| 
                 
                    Closing price on 2/1/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    34.90 | 
                 
                
                    | High | 
                    34.90 | 
                 
                
                    | Low | 
                    34.90 | 
                     
                
                    | Volume | 
                    230 | 
                                 
                
                    | Split-adjusted Price | 
                    10.04 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
OPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                10.04
             |                                 
            
                230
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2016
             | 
            
                +1.80 / +5.44%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                10.04
             |                                 
            
                510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2016
             | 
            
                +1.10 / +3.44%
             |             
            
                32.00
             |           
            
                34.20
             |               
            
                32.00
             |                           
            
                33.10
             | 
            
                33.87
             |                     
            
                9.52
             |                                 
            
                4,380
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2016
             | 
            
                0.00 / 0.00%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                9.20
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2016
             | 
            
                -1.00 / -3.03%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                31.00
             |                           
            
                32.00
             | 
            
                32.08
             |                     
            
                9.20
             |                                 
            
                2,140
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2016
             | 
            
                -1.00 / -2.94%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.15
             |                     
            
                9.49
             |                                 
            
                3,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                33.00
             |           
            
                34.00
             |               
            
                33.00
             |                           
            
                34.00
             | 
            
                33.83
             |                     
            
                9.78
             |                                 
            
                60
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.10
             |           
            
                34.20
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                9.78
             |                                 
            
                2,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2016
             | 
            
                +0.50 / +1.49%
             |             
            
                33.00
             |           
            
                34.00
             |               
            
                33.00
             |                           
            
                34.00
             | 
            
                33.27
             |                     
            
                9.78
             |                                 
            
                1,120
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2016
             | 
            
                +0.50 / +1.52%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                33.50
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                9.63
             |                                 
            
                150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2016
             | 
            
                +0.60 / +1.85%
             |             
            
                32.40
             |           
            
                33.00
             |               
            
                32.40
             |                           
            
                33.00
             | 
            
                32.58
             |                     
            
                9.49
             |                                 
            
                1,660
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2016
             | 
            
                0.00 / 0.00%
             |             
            
                32.40
             |           
            
                32.40
             |               
            
                32.40
             |                           
            
                32.40
             | 
            
                32.40
             |                     
            
                9.32
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2016
             | 
            
                0.00 / 0.00%
             |             
            
                32.40
             |           
            
                32.40
             |               
            
                32.40
             |                           
            
                32.40
             | 
            
                32.40
             |                     
            
                9.32
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2016
             | 
            
                +1.40 / +4.52%
             |             
            
                31.50
             |           
            
                32.40
             |               
            
                31.50
             |                           
            
                32.40
             | 
            
                31.95
             |                     
            
                9.32
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2016
             | 
            
                -1.00 / -3.13%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                8.91
             |                                 
            
                50
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2016
             | 
            
                -1.90 / -5.60%
             |             
            
                33.90
             |           
            
                33.90
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.95
             |                     
            
                9.20
             |                                 
            
                140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2016
             | 
            
                -0.10 / -0.29%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.90
             |                           
            
                33.90
             | 
            
                33.95
             |                     
            
                9.75
             |                                 
            
                1,260
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.00
             |           
            
                34.80
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.19
             |                     
            
                9.78
             |                                 
            
                5,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2016
             | 
            
                -0.90 / -2.58%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                9.78
             |                                 
            
                470
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2016
             | 
            
                -0.10 / -0.29%
             |             
            
                34.80
             |           
            
                34.90
             |               
            
                34.00
             |                           
            
                34.90
             | 
            
                34.09
             |                     
            
                10.04
             |                                 
            
                310,766
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                10.06
             |                                 
            
                2,310
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2015
             | 
            
                +0.10 / +0.29%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.90
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                10.06
             |                                 
            
                20,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2015
             | 
            
                +0.30 / +0.87%
             |             
            
                34.80
             |           
            
                35.00
             |               
            
                34.80
             |                           
            
                34.90
             | 
            
                34.88
             |                     
            
                10.04
             |                                 
            
                1,370
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2015
             | 
            
                +0.10 / +0.29%
             |             
            
                34.50
             |           
            
                34.60
             |               
            
                34.50
             |                           
            
                34.60
             | 
            
                34.55
             |                     
            
                9.95
             |                                 
            
                930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2015
             | 
            
                +0.50 / +1.47%
             |             
            
                31.70
             |           
            
                34.80
             |               
            
                31.70
             |                           
            
                34.50
             | 
            
                34.00
             |                     
            
                9.92
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2015
             | 
            
                -1.00 / -2.86%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                33.90
             |                           
            
                34.00
             | 
            
                34.57
             |                     
            
                9.78
             |                                 
            
                21,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                10.06
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2015
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.50
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.26
             |                     
            
                10.06
             |                                 
            
                18,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.12
             |                     
            
                10.06
             |                                 
            
                130
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2015
             | 
            
                +0.50 / +1.45%
             |             
            
                35.00
             |           
            
                35.50
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.14
             |                     
            
                10.06
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |