EX-32.1 5 a2183243zex-32_1.htm EXHIBIT 32.1
QuickLinks -- Click here to rapidly navigate through this document


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 Annual Report of CLST Holdings, Inc. (the "Registrant") on Form 10-K for the fiscal year ended November 30, 2007, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), the undersigned hereby certifies, in the capacity as indicated below and pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

1.
The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

      /s/  ROBERT A. KAISER      
Robert A. Kaiser, Chief Executive Officer and Chief Financial Officer

Date: March 11, 2008




QuickLinks

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002