| 
                 
                    Closing price on 4/22/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.00 | 
                 
                
                    | High | 
                    20.90 | 
                 
                
                    | Low | 
                    19.90 | 
                     
                
                    | Volume | 
                    63,700 | 
                                 
                
                    | Split-adjusted Price | 
                    11.36 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/22/2019
             | 
            
                -0.50 / -2.44%
             |             
            
                20.00
             |           
            
                20.90
             |               
            
                19.90
             |                           
            
                20.00
             | 
            
                20.17
             |                     
            
                11.36
             |                                 
            
                63,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2019
             | 
            
                +0.30 / +1.44%
             |             
            
                20.40
             |           
            
                21.10
             |               
            
                20.40
             |                           
            
                21.10
             | 
            
                20.46
             |                     
            
                11.99
             |                                 
            
                996,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2019
             | 
            
                +0.20 / +0.97%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                20.20
             |                           
            
                20.80
             | 
            
                20.30
             |                     
            
                11.82
             |                                 
            
                19,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2019
             | 
            
                0.00 / 0.00%
             |             
            
                21.50
             |           
            
                21.50
             |               
            
                20.50
             |                           
            
                20.60
             | 
            
                20.89
             |                     
            
                11.70
             |                                 
            
                24,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2019
             | 
            
                -0.50 / -2.37%
             |             
            
                20.80
             |           
            
                22.00
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                21.59
             |                     
            
                11.70
             |                                 
            
                19,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2019
             | 
            
                +1.20 / +5.83%
             |             
            
                20.60
             |           
            
                21.80
             |               
            
                20.60
             |                           
            
                21.80
             | 
            
                21.09
             |                     
            
                12.39
             |                                 
            
                32,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2019
             | 
            
                -0.80 / -3.74%
             |             
            
                21.80
             |           
            
                22.00
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                21.62
             |                     
            
                11.70
             |                                 
            
                18,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2019
             | 
            
                0.00 / 0.00%
             |             
            
                22.50
             |           
            
                22.80
             |               
            
                20.10
             |                           
            
                21.40
             | 
            
                21.03
             |                     
            
                12.16
             |                                 
            
                75,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                22.50
             |           
            
                23.00
             |               
            
                21.40
             |                           
            
                21.40
             | 
            
                21.85
             |                     
            
                12.16
             |                                 
            
                27,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2019
             | 
            
                -0.50 / -2.28%
             |             
            
                22.70
             |           
            
                22.70
             |               
            
                21.40
             |                           
            
                21.40
             | 
            
                21.60
             |                     
            
                12.16
             |                                 
            
                20,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2019
             | 
            
                -0.20 / -0.91%
             |             
            
                21.90
             |           
            
                22.80
             |               
            
                21.80
             |                           
            
                21.80
             | 
            
                21.92
             |                     
            
                12.39
             |                                 
            
                37,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2019
             | 
            
                +0.20 / +0.92%
             |             
            
                21.80
             |           
            
                22.00
             |               
            
                21.70
             |                           
            
                22.00
             | 
            
                21.83
             |                     
            
                12.50
             |                                 
            
                53,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                21.80
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                12.39
             |                                 
            
                41,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2019
             | 
            
                -0.10 / -0.46%
             |             
            
                22.40
             |           
            
                22.40
             |               
            
                21.60
             |                           
            
                21.80
             | 
            
                21.78
             |                     
            
                12.39
             |                                 
            
                39,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2019
             | 
            
                -0.10 / -0.45%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.70
             |                           
            
                21.90
             | 
            
                21.81
             |                     
            
                12.44
             |                                 
            
                27,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2019
             | 
            
                -0.20 / -0.89%
             |             
            
                21.20
             |           
            
                22.30
             |               
            
                21.20
             |                           
            
                22.30
             | 
            
                21.97
             |                     
            
                12.67
             |                                 
            
                33,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2019
             | 
            
                +0.20 / +0.90%
             |             
            
                22.80
             |           
            
                22.90
             |               
            
                21.30
             |                           
            
                22.50
             | 
            
                22.29
             |                     
            
                12.78
             |                                 
            
                3,524,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2019
             | 
            
                +0.50 / +2.29%
             |             
            
                22.50
             |           
            
                22.60
             |               
            
                21.90
             |                           
            
                22.30
             | 
            
                22.22
             |                     
            
                12.67
             |                                 
            
                15,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2019
             | 
            
                -0.50 / -2.24%
             |             
            
                22.00
             |           
            
                22.70
             |               
            
                21.80
             |                           
            
                21.80
             | 
            
                22.11
             |                     
            
                12.39
             |                                 
            
                48,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2019
             | 
            
                -1.20 / -5.11%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.53
             |                     
            
                12.67
             |                                 
            
                23,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2019
             | 
            
                +0.30 / +1.28%
             |             
            
                23.30
             |           
            
                23.90
             |               
            
                22.50
             |                           
            
                23.80
             | 
            
                23.45
             |                     
            
                13.52
             |                                 
            
                92,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2019
             | 
            
                +1.20 / +5.38%
             |             
            
                22.40
             |           
            
                24.60
             |               
            
                22.40
             |                           
            
                23.50
             | 
            
                23.90
             |                     
            
                13.35
             |                                 
            
                164,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2019
             | 
            
                -0.90 / -3.88%
             |             
            
                23.00
             |           
            
                23.10
             |               
            
                22.10
             |                           
            
                22.30
             | 
            
                22.50
             |                     
            
                12.67
             |                                 
            
                135,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2019
             | 
            
                -0.70 / -2.93%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                23.00
             |                           
            
                23.20
             | 
            
                23.32
             |                     
            
                13.18
             |                                 
            
                106,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2019
             | 
            
                -0.30 / -1.24%
             |             
            
                24.20
             |           
            
                24.20
             |               
            
                23.40
             |                           
            
                23.90
             | 
            
                23.76
             |                     
            
                13.58
             |                                 
            
                176,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2019
             | 
            
                +1.10 / +4.78%
             |             
            
                23.90
             |           
            
                24.90
             |               
            
                23.30
             |                           
            
                24.10
             | 
            
                24.18
             |                     
            
                13.69
             |                                 
            
                456,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2019
             | 
            
                +1.20 / +5.50%
             |             
            
                22.30
             |           
            
                23.30
             |               
            
                22.30
             |                           
            
                23.00
             | 
            
                22.64
             |                     
            
                13.07
             |                                 
            
                365,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2019
             | 
            
                +1.10 / +5.31%
             |             
            
                20.70
             |           
            
                21.80
             |               
            
                20.70
             |                           
            
                21.80
             | 
            
                21.24
             |                     
            
                12.39
             |                                 
            
                91,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2019
             | 
            
                +0.90 / +4.55%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.70
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                11.76
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2019
             | 
            
                +0.30 / +1.54%
             |             
            
                19.80
             |           
            
                19.80
             |               
            
                19.80
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                11.25
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |