| 
                 
                    Closing price on 7/27/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.25 | 
                 
                
                    | High | 
                    19.50 | 
                 
                
                    | Low | 
                    19.20 | 
                     
                
                    | Volume | 
                    2,048,880 | 
                                 
                
                    | Split-adjusted Price | 
                    12.31 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/27/2017
             | 
            
                -0.15 / -0.77%
             |             
            
                19.25
             |           
            
                19.50
             |               
            
                19.20
             |                           
            
                19.30
             | 
            
                19.31
             |                     
            
                12.31
             |                                 
            
                2,048,880
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2017
             | 
            
                +0.35 / +1.83%
             |             
            
                19.25
             |           
            
                19.65
             |               
            
                19.10
             |                           
            
                19.45
             | 
            
                19.37
             |                     
            
                12.41
             |                                 
            
                2,675,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2017
             | 
            
                +0.50 / +2.69%
             |             
            
                18.70
             |           
            
                19.10
             |               
            
                18.70
             |                           
            
                19.10
             | 
            
                18.90
             |                     
            
                12.19
             |                                 
            
                1,281,570
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                18.60
             |           
            
                18.75
             |               
            
                18.50
             |                           
            
                18.60
             | 
            
                18.63
             |                     
            
                11.87
             |                                 
            
                902,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2017
             | 
            
                -0.40 / -2.11%
             |             
            
                19.00
             |           
            
                19.25
             |               
            
                18.60
             |                           
            
                18.60
             | 
            
                19.03
             |                     
            
                11.87
             |                                 
            
                2,133,150
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2017
             | 
            
                +0.10 / +0.53%
             |             
            
                18.90
             |           
            
                19.00
             |               
            
                18.55
             |                           
            
                19.00
             | 
            
                18.72
             |                     
            
                12.12
             |                                 
            
                2,005,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2017
             | 
            
                +0.30 / +1.61%
             |             
            
                18.85
             |           
            
                18.90
             |               
            
                18.70
             |                           
            
                18.90
             | 
            
                18.82
             |                     
            
                12.06
             |                                 
            
                2,365,320
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2017
             | 
            
                -0.20 / -1.06%
             |             
            
                18.80
             |           
            
                19.00
             |               
            
                18.60
             |                           
            
                18.60
             | 
            
                18.80
             |                     
            
                11.87
             |                                 
            
                2,511,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2017
             | 
            
                -0.55 / -2.84%
             |             
            
                19.35
             |           
            
                19.40
             |               
            
                18.60
             |                           
            
                18.80
             | 
            
                18.91
             |                     
            
                12.00
             |                                 
            
                2,636,590
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2017
             | 
            
                -0.35 / -1.78%
             |             
            
                19.70
             |           
            
                19.80
             |               
            
                19.30
             |                           
            
                19.35
             | 
            
                19.43
             |                     
            
                12.35
             |                                 
            
                1,404,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2017
             | 
            
                +0.20 / +1.03%
             |             
            
                19.60
             |           
            
                19.70
             |               
            
                19.30
             |                           
            
                19.70
             | 
            
                19.47
             |                     
            
                12.57
             |                                 
            
                2,514,010
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2017
             | 
            
                -0.10 / -0.51%
             |             
            
                19.70
             |           
            
                19.70
             |               
            
                19.30
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                12.44
             |                                 
            
                840,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                19.60
             |           
            
                19.70
             |               
            
                19.20
             |                           
            
                19.60
             | 
            
                19.50
             |                     
            
                12.51
             |                                 
            
                1,143,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2017
             | 
            
                -0.30 / -1.51%
             |             
            
                19.90
             |           
            
                20.10
             |               
            
                18.80
             |                           
            
                19.60
             | 
            
                19.62
             |                     
            
                12.51
             |                                 
            
                2,705,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2017
             | 
            
                -0.35 / -1.73%
             |             
            
                20.35
             |           
            
                20.50
             |               
            
                19.90
             |                           
            
                19.90
             | 
            
                20.19
             |                     
            
                12.70
             |                                 
            
                1,865,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2017
             | 
            
                -0.15 / -0.74%
             |             
            
                20.40
             |           
            
                20.50
             |               
            
                20.25
             |                           
            
                20.25
             | 
            
                20.32
             |                     
            
                12.92
             |                                 
            
                1,707,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2017
             | 
            
                +0.05 / +0.25%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.25
             |                           
            
                20.40
             | 
            
                20.35
             |                     
            
                13.02
             |                                 
            
                1,219,470
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2017
             | 
            
                -0.30 / -1.45%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.25
             |                           
            
                20.35
             | 
            
                20.38
             |                     
            
                12.98
             |                                 
            
                809,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2017
             | 
            
                +0.40 / +1.98%
             |             
            
                20.30
             |           
            
                20.65
             |               
            
                20.20
             |                           
            
                20.65
             | 
            
                20.45
             |                     
            
                13.18
             |                                 
            
                2,640,680
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2017
             | 
            
                +0.10 / +0.50%
             |             
            
                20.20
             |           
            
                20.25
             |               
            
                20.10
             |                           
            
                20.25
             | 
            
                20.18
             |                     
            
                12.92
             |                                 
            
                860,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                20.00
             |           
            
                20.50
             |               
            
                20.00
             |                           
            
                20.15
             | 
            
                20.31
             |                     
            
                12.86
             |                                 
            
                1,575,240
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2017
             | 
            
                +0.15 / +0.75%
             |             
            
                20.10
             |           
            
                20.20
             |               
            
                19.70
             |                           
            
                20.15
             | 
            
                20.00
             |                     
            
                12.86
             |                                 
            
                1,401,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2017
             | 
            
                -0.25 / -1.23%
             |             
            
                20.30
             |           
            
                20.40
             |               
            
                20.00
             |                           
            
                20.00
             | 
            
                20.22
             |                     
            
                12.76
             |                                 
            
                1,575,230
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2017
             | 
            
                +0.25 / +1.25%
             |             
            
                19.95
             |           
            
                20.55
             |               
            
                19.95
             |                           
            
                20.25
             | 
            
                20.26
             |                     
            
                12.92
             |                                 
            
                1,328,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2017
             | 
            
                +0.05 / +0.25%
             |             
            
                19.90
             |           
            
                20.00
             |               
            
                19.65
             |                           
            
                20.00
             | 
            
                19.84
             |                     
            
                12.76
             |                                 
            
                1,541,710
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2017
             | 
            
                -0.30 / -1.48%
             |             
            
                20.30
             |           
            
                20.45
             |               
            
                19.95
             |                           
            
                19.95
             | 
            
                20.18
             |                     
            
                12.73
             |                                 
            
                2,389,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2017
             | 
            
                -0.65 / -3.11%
             |             
            
                20.90
             |           
            
                20.90
             |               
            
                19.90
             |                           
            
                20.25
             | 
            
                20.35
             |                     
            
                12.92
             |                                 
            
                3,222,380
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2017
             | 
            
                +0.20 / +0.97%
             |             
            
                20.90
             |           
            
                20.95
             |               
            
                20.65
             |                           
            
                20.90
             | 
            
                20.81
             |                     
            
                13.34
             |                                 
            
                2,517,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2017
             | 
            
                +0.30 / +1.47%
             |             
            
                20.55
             |           
            
                20.80
             |               
            
                20.40
             |                           
            
                20.70
             | 
            
                20.53
             |                     
            
                13.21
             |                                 
            
                1,643,050
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2017
             | 
            
                -0.05 / -0.24%
             |             
            
                20.25
             |           
            
                20.60
             |               
            
                20.25
             |                           
            
                20.40
             | 
            
                20.46
             |                     
            
                13.02
             |                                 
            
                1,050,090
             |  
            
                 
             |                                                              
             
    
         
    
    
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