| 
                 
                    Closing price on 4/25/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.30 | 
                 
                
                    | High | 
                    21.40 | 
                 
                
                    | Low | 
                    21.05 | 
                     
                
                    | Volume | 
                    1,336,530 | 
                                 
                
                    | Split-adjusted Price | 
                    13.93 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/25/2019
             | 
            
                -0.35 / -1.64%
             |             
            
                21.30
             |           
            
                21.40
             |               
            
                21.05
             |                           
            
                21.05
             | 
            
                21.20
             |                     
            
                13.93
             |                                 
            
                1,336,530
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2019
             | 
            
                +0.55 / +2.64%
             |             
            
                21.10
             |           
            
                21.55
             |               
            
                21.00
             |                           
            
                21.40
             | 
            
                21.36
             |                     
            
                14.16
             |                                 
            
                2,446,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2019
             | 
            
                +0.35 / +1.71%
             |             
            
                20.70
             |           
            
                21.20
             |               
            
                20.50
             |                           
            
                20.85
             | 
            
                20.85
             |                     
            
                13.80
             |                                 
            
                2,447,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2019
             | 
            
                -0.30 / -1.44%
             |             
            
                20.80
             |           
            
                21.00
             |               
            
                20.45
             |                           
            
                20.50
             | 
            
                20.62
             |                     
            
                13.57
             |                                 
            
                2,528,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2019
             | 
            
                -0.20 / -0.95%
             |             
            
                21.15
             |           
            
                21.25
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.92
             |                     
            
                13.77
             |                                 
            
                2,009,050
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2019
             | 
            
                -0.45 / -2.10%
             |             
            
                21.35
             |           
            
                21.50
             |               
            
                20.90
             |                           
            
                21.00
             | 
            
                21.15
             |                     
            
                13.90
             |                                 
            
                3,812,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2019
             | 
            
                -0.10 / -0.46%
             |             
            
                21.65
             |           
            
                21.85
             |               
            
                21.45
             |                           
            
                21.45
             | 
            
                21.61
             |                     
            
                14.20
             |                                 
            
                2,306,930
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2019
             | 
            
                -0.30 / -1.37%
             |             
            
                21.60
             |           
            
                21.70
             |               
            
                21.30
             |                           
            
                21.55
             | 
            
                21.49
             |                     
            
                14.26
             |                                 
            
                3,250,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2019
             | 
            
                -0.10 / -0.46%
             |             
            
                21.90
             |           
            
                22.05
             |               
            
                21.85
             |                           
            
                21.85
             | 
            
                21.93
             |                     
            
                14.46
             |                                 
            
                1,535,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2019
             | 
            
                +0.05 / +0.23%
             |             
            
                21.90
             |           
            
                22.25
             |               
            
                21.85
             |                           
            
                21.95
             | 
            
                21.98
             |                     
            
                14.53
             |                                 
            
                2,143,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2019
             | 
            
                -0.25 / -1.13%
             |             
            
                21.90
             |           
            
                22.15
             |               
            
                21.85
             |                           
            
                21.90
             | 
            
                21.96
             |                     
            
                14.50
             |                                 
            
                2,340,010
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2019
             | 
            
                -0.15 / -0.67%
             |             
            
                22.40
             |           
            
                22.60
             |               
            
                22.15
             |                           
            
                22.15
             | 
            
                22.37
             |                     
            
                14.66
             |                                 
            
                3,894,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2019
             | 
            
                +0.40 / +1.83%
             |             
            
                21.90
             |           
            
                22.30
             |               
            
                21.85
             |                           
            
                22.30
             | 
            
                22.11
             |                     
            
                14.76
             |                                 
            
                2,617,240
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2019
             | 
            
                -0.10 / -0.45%
             |             
            
                22.10
             |           
            
                22.25
             |               
            
                21.90
             |                           
            
                21.90
             | 
            
                22.03
             |                     
            
                14.50
             |                                 
            
                2,453,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2019
             | 
            
                +0.20 / +0.92%
             |             
            
                22.10
             |           
            
                22.30
             |               
            
                21.70
             |                           
            
                22.00
             | 
            
                21.97
             |                     
            
                14.56
             |                                 
            
                2,028,650
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2019
             | 
            
                -0.20 / -0.91%
             |             
            
                21.85
             |           
            
                21.95
             |               
            
                21.60
             |                           
            
                21.80
             | 
            
                21.76
             |                     
            
                14.43
             |                                 
            
                5,059,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2019
             | 
            
                -0.25 / -1.12%
             |             
            
                22.50
             |           
            
                22.55
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.22
             |                     
            
                14.56
             |                                 
            
                2,530,940
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2019
             | 
            
                -0.20 / -0.89%
             |             
            
                22.55
             |           
            
                22.55
             |               
            
                22.15
             |                           
            
                22.25
             | 
            
                22.33
             |                     
            
                14.73
             |                                 
            
                2,974,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2019
             | 
            
                -0.20 / -0.88%
             |             
            
                22.75
             |           
            
                22.80
             |               
            
                22.40
             |                           
            
                22.45
             | 
            
                22.64
             |                     
            
                14.86
             |                                 
            
                4,161,570
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2019
             | 
            
                +0.15 / +0.67%
             |             
            
                22.30
             |           
            
                22.75
             |               
            
                22.30
             |                           
            
                22.65
             | 
            
                22.57
             |                     
            
                14.99
             |                                 
            
                2,594,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2019
             | 
            
                +0.15 / +0.67%
             |             
            
                22.50
             |           
            
                22.80
             |               
            
                22.30
             |                           
            
                22.50
             | 
            
                22.59
             |                     
            
                14.89
             |                                 
            
                3,507,730
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2019
             | 
            
                +0.20 / +0.90%
             |             
            
                22.45
             |           
            
                22.65
             |               
            
                22.20
             |                           
            
                22.35
             | 
            
                22.40
             |                     
            
                14.79
             |                                 
            
                3,297,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2019
             | 
            
                -0.35 / -1.56%
             |             
            
                22.00
             |           
            
                22.20
             |               
            
                21.65
             |                           
            
                22.15
             | 
            
                21.98
             |                     
            
                14.66
             |                                 
            
                7,191,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2019
             | 
            
                +0.40 / +1.81%
             |             
            
                22.35
             |           
            
                22.60
             |               
            
                22.05
             |                           
            
                22.50
             | 
            
                22.32
             |                     
            
                14.89
             |                                 
            
                6,275,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2019
             | 
            
                -0.90 / -3.91%
             |             
            
                23.00
             |           
            
                23.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.68
             |                     
            
                14.63
             |                                 
            
                7,177,690
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2019
             | 
            
                -0.10 / -0.43%
             |             
            
                22.90
             |           
            
                23.15
             |               
            
                22.55
             |                           
            
                23.00
             | 
            
                22.89
             |                     
            
                15.22
             |                                 
            
                9,015,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2019
             | 
            
                -0.30 / -1.28%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                22.95
             |                           
            
                23.10
             | 
            
                23.16
             |                     
            
                15.29
             |                                 
            
                7,589,460
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2019
             | 
            
                +0.70 / +3.08%
             |             
            
                22.90
             |           
            
                23.45
             |               
            
                22.85
             |                           
            
                23.40
             | 
            
                23.13
             |                     
            
                15.49
             |                                 
            
                10,114,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2019
             | 
            
                +0.20 / +0.89%
             |             
            
                22.30
             |           
            
                22.90
             |               
            
                22.20
             |                           
            
                22.70
             | 
            
                22.64
             |                     
            
                15.02
             |                                 
            
                8,573,740
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2019
             | 
            
                -0.05 / -0.22%
             |             
            
                22.50
             |           
            
                22.75
             |               
            
                22.35
             |                           
            
                22.50
             | 
            
                22.57
             |                     
            
                14.89
             |                                 
            
                5,263,620
             |  
            
                 
             |                                                              
             
    
         
    
    
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