| 
                 
                    Closing price on 7/2/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    69.50 | 
                 
                
                    | High | 
                    69.50 | 
                 
                
                    | Low | 
                    69.50 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    10.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
OPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                69.50
             |           
            
                69.50
             |               
            
                69.50
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                10.14
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2013
             | 
            
                -0.50 / -0.71%
             |             
            
                69.00
             |           
            
                69.50
             |               
            
                67.00
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                10.14
             |                                 
            
                4,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2013
             | 
            
                +0.50 / +0.72%
             |             
            
                69.50
             |           
            
                70.00
             |               
            
                69.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                3,960
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2013
             | 
            
                +0.50 / +0.72%
             |             
            
                65.00
             |           
            
                69.50
             |               
            
                65.00
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                10.14
             |                                 
            
                4,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                10.06
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                69.50
             |           
            
                69.50
             |               
            
                67.00
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                10.06
             |                                 
            
                2,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                68.00
             |           
            
                69.00
             |               
            
                68.00
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                10.06
             |                                 
            
                210
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                10.06
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2013
             | 
            
                -1.00 / -1.43%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                10.06
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                70.50
             |           
            
                70.50
             |               
            
                67.50
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                4,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2013
             | 
            
                -2.50 / -3.45%
             |             
            
                68.00
             |           
            
                70.00
             |               
            
                68.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2013
             | 
            
                +2.50 / +3.57%
             |             
            
                72.50
             |           
            
                72.50
             |               
            
                72.50
             |                           
            
                72.50
             | 
            
                72.50
             |                     
            
                10.57
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                70.00
             |           
            
                70.00
             |               
            
                70.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                72.00
             |           
            
                74.00
             |               
            
                70.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                69.50
             |           
            
                70.00
             |               
            
                69.50
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                2,230
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                70.00
             |           
            
                70.00
             |               
            
                70.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2013
             | 
            
                -0.50 / -0.71%
             |             
            
                69.50
             |           
            
                70.00
             |               
            
                69.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                9,620
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                68.50
             |           
            
                70.50
             |               
            
                68.50
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                10.28
             |                                 
            
                13,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                69.50
             |           
            
                70.50
             |               
            
                69.00
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                10.28
             |                                 
            
                16,510
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2013
             | 
            
                +0.50 / +0.71%
             |             
            
                68.00
             |           
            
                70.50
             |               
            
                68.00
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                10.28
             |                                 
            
                7,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                69.00
             |           
            
                70.00
             |               
            
                69.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                6,540
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2013
             | 
            
                -1.50 / -2.10%
             |             
            
                70.50
             |           
            
                70.50
             |               
            
                70.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                10.21
             |                                 
            
                9,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2013
             | 
            
                -2.50 / -3.38%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                70.50
             |                           
            
                71.50
             | 
            
                71.50
             |                     
            
                10.43
             |                                 
            
                22,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2013
             | 
            
                +3.00 / +4.23%
             |             
            
                75.50
             |           
            
                75.50
             |               
            
                67.50
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                10.79
             |                                 
            
                15,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2013
             | 
            
                +2.00 / +2.90%
             |             
            
                71.00
             |           
            
                71.00
             |               
            
                69.00
             |                           
            
                71.00
             | 
            
                71.00
             |                     
            
                10.36
             |                                 
            
                19,690
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2013
             | 
            
                -0.50 / -0.72%
             |             
            
                69.50
             |           
            
                69.50
             |               
            
                68.50
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                10.06
             |                                 
            
                27,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2013
             | 
            
                +0.50 / +0.72%
             |             
            
                68.50
             |           
            
                69.50
             |               
            
                68.50
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                10.14
             |                                 
            
                27,720
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                68.50
             |           
            
                69.00
             |               
            
                68.50
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                10.06
             |                                 
            
                9,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2013
             | 
            
                +1.00 / +1.47%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                67.50
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                10.06
             |                                 
            
                6,510
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                67.50
             |           
            
                68.00
             |               
            
                67.00
             |                           
            
                68.00
             | 
            
                68.00
             |                     
            
                9.92
             |                                 
            
                16,880
             |  
            
                 
             |                                                              
             
    
         
    
    
 |