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                    Closing price on 10/4/2016
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        |           
                
                    | Open | 37.60 |  
                    | High | 38.40 |  
                    | Low | 37.35 |  
                    | Volume | 634,060 |  
                    | Split-adjusted Price | 16.45 |  
                
             | 
 |  NT2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/4/2016 | +0.50 / +1.35% | 37.60 | 38.40 | 37.35 | 37.60 | 37.80 | 16.45 | 634,060 |   |  
            | 10/3/2016 | -0.80 / -2.11% | 37.80 | 38.00 | 37.10 | 37.10 | 37.48 | 16.24 | 314,700 |   |  			
            | 9/30/2016 | -0.60 / -1.56% | 38.50 | 38.50 | 37.80 | 37.90 | 38.26 | 16.59 | 571,830 |   |  
            | 9/29/2016 | +0.90 / +2.39% | 37.50 | 38.60 | 37.50 | 38.50 | 38.17 | 16.85 | 699,330 |   |  			
            | 9/28/2016 | +0.20 / +0.53% | 37.50 | 37.80 | 37.20 | 37.60 | 37.57 | 16.45 | 468,660 |   |  
            | 9/27/2016 | +0.40 / +1.08% | 37.00 | 37.45 | 36.70 | 37.40 | 37.16 | 16.37 | 545,500 |   |  			
            | 9/26/2016 | +0.40 / +1.09% | 36.65 | 37.30 | 36.45 | 37.00 | 36.94 | 16.19 | 552,680 |   |  
            | 9/23/2016 | 0.00 / 0.00% | 36.60 | 37.20 | 36.40 | 36.60 | 36.70 | 16.02 | 901,180 |   |  			
            | 9/22/2016 | +1.00 / +2.81% | 35.70 | 36.90 | 35.65 | 36.60 | 36.13 | 16.02 | 1,287,880 |   |  
            | 9/21/2016 | +0.60 / +1.71% | 35.00 | 35.60 | 34.80 | 35.60 | 35.33 | 15.58 | 791,620 |   |  			
            | 9/20/2016 | +0.15 / +0.43% | 34.80 | 35.10 | 34.50 | 35.00 | 34.77 | 15.32 | 435,540 |   |  
            | 9/19/2016 | +0.85 / +2.50% | 34.70 | 34.90 | 34.60 | 34.85 | 34.78 | 15.25 | 480,460 |   |  			
            | 9/16/2016 | -1.25 / -3.55% | 35.00 | 35.00 | 34.00 | 34.00 | 34.14 | 14.88 | 2,574,380 |   |  
            | 9/15/2016 | -0.25 / -0.70% | 35.50 | 35.60 | 33.55 | 35.25 | 34.80 | 15.43 | 912,380 |   |  			
            | 9/14/2016 | +0.40 / +1.14% | 35.10 | 35.60 | 34.90 | 35.50 | 35.47 | 15.54 | 567,190 |   |  
            | 9/13/2016 | +0.10 / +0.29% | 35.10 | 35.20 | 34.80 | 35.10 | 35.09 | 15.36 | 296,300 |   |  			
            | 9/12/2016 | -0.10 / -0.28% | 35.00 | 35.10 | 34.70 | 35.00 | 34.87 | 15.32 | 379,700 |   |  
            | 9/9/2016 | -0.10 / -0.28% | 35.30 | 35.30 | 34.70 | 35.10 | 35.00 | 15.36 | 512,330 |   |  			
            | 9/8/2016 | +0.50 / +1.44% | 34.60 | 35.20 | 34.60 | 35.20 | 35.05 | 15.40 | 580,930 |   |  
            | 9/7/2016 | +0.20 / +0.58% | 34.50 | 34.80 | 34.30 | 34.70 | 34.45 | 15.19 | 263,950 |   |  			
            | 9/6/2016 | +0.20 / +0.58% | 34.30 | 34.80 | 34.30 | 34.50 | 34.59 | 15.10 | 340,160 |   |  
            | 9/5/2016 | -0.60 / -1.72% | 34.90 | 34.90 | 34.30 | 34.30 | 34.54 | 15.01 | 457,370 |   |  			
            | 9/1/2016 | -0.70 / -1.97% | 35.60 | 35.60 | 34.90 | 34.90 | 35.06 | 15.27 | 360,540 |   |  
            | 8/31/2016 | -0.20 / -0.56% | 35.80 | 35.90 | 35.50 | 35.60 | 35.70 | 15.58 | 796,360 |   |  			
            | 8/30/2016 | +0.90 / +2.58% | 34.90 | 35.80 | 34.90 | 35.80 | 35.41 | 15.67 | 855,590 |   |  
            | 8/29/2016 | -0.10 / -0.29% | 35.00 | 35.50 | 34.90 | 34.90 | 35.17 | 15.27 | 822,340 |   |  			
            | 8/26/2016 | +0.40 / +1.16% | 34.70 | 35.10 | 34.50 | 35.00 | 34.71 | 15.32 | 347,660 |   |  
            | 8/25/2016 | -0.20 / -0.57% | 35.00 | 35.00 | 34.50 | 34.60 | 34.67 | 15.14 | 452,250 |   |  			
            | 8/24/2016 | +0.10 / +0.29% | 34.70 | 34.90 | 34.60 | 34.80 | 34.75 | 15.23 | 240,060 |   |  
            | 8/23/2016 | -0.10 / -0.29% | 34.70 | 34.80 | 34.50 | 34.70 | 34.65 | 15.19 | 476,890 |   |  |