EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER, PURSUANT TO RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934 AND U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Each of the undersigned hereby certifies, for the purposes of section 1350 of chapter 63 of title 18 of the United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in his capacity as an officer of Red Hat, Inc. (Red Hat), that, to his knowledge, the Annual Report of Red Hat on Form 10-K for the period ended February 29, 2004, (the “Report”) fully complies with the requirements of Section 13(a) of the Securities and Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Red Hat.

May 14, 2004

By:	/s/    MATTHEW J. SZULIK
	Matthew J. Szulik Chief Executive Officer, President and Chairman of the Board of Directors (Principal Executive Officer)

May 14, 2004

By:	/s/    KEVIN B. THOMPSON
	Kevin B. Thompson Chief Financial Officer (Principal Financial Officer)