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                    Closing price on 5/28/2018
                 |  |  
    
        |           
                
                    | Open | 31.60 |  
                    | High | 31.60 |  
                    | Low | 29.40 |  
                    | Volume | 140,560 |  
                    | Split-adjusted Price | 23.94 |  
                
             | 
 |  CTI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/28/2018 | -1.30 / -4.11% | 31.60 | 31.60 | 29.40 | 30.30 | 30.50 | 23.94 | 140,560 |   |  
            | 5/25/2018 | -0.20 / -0.63% | 31.60 | 32.00 | 31.00 | 31.60 | 31.66 | 24.96 | 161,770 |   |  			
            | 5/24/2018 | +0.40 / +1.27% | 31.10 | 31.80 | 29.25 | 31.80 | 31.18 | 25.12 | 117,830 |   |  
            | 5/23/2018 | +0.40 / +1.29% | 31.00 | 32.10 | 30.85 | 31.40 | 31.35 | 24.81 | 229,430 |   |  			
            | 5/22/2018 | -0.70 / -2.21% | 31.60 | 32.00 | 30.90 | 31.00 | 31.46 | 24.49 | 388,170 |   |  
            | 5/21/2018 | -0.70 / -2.16% | 32.20 | 32.40 | 31.60 | 31.70 | 31.81 | 25.04 | 126,170 |   |  			
            | 5/18/2018 | -0.10 / -0.31% | 32.20 | 32.70 | 32.00 | 32.40 | 32.24 | 25.60 | 181,650 |   |  
            | 5/17/2018 | -0.65 / -1.96% | 32.90 | 33.15 | 32.00 | 32.50 | 32.72 | 25.67 | 189,990 |   |  			
            | 5/16/2018 | -0.85 / -2.50% | 34.00 | 34.00 | 32.80 | 33.15 | 33.20 | 26.19 | 132,270 |   |  
            | 5/15/2018 | +0.60 / +1.80% | 33.30 | 34.20 | 32.50 | 34.00 | 33.26 | 26.86 | 169,900 |   |  			
            | 5/14/2018 | +1.60 / +5.03% | 31.70 | 34.00 | 31.55 | 33.40 | 32.41 | 26.39 | 230,330 |   |  
            | 5/11/2018 | +0.70 / +2.25% | 31.10 | 31.80 | 30.90 | 31.80 | 31.18 | 25.12 | 156,090 |   |  			
            | 5/10/2018 | -0.60 / -1.89% | 31.50 | 31.55 | 30.00 | 31.10 | 30.85 | 24.57 | 88,790 |   |  
            | 5/9/2018 | -1.30 / -3.94% | 32.60 | 32.60 | 31.40 | 31.70 | 31.88 | 25.04 | 95,830 |   |  			
            | 5/8/2018 | +0.50 / +1.54% | 32.45 | 33.10 | 32.30 | 33.00 | 32.69 | 26.07 | 130,590 |   |  
            | 5/7/2018 | +0.50 / +1.56% | 31.90 | 32.70 | 31.90 | 32.50 | 32.33 | 25.67 | 156,410 |   |  			
            | 5/4/2018 | +1.00 / +3.23% | 31.10 | 32.30 | 31.05 | 32.00 | 31.72 | 25.28 | 237,520 |   |  
            | 5/3/2018 | -0.60 / -1.90% | 31.00 | 31.30 | 30.00 | 31.00 | 30.85 | 24.49 | 350,810 |   |  			
            | 5/2/2018 | -0.20 / -0.63% | 31.70 | 31.85 | 31.30 | 31.60 | 31.69 | 24.96 | 129,680 |   |  
            | 4/27/2018 | -0.20 / -0.63% | 31.90 | 31.90 | 30.10 | 31.80 | 31.83 | 25.12 | 507,180 |   |  			
            | 4/26/2018 | -1.50 / -4.48% | 33.60 | 33.60 | 31.90 | 32.00 | 33.03 | 25.28 | 141,850 |   |  
            | 4/24/2018 | +1.30 / +4.04% | 32.00 | 33.60 | 31.90 | 33.50 | 32.89 | 26.46 | 171,500 |   |  			
            | 4/23/2018 | -1.20 / -3.59% | 33.40 | 33.50 | 31.50 | 32.20 | 32.96 | 25.44 | 209,280 |   |  
            | 4/20/2018 | +0.10 / +0.30% | 33.35 | 33.70 | 32.30 | 33.40 | 33.21 | 26.39 | 132,020 |   |  			
            | 4/19/2018 | -0.70 / -2.06% | 34.05 | 34.10 | 32.50 | 33.30 | 33.73 | 26.31 | 166,760 |   |  
            | 4/18/2018 | -0.10 / -0.29% | 34.10 | 34.40 | 33.20 | 34.00 | 33.99 | 26.86 | 310,990 |   |  			
            | 4/17/2018 | +0.30 / +0.89% | 33.70 | 34.10 | 33.30 | 34.10 | 33.62 | 26.94 | 219,670 |   |  
            | 4/16/2018 | 0.00 / 0.00% | 33.90 | 34.05 | 33.30 | 33.80 | 33.75 | 26.70 | 351,750 |   |  			
            | 4/13/2018 | -2.10 / -5.85% | 35.80 | 36.45 | 33.70 | 33.80 | 35.61 | 26.70 | 503,890 |   |  
            | 4/12/2018 | +0.60 / +1.70% | 35.50 | 35.90 | 35.05 | 35.90 | 35.57 | 28.36 | 419,770 |   |  |