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                    Closing price on 7/12/2018
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                    | Open | 34.30 |  
                    | High | 34.30 |  
                    | Low | 32.40 |  
                    | Volume | 1,100 |  
                    | Split-adjusted Price | 21.29 |  
                
             | 
 |  PGS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/12/2018 | +1.00 / +3.18% | 34.30 | 34.30 | 32.40 | 32.40 | 32.57 | 21.29 | 1,100 |   |  
            | 7/11/2018 | 0.00 / 0.00% | 31.00 | 32.00 | 30.00 | 31.40 | 30.06 | 20.63 | 50,000 |   |  			
            | 7/10/2018 | +0.30 / +0.96% | 30.90 | 31.80 | 30.90 | 31.40 | 31.29 | 20.63 | 1,000 |   |  
            | 7/9/2018 | +2.10 / +7.24% | 28.90 | 31.80 | 28.90 | 31.10 | 31.05 | 20.44 | 160,300 |   |  			
            | 7/6/2018 | 0.00 / 0.00% | 30.00 | 30.80 | 29.00 | 29.00 | 30.60 | 19.06 | 422,600 |   |  
            | 7/5/2018 | +0.70 / +2.47% | 30.00 | 30.50 | 29.00 | 29.00 | 29.12 | 19.06 | 34,500 |   |  			
            | 7/4/2018 | -2.90 / -9.29% | 28.30 | 28.30 | 28.30 | 28.30 | 28.30 | 18.60 | 100 |   |  
            | 7/3/2018 | -0.20 / -0.64% | 31.20 | 31.20 | 31.20 | 31.20 | 31.20 | 20.50 | 100 |   |  			
            | 7/2/2018 | -0.20 / -0.63% | 31.40 | 31.40 | 31.40 | 31.40 | 31.40 | 20.63 | 500 |   |  
            | 6/29/2018 | -0.20 / -0.63% | 29.10 | 31.60 | 29.00 | 31.60 | 29.11 | 20.76 | 5,600 |   |  			
            | 6/28/2018 | 0.00 / 0.00% | 31.80 | 31.80 | 31.80 | 31.80 | 31.80 | 20.90 | 0 |   |  
            | 6/27/2018 | 0.00 / 0.00% | 31.80 | 31.80 | 31.80 | 31.80 | 31.80 | 20.90 | 0 |   |  			
            | 6/26/2018 | -0.20 / -0.63% | 31.80 | 31.80 | 31.80 | 31.80 | 31.80 | 20.90 | 100 |   |  
            | 6/25/2018 | 0.00 / 0.00% | 32.00 | 32.00 | 32.00 | 32.00 | 32.00 | 21.03 | 500 |   |  			
            | 6/22/2018 | +1.30 / +4.23% | 30.40 | 33.50 | 30.00 | 32.00 | 32.30 | 21.03 | 188,600 |   |  
            | 6/21/2018 | -3.40 / -9.97% | 31.00 | 31.70 | 30.70 | 30.70 | 30.82 | 20.17 | 1,900 |   |  			
            | 6/20/2018 | +3.10 / +10.00% | 34.10 | 34.10 | 34.10 | 34.10 | 34.10 | 22.41 | 100 |   |  
            | 6/19/2018 | -1.50 / -4.62% | 31.30 | 32.40 | 29.60 | 31.00 | 30.66 | 20.37 | 15,500 |   |  			
            | 6/18/2018 | -0.10 / -0.31% | 30.40 | 32.50 | 30.40 | 32.50 | 30.75 | 21.36 | 600 |   |  
            | 6/15/2018 | +2.00 / +6.54% | 32.60 | 32.60 | 32.60 | 32.60 | 32.60 | 21.42 | 100 |   |  			
            | 6/14/2018 | -0.40 / -1.29% | 30.40 | 34.00 | 30.40 | 30.60 | 30.52 | 19.58 | 7,900 |   |  
            | 6/13/2018 | 0.00 / 0.00% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 19.84 | 0 |   |  			
            | 6/12/2018 | 0.00 / 0.00% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 19.84 | 0 |   |  
            | 6/11/2018 | -0.60 / -1.90% | 31.60 | 34.70 | 31.00 | 31.00 | 31.48 | 19.84 | 900 |   |  			
            | 6/8/2018 | -1.40 / -4.24% | 31.60 | 31.60 | 31.60 | 31.60 | 31.60 | 20.22 | 100 |   |  
            | 6/7/2018 | +2.00 / +6.45% | 31.00 | 33.00 | 31.00 | 33.00 | 31.10 | 21.12 | 2,100 |   |  			
            | 6/6/2018 | -0.50 / -1.59% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 19.84 | 24,300 |   |  
            | 6/5/2018 | -0.50 / -1.56% | 31.90 | 31.90 | 30.80 | 31.50 | 31.02 | 20.16 | 37,900 |   |  			
            | 6/4/2018 | -0.20 / -0.62% | 32.20 | 32.20 | 32.00 | 32.00 | 32.17 | 20.48 | 600 |   |  
            | 6/1/2018 | +1.40 / +4.55% | 32.20 | 32.20 | 30.60 | 32.20 | 30.69 | 20.60 | 21,200 |   |  |