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                    Closing price on 9/6/2016
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        |           
                
                    | Open | 34.30 |  
                    | High | 34.80 |  
                    | Low | 34.30 |  
                    | Volume | 340,160 |  
                    | Split-adjusted Price | 15.10 |  
                
             | 
 |  NT2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 8/22/2016 | -0.40 / -1.14% | 35.20 | 35.50 | 34.80 | 34.80 | 35.14 | 15.23 | 693,630 |   |  
            | 8/19/2016 | -0.20 / -0.56% | 35.30 | 35.60 | 35.10 | 35.20 | 35.30 | 15.40 | 430,410 |   |  			
            | 8/18/2016 | -0.40 / -1.12% | 35.80 | 35.90 | 35.30 | 35.40 | 35.44 | 15.49 | 1,049,030 |   |  
            | 8/17/2016 | +0.30 / +0.85% | 35.50 | 35.90 | 35.20 | 35.80 | 35.75 | 15.67 | 556,770 |   |  			
            | 8/16/2016 | +0.90 / +2.60% | 34.60 | 35.60 | 34.50 | 35.50 | 35.18 | 15.54 | 1,226,890 |   |  
            | 8/15/2016 | +0.20 / +0.58% | 34.40 | 34.70 | 34.20 | 34.60 | 34.48 | 15.14 | 504,680 |   |  			
            | 8/12/2016 | -1.70 / -4.71% | 35.00 | 35.00 | 34.30 | 34.40 | 34.54 | 15.05 | 740,210 |   |  
            | 8/11/2016 | 0.00 / 0.00% | 36.20 | 36.80 | 36.00 | 36.10 | 36.23 | 15.14 | 682,120 |   |  			
            | 8/10/2016 | -0.30 / -0.82% | 36.40 | 36.60 | 36.00 | 36.10 | 36.28 | 15.14 | 422,930 |   |  
            | 8/9/2016 | +1.60 / +4.60% | 34.90 | 36.50 | 34.70 | 36.40 | 35.91 | 15.27 | 1,330,540 |   |  			
            | 8/8/2016 | 0.00 / 0.00% | 34.60 | 34.90 | 34.60 | 34.80 | 34.80 | 14.60 | 197,420 |   |  
            | 8/5/2016 | 0.00 / 0.00% | 34.40 | 34.90 | 34.40 | 34.80 | 34.65 | 14.60 | 231,670 |   |  			
            | 8/4/2016 | 0.00 / 0.00% | 34.80 | 35.30 | 34.70 | 34.80 | 34.92 | 14.60 | 402,290 |   |  
            | 8/3/2016 | -0.20 / -0.57% | 35.00 | 35.00 | 34.60 | 34.80 | 34.78 | 14.60 | 163,780 |   |  			
            | 8/2/2016 | -0.20 / -0.57% | 35.20 | 35.20 | 34.80 | 35.00 | 34.94 | 14.68 | 578,050 |   |  
            | 8/1/2016 | +0.10 / +0.28% | 35.30 | 35.30 | 34.90 | 35.20 | 35.10 | 14.76 | 283,670 |   |  			
            | 7/29/2016 | +0.40 / +1.15% | 34.80 | 35.30 | 34.70 | 35.10 | 35.08 | 14.72 | 563,960 |   |  
            | 7/28/2016 | +0.70 / +2.06% | 34.10 | 34.80 | 34.10 | 34.70 | 34.49 | 14.55 | 414,250 |   |  			
            | 7/27/2016 | -0.30 / -0.87% | 34.30 | 34.40 | 33.90 | 34.00 | 34.11 | 14.26 | 369,970 |   |  
            | 7/26/2016 | -0.30 / -0.87% | 34.60 | 34.70 | 34.20 | 34.30 | 34.32 | 14.39 | 258,980 |   |  |