Exhibit 99.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350

Thomas E. Jones, as Chief Executive Officer of CHAD Therapeutics, Inc. (the “Company”), and Earl L. Yager, as Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C. §1350, that

     (1)  the Company’s Quarterly Report of Form 10-Q for the quarterly period ended December 31, 2002, as filed with the Securities and Exchange Commission on the date hereof (the “Report”) fully complies with the requirements of Section 13(a) 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 results of operations of the Company.

Dated: February 6, 2003	/S/ Thomas E. Jones
	Thomas E. Jones Chief Executive Officer Of CHAD Therapeutics, Inc.
Dated: February 6, 2003	/S/Earl L. Yager
	Earl L. Yager Chief Financial Officer Of CHAD Therapeutics, Inc.