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            | 
                    Closing price on 9/30/2015
                 |  |  
    
        |           
                
                    | Open | 10.30 |  
                    | High | 10.40 |  
                    | Low | 10.10 |  
                    | Volume | 1,012,010 |  
                    | Split-adjusted Price | 4.09 |  
                
             | 
 |  PVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/30/2015 | +0.20 / +1.96% | 10.30 | 10.40 | 10.10 | 10.40 | 10.25 | 4.09 | 1,012,010 |   |  
            | 9/29/2015 | -0.10 / -0.97% | 10.20 | 10.30 | 10.10 | 10.20 | 10.19 | 4.01 | 613,450 |   |  			
            | 9/28/2015 | -0.10 / -0.96% | 10.50 | 10.50 | 10.30 | 10.30 | 10.34 | 4.05 | 281,110 |   |  
            | 9/25/2015 | -0.10 / -0.95% | 10.50 | 10.60 | 10.40 | 10.40 | 10.48 | 4.09 | 200,440 |   |  			
            | 9/24/2015 | -0.10 / -0.94% | 10.60 | 10.70 | 10.50 | 10.50 | 10.58 | 4.13 | 234,400 |   |  
            | 9/23/2015 | 0.00 / 0.00% | 10.60 | 10.60 | 10.40 | 10.60 | 10.53 | 4.17 | 392,250 |   |  			
            | 9/22/2015 | -0.10 / -0.93% | 10.70 | 10.90 | 10.60 | 10.60 | 10.67 | 4.17 | 466,900 |   |  
            | 9/21/2015 | +0.30 / +2.88% | 10.40 | 10.90 | 10.40 | 10.70 | 10.62 | 4.21 | 849,640 |   |  			
            | 9/18/2015 | +0.10 / +0.97% | 10.40 | 10.60 | 10.30 | 10.40 | 10.43 | 4.09 | 970,890 |   |  
            | 9/17/2015 | +0.20 / +1.98% | 10.30 | 10.50 | 10.20 | 10.30 | 10.35 | 4.05 | 335,780 |   |  			
            | 9/16/2015 | 0.00 / 0.00% | 10.10 | 10.40 | 10.10 | 10.10 | 10.24 | 3.97 | 323,020 |   |  
            | 9/15/2015 | -0.10 / -0.98% | 10.20 | 10.30 | 10.10 | 10.10 | 10.19 | 3.97 | 510,060 |   |  			
            | 9/14/2015 | -0.30 / -2.86% | 10.40 | 10.40 | 10.10 | 10.20 | 10.30 | 4.01 | 507,860 |   |  
            | 9/11/2015 | 0.00 / 0.00% | 10.50 | 10.60 | 10.50 | 10.50 | 10.51 | 4.13 | 268,010 |   |  			
            | 9/10/2015 | 0.00 / 0.00% | 10.40 | 10.60 | 10.40 | 10.50 | 10.44 | 4.13 | 261,850 |   |  
            | 9/9/2015 | +0.10 / +0.96% | 10.50 | 10.70 | 10.50 | 10.50 | 10.57 | 4.13 | 332,640 |   |  			
            | 9/8/2015 | +0.20 / +1.96% | 10.20 | 10.60 | 10.10 | 10.40 | 10.40 | 4.09 | 482,600 |   |  
            | 9/7/2015 | -0.10 / -0.97% | 10.30 | 10.40 | 10.20 | 10.20 | 10.31 | 4.01 | 489,010 |   |  			
            | 9/4/2015 | -0.10 / -0.96% | 10.50 | 10.60 | 10.30 | 10.30 | 10.43 | 4.05 | 431,250 |   |  
            | 9/3/2015 | -0.40 / -3.70% | 10.70 | 10.70 | 10.20 | 10.40 | 10.45 | 4.09 | 1,150,290 |   |  			
            | 9/1/2015 | 0.00 / 0.00% | 10.90 | 11.10 | 10.70 | 10.80 | 10.88 | 4.25 | 652,600 |   |  
            | 8/31/2015 | -0.40 / -3.57% | 11.20 | 11.20 | 10.80 | 10.80 | 10.91 | 4.25 | 910,060 |   |  			
            | 8/28/2015 | +0.20 / +1.82% | 11.20 | 11.30 | 10.90 | 11.20 | 11.09 | 4.40 | 1,246,800 |   |  
            | 8/27/2015 | +0.60 / +5.77% | 10.80 | 11.00 | 10.70 | 11.00 | 10.88 | 4.32 | 1,903,110 |   |  			
            | 8/26/2015 | +0.60 / +6.12% | 9.80 | 10.40 | 9.80 | 10.40 | 10.25 | 4.09 | 1,547,910 |   |  
            | 8/25/2015 | -0.30 / -2.97% | 9.40 | 10.20 | 9.40 | 9.80 | 9.78 | 3.85 | 2,177,830 |   |  			
            | 8/24/2015 | -0.70 / -6.48% | 10.60 | 10.60 | 10.10 | 10.10 | 10.14 | 3.97 | 1,291,620 |   |  
            | 8/21/2015 | -0.50 / -4.42% | 11.10 | 11.10 | 10.60 | 10.80 | 10.71 | 4.25 | 1,890,710 |   |  			
            | 8/20/2015 | -0.40 / -3.42% | 11.70 | 11.70 | 11.10 | 11.30 | 11.42 | 4.44 | 606,910 |   |  
            | 8/19/2015 | -0.20 / -1.68% | 11.80 | 11.90 | 11.60 | 11.70 | 11.70 | 4.60 | 641,940 |   |  |