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            | 
                    Closing price on 9/12/2013
                 |  |  
    
        |           
                
                    | Open | 14.10 |  
                    | High | 14.20 |  
                    | Low | 13.90 |  
                    | Volume | 100,574 |  
                    | Split-adjusted Price | 5.96 |  
                
             | 
 |  PVC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/12/2013 | 0.00 / 0.00% | 14.10 | 14.20 | 13.90 | 14.00 | 13.96 | 5.96 | 100,574 |   |  
            | 9/11/2013 | +0.10 / +0.72% | 14.00 | 14.20 | 14.00 | 14.00 | 14.08 | 5.96 | 202,600 |   |  			
            | 9/10/2013 | +0.20 / +1.46% | 13.60 | 14.00 | 13.50 | 13.90 | 13.88 | 5.92 | 120,597 |   |  
            | 9/9/2013 | -0.40 / -2.84% | 14.00 | 14.00 | 13.40 | 13.70 | 13.68 | 5.83 | 145,000 |   |  			
            | 9/6/2013 | 0.00 / 0.00% | 14.10 | 14.20 | 14.00 | 14.10 | 14.12 | 6.00 | 93,613 |   |  
            | 9/5/2013 | +0.40 / +2.92% | 13.90 | 14.10 | 13.80 | 14.10 | 13.98 | 6.00 | 93,100 |   |  			
            | 9/4/2013 | -0.30 / -2.14% | 14.00 | 14.00 | 13.70 | 13.70 | 13.84 | 5.83 | 171,565 |   |  
            | 9/3/2013 | -0.40 / -2.78% | 14.30 | 14.30 | 14.00 | 14.00 | 14.14 | 5.96 | 103,310 |   |  			
            | 8/30/2013 | +0.20 / +1.41% | 14.20 | 14.40 | 14.00 | 14.40 | 14.16 | 6.13 | 61,060 |   |  
            | 8/29/2013 | +0.10 / +0.71% | 14.20 | 14.30 | 14.00 | 14.20 | 14.11 | 6.05 | 93,000 |   |  			
            | 8/28/2013 | -0.40 / -2.76% | 14.40 | 14.40 | 14.00 | 14.10 | 14.17 | 6.00 | 237,819 |   |  
            | 8/27/2013 | -0.20 / -1.36% | 14.70 | 14.70 | 14.40 | 14.50 | 14.52 | 6.17 | 33,423 |   |  			
            | 8/26/2013 | 0.00 / 0.00% | 14.60 | 14.70 | 14.30 | 14.70 | 14.50 | 6.26 | 130,697 |   |  
            | 8/23/2013 | -0.10 / -0.68% | 14.80 | 14.80 | 14.60 | 14.70 | 14.71 | 6.26 | 217,574 |   |  			
            | 8/22/2013 | -0.30 / -1.99% | 15.00 | 15.10 | 14.50 | 14.80 | 14.74 | 6.30 | 202,700 |   |  
            | 8/21/2013 | 0.00 / 0.00% | 15.10 | 15.10 | 14.90 | 15.10 | 15.00 | 6.43 | 174,950 |   |  			
            | 8/20/2013 | -0.30 / -1.95% | 15.50 | 15.50 | 15.00 | 15.10 | 15.16 | 6.43 | 156,949 |   |  
            | 8/19/2013 | +0.20 / +1.32% | 15.20 | 15.40 | 15.20 | 15.40 | 15.30 | 6.56 | 208,610 |   |  			
            | 8/16/2013 | +0.30 / +2.01% | 14.90 | 15.30 | 14.90 | 15.20 | 15.18 | 6.47 | 318,680 |   |  
            | 8/15/2013 | -0.20 / -1.32% | 15.10 | 15.30 | 14.90 | 14.90 | 15.03 | 6.34 | 172,560 |   |  			
            | 8/14/2013 | +0.50 / +3.42% | 14.60 | 15.10 | 14.50 | 15.10 | 14.76 | 6.43 | 289,767 |   |  
            | 8/13/2013 | -0.20 / -1.35% | 14.80 | 14.80 | 14.60 | 14.60 | 14.68 | 6.22 | 244,598 |   |  			
            | 8/12/2013 | -0.10 / -0.67% | 14.90 | 15.10 | 14.80 | 14.80 | 14.84 | 6.30 | 148,220 |   |  
            | 8/9/2013 | -0.50 / -3.25% | 15.30 | 15.30 | 14.70 | 14.90 | 14.99 | 6.34 | 968,885 |   |  			
            | 8/8/2013 | -0.20 / -1.28% | 15.70 | 15.70 | 15.30 | 15.40 | 15.47 | 6.56 | 262,987 |   |  
            | 8/7/2013 | +0.10 / +0.65% | 15.70 | 15.70 | 15.50 | 15.60 | 15.65 | 6.64 | 257,833 |   |  			
            | 8/6/2013 | -0.20 / -1.27% | 15.60 | 15.60 | 15.40 | 15.50 | 15.53 | 6.60 | 153,181 |   |  
            | 8/5/2013 | 0.00 / 0.00% | 15.70 | 15.80 | 15.60 | 15.70 | 15.70 | 6.68 | 133,180 |   |  			
            | 8/2/2013 | 0.00 / 0.00% | 15.80 | 15.80 | 15.60 | 15.70 | 15.62 | 6.68 | 90,700 |   |  
            | 8/1/2013 | +0.20 / +1.29% | 15.50 | 15.70 | 15.50 | 15.70 | 15.57 | 6.68 | 201,800 |   |  |