| 
                 
                    Closing price on 9/26/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    38.50 | 
                 
                
                    | High | 
                    38.50 | 
                 
                
                    | Low | 
                    37.70 | 
                     
                
                    | Volume | 
                    7,070 | 
                                 
                
                    | Split-adjusted Price | 
                    11.36 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
OPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/26/2016
             | 
            
                -0.10 / -0.26%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                37.70
             |                           
            
                38.40
             | 
            
                38.05
             |                     
            
                11.36
             |                                 
            
                7,070
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2016
             | 
            
                0.00 / 0.00%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                38.50
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                11.39
             |                                 
            
                540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2016
             | 
            
                +0.95 / +2.53%
             |             
            
                37.70
             |           
            
                38.50
             |               
            
                37.70
             |                           
            
                38.50
             | 
            
                38.14
             |                     
            
                11.39
             |                                 
            
                11,090
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2016
             | 
            
                -0.35 / -0.92%
             |             
            
                37.50
             |           
            
                37.55
             |               
            
                37.50
             |                           
            
                37.55
             | 
            
                37.53
             |                     
            
                11.11
             |                                 
            
                4,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2016
             | 
            
                +0.50 / +1.34%
             |             
            
                37.50
             |           
            
                37.90
             |               
            
                37.40
             |                           
            
                37.90
             | 
            
                37.48
             |                     
            
                11.21
             |                                 
            
                13,180
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2016
             | 
            
                -0.10 / -0.27%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.00
             |                           
            
                37.40
             | 
            
                37.29
             |                     
            
                11.07
             |                                 
            
                5,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2016
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.00
             |                           
            
                37.50
             | 
            
                37.01
             |                     
            
                11.10
             |                                 
            
                3,540
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2016
             | 
            
                -0.50 / -1.32%
             |             
            
                37.00
             |           
            
                37.50
             |               
            
                37.00
             |                           
            
                37.50
             | 
            
                37.25
             |                     
            
                11.10
             |                                 
            
                3,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2016
             | 
            
                0.00 / 0.00%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                38.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                11.24
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2016
             | 
            
                +0.50 / +1.33%
             |             
            
                37.00
             |           
            
                38.00
             |               
            
                37.00
             |                           
            
                38.00
             | 
            
                37.50
             |                     
            
                11.24
             |                                 
            
                220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2016
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                11.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2016
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                11.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2016
             | 
            
                +0.50 / +1.35%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                36.80
             |                           
            
                37.50
             | 
            
                37.42
             |                     
            
                11.10
             |                                 
            
                3,260
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2016
             | 
            
                +0.20 / +0.54%
             |             
            
                36.60
             |           
            
                37.00
             |               
            
                36.60
             |                           
            
                37.00
             | 
            
                36.98
             |                     
            
                10.95
             |                                 
            
                1,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2016
             | 
            
                +0.30 / +0.82%
             |             
            
                36.50
             |           
            
                37.00
             |               
            
                36.50
             |                           
            
                36.80
             | 
            
                36.70
             |                     
            
                10.89
             |                                 
            
                1,810
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2016
             | 
            
                -0.90 / -2.41%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                37.00
             |                     
            
                10.80
             |                                 
            
                3,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2016
             | 
            
                +0.90 / +2.47%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.00
             |                           
            
                37.40
             | 
            
                37.13
             |                     
            
                11.07
             |                                 
            
                7,110
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2016
             | 
            
                -0.90 / -2.41%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                10.80
             |                                 
            
                530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2016
             | 
            
                +0.60 / +1.63%
             |             
            
                37.40
             |           
            
                37.40
             |               
            
                37.40
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                11.07
             |                                 
            
                150
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2016
             | 
            
                +0.30 / +0.82%
             |             
            
                36.80
             |           
            
                36.80
             |               
            
                36.80
             |                           
            
                36.80
             | 
            
                36.80
             |                     
            
                10.89
             |                                 
            
                150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                10.80
             |                                 
            
                3,060
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2016
             | 
            
                +0.10 / +0.27%
             |             
            
                36.30
             |           
            
                36.50
             |               
            
                36.30
             |                           
            
                36.50
             | 
            
                36.40
             |                     
            
                10.80
             |                                 
            
                890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2016
             | 
            
                +0.40 / +1.11%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.40
             |                           
            
                36.40
             | 
            
                36.45
             |                     
            
                10.77
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2016
             | 
            
                -0.50 / -1.37%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                10.65
             |                                 
            
                2,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2016
             | 
            
                +0.30 / +0.83%
             |             
            
                36.20
             |           
            
                36.60
             |               
            
                36.20
             |                           
            
                36.50
             | 
            
                36.54
             |                     
            
                10.80
             |                                 
            
                1,040
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                10.71
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2016
             | 
            
                -0.40 / -1.09%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.40
             |                     
            
                10.71
             |                                 
            
                2,720
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2016
             | 
            
                -0.20 / -0.54%
             |             
            
                37.40
             |           
            
                37.40
             |               
            
                36.60
             |                           
            
                36.60
             | 
            
                36.92
             |                     
            
                10.83
             |                                 
            
                650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2016
             | 
            
                +0.30 / +0.82%
             |             
            
                36.50
             |           
            
                38.00
             |               
            
                36.50
             |                           
            
                36.80
             | 
            
                36.99
             |                     
            
                10.89
             |                                 
            
                4,650
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2016
             | 
            
                +0.50 / +1.39%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                10.80
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |