| 
                 
                    Closing price on 12/12/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    60.00 | 
                 
                
                    | High | 
                    60.00 | 
                 
                
                    | Low | 
                    59.50 | 
                     
                
                    | Volume | 
                    3,100 | 
                                 
                
                    | Split-adjusted Price | 
                    18.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
OPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/12/2017
             | 
            
                -0.50 / -0.83%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.50
             |                           
            
                59.50
             | 
            
                59.68
             |                     
            
                18.50
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2017
             | 
            
                -0.50 / -0.83%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.60
             |                           
            
                60.00
             | 
            
                59.90
             |                     
            
                18.66
             |                                 
            
                2,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2017
             | 
            
                +1.00 / +1.68%
             |             
            
                59.50
             |           
            
                60.50
             |               
            
                59.50
             |                           
            
                60.50
             | 
            
                59.66
             |                     
            
                18.81
             |                                 
            
                71,190
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2017
             | 
            
                +1.50 / +2.59%
             |             
            
                58.50
             |           
            
                59.50
             |               
            
                58.50
             |                           
            
                59.50
             | 
            
                59.11
             |                     
            
                18.50
             |                                 
            
                2,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2017
             | 
            
                -1.00 / -1.69%
             |             
            
                59.20
             |           
            
                59.50
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.69
             |                     
            
                18.03
             |                                 
            
                9,610
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2017
             | 
            
                -0.80 / -1.34%
             |             
            
                59.00
             |           
            
                59.80
             |               
            
                58.00
             |                           
            
                59.00
             | 
            
                59.26
             |                     
            
                18.35
             |                                 
            
                4,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2017
             | 
            
                +0.80 / +1.36%
             |             
            
                59.90
             |           
            
                60.00
             |               
            
                56.00
             |                           
            
                59.80
             | 
            
                58.87
             |                     
            
                18.59
             |                                 
            
                6,930
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2017
             | 
            
                -0.80 / -1.34%
             |             
            
                57.00
             |           
            
                59.00
             |               
            
                57.00
             |                           
            
                59.00
             | 
            
                57.96
             |                     
            
                18.35
             |                                 
            
                4,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2017
             | 
            
                0.00 / 0.00%
             |             
            
                59.80
             |           
            
                59.80
             |               
            
                59.80
             |                           
            
                59.80
             | 
            
                59.80
             |                     
            
                18.59
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                59.80
             |           
            
                59.80
             |               
            
                59.80
             |                           
            
                59.80
             | 
            
                59.80
             |                     
            
                18.59
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2017
             | 
            
                -0.20 / -0.33%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.80
             |                           
            
                59.80
             | 
            
                59.92
             |                     
            
                18.59
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                +1.00 / +1.69%
             |             
            
                59.00
             |           
            
                63.10
             |               
            
                59.00
             |                           
            
                60.00
             | 
            
                59.92
             |                     
            
                18.66
             |                                 
            
                2,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                18.35
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2017
             | 
            
                +1.00 / +1.72%
             |             
            
                55.00
             |           
            
                59.00
             |               
            
                55.00
             |                           
            
                59.00
             | 
            
                55.16
             |                     
            
                18.35
             |                                 
            
                2,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2017
             | 
            
                +2.00 / +3.57%
             |             
            
                56.00
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                58.00
             | 
            
                56.35
             |                     
            
                18.03
             |                                 
            
                3,060
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                55.90
             |           
            
                56.00
             |               
            
                55.80
             |                           
            
                56.00
             | 
            
                55.93
             |                     
            
                17.41
             |                                 
            
                1,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2017
             | 
            
                +1.20 / +2.19%
             |             
            
                54.80
             |           
            
                56.00
             |               
            
                54.80
             |                           
            
                56.00
             | 
            
                55.26
             |                     
            
                17.41
             |                                 
            
                1,520
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2017
             | 
            
                +0.30 / +0.55%
             |             
            
                54.80
             |           
            
                55.50
             |               
            
                54.60
             |                           
            
                54.80
             | 
            
                55.13
             |                     
            
                17.04
             |                                 
            
                780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2017
             | 
            
                +0.50 / +0.93%
             |             
            
                54.20
             |           
            
                54.50
             |               
            
                54.20
             |                           
            
                54.50
             | 
            
                54.39
             |                     
            
                16.95
             |                                 
            
                1,140
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2017
             | 
            
                +0.40 / +0.75%
             |             
            
                54.80
             |           
            
                55.00
             |               
            
                51.60
             |                           
            
                54.00
             | 
            
                53.85
             |                     
            
                16.79
             |                                 
            
                90
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2017
             | 
            
                -1.40 / -2.55%
             |             
            
                51.70
             |           
            
                55.80
             |               
            
                51.70
             |                           
            
                53.60
             | 
            
                53.90
             |                     
            
                16.67
             |                                 
            
                3,080
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2017
             | 
            
                -1.70 / -3.00%
             |             
            
                56.90
             |           
            
                57.80
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.42
             |                     
            
                17.10
             |                                 
            
                830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2017
             | 
            
                +1.90 / +3.47%
             |             
            
                54.00
             |           
            
                56.70
             |               
            
                54.00
             |                           
            
                56.70
             | 
            
                55.79
             |                     
            
                17.63
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2017
             | 
            
                -2.10 / -3.69%
             |             
            
                53.20
             |           
            
                54.80
             |               
            
                53.20
             |                           
            
                54.80
             | 
            
                53.53
             |                     
            
                17.04
             |                                 
            
                2,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2017
             | 
            
                +0.90 / +1.61%
             |             
            
                52.10
             |           
            
                57.00
             |               
            
                52.10
             |                           
            
                56.90
             | 
            
                52.43
             |                     
            
                17.69
             |                                 
            
                1,030
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                57.00
             |                     
            
                17.41
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                55.00
             |           
            
                56.00
             |               
            
                53.30
             |                           
            
                56.00
             | 
            
                54.37
             |                     
            
                17.41
             |                                 
            
                3,660
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                56.00
             | 
            
                55.88
             |                     
            
                17.41
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2017
             | 
            
                +1.80 / +3.32%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.50
             |                           
            
                56.00
             | 
            
                55.56
             |                     
            
                17.41
             |                                 
            
                1,260
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2017
             | 
            
                -0.80 / -1.45%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                54.20
             |                           
            
                54.20
             | 
            
                54.50
             |                     
            
                16.85
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |