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                    Closing price on 12/16/2014
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        |           
                
                    | Open | 29.50 |  
                    | High | 29.50 |  
                    | Low | 26.70 |  
                    | Volume | 563,540 |  
                    | Split-adjusted Price | 9.19 |  
                
             | 
 |  PGS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/16/2014 | -2.10 / -7.12% | 29.50 | 29.50 | 26.70 | 27.40 | 27.96 | 9.19 | 563,540 |   |  
            | 12/15/2014 | -0.20 / -0.67% | 29.70 | 30.00 | 29.50 | 29.50 | 29.71 | 9.89 | 162,100 |   |  			
            | 12/12/2014 | +0.20 / +0.68% | 30.10 | 30.10 | 29.00 | 29.70 | 29.69 | 9.96 | 303,160 |   |  
            | 12/11/2014 | -1.90 / -6.05% | 30.60 | 31.00 | 29.50 | 29.50 | 30.47 | 9.89 | 272,330 |   |  			
            | 12/10/2014 | +0.80 / +2.61% | 30.60 | 31.40 | 29.00 | 31.40 | 30.46 | 10.53 | 485,436 |   |  
            | 12/9/2014 | -3.30 / -9.73% | 33.00 | 33.00 | 30.60 | 30.60 | 31.34 | 10.26 | 866,800 |   |  			
            | 12/8/2014 | -1.80 / -5.04% | 35.70 | 35.80 | 33.60 | 33.90 | 34.53 | 11.36 | 430,320 |   |  
            | 12/5/2014 | +2.40 / +7.21% | 33.00 | 35.70 | 32.90 | 35.70 | 33.26 | 11.97 | 447,700 |   |  			
            | 12/4/2014 | -0.20 / -0.60% | 33.00 | 33.90 | 33.00 | 33.30 | 33.60 | 11.16 | 196,810 |   |  
            | 12/3/2014 | 0.00 / 0.00% | 33.80 | 33.80 | 33.40 | 33.50 | 33.47 | 11.23 | 153,600 |   |  			
            | 12/2/2014 | +0.40 / +1.21% | 33.00 | 33.80 | 33.00 | 33.50 | 33.36 | 11.23 | 132,920 |   |  
            | 12/1/2014 | 0.00 / 0.00% | 32.50 | 34.00 | 32.00 | 33.10 | 33.49 | 11.10 | 322,800 |   |  			
            | 11/28/2014 | -0.90 / -2.65% | 34.20 | 34.20 | 32.30 | 33.10 | 33.08 | 11.10 | 411,550 |   |  
            | 11/27/2014 | -0.50 / -1.45% | 34.50 | 34.50 | 33.10 | 34.00 | 33.70 | 11.40 | 513,300 |   |  			
            | 11/26/2014 | -0.70 / -1.99% | 35.50 | 35.50 | 34.20 | 34.50 | 34.71 | 11.57 | 388,000 |   |  
            | 11/25/2014 | +0.50 / +1.44% | 34.70 | 35.30 | 34.70 | 35.20 | 34.91 | 11.80 | 139,600 |   |  			
            | 11/24/2014 | -0.70 / -1.98% | 35.00 | 35.00 | 34.50 | 34.70 | 34.71 | 11.63 | 648,750 |   |  
            | 11/21/2014 | -0.60 / -1.67% | 36.10 | 36.20 | 35.30 | 35.40 | 35.63 | 11.87 | 229,900 |   |  			
            | 11/20/2014 | +0.50 / +1.41% | 35.80 | 36.00 | 35.40 | 36.00 | 35.64 | 12.07 | 317,400 |   |  
            | 11/19/2014 | -0.40 / -1.11% | 35.90 | 35.90 | 35.50 | 35.50 | 35.68 | 11.90 | 437,500 |   |  			
            | 11/18/2014 | -0.60 / -1.64% | 36.50 | 36.70 | 35.90 | 35.90 | 36.27 | 12.04 | 351,000 |   |  
            | 11/17/2014 | -0.20 / -0.54% | 36.70 | 36.90 | 36.50 | 36.50 | 36.67 | 12.24 | 401,501 |   |  			
            | 11/14/2014 | -0.80 / -2.13% | 37.50 | 37.50 | 36.50 | 36.70 | 36.95 | 12.30 | 464,120 |   |  
            | 11/13/2014 | -0.40 / -1.06% | 37.90 | 38.20 | 37.40 | 37.50 | 37.78 | 12.57 | 455,850 |   |  			
            | 11/12/2014 | +0.40 / +1.07% | 37.80 | 37.90 | 37.30 | 37.90 | 37.57 | 12.71 | 499,600 |   |  
            | 11/11/2014 | -0.40 / -1.06% | 38.50 | 38.50 | 37.40 | 37.50 | 37.62 | 12.57 | 422,710 |   |  			
            | 11/10/2014 | +0.50 / +1.34% | 37.60 | 38.10 | 37.50 | 37.90 | 37.87 | 12.71 | 555,370 |   |  
            | 11/7/2014 | 0.00 / 0.00% | 37.50 | 38.00 | 37.10 | 37.40 | 37.48 | 12.54 | 377,230 |   |  			
            | 11/6/2014 | +1.70 / +4.76% | 35.50 | 37.40 | 35.50 | 37.40 | 36.47 | 12.54 | 1,272,900 |   |  
            | 11/5/2014 | -0.20 / -0.56% | 35.80 | 36.00 | 34.70 | 35.70 | 35.54 | 11.97 | 544,900 |   |  |