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                    Closing price on 9/19/2012
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                    | Open | 4.20 |  
                    | High | 4.40 |  
                    | Low | 4.10 |  
                    | Volume | 276,800 |  
                    | Split-adjusted Price | 4.30 |  
                
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 |  PV2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/19/2012 | 0.00 / 0.00% | 4.20 | 4.40 | 4.10 | 4.30 | 4.26 | 4.30 | 276,800 |   |  
            | 9/18/2012 | -0.20 / -4.44% | 4.50 | 4.50 | 4.20 | 4.30 | 4.30 | 4.30 | 682,400 |   |  			
            | 9/17/2012 | -0.20 / -4.26% | 4.60 | 4.70 | 4.50 | 4.50 | 4.58 | 4.50 | 344,400 |   |  
            | 9/14/2012 | +0.20 / +4.44% | 4.50 | 4.80 | 4.50 | 4.70 | 4.68 | 4.70 | 341,700 |   |  			
            | 9/13/2012 | +0.20 / +4.65% | 4.30 | 4.50 | 4.30 | 4.50 | 4.37 | 4.50 | 273,100 |   |  
            | 9/12/2012 | -0.10 / -2.27% | 4.30 | 4.50 | 4.30 | 4.30 | 4.39 | 4.30 | 588,800 |   |  			
            | 9/11/2012 | -0.20 / -4.35% | 4.40 | 4.50 | 4.30 | 4.40 | 4.39 | 4.40 | 431,800 |   |  
            | 9/10/2012 | -0.40 / -8.00% | 4.90 | 4.90 | 4.60 | 4.60 | 4.63 | 4.60 | 480,500 |   |  			
            | 9/7/2012 | +0.10 / +2.04% | 4.90 | 5.00 | 4.60 | 5.00 | 4.77 | 5.00 | 396,700 |   |  
            | 9/6/2012 | -0.30 / -5.77% | 5.00 | 5.10 | 4.90 | 4.90 | 4.91 | 4.90 | 633,000 |   |  			
            | 9/5/2012 | -0.30 / -5.45% | 5.40 | 5.40 | 5.20 | 5.20 | 5.21 | 5.20 | 672,000 |   |  
            | 9/4/2012 | +0.20 / +3.77% | 5.30 | 5.60 | 5.20 | 5.50 | 5.45 | 5.50 | 483,200 |   |  			
            | 8/31/2012 | +0.20 / +3.92% | 5.20 | 5.30 | 5.10 | 5.30 | 5.26 | 5.30 | 769,100 |   |  
            | 8/30/2012 | +0.30 / +6.25% | 4.90 | 5.10 | 4.70 | 5.10 | 4.91 | 5.10 | 840,900 |   |  			
            | 8/29/2012 | +0.30 / +6.67% | 4.30 | 4.80 | 4.30 | 4.80 | 4.72 | 4.80 | 340,200 |   |  
            | 8/28/2012 | -0.10 / -2.17% | 4.60 | 4.60 | 4.40 | 4.50 | 4.44 | 4.50 | 319,300 |   |  			
            | 8/27/2012 | -0.30 / -6.12% | 4.60 | 4.80 | 4.60 | 4.60 | 4.60 | 4.60 | 198,500 |   |  
            | 8/24/2012 | 0.00 / 0.00% | 4.60 | 5.10 | 4.60 | 4.90 | 4.81 | 4.90 | 929,000 |   |  			
            | 8/23/2012 | -0.30 / -5.77% | 4.90 | 5.10 | 4.90 | 4.90 | 4.92 | 4.90 | 150,700 |   |  
            | 8/22/2012 | -0.30 / -5.45% | 5.30 | 5.40 | 5.20 | 5.20 | 5.27 | 5.20 | 718,900 |   |  			
            | 8/21/2012 | -0.40 / -6.78% | 5.80 | 5.80 | 5.50 | 5.50 | 5.55 | 5.50 | 497,400 |   |  
            | 8/20/2012 | 0.00 / 0.00% | 5.90 | 6.00 | 5.80 | 5.90 | 5.92 | 5.90 | 143,000 |   |  			
            | 8/17/2012 | +0.10 / +1.72% | 5.80 | 6.00 | 5.70 | 5.90 | 5.81 | 5.90 | 82,600 |   |  
            | 8/16/2012 | 0.00 / 0.00% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 154,000 |   |  			
            | 8/15/2012 | -0.10 / -1.69% | 5.60 | 6.00 | 5.50 | 5.80 | 5.83 | 5.80 | 165,900 |   |  
            | 8/14/2012 | 0.00 / 0.00% | 5.80 | 6.00 | 5.80 | 5.90 | 5.90 | 5.90 | 111,300 |   |  			
            | 8/13/2012 | -0.10 / -1.67% | 5.90 | 6.00 | 5.80 | 5.90 | 5.88 | 5.90 | 109,500 |   |  
            | 8/10/2012 | -0.10 / -1.64% | 6.10 | 6.10 | 5.90 | 6.00 | 6.00 | 6.00 | 93,200 |   |  			
            | 8/9/2012 | 0.00 / 0.00% | 6.10 | 6.20 | 6.10 | 6.10 | 6.15 | 6.10 | 536,900 |   |  
            | 8/8/2012 | +0.10 / +1.67% | 6.00 | 6.10 | 5.90 | 6.10 | 6.04 | 6.10 | 289,500 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 12:25:00 PM
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