CUSIP No. 637277104 SCHEDULE 13DYorktown Avenue Capital, LLC • April 25th, 2007 • Motor homes
Company FiledApril 25th, 2007 IndustryThe undersigned, being duly authorized thereunto, hereby execute this agreement as an exhibit to this Schedule 13D to evidence the agreement of the below-named parties, in accordance with the rules promulgated pursuant to the Securities Exchange Act of 1934, to file this Schedule jointly on behalf of each such party.