Principal Financial Group, Inc. (NYSE: PFG) Investor Day 2012 is right around the corner. The event will take place in New York on Friday, Sept. 21, 2012 from 8 a.m. to 1 p.m. ET. Senior leaders will provide greater detail about our strategy with a focus on how our multi-channel distribution model positions us for growth across our business lines. To register for the event, contact investor-relations@principal.com.

A live video webcast, along with presentation materials, will be available on the company's investor relations website at www.principal.com/investor. Please go to the website at least 10-15 minutes prior to the start of the presentation to register, and to download and install any necessary software. A replay will be available at www.principal.com/investor at the conclusion of the event.

For more information, contact investor-relations@principal.com.

About the Principal Financial Group
The Principal Financial Group® (The Principal ®)1 is a global investment management leader including retirement services, insurance solutions and asset management. The Principal offers businesses, individuals and institutional clients a wide range of financial products and services, including retirement, asset management and insurance through its diverse family of financial services companies. Founded in 1879 and a member of the FORTUNE 500®, the Principal Financial Group has $367.1 billion in assets under management2 and serves some 18.2 million customers worldwide from offices in Asia, Australia, Europe, Latin America and the United States. Principal Financial Group, Inc. is traded on the New York Stock Exchange under the ticker symbol PFG. For more information, visit www.principal.com.

1 "The Principal Financial Group" and "The Principal" are registered service marks of Principal Financial Services, Inc., a member of the Principal Financial Group.
2 As of June 30, 2012.

Principal Financial Group, Inc.
Media Contact:
Susan Houser, 515-248-2268
houser.susan@principal.com
or
Investor Contact:
John Egan, 515-235-9500
egan.john@principal.com