Exhibit 99.1

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 United Pan Am Financial Corp (the “Company”) on Form 10-Q for the period ending March 31, 2003 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Guillermo Bron certifies in his capacity as Chairman and Chief Executive Officer, of the Company, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

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

(b)  The information contained in the Report fairly presents, in all material respects, the financial condition and results of operation of the Company.

IN WITNESS WHEREOF, the undersigned have hereunto signed this Certification as of May 5, 2003.

/s/    Guillermo Bron

Guillermo Bron

Chairman and Chief Executive Officer