| 
                 
                    Closing price on 5/29/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    62.50 | 
                 
                
                    | High | 
                    62.50 | 
                 
                
                    | Low | 
                    61.50 | 
                     
                
                    | Volume | 
                    55,960 | 
                                 
                
                    | Split-adjusted Price | 
                    17.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/29/2015
             | 
            
                -1.00 / -1.60%
             |             
            
                62.50
             |           
            
                62.50
             |               
            
                61.50
             |                           
            
                61.50
             | 
            
                62.04
             |                     
            
                17.24
             |                                 
            
                55,960
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2015
             | 
            
                +1.00 / +1.63%
             |             
            
                61.50
             |           
            
                62.50
             |               
            
                61.50
             |                           
            
                62.50
             | 
            
                62.13
             |                     
            
                17.52
             |                                 
            
                40,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2015
             | 
            
                -2.00 / -3.15%
             |             
            
                62.00
             |           
            
                63.00
             |               
            
                61.50
             |                           
            
                61.50
             | 
            
                62.06
             |                     
            
                17.24
             |                                 
            
                38,130
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2015
             | 
            
                +0.50 / +0.79%
             |             
            
                62.50
             |           
            
                63.50
             |               
            
                62.50
             |                           
            
                63.50
             | 
            
                63.16
             |                     
            
                17.80
             |                                 
            
                73,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2015
             | 
            
                -0.50 / -0.79%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                62.50
             |                           
            
                63.00
             | 
            
                63.07
             |                     
            
                17.66
             |                                 
            
                42,730
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2015
             | 
            
                +1.00 / +1.60%
             |             
            
                63.00
             |           
            
                63.50
             |               
            
                62.00
             |                           
            
                63.50
             | 
            
                63.22
             |                     
            
                17.80
             |                                 
            
                82,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2015
             | 
            
                +1.50 / +2.46%
             |             
            
                63.50
             |           
            
                64.00
             |               
            
                61.50
             |                           
            
                62.50
             | 
            
                62.39
             |                     
            
                17.52
             |                                 
            
                71,330
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2015
             | 
            
                +1.00 / +1.67%
             |             
            
                59.50
             |           
            
                61.00
             |               
            
                59.00
             |                           
            
                61.00
             | 
            
                60.23
             |                     
            
                17.10
             |                                 
            
                76,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2015
             | 
            
                0.00 / 0.00%
             |             
            
                59.50
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                60.00
             | 
            
                59.50
             |                     
            
                16.82
             |                                 
            
                5,160
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2015
             | 
            
                +0.50 / +0.84%
             |             
            
                57.50
             |           
            
                60.00
             |               
            
                57.50
             |                           
            
                60.00
             | 
            
                59.30
             |                     
            
                16.82
             |                                 
            
                20,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2015
             | 
            
                -0.50 / -0.83%
             |             
            
                59.50
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.50
             | 
            
                59.72
             |                     
            
                16.68
             |                                 
            
                13,630
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                58.50
             |           
            
                60.00
             |               
            
                58.50
             |                           
            
                60.00
             | 
            
                59.62
             |                     
            
                16.82
             |                                 
            
                10,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                58.50
             |           
            
                60.00
             |               
            
                58.50
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                16.82
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                58.00
             |                           
            
                60.00
             | 
            
                59.06
             |                     
            
                16.82
             |                                 
            
                11,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2015
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.50
             |                           
            
                60.00
             | 
            
                59.88
             |                     
            
                16.82
             |                                 
            
                10,330
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2015
             | 
            
                -0.50 / -0.83%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                59.50
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                16.82
             |                                 
            
                13,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2015
             | 
            
                +0.50 / +0.83%
             |             
            
                59.50
             |           
            
                60.50
             |               
            
                59.50
             |                           
            
                60.50
             | 
            
                60.00
             |                     
            
                16.96
             |                                 
            
                19,210
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2015
             | 
            
                0.00 / 0.00%
             |             
            
                59.50
             |           
            
                60.00
             |               
            
                59.50
             |                           
            
                60.00
             | 
            
                59.88
             |                     
            
                16.82
             |                                 
            
                17,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2015
             | 
            
                +0.50 / +0.84%
             |             
            
                58.50
             |           
            
                61.00
             |               
            
                58.50
             |                           
            
                60.00
             | 
            
                59.40
             |                     
            
                16.82
             |                                 
            
                37,120
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2015
             | 
            
                -1.00 / -1.65%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                59.50
             |                           
            
                59.50
             | 
            
                60.06
             |                     
            
                16.68
             |                                 
            
                43,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                60.00
             |                           
            
                60.50
             | 
            
                60.35
             |                     
            
                16.96
             |                                 
            
                23,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                60.50
             |               
            
                60.00
             |                           
            
                60.50
             | 
            
                60.41
             |                     
            
                16.96
             |                                 
            
                16,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2015
             | 
            
                0.00 / 0.00%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                60.50
             |                           
            
                60.50
             | 
            
                60.59
             |                     
            
                16.96
             |                                 
            
                16,950
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2015
             | 
            
                -0.50 / -0.82%
             |             
            
                60.50
             |           
            
                61.00
             |               
            
                60.50
             |                           
            
                60.50
             | 
            
                60.56
             |                     
            
                16.96
             |                                 
            
                14,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2015
             | 
            
                +0.50 / +0.83%
             |             
            
                60.00
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                61.00
             | 
            
                60.31
             |                     
            
                17.10
             |                                 
            
                22,250
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2015
             | 
            
                +0.50 / +0.83%
             |             
            
                60.00
             |           
            
                60.50
             |               
            
                60.00
             |                           
            
                60.50
             | 
            
                60.03
             |                     
            
                16.96
             |                                 
            
                24,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2015
             | 
            
                -1.00 / -1.64%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.06
             |                     
            
                16.82
             |                                 
            
                49,170
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2015
             | 
            
                0.00 / 0.00%
             |             
            
                60.50
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                61.00
             | 
            
                60.53
             |                     
            
                17.10
             |                                 
            
                19,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2015
             | 
            
                +0.50 / +0.83%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                60.50
             |                           
            
                61.00
             | 
            
                60.55
             |                     
            
                17.10
             |                                 
            
                14,450
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2015
             | 
            
                +0.50 / +0.83%
             |             
            
                59.50
             |           
            
                60.50
             |               
            
                59.50
             |                           
            
                60.50
             | 
            
                60.02
             |                     
            
                16.96
             |                                 
            
                115,090
             |  
            
                 
             |                                                              
             
    
         
    
    
 |