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            | 
                    Closing price on 7/14/2011
                 |  |  
    
        |           
                
                    | Open | 5.50 |  
                    | High | 5.60 |  
                    | Low | 5.40 |  
                    | Volume | 788,000 |  
                    | Split-adjusted Price | 5.40 |  
                
             | 
 |  PVL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/14/2011 | -0.30 / -5.26% | 5.50 | 5.60 | 5.40 | 5.40 | 5.41 | 5.40 | 788,000 |   |  
            | 7/13/2011 | -0.40 / -6.56% | 6.20 | 6.20 | 5.70 | 5.70 | 5.74 | 5.70 | 650,300 |   |  			
            | 7/12/2011 | +0.30 / +5.17% | 5.90 | 6.30 | 5.70 | 6.10 | 6.11 | 6.10 | 587,300 |   |  
            | 7/11/2011 | +0.10 / +1.75% | 5.80 | 6.00 | 5.70 | 5.80 | 5.87 | 5.80 | 501,700 |   |  			
            | 7/8/2011 | -0.40 / -6.56% | 6.10 | 6.10 | 5.70 | 5.70 | 5.71 | 5.70 | 1,339,700 |   |  
            | 7/7/2011 | -0.40 / -6.15% | 6.30 | 6.40 | 6.10 | 6.10 | 6.12 | 6.10 | 710,400 |   |  			
            | 7/6/2011 | -0.20 / -2.99% | 6.60 | 6.80 | 6.30 | 6.50 | 6.45 | 6.50 | 223,200 |   |  
            | 7/5/2011 | +0.20 / +3.08% | 6.50 | 6.80 | 6.40 | 6.70 | 6.64 | 6.70 | 693,900 |   |  			
            | 7/4/2011 | +0.10 / +1.56% | 6.00 | 6.60 | 6.00 | 6.50 | 6.38 | 6.50 | 188,900 |   |  
            | 7/1/2011 | -0.20 / -3.03% | 6.50 | 6.90 | 6.20 | 6.40 | 6.37 | 6.40 | 963,800 |   |  			
            | 6/30/2011 | -0.30 / -4.35% | 6.80 | 6.90 | 6.50 | 6.60 | 6.60 | 6.60 | 1,027,200 |   |  
            | 6/29/2011 | 0.00 / 0.00% | 7.00 | 7.10 | 6.70 | 6.90 | 6.88 | 6.90 | 309,100 |   |  			
            | 6/28/2011 | 0.00 / 0.00% | 7.00 | 7.20 | 6.80 | 6.90 | 7.04 | 6.90 | 402,100 |   |  
            | 6/27/2011 | -0.20 / -2.82% | 7.30 | 7.30 | 6.90 | 6.90 | 6.99 | 6.90 | 233,400 |   |  			
            | 6/24/2011 | +0.30 / +4.41% | 6.80 | 7.10 | 6.60 | 7.10 | 7.00 | 7.10 | 387,300 |   |  
            | 6/23/2011 | -0.30 / -4.23% | 7.20 | 7.20 | 6.70 | 6.80 | 6.81 | 6.80 | 454,800 |   |  			
            | 6/22/2011 | -0.60 / -7.79% | 7.20 | 7.90 | 7.10 | 7.10 | 7.22 | 7.10 | 2,112,500 |   |  
            | 6/21/2011 | +0.50 / +6.94% | 7.20 | 7.80 | 7.10 | 7.70 | 7.59 | 7.70 | 1,194,300 |   |  			
            | 6/20/2011 | -0.50 / -6.49% | 7.20 | 7.70 | 7.20 | 7.20 | 7.26 | 7.20 | 706,200 |   |  
            | 6/17/2011 | -0.50 / -6.10% | 8.00 | 8.00 | 7.70 | 7.70 | 7.74 | 7.70 | 954,100 |   |  			
            | 6/16/2011 | +0.20 / +2.50% | 7.70 | 8.50 | 7.70 | 8.20 | 8.22 | 8.20 | 893,200 |   |  
            | 6/15/2011 | -0.30 / -3.61% | 8.40 | 8.40 | 8.00 | 8.00 | 8.02 | 8.00 | 1,019,000 |   |  			
            | 6/14/2011 | +0.10 / +1.22% | 8.60 | 8.60 | 8.00 | 8.30 | 8.50 | 8.30 | 2,443,000 |   |  
            | 6/13/2011 | +0.50 / +6.49% | 8.20 | 8.20 | 7.80 | 8.20 | 8.15 | 8.20 | 1,347,800 |   |  			
            | 6/10/2011 | +0.30 / +4.05% | 7.50 | 7.70 | 7.50 | 7.70 | 7.69 | 7.70 | 1,444,800 |   |  
            | 6/9/2011 | +0.30 / +4.23% | 6.70 | 7.40 | 6.70 | 7.40 | 7.16 | 7.40 | 829,100 |   |  			
            | 6/8/2011 | -0.60 / -7.79% | 7.10 | 7.90 | 7.10 | 7.10 | 7.14 | 7.10 | 1,574,500 |   |  
            | 6/7/2011 | +0.40 / +5.48% | 7.30 | 7.70 | 6.90 | 7.70 | 7.62 | 7.70 | 1,158,900 |   |  			
            | 6/6/2011 | 0.00 / 0.00% | 7.70 | 7.70 | 7.20 | 7.30 | 7.24 | 7.30 | 404,800 |   |  
            | 6/3/2011 | -0.10 / -1.35% | 7.70 | 7.80 | 7.20 | 7.30 | 7.66 | 7.30 | 692,700 |   |  |