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                    Closing price on 9/15/2011
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                    | Open | 6.90 |  
                    | High | 7.70 |  
                    | Low | 6.70 |  
                    | Volume | 3,541,300 |  
                    | Split-adjusted Price | 7.70 |  
                
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 |  PVL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/15/2011 | +0.70 / +10.00% | 6.90 | 7.70 | 6.70 | 7.70 | 7.40 | 7.70 | 3,541,300 |   |  
            | 9/14/2011 | +0.10 / +1.45% | 7.30 | 7.30 | 6.90 | 7.00 | 7.22 | 7.00 | 2,922,200 |   |  			
            | 9/13/2011 | +0.40 / +6.15% | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 146,100 |   |  
            | 9/12/2011 | +0.30 / +4.84% | 6.20 | 6.50 | 6.20 | 6.50 | 6.49 | 6.50 | 1,591,700 |   |  			
            | 9/9/2011 | +0.20 / +3.33% | 5.90 | 6.30 | 5.80 | 6.20 | 6.08 | 6.20 | 1,145,700 |   |  
            | 9/8/2011 | +0.10 / +1.69% | 6.20 | 6.20 | 5.90 | 6.00 | 6.15 | 6.00 | 1,246,200 |   |  			
            | 9/7/2011 | +0.30 / +5.36% | 5.50 | 5.90 | 5.50 | 5.90 | 5.80 | 5.90 | 1,231,000 |   |  
            | 9/6/2011 | -0.30 / -5.08% | 5.80 | 5.90 | 5.60 | 5.60 | 5.64 | 5.60 | 825,200 |   |  			
            | 9/5/2011 | +0.20 / +3.51% | 6.00 | 6.00 | 5.80 | 5.90 | 5.98 | 5.90 | 1,361,000 |   |  
            | 9/1/2011 | +0.20 / +3.64% | 5.60 | 5.70 | 5.40 | 5.70 | 5.66 | 5.70 | 442,700 |   |  			
            | 8/31/2011 | +0.30 / +5.77% | 5.40 | 5.50 | 5.10 | 5.50 | 5.44 | 5.50 | 1,640,900 |   |  
            | 8/30/2011 | +0.30 / +6.12% | 5.10 | 5.20 | 5.10 | 5.20 | 5.19 | 5.20 | 1,366,000 |   |  			
            | 8/29/2011 | +0.30 / +6.52% | 4.60 | 4.90 | 4.60 | 4.90 | 4.85 | 4.90 | 746,600 |   |  
            | 8/26/2011 | 0.00 / 0.00% | 4.60 | 4.70 | 4.50 | 4.60 | 4.61 | 4.60 | 276,100 |   |  			
            | 8/25/2011 | 0.00 / 0.00% | 4.70 | 4.70 | 4.60 | 4.60 | 4.63 | 4.60 | 137,000 |   |  
            | 8/24/2011 | -0.10 / -2.13% | 4.70 | 4.90 | 4.60 | 4.60 | 4.69 | 4.60 | 255,600 |   |  			
            | 8/23/2011 | -0.10 / -2.08% | 4.90 | 4.90 | 4.60 | 4.70 | 4.71 | 4.70 | 403,000 |   |  
            | 8/22/2011 | +0.40 / +9.09% | 4.40 | 4.80 | 4.40 | 4.80 | 4.78 | 4.80 | 598,600 |   |  			
            | 8/19/2011 | -0.20 / -4.35% | 4.50 | 4.60 | 4.40 | 4.40 | 4.48 | 4.40 | 459,000 |   |  
            | 8/18/2011 | +0.20 / +4.55% | 4.50 | 4.70 | 4.50 | 4.60 | 4.68 | 4.60 | 902,800 |   |  			
            | 8/17/2011 | +0.20 / +4.76% | 4.20 | 4.40 | 4.20 | 4.40 | 4.36 | 4.40 | 337,000 |   |  
            | 8/16/2011 | 0.00 / 0.00% | 4.30 | 4.30 | 4.20 | 4.20 | 4.21 | 4.20 | 276,000 |   |  			
            | 8/15/2011 | -0.10 / -2.33% | 4.20 | 4.30 | 4.20 | 4.20 | 4.23 | 4.20 | 177,200 |   |  
            | 8/12/2011 | 0.00 / 0.00% | 4.40 | 4.40 | 4.20 | 4.30 | 4.32 | 4.30 | 257,300 |   |  			
            | 8/11/2011 | -0.10 / -2.27% | 4.40 | 4.40 | 4.10 | 4.30 | 4.25 | 4.30 | 222,100 |   |  
            | 8/10/2011 | +0.10 / +2.33% | 4.50 | 4.50 | 4.30 | 4.40 | 4.44 | 4.40 | 302,500 |   |  			
            | 8/9/2011 | -0.30 / -6.52% | 4.50 | 4.50 | 4.30 | 4.30 | 4.30 | 4.30 | 852,600 |   |  
            | 8/8/2011 | -0.10 / -2.13% | 4.70 | 4.80 | 4.60 | 4.60 | 4.63 | 4.60 | 182,000 |   |  			
            | 8/5/2011 | -0.10 / -2.08% | 5.10 | 5.10 | 4.70 | 4.70 | 4.79 | 4.70 | 268,100 |   |  
            | 8/4/2011 | +0.20 / +4.35% | 4.70 | 4.80 | 4.50 | 4.80 | 4.75 | 4.80 | 542,400 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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