EX-99.77D POLICIES 4 subitem77d1206.txt INVESTMENT POLICY 12/06 SUB-ITEM 77D(a): Exhibits TRI-CONTINENTAL CORPORATION Incorporated by reference to Post-Effective Amendment No.4 to Registrant's Registration Statement on Form N-2 filed on February 28, 2006 pursuant to Rule 485(a)(1) under the Securities Act of 1933, as amended. 1