EX-99.906 CERT 4 a321cert.txt 2003 Q3 10Q 906 CERT EXHIBIT 32.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of National R.V. Holdings, Inc. (the "Company") on Form 10-Q for the period ending September 30, 2003 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), we, Bradley C. Albrechtsen, Chief Executive Officer and President of the Company, and Mark D. Andersen, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that: (1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and (2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company. /s/ BRADLEY C. ALBRECHTSEN /s/ MARK D. ANDERSEN -------------------------- -------------------- Bradley C. Albrechtsen Mark D. Andersen Chief Executive Officer Chief Financial Officer and President (Principal Accounting and November 12, 2003 Financial Officer) November 12, 2003