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                    Closing price on 8/7/2018
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        |           
                
                    | Open | 27.15 |  
                    | High | 27.30 |  
                    | Low | 26.50 |  
                    | Volume | 272,170 |  
                    | Split-adjusted Price | 15.23 |  
                
             | 
 |  NT2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/7/2018 | -0.60 / -2.21% | 27.15 | 27.30 | 26.50 | 26.50 | 27.07 | 15.23 | 272,170 |   |  
            | 8/6/2018 | -0.10 / -0.37% | 27.30 | 27.40 | 27.00 | 27.10 | 27.12 | 15.58 | 205,970 |   |  			
            | 8/3/2018 | +0.25 / +0.93% | 27.00 | 27.30 | 26.85 | 27.20 | 27.06 | 15.63 | 153,020 |   |  
            | 8/2/2018 | -0.05 / -0.19% | 26.80 | 27.10 | 26.75 | 26.95 | 26.96 | 15.49 | 123,820 |   |  			
            | 8/1/2018 | -0.15 / -0.55% | 27.20 | 27.20 | 26.90 | 27.00 | 26.99 | 15.52 | 210,060 |   |  
            | 7/31/2018 | +0.05 / +0.18% | 27.30 | 27.30 | 26.90 | 27.15 | 27.11 | 15.61 | 368,840 |   |  			
            | 7/30/2018 | +0.50 / +1.88% | 26.65 | 27.10 | 26.65 | 27.10 | 27.00 | 15.58 | 405,040 |   |  
            | 7/27/2018 | +0.20 / +0.76% | 26.40 | 26.70 | 26.15 | 26.60 | 26.51 | 15.29 | 227,840 |   |  			
            | 7/26/2018 | +0.20 / +0.76% | 26.10 | 26.40 | 26.00 | 26.40 | 26.15 | 15.17 | 294,030 |   |  
            | 7/25/2018 | -0.05 / -0.19% | 26.10 | 26.45 | 26.00 | 26.20 | 26.19 | 15.06 | 167,650 |   |  			
            | 7/24/2018 | -0.70 / -2.60% | 26.95 | 26.95 | 26.00 | 26.25 | 26.19 | 15.09 | 211,970 |   |  
            | 7/23/2018 | +0.95 / +3.65% | 26.00 | 26.95 | 26.00 | 26.95 | 26.41 | 15.49 | 344,980 |   |  			
            | 7/20/2018 | -0.65 / -2.44% | 26.65 | 26.65 | 26.00 | 26.00 | 26.24 | 14.94 | 404,320 |   |  
            | 7/19/2018 | -0.15 / -0.56% | 26.80 | 27.20 | 26.50 | 26.65 | 26.68 | 15.32 | 1,764,609 |   |  			
            | 7/18/2018 | +0.45 / +1.71% | 26.25 | 27.10 | 26.20 | 26.80 | 26.63 | 15.40 | 293,940 |   |  
            | 7/17/2018 | -0.15 / -0.57% | 26.50 | 26.50 | 26.20 | 26.35 | 26.39 | 15.15 | 215,290 |   |  			
            | 7/16/2018 | +0.15 / +0.57% | 26.30 | 26.50 | 26.00 | 26.50 | 26.23 | 15.23 | 189,900 |   |  
            | 7/13/2018 | -3.45 / -11.58% | 27.00 | 27.25 | 26.30 | 26.35 | 26.64 | 15.15 | 353,600 |   |  			
            | 7/12/2018 | -0.40 / -1.32% | 30.20 | 30.20 | 29.60 | 29.80 | 29.92 | 15.52 | 791,450 |   |  
            | 7/11/2018 | -0.10 / -0.33% | 30.30 | 30.30 | 30.00 | 30.20 | 30.19 | 15.73 | 397,030 |   |  			
            | 7/10/2018 | +0.40 / +1.34% | 29.95 | 30.35 | 29.80 | 30.30 | 30.10 | 15.78 | 965,140 |   |  
            | 7/9/2018 | +0.30 / +1.01% | 30.00 | 30.20 | 29.80 | 29.90 | 29.93 | 15.58 | 234,860 |   |  			
            | 7/6/2018 | +0.20 / +0.68% | 29.50 | 29.70 | 29.30 | 29.60 | 29.53 | 15.42 | 204,920 |   |  
            | 7/5/2018 | -0.90 / -2.97% | 30.00 | 30.10 | 29.40 | 29.40 | 29.73 | 15.32 | 512,890 |   |  			
            | 7/4/2018 | +1.40 / +4.84% | 29.15 | 30.30 | 28.90 | 30.30 | 29.49 | 15.78 | 263,010 |   |  
            | 7/3/2018 | -0.20 / -0.69% | 29.20 | 29.20 | 28.60 | 28.90 | 28.87 | 15.05 | 679,010 |   |  			
            | 7/2/2018 | 0.00 / 0.00% | 29.20 | 29.25 | 28.50 | 29.10 | 28.98 | 15.16 | 275,120 |   |  
            | 6/29/2018 | -0.20 / -0.68% | 29.10 | 29.40 | 28.95 | 29.10 | 29.04 | 15.16 | 358,000 |   |  			
            | 6/28/2018 | -0.35 / -1.18% | 29.50 | 29.60 | 29.00 | 29.30 | 29.27 | 15.26 | 180,550 |   |  
            | 6/27/2018 | 0.00 / 0.00% | 29.55 | 29.80 | 29.40 | 29.65 | 29.72 | 15.45 | 259,940 |   |  |