| 
                 
                    Closing price on 12/20/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    28.00 | 
                 
                
                    | High | 
                    28.60 | 
                 
                
                    | Low | 
                    28.00 | 
                     
                
                    | Volume | 
                    776,340 | 
                                 
                
                    | Split-adjusted Price | 
                    13.27 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CHP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/20/2017
             | 
            
                +0.15 / +0.53%
             |             
            
                28.00
             |           
            
                28.60
             |               
            
                28.00
             |                           
            
                28.30
             | 
            
                28.20
             |                     
            
                13.27
             |                                 
            
                776,340
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2017
             | 
            
                -0.80 / -2.76%
             |             
            
                28.95
             |           
            
                28.95
             |               
            
                28.05
             |                           
            
                28.15
             | 
            
                28.35
             |                     
            
                13.20
             |                                 
            
                822,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2017
             | 
            
                -0.35 / -1.19%
             |             
            
                29.30
             |           
            
                29.30
             |               
            
                28.90
             |                           
            
                28.95
             | 
            
                29.04
             |                     
            
                13.58
             |                                 
            
                824,890
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2017
             | 
            
                -0.20 / -0.68%
             |             
            
                29.70
             |           
            
                29.80
             |               
            
                29.00
             |                           
            
                29.30
             | 
            
                29.33
             |                     
            
                13.74
             |                                 
            
                143,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2017
             | 
            
                +0.70 / +2.43%
             |             
            
                28.90
             |           
            
                29.60
             |               
            
                28.85
             |                           
            
                29.50
             | 
            
                29.37
             |                     
            
                13.83
             |                                 
            
                258,180
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2017
             | 
            
                +0.65 / +2.31%
             |             
            
                28.15
             |           
            
                28.80
             |               
            
                28.15
             |                           
            
                28.80
             | 
            
                28.48
             |                     
            
                13.51
             |                                 
            
                289,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2017
             | 
            
                -0.15 / -0.53%
             |             
            
                28.30
             |           
            
                28.30
             |               
            
                26.50
             |                           
            
                28.15
             | 
            
                27.92
             |                     
            
                13.20
             |                                 
            
                96,270
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2017
             | 
            
                +0.70 / +2.54%
             |             
            
                27.70
             |           
            
                28.45
             |               
            
                27.40
             |                           
            
                28.30
             | 
            
                27.96
             |                     
            
                13.27
             |                                 
            
                189,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                27.70
             |           
            
                27.95
             |               
            
                27.45
             |                           
            
                27.60
             | 
            
                27.61
             |                     
            
                12.94
             |                                 
            
                60,050
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.50
             |           
            
                27.60
             |               
            
                27.35
             |                           
            
                27.60
             | 
            
                27.50
             |                     
            
                12.94
             |                                 
            
                28,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                27.70
             |           
            
                27.80
             |               
            
                27.30
             |                           
            
                27.50
             | 
            
                27.52
             |                     
            
                12.90
             |                                 
            
                58,360
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2017
             | 
            
                -0.20 / -0.72%
             |             
            
                27.70
             |           
            
                27.70
             |               
            
                27.50
             |                           
            
                27.50
             | 
            
                27.61
             |                     
            
                12.90
             |                                 
            
                112,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2017
             | 
            
                -0.10 / -0.36%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                27.60
             |                           
            
                27.70
             | 
            
                27.76
             |                     
            
                12.99
             |                                 
            
                87,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2017
             | 
            
                +0.55 / +2.02%
             |             
            
                27.70
             |           
            
                27.90
             |               
            
                27.50
             |                           
            
                27.80
             | 
            
                27.77
             |                     
            
                13.04
             |                                 
            
                115,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2017
             | 
            
                -0.25 / -0.91%
             |             
            
                27.50
             |           
            
                27.55
             |               
            
                27.20
             |                           
            
                27.25
             | 
            
                27.46
             |                     
            
                12.78
             |                                 
            
                48,450
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2017
             | 
            
                +0.65 / +2.42%
             |             
            
                26.85
             |           
            
                27.50
             |               
            
                26.80
             |                           
            
                27.50
             | 
            
                27.06
             |                     
            
                12.90
             |                                 
            
                47,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2017
             | 
            
                -0.15 / -0.56%
             |             
            
                27.00
             |           
            
                27.10
             |               
            
                26.70
             |                           
            
                26.85
             | 
            
                26.83
             |                     
            
                12.59
             |                                 
            
                51,650
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                +0.30 / +1.12%
             |             
            
                27.45
             |           
            
                27.45
             |               
            
                26.80
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                12.66
             |                                 
            
                59,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2017
             | 
            
                +0.30 / +1.14%
             |             
            
                26.20
             |           
            
                26.70
             |               
            
                26.10
             |                           
            
                26.70
             | 
            
                26.35
             |                     
            
                12.52
             |                                 
            
                59,590
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2017
             | 
            
                -0.30 / -1.12%
             |             
            
                26.70
             |           
            
                26.80
             |               
            
                26.10
             |                           
            
                26.40
             | 
            
                26.36
             |                     
            
                12.38
             |                                 
            
                130,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2017
             | 
            
                -0.15 / -0.56%
             |             
            
                26.50
             |           
            
                27.00
             |               
            
                26.30
             |                           
            
                26.70
             | 
            
                26.56
             |                     
            
                12.52
             |                                 
            
                151,680
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2017
             | 
            
                -0.70 / -2.54%
             |             
            
                27.55
             |           
            
                27.55
             |               
            
                26.85
             |                           
            
                26.85
             | 
            
                27.03
             |                     
            
                12.59
             |                                 
            
                189,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2017
             | 
            
                -0.55 / -1.96%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                27.55
             | 
            
                27.68
             |                     
            
                12.92
             |                                 
            
                76,730
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2017
             | 
            
                -0.45 / -1.58%
             |             
            
                28.55
             |           
            
                28.60
             |               
            
                28.10
             |                           
            
                28.10
             | 
            
                28.25
             |                     
            
                13.18
             |                                 
            
                68,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2017
             | 
            
                +0.25 / +0.88%
             |             
            
                28.50
             |           
            
                28.80
             |               
            
                28.15
             |                           
            
                28.55
             | 
            
                28.44
             |                     
            
                13.39
             |                                 
            
                56,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2017
             | 
            
                -0.30 / -1.05%
             |             
            
                28.70
             |           
            
                28.70
             |               
            
                28.30
             |                           
            
                28.30
             | 
            
                28.44
             |                     
            
                13.27
             |                                 
            
                34,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2017
             | 
            
                +0.50 / +1.78%
             |             
            
                27.95
             |           
            
                29.00
             |               
            
                27.95
             |                           
            
                28.60
             | 
            
                28.30
             |                     
            
                13.41
             |                                 
            
                213,780
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2017
             | 
            
                -0.05 / -0.18%
             |             
            
                28.15
             |           
            
                28.30
             |               
            
                27.95
             |                           
            
                28.10
             | 
            
                28.03
             |                     
            
                13.18
             |                                 
            
                94,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2017
             | 
            
                -0.35 / -1.23%
             |             
            
                28.20
             |           
            
                28.60
             |               
            
                28.15
             |                           
            
                28.15
             | 
            
                28.31
             |                     
            
                13.20
             |                                 
            
                58,320
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2017
             | 
            
                +0.60 / +2.15%
             |             
            
                27.85
             |           
            
                29.00
             |               
            
                27.70
             |                           
            
                28.50
             | 
            
                28.43
             |                     
            
                13.37
             |                                 
            
                281,580
             |  
            
                 
             |                                                              
             
    
         
    
    
 |