| 
    
        
            | 
                    Closing price on 10/5/2016
                 |  |  
    
        |           
                
                    | Open | 16.50 |  
                    | High | 16.60 |  
                    | Low | 16.40 |  
                    | Volume | 125,956 |  
                    | Split-adjusted Price | 9.14 |  
                
             | 
 |  PGS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/5/2016 | 0.00 / 0.00% | 16.50 | 16.60 | 16.40 | 16.50 | 16.52 | 9.14 | 125,956 |   |  
            | 10/4/2016 | -0.30 / -1.79% | 16.70 | 16.80 | 16.50 | 16.50 | 16.66 | 9.14 | 174,818 |   |  			
            | 10/3/2016 | -0.10 / -0.59% | 16.80 | 16.80 | 16.60 | 16.80 | 16.72 | 9.30 | 89,200 |   |  
            | 9/30/2016 | -0.10 / -0.59% | 17.00 | 17.00 | 16.80 | 16.90 | 16.87 | 9.36 | 48,958 |   |  			
            | 9/29/2016 | +0.50 / +3.03% | 17.10 | 17.10 | 16.70 | 17.00 | 16.96 | 9.42 | 603,890 |   |  
            | 9/28/2016 | 0.00 / 0.00% | 16.50 | 16.50 | 16.30 | 16.50 | 16.41 | 9.14 | 68,857 |   |  			
            | 9/27/2016 | 0.00 / 0.00% | 16.50 | 16.50 | 16.30 | 16.50 | 16.41 | 9.14 | 37,904 |   |  
            | 9/26/2016 | 0.00 / 0.00% | 16.50 | 16.50 | 16.40 | 16.50 | 16.43 | 9.14 | 49,586 |   |  			
            | 9/23/2016 | 0.00 / 0.00% | 16.50 | 16.60 | 16.40 | 16.50 | 16.50 | 9.14 | 80,104 |   |  
            | 9/22/2016 | 0.00 / 0.00% | 16.70 | 16.70 | 16.40 | 16.50 | 16.52 | 9.14 | 107,218 |   |  			
            | 9/21/2016 | 0.00 / 0.00% | 16.40 | 16.50 | 16.40 | 16.50 | 16.41 | 9.14 | 110,120 |   |  
            | 9/20/2016 | +0.20 / +1.23% | 16.30 | 16.50 | 16.30 | 16.50 | 16.32 | 9.14 | 172,757 |   |  			
            | 9/19/2016 | +0.10 / +0.62% | 16.30 | 16.40 | 16.20 | 16.30 | 16.32 | 9.03 | 90,520 |   |  
            | 9/16/2016 | -0.30 / -1.82% | 16.50 | 16.50 | 16.20 | 16.20 | 16.35 | 8.97 | 219,115 |   |  			
            | 9/15/2016 | -0.10 / -0.60% | 16.60 | 16.60 | 16.50 | 16.50 | 16.50 | 9.14 | 120,210 |   |  
            | 9/14/2016 | -0.10 / -0.60% | 16.70 | 16.70 | 16.50 | 16.60 | 16.59 | 9.19 | 140,988 |   |  			
            | 9/13/2016 | +0.20 / +1.21% | 16.40 | 16.80 | 16.40 | 16.70 | 16.61 | 9.25 | 404,831 |   |  
            | 9/12/2016 | -0.10 / -0.60% | 16.50 | 16.60 | 16.40 | 16.50 | 16.48 | 9.14 | 244,118 |   |  			
            | 9/9/2016 | -0.20 / -1.19% | 16.80 | 17.00 | 16.60 | 16.60 | 16.76 | 9.19 | 132,766 |   |  
            | 9/8/2016 | +0.40 / +2.44% | 16.50 | 16.90 | 16.40 | 16.80 | 16.68 | 9.30 | 354,599 |   |  			
            | 9/7/2016 | +0.10 / +0.61% | 16.30 | 16.40 | 16.20 | 16.40 | 16.30 | 9.08 | 287,758 |   |  
            | 9/6/2016 | +0.10 / +0.62% | 16.20 | 16.30 | 16.00 | 16.30 | 16.19 | 9.03 | 233,644 |   |  			
            | 9/5/2016 | +0.20 / +1.25% | 16.00 | 16.20 | 16.00 | 16.20 | 16.04 | 8.97 | 65,510 |   |  
            | 9/1/2016 | -0.30 / -1.84% | 16.20 | 16.30 | 16.00 | 16.00 | 16.11 | 8.86 | 132,426 |   |  			
            | 8/31/2016 | 0.00 / 0.00% | 16.30 | 16.30 | 16.20 | 16.30 | 16.22 | 9.03 | 78,528 |   |  
            | 8/30/2016 | 0.00 / 0.00% | 16.30 | 16.40 | 16.30 | 16.30 | 16.30 | 9.03 | 78,000 |   |  			
            | 8/29/2016 | -0.20 / -1.21% | 16.50 | 16.60 | 16.30 | 16.30 | 16.46 | 9.03 | 123,867 |   |  
            | 8/26/2016 | +0.10 / +0.61% | 16.40 | 16.50 | 16.30 | 16.50 | 16.39 | 9.14 | 119,414 |   |  			
            | 8/25/2016 | -0.10 / -0.61% | 16.50 | 16.50 | 16.30 | 16.40 | 16.36 | 9.08 | 81,584 |   |  
            | 8/24/2016 | -0.10 / -0.60% | 16.60 | 16.60 | 16.50 | 16.50 | 16.55 | 9.14 | 100,744 |   |  |