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            | 
                    Closing price on 2/18/2013
                 |  |  
    
        |           
                
                    | Open | 9.30 |  
                    | High | 9.70 |  
                    | Low | 9.30 |  
                    | Volume | 350,500 |  
                    | Split-adjusted Price | 6.10 |  
                
             | 
 |  PVG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 1/18/2013 | -0.20 / -2.17% | 9.30 | 9.30 | 8.90 | 9.00 | 9.03 | 5.72 | 261,600 |   |  
            | 1/17/2013 | -0.30 / -3.16% | 9.60 | 9.80 | 9.20 | 9.20 | 9.45 | 5.85 | 262,300 |   |  			
            | 1/16/2013 | +0.50 / +5.56% | 9.10 | 9.70 | 9.10 | 9.50 | 9.51 | 6.04 | 1,505,200 |   |  
            | 1/15/2013 | +0.30 / +3.45% | 8.70 | 9.00 | 8.70 | 9.00 | 8.91 | 5.72 | 464,400 |   |  			
            | 1/14/2013 | 0.00 / 0.00% | 8.70 | 8.80 | 8.30 | 8.70 | 8.62 | 5.53 | 232,100 |   |  
            | 1/11/2013 | +0.10 / +1.16% | 8.50 | 9.10 | 8.50 | 8.70 | 8.84 | 5.53 | 373,200 |   |  			
            | 1/10/2013 | 0.00 / 0.00% | 8.40 | 8.70 | 8.20 | 8.60 | 8.49 | 5.47 | 249,000 |   |  
            | 1/9/2013 | -0.30 / -3.37% | 9.00 | 9.20 | 8.40 | 8.60 | 8.88 | 5.47 | 494,000 |   |  			
            | 1/8/2013 | +0.10 / +1.14% | 8.80 | 9.10 | 8.80 | 8.90 | 8.93 | 5.66 | 373,500 |   |  
            | 1/7/2013 | +0.10 / +1.15% | 8.80 | 9.30 | 8.80 | 8.80 | 9.06 | 5.60 | 500,600 |   |  			
            | 1/4/2013 | +0.40 / +4.82% | 8.30 | 8.80 | 8.30 | 8.70 | 8.54 | 5.53 | 363,400 |   |  
            | 1/3/2013 | -0.30 / -3.49% | 8.60 | 8.80 | 8.20 | 8.30 | 8.43 | 5.28 | 354,500 |   |  			
            | 1/2/2013 | +0.50 / +6.17% | 8.00 | 8.60 | 8.00 | 8.60 | 8.51 | 5.47 | 558,100 |   |  
            | 12/28/2012 | 0.00 / 0.00% | 8.10 | 8.20 | 7.90 | 8.10 | 8.05 | 5.15 | 360,600 |   |  |