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            | 
                    Closing price on 9/23/2016
                 |  |  
    
        |           
                
                    | Open | 10.20 |  
                    | High | 10.40 |  
                    | Low | 10.10 |  
                    | Volume | 190,950 |  
                    | Split-adjusted Price | 5.87 |  
                
             | 
 |  PVC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/23/2016 | -1.30 / -11.21% | 10.20 | 10.40 | 10.10 | 10.30 | 10.20 | 5.87 | 190,950 |   |  
            | 9/22/2016 | 0.00 / 0.00% | 11.70 | 11.80 | 11.60 | 11.60 | 11.66 | 5.82 | 490,700 |   |  			
            | 9/21/2016 | +0.10 / +0.87% | 11.80 | 11.80 | 11.40 | 11.60 | 11.53 | 5.82 | 114,646 |   |  
            | 9/20/2016 | +0.10 / +0.88% | 11.50 | 11.60 | 11.40 | 11.50 | 11.50 | 5.76 | 182,000 |   |  			
            | 9/19/2016 | -0.10 / -0.87% | 11.50 | 11.80 | 11.30 | 11.40 | 11.48 | 5.71 | 312,040 |   |  
            | 9/16/2016 | 0.00 / 0.00% | 11.50 | 11.80 | 11.50 | 11.50 | 11.68 | 5.76 | 332,460 |   |  			
            | 9/15/2016 | -0.20 / -1.71% | 11.70 | 11.70 | 11.40 | 11.50 | 11.54 | 5.76 | 207,549 |   |  
            | 9/14/2016 | +0.20 / +1.74% | 10.40 | 11.90 | 10.40 | 11.70 | 11.71 | 5.87 | 352,210 |   |  			
            | 9/13/2016 | +0.10 / +0.88% | 11.50 | 12.00 | 11.50 | 11.50 | 11.66 | 5.76 | 570,280 |   |  
            | 9/12/2016 | -0.40 / -3.39% | 11.90 | 11.90 | 11.30 | 11.40 | 11.51 | 5.71 | 343,800 |   |  			
            | 9/9/2016 | -0.20 / -1.67% | 12.30 | 12.30 | 11.80 | 11.80 | 12.09 | 5.92 | 345,250 |   |  
            | 9/8/2016 | +0.10 / +0.84% | 12.00 | 12.50 | 12.00 | 12.00 | 12.35 | 6.02 | 509,500 |   |  			
            | 9/7/2016 | +1.00 / +9.17% | 10.90 | 11.90 | 10.90 | 11.90 | 10.90 | 5.97 | 1,033,205 |   |  
            | 9/6/2016 | +0.10 / +0.93% | 10.80 | 11.10 | 10.80 | 10.90 | 11.02 | 5.46 | 227,900 |   |  			
            | 9/5/2016 | -0.10 / -0.92% | 10.90 | 10.90 | 10.70 | 10.80 | 10.82 | 5.41 | 287,530 |   |  
            | 9/1/2016 | -0.10 / -0.91% | 11.00 | 11.00 | 10.70 | 10.90 | 10.84 | 5.46 | 276,300 |   |  			
            | 8/31/2016 | -0.30 / -2.65% | 11.30 | 11.30 | 10.90 | 11.00 | 11.09 | 5.51 | 486,222 |   |  
            | 8/30/2016 | +0.70 / +6.60% | 10.70 | 11.30 | 10.20 | 11.30 | 10.87 | 5.66 | 390,990 |   |  			
            | 8/29/2016 | -0.90 / -7.83% | 11.50 | 11.60 | 10.40 | 10.60 | 10.82 | 5.31 | 969,237 |   |  
            | 8/26/2016 | -0.50 / -4.17% | 12.00 | 12.00 | 11.40 | 11.50 | 11.62 | 5.76 | 913,690 |   |  			
            | 8/25/2016 | -0.10 / -0.83% | 12.00 | 12.10 | 11.80 | 12.00 | 11.96 | 6.02 | 342,000 |   |  
            | 8/24/2016 | -0.30 / -2.42% | 12.40 | 12.40 | 12.10 | 12.10 | 12.23 | 6.07 | 305,102 |   |  			
            | 8/23/2016 | -0.20 / -1.59% | 12.60 | 12.60 | 12.20 | 12.40 | 12.27 | 6.22 | 361,111 |   |  
            | 8/22/2016 | 0.00 / 0.00% | 12.60 | 12.70 | 12.60 | 12.60 | 12.61 | 6.32 | 182,629 |   |  			
            | 8/19/2016 | 0.00 / 0.00% | 12.70 | 13.10 | 12.60 | 12.60 | 12.60 | 6.32 | 584,090 |   |  
            | 8/18/2016 | -0.40 / -3.08% | 13.00 | 13.00 | 12.60 | 12.60 | 12.79 | 6.32 | 432,500 |   |  			
            | 8/17/2016 | 0.00 / 0.00% | 13.10 | 13.10 | 12.90 | 13.00 | 13.07 | 6.52 | 439,151 |   |  
            | 8/16/2016 | -0.10 / -0.76% | 13.20 | 13.50 | 12.90 | 13.00 | 13.16 | 6.52 | 382,064 |   |  			
            | 8/15/2016 | +0.40 / +3.15% | 12.80 | 13.10 | 12.80 | 13.10 | 13.00 | 6.57 | 883,180 |   |  
            | 8/12/2016 | 0.00 / 0.00% | 12.90 | 13.20 | 12.60 | 12.70 | 12.89 | 6.37 | 569,461 |   |  |