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            | 
                    Closing price on 3/8/2013
                 |  |  
    
        |           
                
                    | Open | 8.30 |  
                    | High | 8.40 |  
                    | Low | 8.30 |  
                    | Volume | 177,100 |  
                    | Split-adjusted Price | 5.28 |  
                
             | 
 |  PVG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 2/18/2013 | +0.30 / +3.23% | 9.30 | 9.70 | 9.30 | 9.60 | 9.51 | 6.10 | 350,500 |   |  
            | 2/8/2013 | -0.10 / -1.06% | 9.30 | 9.50 | 9.30 | 9.30 | 9.38 | 5.91 | 230,300 |   |  			
            | 2/7/2013 | +0.50 / +5.62% | 9.00 | 9.40 | 8.90 | 9.40 | 9.17 | 5.98 | 350,960 |   |  
            | 2/6/2013 | +0.20 / +2.30% | 8.70 | 9.00 | 8.70 | 8.90 | 8.82 | 5.66 | 261,400 |   |  			
            | 2/5/2013 | -0.10 / -1.14% | 8.70 | 8.80 | 8.60 | 8.70 | 8.69 | 5.53 | 164,300 |   |  
            | 2/4/2013 | -0.10 / -1.12% | 9.00 | 9.00 | 8.70 | 8.80 | 8.80 | 5.60 | 107,400 |   |  			
            | 2/1/2013 | +0.10 / +1.14% | 8.70 | 8.90 | 8.70 | 8.90 | 8.80 | 5.66 | 242,800 |   |  
            | 1/31/2013 | -0.20 / -2.22% | 9.10 | 9.20 | 8.80 | 8.80 | 8.98 | 5.60 | 188,800 |   |  			
            | 1/30/2013 | 0.00 / 0.00% | 9.20 | 9.20 | 9.00 | 9.00 | 9.07 | 5.72 | 376,900 |   |  
            | 1/29/2013 | 0.00 / 0.00% | 8.90 | 9.10 | 8.80 | 9.00 | 8.99 | 5.72 | 299,600 |   |  			
            | 1/28/2013 | +0.10 / +1.12% | 9.00 | 9.30 | 8.90 | 9.00 | 9.13 | 5.72 | 443,300 |   |  
            | 1/25/2013 | +0.10 / +1.14% | 8.90 | 9.00 | 8.70 | 8.90 | 8.91 | 5.66 | 337,300 |   |  			
            | 1/24/2013 | +0.20 / +2.33% | 8.50 | 8.80 | 8.40 | 8.80 | 8.60 | 5.60 | 176,000 |   |  
            | 1/23/2013 | +0.10 / +1.18% | 8.80 | 8.80 | 8.40 | 8.60 | 8.52 | 5.47 | 183,600 |   |  			
            | 1/22/2013 | -0.40 / -4.49% | 8.80 | 8.90 | 8.30 | 8.50 | 8.55 | 5.41 | 225,500 |   |  
            | 1/21/2013 | -0.10 / -1.11% | 9.00 | 9.20 | 8.70 | 8.90 | 8.87 | 5.66 | 270,700 |   |  |