EXHIBR 2
Published on September 8, 2006
CUSIP NO. 67000X106 PAGE 14 OF 14
EXHIBIT 2
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JOINT FILING AGREEMENT
Each of the undersigned hereby acknowledges and agrees, in
compliance with the provisions of Rule 13d-1(k)(1) promulgated under the
Securities Exchange Act of 1934, as amended, that the Schedule 13D to which
this Agreement is attached as an Exhibit (the "Schedule 13D"), and any
amendments thereto, will be filed with the Securities and Exchange Commission
jointly on behalf of the undersigned. This Agreement may be executed in one or
more counterparts.
Dated: September 8, 2006
KENSICO CAPITAL MANAGEMENT CORPORATION
/s/ Michael Lowenstein
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Signature
Michael Lowenstein, Authorized Signatory
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Name/Title
MICHAEL LOWENSTEIN
/s/ Michael Lowenstein
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Signature
THOMAS J. COLEMAN
/s/ Thomas J. Coleman
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Signature