MANAGEMENT'S ASSERTION CONCERNING COMPLIANCE WITH USAP MINIMUM SERVICING STANDARDS March 7, 2003 As of and for the year ended December 31, 2002, BA Mortgage LLC, and the Mortgage division of Bank of America, N.A. (collectively, the "Company"), which together comprise an operating division of Bank of America, N.A., has complied in all material respects with the minimum servicing standards set forth in the Mortgage Bankers Association of America's Uniform Single Attestation Program for Mortgage Bankers ("USAP"). As of and for this same period, the Company had in effect a fidelity bond and errors and omissions policy in the amounts of $400,000,000 and $475,000,000 respectively. - ---------------------------- ------------------------------ Kevin M. Shannon H. Randall Chestnut President Senior Vice President Consumer Real Estate Bank of America, N.A. Bank of America, N.A. - ----------------------------- ------------------------------ David H. Rupp Gary K. Bettin Senior Vice President Senior Vice President and Bank of America, N.A. National Servicing Executive Bank of America, N.A. - ---------------------------- J. Mark Hanson Senior Vice President Bank of America, N.A.