| 
                 
                    Closing price on 7/25/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    55.50 | 
                 
                
                    | High | 
                    55.50 | 
                 
                
                    | Low | 
                    55.50 | 
                     
                
                    | Volume | 
                    1,000 | 
                                 
                
                    | Split-adjusted Price | 
                    17.26 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
OPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/25/2017
             | 
            
                -0.50 / -0.89%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                17.26
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2017
             | 
            
                +0.50 / +0.90%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                17.41
             |                                 
            
                110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                52.00
             |                           
            
                55.50
             | 
            
                52.78
             |                     
            
                17.26
             |                                 
            
                1,440
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2017
             | 
            
                -0.40 / -0.72%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                17.26
             |                                 
            
                50
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2017
             | 
            
                +0.90 / +1.64%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                51.50
             |                           
            
                55.90
             | 
            
                54.36
             |                     
            
                17.38
             |                                 
            
                1,490
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.51
             |                     
            
                17.10
             |                                 
            
                2,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2017
             | 
            
                -0.50 / -0.90%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.45
             |                     
            
                17.10
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2017
             | 
            
                -0.90 / -1.60%
             |             
            
                56.00
             |           
            
                56.50
             |               
            
                55.00
             |                           
            
                55.50
             | 
            
                55.59
             |                     
            
                17.26
             |                                 
            
                3,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2017
             | 
            
                +0.40 / +0.71%
             |             
            
                56.00
             |           
            
                56.50
             |               
            
                56.00
             |                           
            
                56.40
             | 
            
                56.29
             |                     
            
                17.54
             |                                 
            
                1,510
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2017
             | 
            
                +2.00 / +3.70%
             |             
            
                55.00
             |           
            
                56.00
             |               
            
                54.50
             |                           
            
                56.00
             | 
            
                55.00
             |                     
            
                17.41
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2017
             | 
            
                -1.00 / -1.82%
             |             
            
                54.50
             |           
            
                54.50
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                54.25
             |                     
            
                16.79
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2017
             | 
            
                -1.00 / -1.79%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.34
             |                     
            
                17.10
             |                                 
            
                2,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                54.00
             |                           
            
                56.00
             | 
            
                55.07
             |                     
            
                17.41
             |                                 
            
                12,040
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2017
             | 
            
                +1.50 / +2.75%
             |             
            
                56.60
             |           
            
                56.60
             |               
            
                53.00
             |                           
            
                56.00
             | 
            
                56.13
             |                     
            
                17.41
             |                                 
            
                2,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2017
             | 
            
                -1.50 / -2.68%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                54.50
             |                           
            
                54.50
             | 
            
                55.25
             |                     
            
                16.95
             |                                 
            
                390
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                56.00
             |           
            
                56.60
             |               
            
                55.00
             |                           
            
                56.00
             | 
            
                55.98
             |                     
            
                17.41
             |                                 
            
                6,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2017
             | 
            
                +3.10 / +5.86%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                17.41
             |                                 
            
                2,250
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2017
             | 
            
                -1.30 / -2.40%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                52.90
             |                           
            
                52.90
             | 
            
                54.78
             |                     
            
                16.45
             |                                 
            
                1,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2017
             | 
            
                +0.60 / +1.12%
             |             
            
                53.60
             |           
            
                54.20
             |               
            
                53.60
             |                           
            
                54.20
             | 
            
                53.78
             |                     
            
                16.85
             |                                 
            
                111,430
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2017
             | 
            
                +0.60 / +1.13%
             |             
            
                50.60
             |           
            
                53.60
             |               
            
                50.60
             |                           
            
                53.60
             | 
            
                53.42
             |                     
            
                16.67
             |                                 
            
                109,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2017
             | 
            
                -0.40 / -0.75%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                50.00
             |                           
            
                53.00
             | 
            
                52.91
             |                     
            
                16.48
             |                                 
            
                107,720
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                50.00
             |           
            
                53.40
             |               
            
                50.00
             |                           
            
                53.40
             | 
            
                51.92
             |                     
            
                16.60
             |                                 
            
                106,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2017
             | 
            
                +0.50 / +0.94%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                52.80
             |                           
            
                53.50
             | 
            
                53.33
             |                     
            
                16.64
             |                                 
            
                109,270
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                52.90
             |                           
            
                53.00
             | 
            
                52.98
             |                     
            
                16.48
             |                                 
            
                110,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2017
             | 
            
                +2.50 / +4.95%
             |             
            
                50.50
             |           
            
                53.00
             |               
            
                50.50
             |                           
            
                53.00
             | 
            
                52.74
             |                     
            
                16.48
             |                                 
            
                109,830
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2017
             | 
            
                +0.20 / +0.40%
             |             
            
                50.50
             |           
            
                50.50
             |               
            
                50.50
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                15.70
             |                                 
            
                106,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                53.30
             |           
            
                53.30
             |               
            
                50.30
             |                           
            
                50.30
             | 
            
                52.57
             |                     
            
                15.64
             |                                 
            
                108,530
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2017
             | 
            
                +2.65 / +5.56%
             |             
            
                50.00
             |           
            
                50.90
             |               
            
                48.40
             |                           
            
                50.30
             | 
            
                50.20
             |                     
            
                15.64
             |                                 
            
                82,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2017
             | 
            
                +0.15 / +0.32%
             |             
            
                47.50
             |           
            
                48.10
             |               
            
                47.50
             |                           
            
                47.65
             | 
            
                48.01
             |                     
            
                14.82
             |                                 
            
                78,970
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2017
             | 
            
                +0.35 / +0.74%
             |             
            
                47.50
             |           
            
                47.50
             |               
            
                47.10
             |                           
            
                47.50
             | 
            
                47.40
             |                     
            
                14.77
             |                                 
            
                146,010
             |  
            
                 
             |                                                              
             
    
         
    
    
 |