Corporation		State or Country of Domicile

Administradora de Fondos de Pensiones Cuprum S.A.		Chile
Brasilprev Seguros e Previdencia S.A.		Brazil
CCB Principal Asset Management Co., Ltd.		China
CCI Capital Partners, LLC		Delaware
CCIP, LLC		Delaware
CIMB Principal Islamic Asset Management Sdn. Bhd.		Malaysia
CIMB Wealth Advisors Berhad		Malaysia
CIMB-Principal Asset Management (S) Pte. Ltd.		Singapore
CIMB-Principal Asset Management Berhad		Malaysia
CIMB-Principal Asset Management Company Limited		Thailand
Claritas Administração de Recursos Ltda.		Brazil
Claritas Investments Ltd.		Cayman Islands
Claritas Participaçoes S.A.		Brazil
Columbus Circle Investors		Delaware
Delaware Charter Guarantee & Trust Company		Delaware
Distribuidora Principal Mexico, S.A. De C.V.		Mexico
Diversified Dental Services, Inc.		Nevada
Edge Asset Management, Inc.		Washington
Employers Dental Services, Inc.		Arizona
Equity FC, Ltd.		Iowa
Finansa Asset Management Limited		Thailand
Finisterre Capital LLP		United Kingdom
Finisterre Capital UK Limited		United Kingdom
Finisterre Holdings Limited		Malta
Finisterre Hong Kong Limited		Hong Kong
Finisterre Malta Limited		Malta
Finisterre USA, Inc.		Delaware
First Dental Health		California
GAVI PREHC HC, LLC		Delaware
GAVI PREPI HC, LLC		Delaware
Hipotecaria Security Principal, S.A.		Chile
Inversiones Cuprum Internacional S.A.		Chile
Liongate Capital Management (Cayman) Limited		Cayman Islands
Liongate Capital Management (India) Private Limited		India
Liongate Capital Management (UK) Limited		United Kingdom
Liongate Capital Management (US) LP		Delaware
Liongate Capital Management Inc.		Delaware
Liongate Capital Management Limited		Malta
Liongate Capital Management LLP		United Kingdom
Liongate Limited		Malta
Liongate Multi-Strategy GP Limited		Cayman Islands
Morley Capital Management, Inc.		Oregon
Morley Financial Services, Inc.		Oregon
Origin Asset Management LLP		United Kingdom
Petula Associates, LLC		Iowa
Petula Prolix Development Company		Iowa
PFG DO Brasil LTDA		Brazil
PGI Finisterre Holding Company Ltd.		United Kingdom
PGI Origin Holding Company Ltd.		United Kingdom
Post Advisory Europe Limited		United Kingdom
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., Principal Grupo Financiero		Mexico
Principal Asset Management Chile S.A.		Chile
Principal Asset Management Company (Asia) Limited		Hong Kong
Principal Bank		Iowa
Principal Chile Limitada		Chile
Principal Commercial Acceptance, LLC		Delaware
Principal Commercial Funding, LLC		Delaware
Principal Compañía de Seguros de Vida Chile S.A.		Chile
Principal Consulting (India) Private Limited		India
Principal Dental Services, Inc.		Arizona
Principal Development Investors, L.L.C.		Delaware
Principal Enterprise Capital, LLC		Delaware
Principal Financial Advisors, Inc.		Iowa
Principal Financial Group (Mauritius) Ltd.		Mauritius
Principal Financial Group, Inc.		Delaware
Principal Financial Group, S.A. de C.V., Grupo Financiero		Mexico
Principal Financial Services (Australia), Inc.		Iowa
Principal Financial Services I (UK) LLP		United Kingdom
Principal Financial Services I (US), LLC		Delaware

Corporation		State or Country of Domicile

Principal Financial Services II (UK) Ltd.		United Kingdom
Principal Financial Services II (US), LLC		Delaware
Principal Financial Services III (UK) Ltd.		United Kingdom
Principal Financial Services IV (UK) LLP		United Kingdom
Principal Financial Services Latin America Ltd.		United Kingdom
Principal Financial Services V (UK) Ltd.		United Kingdom
Principal Financial Services VI (UK) Ltd		United Kingdom
Principal Financial Services, Inc.		Iowa
Principal Fondos de Inversión, S.A. de C.V., Operadora de Fondos de Inversión,
Principal Grupo Financiero		Mexico
Principal Funds Distributor, Inc.		Washington
Principal Generation Plant, LLC		Delaware
Principal Global Columbus Circle, LLC		Delaware
Principal Global Financial Services (Europe) II Ltd		United Kingdom
Principal Global Financial Services (Europe) Ltd		United Kingdom
Principal Global Investors (Asia) Limited		Hong Kong
Principal Global Investors (Australia) Limited		Australia
Principal Global Investors (Australia) Service Company Pty Ltd		Australia
Principal Global Investors (Europe) Limited		United Kingdom
Principal Global Investors (Hong Kong) Limited		Hong Kong
Principal Global Investors (Ireland) Limited		Ireland
Principal Global Investors (Japan) Ltd.		Japan
Principal Global Investors (Singapore) Limited		Singapore
Principal Global Investors Holding Company, Inc.		Delaware
Principal Global Investors Participacoes LTDA		Brazil
Principal Global Investors Trust		Delaware
Principal Global Investors, LLC		Delaware
Principal Global Services Private Limited		India
Principal Holding Company Chile S.A.		Chile
Principal Holding Company, LLC		Iowa
Principal Insurance Company (Hong Kong) Limited		Hong Kong
Principal International (Asia) Limited		Hong Kong
Principal International (South Asia) Snd. Bhd		Malaysia
Principal International de Chile S.A.		Chile
Principal International Holding Company, LLC		Delaware
Principal International Latin America Ltd.		United Kingdom
Principal International Mexico, LLC		Delaware
Principal International South America I Ltd.		United Kingdom
Principal International South America II Ltd.		United Kingdom
Principal International South America II Ltd., Agencia en Chile		Chile
Principal International, Inc.		Iowa
Principal Investment & Retirement Services Limited		Hong Kong
Principal Investors Corporation		New Jersey
Principal Life Insurance Company		Iowa
Principal Life Insurance Company of Iowa		Iowa
Principal Management Corporation		Iowa
Principal Mexico Servicios, S.A. de C.V.		Mexico
Principal National Life Insurance Company		Iowa
Principal Nominee Company (Hong Kong) Limited		Hong Kong
Principal Pensiones, S.A. De C.V., Principal Grupo Financiero		Mexico
Principal Pnb Asset Management Company Private Limited		India
Principal Real Estate Fund Investors, LLC		Delaware
Principal Real Estate Holding Company, LLC		Delaware
Principal Real Estate Investors, LLC		Delaware
Principal Real Estate Portfolio, Inc.		Delaware
Principal Reinsurance Company of Delaware		Delaware
Principal Reinsurance Company of Vermont		Vermont
Principal Retirement Advisors Private Limited		India
Principal Seguros, S.A. De C.V., Principal Grupo Financiero		Mexico
Principal Servicios Corporativos Chile Ltda.		Chile
Principal Servicios de Administración S.A.		Chile
Principal Shareholder Services, Inc.		Washington
Principal Trust Company (Asia) Limited		Hong Kong
Principal Trust Company (Bermuda) Limited		Bermuda
Principal Trust Company (Hong Kong) Limited		Hong Kong
Principal Trustee Company Private Limited		India
Princor Financial Services Corporation		Iowa
PT CIMB-Principal Asset Management		Indonesia
Spectrum Asset Management, Inc.		Connecticut
Union Bond & Trust Company		Oregon