SUPPLEMENT DATED JUNE 22, 2009 TO THE PROSPECTUS DATED MAY 1, 2009 FOR TRI-CONTINENTAL CORPORATION (THE "CORPORATION") Under the section "Investment Objective and Other Policies and Related Risks," the last sentence under the sub-section "Foreign Securities" is superseded and replaced as follows: The Corporation may invest up to 25% of its net assets in foreign investments. SL-9912-1 A (6/09)