| 
                 
                    Closing price on 7/1/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    37.00 | 
                 
                
                    | High | 
                    37.50 | 
                 
                
                    | Low | 
                    37.00 | 
                     
                
                    | Volume | 
                    11,120 | 
                                 
                
                    | Split-adjusted Price | 
                    11.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
OPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/1/2016
             | 
            
                +0.50 / +1.35%
             |             
            
                37.00
             |           
            
                37.50
             |               
            
                37.00
             |                           
            
                37.50
             | 
            
                37.14
             |                     
            
                11.10
             |                                 
            
                11,120
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2016
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                37.20
             |               
            
                36.50
             |                           
            
                37.00
             | 
            
                37.07
             |                     
            
                10.95
             |                                 
            
                5,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                37.00
             |           
            
                37.10
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.03
             |                     
            
                10.95
             |                                 
            
                8,220
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2016
             | 
            
                0.00 / 0.00%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                10.95
             |                                 
            
                6,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2016
             | 
            
                -0.20 / -0.54%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.90
             |                           
            
                37.00
             | 
            
                36.98
             |                     
            
                10.95
             |                                 
            
                5,150
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2016
             | 
            
                0.00 / 0.00%
             |             
            
                37.20
             |           
            
                37.20
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                11.01
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2016
             | 
            
                +0.30 / +0.81%
             |             
            
                36.00
             |           
            
                37.20
             |               
            
                35.60
             |                           
            
                37.20
             | 
            
                36.56
             |                     
            
                11.01
             |                                 
            
                7,030
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2016
             | 
            
                +0.30 / +0.82%
             |             
            
                36.60
             |           
            
                36.90
             |               
            
                36.60
             |                           
            
                36.90
             | 
            
                36.67
             |                     
            
                10.92
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.60
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                10.83
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2016
             | 
            
                +0.20 / +0.55%
             |             
            
                36.40
             |           
            
                36.60
             |               
            
                36.40
             |                           
            
                36.60
             | 
            
                36.50
             |                     
            
                10.83
             |                                 
            
                1,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2016
             | 
            
                +0.50 / +1.39%
             |             
            
                36.00
             |           
            
                36.40
             |               
            
                36.00
             |                           
            
                36.40
             | 
            
                36.20
             |                     
            
                10.77
             |                                 
            
                180
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2016
             | 
            
                -0.10 / -0.28%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.90
             |                           
            
                35.90
             | 
            
                35.95
             |                     
            
                10.62
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2016
             | 
            
                +0.50 / +1.41%
             |             
            
                35.50
             |           
            
                36.00
             |               
            
                35.50
             |                           
            
                36.00
             | 
            
                35.75
             |                     
            
                10.65
             |                                 
            
                510
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2016
             | 
            
                -0.50 / -1.39%
             |             
            
                35.10
             |           
            
                35.50
             |               
            
                35.10
             |                           
            
                35.50
             | 
            
                35.33
             |                     
            
                10.50
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2016
             | 
            
                -0.80 / -2.17%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                10.65
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2016
             | 
            
                +0.30 / +0.82%
             |             
            
                36.50
             |           
            
                36.80
             |               
            
                35.00
             |                           
            
                36.80
             | 
            
                36.75
             |                     
            
                10.89
             |                                 
            
                1,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2016
             | 
            
                +0.50 / +1.39%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                10.80
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2016
             | 
            
                +0.80 / +2.27%
             |             
            
                35.70
             |           
            
                36.00
             |               
            
                35.70
             |                           
            
                36.00
             | 
            
                35.85
             |                     
            
                10.65
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2016
             | 
            
                +0.20 / +0.57%
             |             
            
                35.00
             |           
            
                35.20
             |               
            
                34.80
             |                           
            
                35.20
             | 
            
                35.01
             |                     
            
                10.42
             |                                 
            
                5,370
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2016
             | 
            
                -0.90 / -2.51%
             |             
            
                35.70
             |           
            
                35.70
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.52
             |                     
            
                10.36
             |                                 
            
                22,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2016
             | 
            
                +0.20 / +0.56%
             |             
            
                35.80
             |           
            
                36.00
             |               
            
                35.80
             |                           
            
                35.90
             | 
            
                35.98
             |                     
            
                10.62
             |                                 
            
                1,640
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2016
             | 
            
                -0.10 / -0.28%
             |             
            
                35.50
             |           
            
                35.70
             |               
            
                35.50
             |                           
            
                35.70
             | 
            
                35.60
             |                     
            
                10.56
             |                                 
            
                1,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2016
             | 
            
                -0.20 / -0.56%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.85
             |                     
            
                10.59
             |                                 
            
                4,770
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2016
             | 
            
                +0.10 / +0.28%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                10.65
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.90
             |           
            
                35.90
             |               
            
                35.50
             |                           
            
                35.90
             | 
            
                35.69
             |                     
            
                10.62
             |                                 
            
                3,250
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2016
             | 
            
                +0.40 / +1.13%
             |             
            
                35.50
             |           
            
                35.90
             |               
            
                35.50
             |                           
            
                35.90
             | 
            
                35.71
             |                     
            
                10.62
             |                                 
            
                560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                10.50
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2016
             | 
            
                -1.50 / -4.05%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                10.50
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2016
             | 
            
                +1.50 / +4.23%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                10.95
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                10.50
             |                                 
            
                50
             |  
            
                 
             |                                                              
             
    
         
    
    
 |