| 
                 
                    Closing price on 2/19/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    35.00 | 
                 
                
                    | High | 
                    35.00 | 
                 
                
                    | Low | 
                    34.80 | 
                     
                
                    | Volume | 
                    910 | 
                                 
                
                    | Split-adjusted Price | 
                    10.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
OPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/19/2016
             | 
            
                +0.20 / +0.58%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.80
             |                           
            
                34.80
             | 
            
                34.90
             |                     
            
                10.30
             |                                 
            
                910
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2016
             | 
            
                -0.40 / -1.14%
             |             
            
                34.50
             |           
            
                35.00
             |               
            
                33.50
             |                           
            
                34.60
             | 
            
                34.11
             |                     
            
                10.24
             |                                 
            
                3,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.00
             |                           
            
                35.00
             | 
            
                34.62
             |                     
            
                10.36
             |                                 
            
                260
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2016
             | 
            
                -0.40 / -1.13%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                10.36
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2016
             | 
            
                +0.40 / +1.14%
             |             
            
                35.70
             |           
            
                35.70
             |               
            
                35.40
             |                           
            
                35.40
             | 
            
                35.55
             |                     
            
                10.18
             |                                 
            
                1,060
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2016
             | 
            
                +1.00 / +2.94%
             |             
            
                34.20
             |           
            
                35.00
             |               
            
                34.20
             |                           
            
                35.00
             | 
            
                34.60
             |                     
            
                10.06
             |                                 
            
                560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                9.78
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2016
             | 
            
                -1.00 / -2.86%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                9.78
             |                                 
            
                650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2016
             | 
            
                +0.10 / +0.29%
             |             
            
                34.90
             |           
            
                35.50
             |               
            
                34.90
             |                           
            
                35.00
             | 
            
                35.03
             |                     
            
                10.06
             |                                 
            
                1,570
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |