497

Supplement dated March 23, 2012

to the Statement of Additional Information, dated May 1, 2011

for

Tri-Continental Corporation

(the Corporation)

Effective immediately, the chart entitled “Corporation Officers,” is hereby superseded and replaced with the following:

Corporation Officers

Name, Address, Age

  

Position with

Corporation and Length

of Time Served*

  

Principal Occupation During Last Five Years

J. Kevin Connaughton

225 Franklin Street

Boston, MA 02110

Age 47

   President and Principal Executive officer since May 2010    Senior Vice President and General Manager — Mutual Fund Products, Columbia Management Investment Advisers, LLC since May 2010; President, Columbia Funds since 2009 (previously Senior Vice President and Chief Financial Officer, June 2008 — January 2009); President, Atlantic Funds and Nations Funds since 2009; Managing Director of Columbia Management Advisors, LLC, December 2004 — April 2010; Treasurer, Columbia Funds, October 2003 — May 2008; Treasurer, the Liberty Funds, Stein Roe Funds and Liberty All- Star Funds, December 2000 — December 2006

Amy K. Johnson

5228 Ameriprise Financial Center

Minneapolis, MN

55474

Age 46

  

Vice President since

November 2008

   Senior Vice President and Chief Operating Officer, Columbia Management Investment Advisers, LLC (formerly RiverSource Investments, LLC) since May 2010 (previously Chief Administrative Officer, 2009 — April 2010 and Vice President — Asset Management and Trust Company Services, 2006-2009; Vice President, Atlantic Funds, Columbia Funds and Nations Funds since May 2010

Michael G. Clarke

225 Franklin Street

Boston, MA 02110

Age 42

  

Treasurer and Chief

Financial Officer since
January 2011

   Vice President, Columbia Management Investment Advisers, LLC since May 2010; Managing Director of Fund Administration, Columbia Management Advisors, LLC, September 2004 — April 2010; senior officer of Columbia Funds and affiliated funds since 2002

Scott R. Plummer

5228 Ameriprise Financial Center

Minneapolis, MN 55474

Age 52

  

Senior Vice President

since April 14, 2011,

Chief Legal Officer

since November

2008 and Assistant

Secretary since June

2011

   Senior Vice President, Chief Legal Officer and Assistant Secretary, Columbia Management Investment Advisers, LLC (formerly RiverSource Investments, LLC) since June 2005; Vice President and Lead Chief Counsel — Asset Management, Ameriprise Financial, Inc. since May 2010 (previously Vice President and Chief Counsel — Asset Management, 2005- April 2010); Senior Vice President and Chief Legal Officer, Atlantic Funds, Columbia Funds and Nations Funds since May 2010; Vice President, Chief Counsel and Assistant Secretary, Columbia Management Investment Distributors, Inc. (formerly RiverSource Fund Distributors, Inc.) since 2008; Vice President, General Counsel and Secretary, Ameriprise Certificate Company since 2005; Chief Counsel, RiverSource Distributors, Inc. since 2006


Corporation Officers

Name, Address, Age

  

Position with

Corporation and Length

of Time Served*

  

Principal Occupation During Last Five Years

Colin Moore

225 Franklin Street

Boston, MA 02110

Age 53

  

Senior Vice President since

May 2010

   Director and Chief Investment Officer, Columbia Management Investment Advisers, LLC since May 2010; Senior Vice President, Atlantic Funds, Columbia Funds and Nations Funds since May 2010; Manager, Managing Director and Chief Investment Officer, Columbia Management Advisors, LLC, 2007- April 2010; Head of Equities, Columbia Management Advisors, LLC, 2002-September 2007

Thomas P. McGuire

225 Franklin Street

Boston, MA 02110

Age 40

  

Interim Chief

Compliance Officer

since 3/12

   Vice President-Asset Management Compliance, Columbia Management Investment Advisers, LLC since 2010; Chief Compliance Officer, Ameriprise Certificate Company since September 2010; Compliance Executive, Bank of America, 2005 - 2010

Stephen T. Welsh

225 Franklin Street

Boston, MA 02110

Age 53

  

Vice President since April

14, 2011

   President and Director, Columbia Management Investment Services Corp. since May 2010; President and Director, Columbia Management Services, Inc., July 2004-April 2010; Managing Director, Columbia Management Distributors, Inc., August 2007-April 2010

Christopher O. Petersen

5228 Ameriprise Financial Center

Minneapolis, MN 55474

Age 42

  

Vice President and

Secretary since April

14, 2011

   Vice President and Chief Counsel, Ameriprise Financial since January 2010 (formerly Vice President and Group Counsel or Counsel, April 2004-January 2010); Assistant Secretary of Legacy RiverSource Funds, January 2007-April 2011 and of the Nations Funds, May 2010-March 2011

Paul D. Pearson

10468 Ameriprise Financial Center

Minneapolis, MN 55474

Age 55

  

Vice President and Assistant

Treasurer since April 14,

2011

   Vice President — Investment Accounting, Columbia Management Investment Advisers, LLC, since May 2010; Vice President — Managed Assets, Investment Accounting, Ameriprise Financial Corporation, February 1998-May 2010

Joseph F. DiMaria

225 Franklin Street

Boston, MA 02110

Age 42

  

Vice President and Chief

Accounting Officer since

April 14, 2011

   Vice President, Mutual Fund Administration, Columbia Management Investment Advisers, LLC, since May 2010; Director of Fund Administration, Columbia Management Advisors, LLC, from January 2006 — April 2010

Paul B. Goucher

100 Park Avenue

New York, NY 10017

Age 43

  

Vice President since April

14, 2011 and Assistant

Secretary since November

2008

   Vice President and Chief Counsel of Ameriprise Financial since January 2010 (formerly Vice President and Group Counsel, November 2008 —January 2010); Director, Managing Director and General Counsel of J. & W. Seligman & Co. Incorporated (Seligman), July 2008 — November 2008 and Managing Director and Associate General Counsel of Seligman, January 2005 — July 2008

Michael E. DeFao

225 Franklin Street

Boston, MA 02110

Age 42

  

Vice President since April

14, 2011 and Assistant

Secretary since May 2010

   Vice President and Chief Counsel, Ameriprise Financial since May 2010; Associate General Counsel Bank of America, June 2005 — April 2010

 

* All officers are elected annually by the Board of Directors and serve until their successors are elected and qualify or their earlier resignation.

S-6500-46 A (3/12)