| 
                 
                    Closing price on 2/22/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    24.00 | 
                 
                
                    | High | 
                    24.30 | 
                 
                
                    | Low | 
                    24.00 | 
                     
                
                    | Volume | 
                    61,310 | 
                                 
                
                    | Split-adjusted Price | 
                    13.64 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.30
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.05
             |                     
            
                13.64
             |                                 
            
                61,310
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2018
             | 
            
                +0.30 / +1.27%
             |             
            
                24.00
             |           
            
                24.50
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.05
             |                     
            
                13.64
             |                                 
            
                28,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                23.00
             |           
            
                24.00
             |               
            
                23.00
             |                           
            
                24.00
             | 
            
                23.69
             |                     
            
                13.64
             |                                 
            
                52,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2018
             | 
            
                +1.80 / +8.11%
             |             
            
                22.20
             |           
            
                24.00
             |               
            
                22.00
             |                           
            
                24.00
             | 
            
                22.13
             |                     
            
                13.64
             |                                 
            
                111,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2018
             | 
            
                -0.60 / -2.63%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                21.00
             |                           
            
                22.20
             | 
            
                22.24
             |                     
            
                12.61
             |                                 
            
                207,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                22.80
             |           
            
                23.00
             |               
            
                22.80
             |                           
            
                22.80
             | 
            
                22.83
             |                     
            
                12.95
             |                                 
            
                367,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2018
             | 
            
                -0.20 / -0.87%
             |             
            
                23.00
             |           
            
                23.10
             |               
            
                22.80
             |                           
            
                22.80
             | 
            
                22.82
             |                     
            
                12.95
             |                                 
            
                291,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2018
             | 
            
                -0.30 / -1.29%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                22.00
             |                           
            
                23.00
             | 
            
                22.84
             |                     
            
                13.07
             |                                 
            
                101,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2018
             | 
            
                -0.30 / -1.27%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                23.64
             |                     
            
                13.24
             |                                 
            
                225,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                23.50
             |           
            
                24.00
             |               
            
                23.30
             |                           
            
                24.00
             | 
            
                23.58
             |                     
            
                13.64
             |                                 
            
                18,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2018
             | 
            
                -0.80 / -3.23%
             |             
            
                24.70
             |           
            
                24.90
             |               
            
                23.80
             |                           
            
                24.00
             | 
            
                24.20
             |                     
            
                13.64
             |                                 
            
                283,530
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2018
             | 
            
                -0.20 / -0.80%
             |             
            
                25.10
             |           
            
                25.10
             |               
            
                24.80
             |                           
            
                24.80
             | 
            
                24.90
             |                     
            
                14.09
             |                                 
            
                844,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2018
             | 
            
                -0.20 / -0.79%
             |             
            
                25.10
             |           
            
                25.30
             |               
            
                24.90
             |                           
            
                25.00
             | 
            
                25.03
             |                     
            
                14.20
             |                                 
            
                137,821
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2018
             | 
            
                -0.30 / -1.18%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.10
             |                           
            
                25.20
             | 
            
                25.32
             |                     
            
                14.32
             |                                 
            
                153,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2018
             | 
            
                +1.30 / +5.20%
             |             
            
                25.00
             |           
            
                26.90
             |               
            
                25.00
             |                           
            
                26.30
             | 
            
                25.51
             |                     
            
                14.94
             |                                 
            
                113,119
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2018
             | 
            
                +0.30 / +1.21%
             |             
            
                25.00
             |           
            
                25.50
             |               
            
                24.50
             |                           
            
                25.00
             | 
            
                24.91
             |                     
            
                14.20
             |                                 
            
                432,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2018
             | 
            
                +0.20 / +0.82%
             |             
            
                24.60
             |           
            
                25.00
             |               
            
                24.50
             |                           
            
                24.70
             | 
            
                24.79
             |                     
            
                14.03
             |                                 
            
                241,430
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2018
             | 
            
                -0.50 / -2.00%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.76
             |                     
            
                13.92
             |                                 
            
                505,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2018
             | 
            
                -0.40 / -1.57%
             |             
            
                25.30
             |           
            
                25.50
             |               
            
                24.90
             |                           
            
                25.00
             | 
            
                25.07
             |                     
            
                14.20
             |                                 
            
                176,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2018
             | 
            
                -0.30 / -1.19%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.41
             |                     
            
                14.20
             |                                 
            
                64,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2018
             | 
            
                -0.60 / -2.32%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                25.10
             |                           
            
                25.30
             | 
            
                25.45
             |                     
            
                14.37
             |                                 
            
                64,510
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2018
             | 
            
                -0.90 / -3.36%
             |             
            
                26.80
             |           
            
                27.00
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                26.14
             |                     
            
                14.72
             |                                 
            
                136,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2018
             | 
            
                -0.60 / -2.19%
             |             
            
                27.00
             |           
            
                27.50
             |               
            
                26.80
             |                           
            
                26.80
             | 
            
                27.01
             |                     
            
                15.23
             |                                 
            
                43,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2018
             | 
            
                +0.20 / +0.74%
             |             
            
                27.10
             |           
            
                27.40
             |               
            
                26.90
             |                           
            
                27.40
             | 
            
                26.99
             |                     
            
                15.57
             |                                 
            
                34,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2018
             | 
            
                -0.20 / -0.73%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                27.10
             |                           
            
                27.10
             | 
            
                27.23
             |                     
            
                15.40
             |                                 
            
                22,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2018
             | 
            
                -0.20 / -0.73%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                27.20
             |                           
            
                27.30
             | 
            
                27.41
             |                     
            
                15.51
             |                                 
            
                14,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2018
             | 
            
                +0.20 / +0.73%
             |             
            
                27.20
             |           
            
                27.50
             |               
            
                27.20
             |                           
            
                27.50
             | 
            
                27.49
             |                     
            
                15.62
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2018
             | 
            
                -0.50 / -1.80%
             |             
            
                27.80
             |           
            
                27.80
             |               
            
                27.30
             |                           
            
                27.30
             | 
            
                27.45
             |                     
            
                15.51
             |                                 
            
                15,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2018
             | 
            
                +0.10 / +0.36%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                27.80
             |                           
            
                27.80
             | 
            
                27.81
             |                     
            
                15.80
             |                                 
            
                63,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                27.80
             |           
            
                27.80
             |               
            
                27.50
             |                           
            
                27.80
             | 
            
                27.69
             |                     
            
                15.80
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |