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                    Closing price on 12/26/2018
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        |           
                
                    | Open | 30.00 |  
                    | High | 30.40 |  
                    | Low | 30.00 |  
                    | Volume | 443,300 |  
                    | Split-adjusted Price | 20.58 |  
                
             | 
 |  PGS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/26/2018 | -0.20 / -0.66% | 30.00 | 30.40 | 30.00 | 30.30 | 30.40 | 20.58 | 443,300 |   |  
            | 12/25/2018 | +0.50 / +1.67% | 28.10 | 30.50 | 28.10 | 30.50 | 29.42 | 20.72 | 2,800 |   |  			
            | 12/24/2018 | -0.50 / -1.64% | 28.30 | 31.00 | 28.30 | 30.00 | 29.77 | 20.38 | 900 |   |  
            | 12/21/2018 | 0.00 / 0.00% | 30.50 | 30.50 | 30.50 | 30.50 | 30.50 | 20.72 | 0 |   |  			
            | 12/20/2018 | 0.00 / 0.00% | 30.50 | 30.50 | 30.50 | 30.50 | 30.50 | 20.72 | 300 |   |  
            | 12/19/2018 | +0.50 / +1.67% | 30.00 | 31.00 | 28.40 | 30.50 | 30.95 | 20.72 | 244,800 |   |  			
            | 12/18/2018 | -0.70 / -2.28% | 30.20 | 30.20 | 29.90 | 30.00 | 30.00 | 20.38 | 1,000 |   |  
            | 12/17/2018 | -0.20 / -0.65% | 30.70 | 30.70 | 30.70 | 30.70 | 30.70 | 20.85 | 200 |   |  			
            | 12/14/2018 | +0.90 / +3.00% | 30.90 | 31.00 | 29.30 | 30.90 | 30.78 | 20.99 | 405,700 |   |  
            | 12/13/2018 | -0.10 / -0.33% | 28.30 | 30.00 | 28.30 | 30.00 | 28.80 | 20.38 | 800 |   |  			
            | 12/12/2018 | 0.00 / 0.00% | 30.10 | 30.10 | 30.10 | 30.10 | 30.10 | 20.44 | 100 |   |  
            | 12/11/2018 | -0.60 / -1.95% | 30.00 | 30.10 | 30.00 | 30.10 | 30.01 | 20.44 | 1,100 |   |  			
            | 12/10/2018 | +0.80 / +2.68% | 29.00 | 30.70 | 29.00 | 30.70 | 30.08 | 20.85 | 400 |   |  
            | 12/7/2018 | 0.00 / 0.00% | 29.90 | 29.90 | 29.90 | 29.90 | 29.90 | 20.31 | 0 |   |  			
            | 12/6/2018 | -0.20 / -0.66% | 30.30 | 30.30 | 29.10 | 29.90 | 29.27 | 20.31 | 26,731 |   |  
            | 12/5/2018 | +0.80 / +2.73% | 30.10 | 30.10 | 30.10 | 30.10 | 30.10 | 20.44 | 100 |   |  			
            | 12/4/2018 | -1.80 / -5.79% | 29.70 | 29.70 | 29.30 | 29.30 | 29.40 | 19.90 | 53,600 |   |  
            | 12/3/2018 | 0.00 / 0.00% | 31.10 | 31.10 | 31.10 | 31.10 | 31.10 | 21.12 | 0 |   |  			
            | 11/30/2018 | +0.50 / +1.63% | 29.00 | 31.10 | 28.20 | 31.10 | 28.82 | 21.12 | 600 |   |  
            | 11/29/2018 | 0.00 / 0.00% | 30.60 | 30.60 | 30.60 | 30.60 | 30.60 | 20.78 | 0 |   |  			
            | 11/28/2018 | +0.90 / +3.03% | 30.60 | 30.60 | 30.60 | 30.60 | 30.60 | 20.78 | 100 |   |  
            | 11/27/2018 | +0.20 / +0.68% | 30.60 | 30.60 | 29.70 | 29.70 | 30.00 | 20.17 | 300 |   |  			
            | 11/26/2018 | -1.50 / -4.84% | 30.90 | 31.80 | 29.50 | 29.50 | 29.75 | 20.04 | 2,300 |   |  
            | 11/23/2018 | 0.00 / 0.00% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 21.06 | 0 |   |  			
            | 11/22/2018 | +0.10 / +0.32% | 31.50 | 31.50 | 29.70 | 31.00 | 29.83 | 21.06 | 2,900 |   |  
            | 11/21/2018 | +1.20 / +4.04% | 30.90 | 30.90 | 30.90 | 30.90 | 30.90 | 20.99 | 100 |   |  			
            | 11/20/2018 | -3.30 / -10.00% | 30.10 | 30.10 | 29.70 | 29.70 | 29.70 | 20.17 | 31,600 |   |  
            | 11/19/2018 | +3.00 / +10.00% | 33.00 | 33.00 | 33.00 | 33.00 | 33.00 | 22.41 | 100 |   |  			
            | 11/16/2018 | -0.90 / -2.91% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 20.38 | 100 |   |  
            | 11/15/2018 | 0.00 / 0.00% | 30.90 | 30.90 | 30.90 | 30.90 | 30.90 | 20.99 | 0 |   |  |