Principal Financial Group, Inc. Schedules Earnings Release and Conference Call for Second Quarter 2008 Financial Results

DES MOINES, Iowa--(BUSINESS WIRE)--June 27, 2008--Principal Financial Group, Inc. (NYSE: PFG) announced today that it will release second quarter 2008 financial and operating results at 4:00 P.M. (ET) on Monday, August 4, 2008. On Tuesday, August 5, 2008 at 10:00 A.M. (ET), President and Chief Executive Officer Larry Zimpleman and Executive Vice President and Chief Financial Officer Mike Gersie will lead a discussion of results during a live conference call. Other members of senior management will be available for the Q&A portion of the conference call. A copy of the earnings release and financial supplement will be posted at www.principal.com/investor.

The conference call will be broadcast live over the Internet at www.principal.com/investor. To listen to the live webcast, please go to the website at least 10-15 minutes prior to the start of the call to register, and to download and install any necessary audio software. The call can also be accessed via telephone by dialing 800-374-1609 (U.S. and Canadian callers) or 706-643-7701 (International callers) approximately 10 minutes prior to the start of the call. The leader's name is Tom Graf. Listeners can also access an audio replay over the Internet at www.principal.com/investor, or via telephone by dialing 800-642-1687 (U.S. and Canadian callers) or 706-645-9291 (International callers). Access code for the replay is 53322914. The replay will be available approximately two hours after the completion of the live earnings call through the end of day August 13, 2008.

About the Principal Financial Group

The Principal Financial Group(R) (The Principal (R))(1) is a leader in offering businesses, individuals and institutional clients a wide range of financial products and services, including retirement and investment services, life and health insurance, and banking through its diverse family of financial services companies. A member of the Fortune 500, the Principal Financial Group has $304.2 billion in assets under management(2 )and serves some 18.8 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(R) and The Principal(R) are registered service marks of Principal Financial Services, Inc., a member of the Principal Financial Group.

(2) As of March 31, 2008.

    CONTACT: Principal Financial Group, Inc.
             Media Contact:
             Rick Swalwell, 515-235-6320
             swalwell.rick@principal.com
             or
             Investor Contact:
             Tom Graf, 515-235-9500
             graf.tom@principal.com

    SOURCE: Principal Financial Group, Inc.