Form: SC 13D

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities

September 8, 2006

EXHIBIT 1

Published on September 8, 2006


CUSIP NO. 67000X106 PAGE 10 OF 14


EXHIBIT 1
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TRANSACTIONS BY KENSICO DRAWDOWN FUND, LP


TRANSACTIONS IN THE COMMON STOCK
--------------------------------


Date of Number of shares of the Price per share of the
Transaction Common Stock Common Stock
Purchased
8/29/2006 34,300 19.0235
8/30/2006 43,000 20.9355
8/31/2006 27,700 20.7054
9/01/2006 14,700 21.1538
9/07/2006 49,800 21.4193




CUSIP NO. 67000X106 PAGE 11 OF 14


TRANSACTIONS BY KENSICO OFFSHORE FUND, LTD.


TRANSACTIONS IN THE COMMON STOCK
--------------------------------


Date of Number of shares of the Price per share of the
Transaction Common Stock Common Stock
Purchased
8/29/2006 91,000 19.0235
8/30/2006 74,200 20.9355
8/31/2006 47,800 20.7054
9/01/2006 28,600 21.1538
9/06/2006 11,300 21.4178
9/07/2006 81,600 21.4193





CUSIP NO. 67000X106 PAGE 12 OF 14


TRANSACTIONS BY KENSICO PARTNERS, LP


TRANSACTIONS IN THE COMMON STOCK
--------------------------------


Date of Number of shares of the Price per share of the
Transaction Common Stock Common Stock
Purchased
8/29/2006 40,100 19.0235
8/30/2006 45,800 20.9355
8/31/2006 29,600 20.7054
9/01/2006 17,700 21.1538
9/06/2006 5,900 21.4178
9/07/2006 50,500 21.4193





CUSIP NO. 67000X106 PAGE 13 OF 14


TRANSACTIONS BY KENSICO ASSOCIATES, LP


TRANSACTIONS IN THE COMMON STOCK
--------------------------------


Date of Number of shares of the Price per share of the
Transaction Common Stock Common Stock
Purchased
8/29/2006 49,600 19.0235
8/30/2006 62,000 20.9355
8/31/2006 39,900 20.7054
9/01/2006 24,000 21.1538
9/06/2006 7,800 21.4178
9/07/2006 68,100 21.4193