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Exhibit 99.3 Report of Independent Registered Public Accounting Firm on Compliance The Board of Directors
Principal Financial Group, Inc.
Principal Life Insurance Company We have examined managements assertion, included in the accompanying report titled Report of
Management on Compliance, that Principal Financial Group, Inc. and Principal Life Insurance Company
(collectively, the Company) complied with the specified standards identified in Exhibit A to the
Report of Management on Compliance(the specified standards) with respect to the secured notes
issued by Principal Life Income Fundings Trust 5 during the year ended December 31, 2004.
Management is responsible for the Companys compliance with those specified standards. Our
responsibility is to express an opinion on managements assertion about the Companys compliance
based on our examination. Our examination was conducted in accordance with attestation standards established by the
Public Company Accounting Oversight Board (United States) and, accordingly, included examining, on
a test basis, evidence about the Companys compliance with the specified standards and performing
such other procedures as we considered necessary in the circumstances. We believe that our
examination provides a reasonable basis for our opinion. Our examination does not provide a legal
determination on the Companys compliance with the specified standards. In our opinion, managements assertion that Principal Financial Group, Inc. and Principal Life
Insurance Company complied with the aforementioned specified standards during the year ended
December 31, 2004, is fairly stated, in all material respects. /s/ Ernst & Young LLP Des Moines, IowaMarch 15, 2005




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Report of Management on Compliance I, as a member of management of Principal Financial Group, Inc. and Principal Life Insurance
Company (collectively, the Company), am responsible for complying with the standards identified
in the attached Exhibit A (the specified standards) with respect to the secured notes issued by
Principal Life Income Fundings Trust 5. I am also responsible for establishing and maintaining
effective internal control over compliance with these specified standards. I have performed an
evaluation of the Companys compliance with the specified standards as of December 31, 2004 and for
the year then ended. Based on this evaluation, I assert that during the year ended December 31,
2004, the Company complied, in all material respects, with the specified standards. /s/ Ellen Z. Lamale
Ellen Z. Lamale
Senior Vice President and Chief Actuary March 15, 2005




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Exhibit A
Specified Standards I. Funding Agreement Payments Funding agreement payments have been:  1.
    calculated according to the terms of the Funding Agreement; and  2.
    promptly paid, within two business days of the due date, to the Indenture
Trustee at the direction of the appropriate Principal Life Income Fundings Trust. II. Guarantee Payments in Support of the Payment of Amounts Due on the Funding Agreement Support of the payment of amounts due on the Funding Agreement, if any, have been:  1.
    calculated according to the terms of the Funding Agreement; and  2.
    promptly paid, within two business days of the due date, to the Indenture
Trustee at the direction of the appropriate Principal Life Income Fundings Trust. III. Payments Under Indenture Confirmed that the Indenture Trustee has used the amounts described in I.1. and II.1., if
any, to pay, within two business day of the due date, amounts due on the secured notes to
the Depository Trust Company in accordance with the terms of the Indenture.