Willis Lease Finance (WLFC) 10-K 2002 FY Annual report

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

Each of the undersigned hereby certifies, in his or her capacity as an officer of Willis Lease Finance Corporation (the “Company”), for purposes of 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to his or her knowledge:

the Annual Report of the Company on Form 10-K for the year ended December 31, 2002 fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and

the information contained in such report fairly presents, in all material respects, the financial condition and results of operation of the Company.

Dated:  March 13, 2003

/s/ Charles F. Willis IV

President and Chief Executive Officer

/s/ Monica J. Burke

Chief Financial Officer and Executive Vice President