StanCorp Financial Group, Inc. to Announce Second Quarter 2010 Financial Results on July 21, 2010 and Hold Webcast Conference Call on July 22, 2010

StanCorp Financial Group, Inc. ("StanCorp”) (NYSE:SFG) announced today it will release second quarter 2010 financial results on July 21, 2010, following the close of market. The press release will be available shortly thereafter on the Company’s Web site at www.stancorpfinancial.com.

StanCorp management will also hold an investor and analyst conference call to review StanCorp’s second quarter 2010 results on Thursday, July 22, 2010, at noon Eastern time (9:00 a.m. Pacific time).

To listen to the live webcast of this conference call, log on to www.stancorpfinancial.com. Windows Media Player™ will be required to listen to the webcast. A webcast replay will be available starting approximately two hours after the original broadcast. The replay will be available through September 10, 2010.

A telephone replay of the conference call will also be available approximately two hours after the conference call by dialing (800) 642-1687 or (706) 645-9291 and entering conference identification number 81821733. The replay will be available through July 30, 2010.

About StanCorp Financial Group, Inc.

StanCorp Financial Group, Inc., through its subsidiaries marketed as The Standard — Standard Insurance Company, The Standard Life Insurance Company of New York, Standard Retirement Services, StanCorp Mortgage Investors, StanCorp Investment Advisers, StanCorp Real Estate and StanCorp Equities— is a leading provider of financial products and services. StanCorp’s subsidiaries serve approximately 8.0 million customers nationwide as of March 31, 2010, with group and individual disability insurance, group life, AD&D, dental and vision insurance, retirement plans products and services, individual annuities and investment advice. For more information about StanCorp Financial Group, Inc., visit its Web site at www.stancorpfinancial.com.