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                    Closing price on 12/19/2012
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        |           
                
                    | Open | 3.80 |  
                    | High | 4.00 |  
                    | Low | 3.80 |  
                    | Volume | 677,900 |  
                    | Split-adjusted Price | 4.00 |  
                
             | 
 |  PV2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/19/2012 | +0.20 / +5.26% | 3.80 | 4.00 | 3.80 | 4.00 | 3.97 | 4.00 | 677,900 |   |  
            | 12/18/2012 | -0.10 / -2.56% | 4.00 | 4.10 | 3.80 | 3.80 | 3.87 | 3.80 | 417,800 |   |  			
            | 12/17/2012 | +0.10 / +2.63% | 3.80 | 4.00 | 3.70 | 3.90 | 3.85 | 3.90 | 438,400 |   |  
            | 12/14/2012 | -0.10 / -2.56% | 3.90 | 3.90 | 3.70 | 3.80 | 3.82 | 3.80 | 506,700 |   |  			
            | 12/13/2012 | -0.10 / -2.50% | 4.00 | 4.10 | 3.80 | 3.90 | 3.96 | 3.90 | 403,600 |   |  
            | 12/12/2012 | +0.10 / +2.56% | 3.90 | 4.10 | 3.80 | 4.00 | 3.94 | 4.00 | 536,800 |   |  			
            | 12/11/2012 | 0.00 / 0.00% | 4.00 | 4.10 | 3.80 | 3.90 | 3.96 | 3.90 | 486,600 |   |  
            | 12/10/2012 | +0.10 / +2.63% | 3.80 | 3.90 | 3.80 | 3.90 | 3.86 | 3.90 | 768,700 |   |  			
            | 12/7/2012 | +0.20 / +5.56% | 3.60 | 3.80 | 3.60 | 3.80 | 3.78 | 3.80 | 746,300 |   |  
            | 12/6/2012 | 0.00 / 0.00% | 3.60 | 3.70 | 3.50 | 3.60 | 3.60 | 3.60 | 154,700 |   |  			
            | 12/5/2012 | +0.10 / +2.86% | 3.60 | 3.70 | 3.50 | 3.60 | 3.63 | 3.60 | 619,300 |   |  
            | 12/4/2012 | +0.10 / +2.94% | 3.40 | 3.60 | 3.30 | 3.50 | 3.42 | 3.50 | 161,800 |   |  			
            | 12/3/2012 | 0.00 / 0.00% | 3.20 | 3.40 | 3.20 | 3.40 | 3.30 | 3.40 | 134,100 |   |  
            | 11/30/2012 | -0.10 / -2.86% | 3.50 | 3.50 | 3.30 | 3.40 | 3.40 | 3.40 | 49,900 |   |  			
            | 11/29/2012 | 0.00 / 0.00% | 3.60 | 3.60 | 3.40 | 3.50 | 3.44 | 3.50 | 263,000 |   |  
            | 11/28/2012 | 0.00 / 0.00% | 3.50 | 3.50 | 3.40 | 3.50 | 3.50 | 3.50 | 89,100 |   |  			
            | 11/27/2012 | -0.10 / -2.78% | 3.60 | 3.60 | 3.40 | 3.50 | 3.50 | 3.50 | 209,000 |   |  
            | 11/26/2012 | -0.10 / -2.70% | 3.70 | 3.70 | 3.50 | 3.60 | 3.60 | 3.60 | 260,500 |   |  			
            | 11/23/2012 | -0.20 / -5.13% | 3.80 | 3.90 | 3.70 | 3.70 | 3.80 | 3.70 | 41,300 |   |  
            | 11/22/2012 | +0.20 / +5.41% | 3.80 | 3.90 | 3.70 | 3.90 | 3.74 | 3.90 | 102,500 |   |  			
            | 11/21/2012 | -0.20 / -5.13% | 3.90 | 3.90 | 3.70 | 3.70 | 3.76 | 3.70 | 328,600 |   |  
            | 11/20/2012 | +0.10 / +2.63% | 3.90 | 3.90 | 3.80 | 3.90 | 3.90 | 3.90 | 125,200 |   |  			
            | 11/19/2012 | -0.20 / -5.00% | 3.90 | 4.00 | 3.80 | 3.80 | 3.83 | 3.80 | 94,400 |   |  
            | 11/16/2012 | +0.10 / +2.56% | 3.90 | 4.00 | 3.80 | 4.00 | 3.90 | 4.00 | 59,400 |   |  			
            | 11/15/2012 | -0.10 / -2.50% | 4.10 | 4.10 | 3.90 | 3.90 | 3.90 | 3.90 | 148,600 |   |  
            | 11/14/2012 | 0.00 / 0.00% | 4.00 | 4.10 | 3.90 | 4.00 | 3.99 | 4.00 | 98,200 |   |  			
            | 11/13/2012 | -0.10 / -2.44% | 4.10 | 4.10 | 4.00 | 4.00 | 4.01 | 4.00 | 244,500 |   |  
            | 11/12/2012 | 0.00 / 0.00% | 4.10 | 4.20 | 4.00 | 4.10 | 4.12 | 4.10 | 185,200 |   |  			
            | 11/9/2012 | +0.10 / +2.50% | 3.90 | 4.10 | 3.90 | 4.10 | 4.01 | 4.10 | 53,600 |   |  
            | 11/8/2012 | 0.00 / 0.00% | 4.00 | 4.00 | 3.80 | 4.00 | 3.92 | 4.00 | 77,400 |   |  |