| 
                 
                    Closing price on 10/29/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.10 | 
                 
                
                    | High | 
                    14.20 | 
                 
                
                    | Low | 
                    13.90 | 
                     
                
                    | Volume | 
                    155,700 | 
                                 
                
                    | Split-adjusted Price | 
                    6.46 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/29/2013
             | 
            
                +0.20 / +1.43%
             |             
            
                14.10
             |           
            
                14.20
             |               
            
                13.90
             |                           
            
                14.20
             | 
            
                13.98
             |                     
            
                6.46
             |                                 
            
                155,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2013
             | 
            
                -0.30 / -2.10%
             |             
            
                14.40
             |           
            
                14.80
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.17
             |                     
            
                6.37
             |                                 
            
                172,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2013
             | 
            
                +0.10 / +0.70%
             |             
            
                14.40
             |           
            
                14.40
             |               
            
                14.10
             |                           
            
                14.30
             | 
            
                14.17
             |                     
            
                6.50
             |                                 
            
                121,920
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2013
             | 
            
                -0.30 / -2.07%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                14.10
             |                           
            
                14.20
             | 
            
                14.29
             |                     
            
                6.46
             |                                 
            
                314,751
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.50
             |           
            
                14.70
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.55
             |                     
            
                6.59
             |                                 
            
                261,172
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2013
             | 
            
                -1.20 / -7.64%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                14.40
             |                           
            
                14.50
             | 
            
                14.66
             |                     
            
                6.59
             |                                 
            
                429,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2013
             | 
            
                +0.10 / +0.64%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.60
             |                           
            
                15.70
             | 
            
                15.73
             |                     
            
                6.68
             |                                 
            
                339,724
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2013
             | 
            
                -0.20 / -1.27%
             |             
            
                15.80
             |           
            
                15.90
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.70
             |                     
            
                6.64
             |                                 
            
                198,596
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2013
             | 
            
                +0.30 / +1.94%
             |             
            
                15.70
             |           
            
                16.00
             |               
            
                15.60
             |                           
            
                15.80
             | 
            
                15.79
             |                     
            
                6.73
             |                                 
            
                390,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2013
             | 
            
                -0.10 / -0.64%
             |             
            
                15.50
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.58
             |                     
            
                6.60
             |                                 
            
                443,466
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2013
             | 
            
                +0.10 / +0.65%
             |             
            
                15.50
             |           
            
                15.70
             |               
            
                15.40
             |                           
            
                15.60
             | 
            
                15.54
             |                     
            
                6.64
             |                                 
            
                520,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2013
             | 
            
                +0.30 / +1.97%
             |             
            
                15.20
             |           
            
                15.50
             |               
            
                15.20
             |                           
            
                15.50
             | 
            
                15.40
             |                     
            
                6.60
             |                                 
            
                373,061
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.20
             |           
            
                15.40
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.28
             |                     
            
                6.47
             |                                 
            
                650,540
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2013
             | 
            
                +0.10 / +0.66%
             |             
            
                15.10
             |           
            
                15.30
             |               
            
                14.90
             |                           
            
                15.20
             | 
            
                15.11
             |                     
            
                6.47
             |                                 
            
                467,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.10
             |           
            
                15.40
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.15
             |                     
            
                6.43
             |                                 
            
                299,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2013
             | 
            
                -0.10 / -0.66%
             |             
            
                15.10
             |           
            
                15.20
             |               
            
                15.00
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                6.43
             |                                 
            
                283,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2013
             | 
            
                +0.30 / +2.01%
             |             
            
                14.90
             |           
            
                15.30
             |               
            
                14.90
             |                           
            
                15.20
             | 
            
                15.11
             |                     
            
                6.47
             |                                 
            
                230,811
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                15.00
             |               
            
                14.60
             |                           
            
                14.90
             | 
            
                14.82
             |                     
            
                6.34
             |                                 
            
                273,337
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2013
             | 
            
                -0.20 / -1.32%
             |             
            
                15.00
             |           
            
                15.10
             |               
            
                14.70
             |                           
            
                14.90
             | 
            
                14.83
             |                     
            
                6.34
             |                                 
            
                275,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2013
             | 
            
                +0.20 / +1.34%
             |             
            
                14.90
             |           
            
                15.20
             |               
            
                14.90
             |                           
            
                15.10
             | 
            
                15.07
             |                     
            
                6.43
             |                                 
            
                239,488
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2013
             | 
            
                +0.20 / +1.36%
             |             
            
                14.70
             |           
            
                15.30
             |               
            
                14.70
             |                           
            
                14.90
             | 
            
                14.95
             |                     
            
                6.34
             |                                 
            
                542,417
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2013
             | 
            
                +0.30 / +2.08%
             |             
            
                14.40
             |           
            
                14.70
             |               
            
                14.40
             |                           
            
                14.70
             | 
            
                14.62
             |                     
            
                6.26
             |                                 
            
                216,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2013
             | 
            
                -0.10 / -0.69%
             |             
            
                14.50
             |           
            
                14.70
             |               
            
                14.30
             |                           
            
                14.40
             | 
            
                14.48
             |                     
            
                6.13
             |                                 
            
                327,920
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.40
             |           
            
                14.50
             |               
            
                14.40
             |                           
            
                14.50
             | 
            
                14.47
             |                     
            
                6.17
             |                                 
            
                96,953
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.50
             |           
            
                14.70
             |               
            
                14.40
             |                           
            
                14.50
             | 
            
                14.54
             |                     
            
                6.17
             |                                 
            
                157,660
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2013
             | 
            
                +0.40 / +2.84%
             |             
            
                14.00
             |           
            
                14.70
             |               
            
                14.00
             |                           
            
                14.50
             | 
            
                14.35
             |                     
            
                6.17
             |                                 
            
                367,158
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2013
             | 
            
                +0.20 / +1.44%
             |             
            
                13.80
             |           
            
                14.10
             |               
            
                13.70
             |                           
            
                14.10
             | 
            
                13.95
             |                     
            
                6.00
             |                                 
            
                142,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2013
             | 
            
                +0.10 / +0.72%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.80
             |                           
            
                13.90
             | 
            
                13.81
             |                     
            
                5.92
             |                                 
            
                53,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2013
             | 
            
                +0.10 / +0.73%
             |             
            
                13.70
             |           
            
                14.00
             |               
            
                13.70
             |                           
            
                13.80
             | 
            
                13.76
             |                     
            
                5.88
             |                                 
            
                191,610
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2013
             | 
            
                -0.20 / -1.44%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                13.70
             |                           
            
                13.70
             | 
            
                13.74
             |                     
            
                5.83
             |                                 
            
                118,320
             |  
            
                 
             |                                                              
             
    
         
    
    
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