Exhibit 99.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Each of the undersigned hereby certifies, in accordance with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in his or her capacity as an officer of American Technology Corporation (the “Company”), that, to his or knowledge, the Annual Report of the Company on Form 10-K for the period ended September 30, 2002, fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934 and that the information contained in such report fairly presents, in all material respects, the financial condition and results of operation of the Company.

Dated: December 20, 2002

/s/ ELWOOD G. NORRIS

Elwood G. Norris,

Chief Executive Officer and Chairman (Principal Executive Officer)

Dated: December 20, 2002

/s/ RENEE WARDEN

Renee Warden,

Chief Accounting Officer, Treasurer and Secretary (Principal Financial Officer)