 5.70 | 5.50 | 5.60 | 5.62 | 5.60 | 3,124,865 |   |  			
            | 6/19/2013 | -0.10 / -1.72% | 5.80 | 5.90 | 5.60 | 5.70 | 5.71 | 5.70 | 3,168,275 |   |  
            | 6/18/2013 | +0.20 / +3.57% | 5.60 | 5.80 | 5.50 | 5.80 | 5.67 | 5.80 | 4,818,605 |   |  			
            | 6/17/2013 | 0.00 / 0.00% | 5.80 | 5.90 | 5.60 | 5.60 | 5.70 | 5.60 | 6,518,612 |   |  
            | 6/14/2013 | -0.10 / -1.75% | 5.70 | 5.80 | 5.50 | 5.60 | 5.64 | 5.60 | 2,820,991 |   |  			
            | 6/13/2013 | +0.10 / +1.79% | 5.70 | 5.70 | 5.60 | 5.70 | 5.62 | 5.70 | 3,353,208 |   |  
            | 6/12/2013 | 0.00 / 0.00% | 5.60 | 5.80 | 5.60 | 5.60 | 5.69 | 5.60 | 4,036,658 |   |  			
            | 6/11/2013 | -0.10 / -1.75% | 5.70 | 5.80 | 5.50 | 5.60 | 5.66 | 5.60 | 3,461,551 |   |  
            | 6/10/2013 | -0.10 / -1.72% | 5.80 | 6.00 | 5.60 | 5.70 | 5.78 | 5.70 | 5,530,091 |   |  			
            | 6/7/2013 | +0.10 / +1.75% | 5.70 | 5.90 | 5.70 | 5.80 | 5.74 | 5.80 | 5,434,844 |   |  
            | 6/6/2013 | +0.10 / +1.79% | 5.60 | 5.70 | 5.50 | 5.70 | 5.59 | 5.70 | 4,440,659 |   |  |  |