| 
                 
                    Closing price on 5/20/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.20 | 
                 
                
                    | Low | 
                    8.10 | 
                     
                
                    | Volume | 
                    27,100 | 
                                 
                
                    | Split-adjusted Price | 
                    5.16 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/20/2019
             | 
            
                -0.30 / -3.57%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.17
             |                     
            
                5.16
             |                                 
            
                27,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                5.35
             |                                 
            
                22,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                5.35
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                5.35
             |                                 
            
                28,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2019
             | 
            
                -0.20 / -2.33%
             |             
            
                8.00
             |           
            
                8.40
             |               
            
                8.00
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                5.35
             |                                 
            
                653,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                5.48
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                5.48
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2019
             | 
            
                +0.70 / +8.86%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                5.48
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                5.03
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.84
             |                     
            
                5.03
             |                                 
            
                4,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.79
             |                     
            
                5.03
             |                                 
            
                53,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2019
             | 
            
                +0.20 / +2.60%
             |             
            
                7.70
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.71
             |                     
            
                5.03
             |                                 
            
                29,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2019
             | 
            
                -0.20 / -2.53%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.71
             |                     
            
                4.90
             |                                 
            
                17,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.74
             |                     
            
                5.03
             |                                 
            
                25,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.81
             |                     
            
                5.03
             |                                 
            
                34,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2019
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.83
             |                     
            
                5.03
             |                                 
            
                124,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2019
             | 
            
                +0.10 / +1.27%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                7.80
             |                     
            
                5.10
             |                                 
            
                94,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2019
             | 
            
                +0.20 / +2.60%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.94
             |                     
            
                5.03
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2019
             | 
            
                -0.10 / -1.28%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.75
             |                     
            
                4.90
             |                                 
            
                24,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.70
             |                     
            
                4.97
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.71
             |                     
            
                4.97
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                4.97
             |                                 
            
                10,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2019
             | 
            
                +0.10 / +1.30%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.71
             |                     
            
                4.97
             |                                 
            
                12,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                4.90
             |                                 
            
                5,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                4.90
             |                                 
            
                12,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                4.90
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2019
             | 
            
                -0.10 / -1.28%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.53
             |                     
            
                4.90
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2019
             | 
            
                +0.30 / +4.00%
             |             
            
                7.50
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.80
             | 
            
                7.53
             |                     
            
                4.97
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2019
             | 
            
                +0.40 / +5.63%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.41
             |                     
            
                4.78
             |                                 
            
                13,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.14
             |                     
            
                4.52
             |                                 
            
                9,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |