| 
                 
                    Closing price on 11/27/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.25 | 
                 
                
                    | High | 
                    23.50 | 
                 
                
                    | Low | 
                    23.15 | 
                     
                
                    | Volume | 
                    4,642,950 | 
                                 
                
                    | Split-adjusted Price | 
                    15.49 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                23.25
             |           
            
                23.50
             |               
            
                23.15
             |                           
            
                23.40
             | 
            
                23.32
             |                     
            
                15.49
             |                                 
            
                4,642,950
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2017
             | 
            
                -0.30 / -1.27%
             |             
            
                23.20
             |           
            
                24.00
             |               
            
                23.20
             |                           
            
                23.40
             | 
            
                23.45
             |                     
            
                15.49
             |                                 
            
                6,313,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2017
             | 
            
                +1.05 / +4.64%
             |             
            
                23.10
             |           
            
                24.10
             |               
            
                22.80
             |                           
            
                23.70
             | 
            
                23.49
             |                     
            
                15.69
             |                                 
            
                5,086,910
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2017
             | 
            
                +1.45 / +6.84%
             |             
            
                21.30
             |           
            
                22.65
             |               
            
                21.25
             |                           
            
                22.65
             | 
            
                21.98
             |                     
            
                14.99
             |                                 
            
                4,631,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2017
             | 
            
                +0.40 / +1.92%
             |             
            
                21.00
             |           
            
                21.60
             |               
            
                20.90
             |                           
            
                21.20
             | 
            
                21.21
             |                     
            
                14.03
             |                                 
            
                5,114,360
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2017
             | 
            
                +0.20 / +0.97%
             |             
            
                20.70
             |           
            
                20.95
             |               
            
                20.60
             |                           
            
                20.80
             | 
            
                20.76
             |                     
            
                13.77
             |                                 
            
                1,718,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2017
             | 
            
                -0.40 / -1.90%
             |             
            
                21.10
             |           
            
                21.20
             |               
            
                20.55
             |                           
            
                20.60
             | 
            
                20.86
             |                     
            
                13.63
             |                                 
            
                3,202,730
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2017
             | 
            
                +0.20 / +0.96%
             |             
            
                20.70
             |           
            
                21.00
             |               
            
                20.70
             |                           
            
                21.00
             | 
            
                20.85
             |                     
            
                13.90
             |                                 
            
                3,985,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2017
             | 
            
                -0.10 / -0.48%
             |             
            
                20.80
             |           
            
                20.90
             |               
            
                20.65
             |                           
            
                20.80
             | 
            
                20.76
             |                     
            
                13.77
             |                                 
            
                2,457,390
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2017
             | 
            
                +0.50 / +2.45%
             |             
            
                20.45
             |           
            
                21.00
             |               
            
                20.40
             |                           
            
                20.90
             | 
            
                20.69
             |                     
            
                13.83
             |                                 
            
                2,725,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                20.60
             |           
            
                20.60
             |               
            
                20.25
             |                           
            
                20.40
             | 
            
                20.43
             |                     
            
                13.50
             |                                 
            
                3,290,510
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2017
             | 
            
                +0.70 / +3.55%
             |             
            
                19.80
             |           
            
                20.60
             |               
            
                19.60
             |                           
            
                20.40
             | 
            
                20.18
             |                     
            
                13.50
             |                                 
            
                5,156,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2017
             | 
            
                -0.20 / -1.01%
             |             
            
                19.90
             |           
            
                19.95
             |               
            
                19.55
             |                           
            
                19.70
             | 
            
                19.73
             |                     
            
                13.04
             |                                 
            
                1,963,570
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2017
             | 
            
                +0.40 / +2.05%
             |             
            
                19.40
             |           
            
                20.00
             |               
            
                19.40
             |                           
            
                19.90
             | 
            
                19.79
             |                     
            
                13.17
             |                                 
            
                4,446,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2017
             | 
            
                +0.10 / +0.52%
             |             
            
                19.30
             |           
            
                19.75
             |               
            
                19.30
             |                           
            
                19.50
             | 
            
                19.59
             |                     
            
                12.91
             |                                 
            
                3,253,350
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2017
             | 
            
                +0.65 / +3.47%
             |             
            
                18.95
             |           
            
                19.40
             |               
            
                18.75
             |                           
            
                19.40
             | 
            
                19.22
             |                     
            
                12.84
             |                                 
            
                2,844,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2017
             | 
            
                +0.25 / +1.35%
             |             
            
                18.50
             |           
            
                18.75
             |               
            
                18.40
             |                           
            
                18.75
             | 
            
                18.49
             |                     
            
                12.41
             |                                 
            
                1,198,240
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2017
             | 
            
                -0.30 / -1.60%
             |             
            
                18.85
             |           
            
                19.10
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.83
             |                     
            
                12.24
             |                                 
            
                1,611,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2017
             | 
            
                +0.05 / +0.27%
             |             
            
                18.75
             |           
            
                18.95
             |               
            
                18.70
             |                           
            
                18.80
             | 
            
                18.81
             |                     
            
                12.44
             |                                 
            
                933,680
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2017
             | 
            
                -0.20 / -1.06%
             |             
            
                18.90
             |           
            
                19.00
             |               
            
                18.75
             |                           
            
                18.75
             | 
            
                18.85
             |                     
            
                12.41
             |                                 
            
                1,028,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2017
             | 
            
                -0.15 / -0.79%
             |             
            
                19.25
             |           
            
                19.40
             |               
            
                18.95
             |                           
            
                18.95
             | 
            
                19.22
             |                     
            
                12.54
             |                                 
            
                2,570,310
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2017
             | 
            
                +0.30 / +1.60%
             |             
            
                18.75
             |           
            
                19.10
             |               
            
                18.75
             |                           
            
                19.10
             | 
            
                18.91
             |                     
            
                12.64
             |                                 
            
                1,257,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2017
             | 
            
                -0.30 / -1.57%
             |             
            
                19.15
             |           
            
                19.15
             |               
            
                18.80
             |                           
            
                18.80
             | 
            
                18.98
             |                     
            
                12.44
             |                                 
            
                1,467,560
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2017
             | 
            
                +0.25 / +1.33%
             |             
            
                18.95
             |           
            
                19.15
             |               
            
                18.85
             |                           
            
                19.10
             | 
            
                18.99
             |                     
            
                12.64
             |                                 
            
                1,485,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2017
             | 
            
                -0.10 / -0.53%
             |             
            
                18.80
             |           
            
                19.05
             |               
            
                18.80
             |                           
            
                18.85
             | 
            
                18.90
             |                     
            
                12.48
             |                                 
            
                1,014,950
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2017
             | 
            
                -0.50 / -2.57%
             |             
            
                19.45
             |           
            
                19.65
             |               
            
                18.90
             |                           
            
                18.95
             | 
            
                19.16
             |                     
            
                12.54
             |                                 
            
                2,228,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2017
             | 
            
                -0.05 / -0.26%
             |             
            
                19.45
             |           
            
                19.65
             |               
            
                19.30
             |                           
            
                19.45
             | 
            
                19.52
             |                     
            
                12.87
             |                                 
            
                1,836,340
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                19.50
             |           
            
                19.60
             |               
            
                19.35
             |                           
            
                19.50
             | 
            
                19.49
             |                     
            
                12.91
             |                                 
            
                1,418,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2017
             | 
            
                +0.10 / +0.52%
             |             
            
                19.60
             |           
            
                19.85
             |               
            
                19.40
             |                           
            
                19.50
             | 
            
                19.63
             |                     
            
                12.91
             |                                 
            
                3,926,670
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2017
             | 
            
                +0.25 / +1.31%
             |             
            
                19.10
             |           
            
                19.45
             |               
            
                19.10
             |                           
            
                19.40
             | 
            
                19.30
             |                     
            
                12.84
             |                                 
            
                3,127,020
             |  
            
                 
             |                                                              
             
    
         
    
    
 | 
					 
				  |