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            | 
                    Closing price on 4/1/2013
                 |  |  
    
        |           
                
                    | Open | 7.90 |  
                    | High | 8.30 |  
                    | Low | 7.80 |  
                    | Volume | 156,700 |  
                    | Split-adjusted Price | 5.66 |  
                
             | 
 |  PVG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/1/2013 | +0.30 / +3.85% | 7.90 | 8.30 | 7.80 | 8.10 | 8.00 | 5.66 | 156,700 |   |  
            | 3/29/2013 | +0.10 / +1.30% | 7.60 | 7.80 | 7.50 | 7.80 | 7.59 | 5.45 | 160,200 |   |  			
            | 3/28/2013 | 0.00 / 0.00% | 7.80 | 7.90 | 7.70 | 7.70 | 7.79 | 5.38 | 74,000 |   |  
            | 3/27/2013 | -0.20 / -2.53% | 7.90 | 7.90 | 7.70 | 7.70 | 7.79 | 5.38 | 120,400 |   |  			
            | 3/26/2013 | -0.20 / -2.47% | 8.10 | 8.10 | 7.90 | 7.90 | 7.94 | 5.52 | 51,200 |   |  
            | 3/25/2013 | 0.00 / 0.00% | 8.20 | 8.30 | 8.00 | 8.10 | 8.05 | 5.66 | 138,200 |   |  			
            | 3/22/2013 | -0.10 / -1.22% | 8.20 | 8.20 | 8.00 | 8.10 | 8.05 | 5.66 | 87,100 |   |  
            | 3/21/2013 | 0.00 / 0.00% | 8.20 | 8.30 | 8.10 | 8.20 | 8.21 | 5.73 | 129,700 |   |  			
            | 3/20/2013 | -0.70 / -7.87% | 8.30 | 8.40 | 8.20 | 8.20 | 8.26 | 5.73 | 289,900 |   |  
            | 3/19/2013 | 0.00 / 0.00% | 8.70 | 8.90 | 8.60 | 8.90 | 8.75 | 5.66 | 112,300 |   |  			
            | 3/18/2013 | -0.10 / -1.11% | 8.90 | 8.90 | 8.70 | 8.90 | 8.82 | 5.66 | 142,400 |   |  
            | 3/15/2013 | 0.00 / 0.00% | 8.80 | 9.00 | 8.80 | 9.00 | 8.83 | 5.72 | 297,100 |   |  			
            | 3/14/2013 | 0.00 / 0.00% | 8.90 | 9.00 | 8.80 | 9.00 | 8.93 | 5.72 | 58,900 |   |  
            | 3/13/2013 | -0.20 / -2.17% | 9.30 | 9.30 | 8.90 | 9.00 | 8.95 | 5.72 | 264,300 |   |  			
            | 3/12/2013 | +0.60 / +6.98% | 8.60 | 9.30 | 8.50 | 9.20 | 8.92 | 5.85 | 722,600 |   |  
            | 3/11/2013 | +0.30 / +3.61% | 8.60 | 8.60 | 8.30 | 8.60 | 8.54 | 5.47 | 168,600 |   |  			
            | 3/8/2013 | 0.00 / 0.00% | 8.30 | 8.40 | 8.30 | 8.30 | 8.36 | 5.28 | 177,100 |   |  
            | 3/7/2013 | -0.10 / -1.19% | 8.40 | 8.40 | 8.30 | 8.30 | 8.33 | 5.28 | 81,400 |   |  			
            | 3/6/2013 | +0.20 / +2.44% | 8.30 | 8.40 | 8.20 | 8.40 | 8.31 | 5.34 | 90,000 |   |  
            | 3/5/2013 | -0.10 / -1.20% | 8.30 | 8.30 | 8.10 | 8.20 | 8.23 | 5.21 | 143,500 |   |  			
            | 3/4/2013 | -0.50 / -5.68% | 8.70 | 8.70 | 8.20 | 8.30 | 8.38 | 5.28 | 201,600 |   |  
            | 3/1/2013 | +0.20 / +2.33% | 8.70 | 8.80 | 8.60 | 8.80 | 8.67 | 5.60 | 245,800 |   |  			
            | 2/28/2013 | 0.00 / 0.00% | 8.70 | 8.80 | 8.60 | 8.60 | 8.69 | 5.47 | 306,900 |   |  
            | 2/27/2013 | +0.20 / +2.38% | 8.50 | 8.60 | 8.30 | 8.60 | 8.50 | 5.47 | 208,500 |   |  			
            | 2/26/2013 | -0.70 / -7.69% | 9.00 | 9.00 | 8.20 | 8.40 | 8.46 | 5.34 | 370,500 |   |  
            | 2/25/2013 | +0.10 / +1.11% | 9.00 | 9.10 | 8.90 | 9.10 | 8.98 | 5.79 | 114,100 |   |  			
            | 2/22/2013 | +0.20 / +2.27% | 8.80 | 9.20 | 8.60 | 9.00 | 8.96 | 5.72 | 314,900 |   |  
            | 2/21/2013 | -0.80 / -8.33% | 9.60 | 9.60 | 8.70 | 8.80 | 9.14 | 5.60 | 735,900 |   |  			
            | 2/20/2013 | +0.20 / +2.13% | 9.30 | 9.60 | 9.20 | 9.60 | 9.34 | 6.10 | 343,200 |   |  
            | 2/19/2013 | -0.20 / -2.08% | 9.60 | 9.60 | 9.30 | 9.40 | 9.48 | 5.98 | 306,000 |   |  |