Corporation		State of Domicile Country of Domicile
BCI Group, LLC		Delaware
Benefit Fiduciary Corporation		Rhode Island
Boston Insurance Trust, Inc.		Massachusetts
BrasilPrev Seguros e Previdencia S.A.		Brazil
Columbus Circle Investors		Connecticut
Delaware Charter Guarantee & Trust Company		Delaware
Dental-Net, Inc.		Arizona
Distribuidora Principal Mexico, S.A. de C.V.		Mexico
Employers Dental Services, Inc.		Arizona
Equity FC, Ltd.		Iowa
Executive Benefit Services, Inc.		North Carolina
HealthRisk Resource Group, Inc.		Iowa
ING/Principal Pensions Co., Ltd.		Japan
InSource Group, LLC		Delaware
JF MOLLOY & Associates, Inc.		Indiana
Molloy Medical Management Company, Inc.		Indiana
Molloy Wellness Company		Indiana
Patrician Associates, Inc.		California
Petula Associates, Ltd.		Iowa
Petula Prolix Development Company		Iowa
PFG DO Brasil LTDA		Brazil
PNB Principal Financial Planners Private Limited		London (UK)
Post Advisory Group, LLC		Delaware
Preferred Product Network, Inc.		Delaware
Principal Administradora General de Fondos S.A.		Chile
Principal Afore, S.A. de C.V.		Mexico
Principal Asset Management Company (Asia) Ltd.		Hong Kong
Principal Asset Management Company Private Limited		India
Principal Asset Markets, Inc.		Iowa
Principal Australia (Holdings) Pty Limited		Australia
Principal Bank		Federal
Principal Capital Futures Trading Advisor, LLC		Delaware
Principal Capital Global Investors Limited		NSW
Principal Commercial Acceptance, LLC		Delaware
Principal Commercial Funding, LLC		Delaware
Principal Compania de Seguros de Vida Chile S.A.		Chile
Principal Consulting (India) Private Limited		India
Principal Creditos Hipotecarios, S.A.		Chile
Principal Development Investors, L.L.C.		Delaware
Principal Enterprise Capital, LLC		Delaware
Principal Financial Advisors, Inc.		Iowa
Principal Financial Group (Australia) Pty Ltd		Australia
Principal Financial Group (Mauritius) Ltd.		Mauritius
Principal Financial Group, Inc.		Delaware
Principal Financial Services (Australia), Inc.		Iowa

Principal Financial Services, Inc.		Iowa
Principal Fund Management (Hong Kong) Limited		Hong Kong
Principal Genera S.A. De C.V., Operadora De Fondos De Inversion		Mexico
Principal Generation Plant, LLC		Delaware
Principal Global Columbus Circle, LLC		Delaware
Principal Global Investors (Asia) Limited		Hong Kong
Principal Global Investors (Australia) Limited		NSW
Principal Global Investors (Australia) Service Company Pty Limited		NSW
Principal Global Investors (Europe) Limited		England (UK)
Principal Global Investors (Ireland) Limited		Ireland
Principal Global Investors (Singapore) Limited		Singapore
Principal Global Investors Holding Company, Inc.		Delaware
Principal Global Investors Trust		Delaware
Principal Global Investors, LLC		Delaware
Principal Health Care, Inc.		Iowa
Principal Health Insurance Company		Iowa
Principal Holding Company		Iowa
Principal Insurance Company (Hong Kong) Limited		Hong Kong
Principal International (Asia) Limited		Hong Kong
Principal International de Chile S.A.		Chile
Principal International Holding Company, LLC		Delaware
Principal International, Inc.		Iowa
Principal Investments (Australia) Limited		Delaware
Principal Investors Corporation		New Jersey
Principal Life Insurance Company		Iowa
Principal Management Corporation		Iowa
Principal Mexico Compania de Seguros, S.A. de C.V.		Mexico
Principal Mexico Servicios, S.A. de C.V.		Mexico
Principal Net Lease Investors, L.L.C.		Delaware
Principal Nominee Company (Hong Kong) Limited		Hong Kong
Principal Pensiones, S.A. de C.V.		Mexico
Principal Real Estate Fund Investors, LLC		Delaware
Principal Real Estate Investors (Australia) Limited		Australia
Principal Real Estate Investors, LLC		Delaware
Principal Services Trust Company		Illinois
Principal Siefore, S.A. de C.V.		Mexico
Principal Trust Company (Asia) Limited		Hong Kong
Principal Trustee Company Private Limited		India
Princor Financial Services Corporation		Iowa
Professional Pensions, Inc.		Connecticut
Spectrum Asset Management, Inc.		Connecticut
Zao Principal International		Russia