Principal Financial Group, Inc. (NYSE: PFG) announced today that it will host its 2013 Investor Day at the New York Stock Exchange on Friday, Sept. 13, 2013. Senior management will discuss progress on our long-term strategy and provide an update on our recent acquisitions. Further information, including webcast details and a copy of the presentation, will be provided closer to the date of the meeting.

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

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About the Principal Financial Group
The Principal Financial Group® (The Principal ®)1 is a global investment management leader offering 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 $456.1 billion in assets under management2 and serves some 19.1 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 March 31, 2013.

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