| 
                 
                    Closing price on 8/31/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.70 | 
                 
                
                    | High | 
                    26.20 | 
                 
                
                    | Low | 
                    25.20 | 
                     
                
                    | Volume | 
                    7,876,520 | 
                                 
                
                    | Split-adjusted Price | 
                    17.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/31/2020
             | 
            
                +0.60 / +2.39%
             |             
            
                25.70
             |           
            
                26.20
             |               
            
                25.20
             |                           
            
                25.70
             | 
            
                25.85
             |                     
            
                17.01
             |                                 
            
                7,876,520
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2020
             | 
            
                +0.35 / +1.41%
             |             
            
                24.90
             |           
            
                25.40
             |               
            
                24.80
             |                           
            
                25.10
             | 
            
                25.06
             |                     
            
                16.61
             |                                 
            
                35,579,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2020
             | 
            
                +0.05 / +0.20%
             |             
            
                24.60
             |           
            
                25.05
             |               
            
                24.60
             |                           
            
                24.75
             | 
            
                24.86
             |                     
            
                16.38
             |                                 
            
                3,085,280
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2020
             | 
            
                0.00 / 0.00%
             |             
            
                24.50
             |           
            
                25.10
             |               
            
                24.45
             |                           
            
                24.70
             | 
            
                24.77
             |                     
            
                16.35
             |                                 
            
                7,596,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2020
             | 
            
                +0.30 / +1.23%
             |             
            
                24.55
             |           
            
                24.85
             |               
            
                24.40
             |                           
            
                24.70
             | 
            
                24.63
             |                     
            
                16.35
             |                                 
            
                5,226,350
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2020
             | 
            
                +0.10 / +0.41%
             |             
            
                24.70
             |           
            
                24.80
             |               
            
                24.40
             |                           
            
                24.40
             | 
            
                24.62
             |                     
            
                16.15
             |                                 
            
                6,907,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2020
             | 
            
                +1.00 / +4.29%
             |             
            
                23.50
             |           
            
                24.40
             |               
            
                23.50
             |                           
            
                24.30
             | 
            
                24.07
             |                     
            
                16.08
             |                                 
            
                9,637,820
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                23.40
             |           
            
                23.55
             |               
            
                23.25
             |                           
            
                23.30
             | 
            
                23.40
             |                     
            
                15.42
             |                                 
            
                4,233,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2020
             | 
            
                +0.10 / +0.43%
             |             
            
                23.20
             |           
            
                23.50
             |               
            
                23.15
             |                           
            
                23.30
             | 
            
                23.32
             |                     
            
                15.42
             |                                 
            
                2,560,050
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2020
             | 
            
                -0.30 / -1.28%
             |             
            
                23.50
             |           
            
                23.55
             |               
            
                23.10
             |                           
            
                23.20
             | 
            
                23.36
             |                     
            
                15.36
             |                                 
            
                2,771,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2020
             | 
            
                0.00 / 0.00%
             |             
            
                23.25
             |           
            
                23.55
             |               
            
                23.15
             |                           
            
                23.50
             | 
            
                23.35
             |                     
            
                15.55
             |                                 
            
                2,921,140
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2020
             | 
            
                -0.25 / -1.05%
             |             
            
                23.65
             |           
            
                23.85
             |               
            
                23.25
             |                           
            
                23.50
             | 
            
                23.60
             |                     
            
                15.55
             |                                 
            
                5,438,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2020
             | 
            
                +0.35 / +1.50%
             |             
            
                23.80
             |           
            
                23.90
             |               
            
                23.70
             |                           
            
                23.75
             | 
            
                23.79
             |                     
            
                15.72
             |                                 
            
                5,131,270
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2020
             | 
            
                +0.20 / +0.86%
             |             
            
                23.30
             |           
            
                23.80
             |               
            
                23.20
             |                           
            
                23.40
             | 
            
                23.47
             |                     
            
                15.49
             |                                 
            
                4,384,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2020
             | 
            
                +0.40 / +1.75%
             |             
            
                23.25
             |           
            
                23.30
             |               
            
                22.80
             |                           
            
                23.20
             | 
            
                23.08
             |                     
            
                15.36
             |                                 
            
                3,873,130
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2020
             | 
            
                +0.05 / +0.22%
             |             
            
                23.10
             |           
            
                23.40
             |               
            
                22.80
             |                           
            
                22.80
             | 
            
                23.14
             |                     
            
                15.09
             |                                 
            
                4,070,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2020
             | 
            
                +0.35 / +1.56%
             |             
            
                22.60
             |           
            
                22.90
             |               
            
                22.45
             |                           
            
                22.75
             | 
            
                22.68
             |                     
            
                15.06
             |                                 
            
                3,870,640
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2020
             | 
            
                -0.25 / -1.10%
             |             
            
                22.65
             |           
            
                22.80
             |               
            
                22.35
             |                           
            
                22.40
             | 
            
                22.54
             |                     
            
                14.83
             |                                 
            
                2,929,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2020
             | 
            
                +0.60 / +2.72%
             |             
            
                22.10
             |           
            
                22.70
             |               
            
                22.00
             |                           
            
                22.65
             | 
            
                22.42
             |                     
            
                14.99
             |                                 
            
                5,015,550
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2020
             | 
            
                +0.30 / +1.38%
             |             
            
                22.10
             |           
            
                22.30
             |               
            
                21.90
             |                           
            
                22.05
             | 
            
                22.08
             |                     
            
                14.59
             |                                 
            
                3,115,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2020
             | 
            
                +0.55 / +2.59%
             |             
            
                21.20
             |           
            
                21.80
             |               
            
                21.15
             |                           
            
                21.75
             | 
            
                21.66
             |                     
            
                14.40
             |                                 
            
                2,762,490
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2020
             | 
            
                -0.15 / -0.70%
             |             
            
                21.00
             |           
            
                21.50
             |               
            
                20.90
             |                           
            
                21.20
             | 
            
                21.22
             |                     
            
                14.03
             |                                 
            
                2,928,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2020
             | 
            
                +0.50 / +2.40%
             |             
            
                21.05
             |           
            
                21.45
             |               
            
                21.00
             |                           
            
                21.35
             | 
            
                21.28
             |                     
            
                14.13
             |                                 
            
                2,574,820
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2020
             | 
            
                -0.85 / -3.92%
             |             
            
                21.20
             |           
            
                21.30
             |               
            
                20.40
             |                           
            
                20.85
             | 
            
                20.83
             |                     
            
                13.80
             |                                 
            
                4,708,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2020
             | 
            
                +1.00 / +4.83%
             |             
            
                21.15
             |           
            
                21.80
             |               
            
                21.00
             |                           
            
                21.70
             | 
            
                21.38
             |                     
            
                14.36
             |                                 
            
                4,278,520
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2020
             | 
            
                -1.55 / -6.97%
             |             
            
                21.30
             |           
            
                21.90
             |               
            
                20.70
             |                           
            
                20.70
             | 
            
                21.17
             |                     
            
                13.70
             |                                 
            
                7,635,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2020
             | 
            
                -1.10 / -4.71%
             |             
            
                23.05
             |           
            
                23.25
             |               
            
                21.80
             |                           
            
                22.25
             | 
            
                22.58
             |                     
            
                14.73
             |                                 
            
                8,650,420
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2020
             | 
            
                0.00 / 0.00%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.00
             |                           
            
                23.35
             | 
            
                23.22
             |                     
            
                15.46
             |                                 
            
                2,989,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2020
             | 
            
                -0.50 / -2.10%
             |             
            
                23.95
             |           
            
                23.95
             |               
            
                23.35
             |                           
            
                23.35
             | 
            
                23.67
             |                     
            
                15.46
             |                                 
            
                2,763,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2020
             | 
            
                +0.05 / +0.21%
             |             
            
                23.90
             |           
            
                23.95
             |               
            
                23.45
             |                           
            
                23.85
             | 
            
                23.65
             |                     
            
                15.79
             |                                 
            
                2,745,180
             |  
            
                 
             |                                                              
             
    
         
    
    
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