
¨		Preliminary Proxy Statement.

¨		Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)).

¨		Definitive Proxy Statement.

x		Definitive Additional Materials.

¨		Soliciting Material under §240.14a-12.



x	No fee required.

¨	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

	1)	Title of each class of securities to which transaction applies:
	2)	Aggregate number of securities to which transaction applies:
	3)	Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
	4)	Proposed maximum aggregate value of transaction:
	5)	Total fee paid:

¨	Fee paid previously with preliminary materials.

¨	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.

	1)	Amount Previously Paid:
	2)	Form, Schedule or Registration Statement No.:
	3)	Filing Party:
	4)	Date Filed:

In light of the public health concerns regarding the COVID-19 (coronavirus) outbreak, NOTICE IS HEREBY GIVEN that the 90^th Annual Meeting of Stockholders (the “Meeting”) of Tri-Continental Corporation (the “Corporation”), originally scheduled to be held at The Boston Harbor Hotel, 70 Rowes Wharf, Boston, Massachusetts 02110, on April 21, 2020, at 9:00 a.m., local time, has been postponed pursuant to Maryland Code, Corporations and Associations §2-511(d)(2) and the bylaws of the Corporation. The Corporation now seeks to hold the Meeting at 707 Second Avenue South, Minneapolis, Minnesota 55474, on June 15, 2020 at 8:00 a.m. local time.

As described in the proxy materials for the Meeting previously distributed, you are entitled to participate in the Meeting if you were a stockholder as of the close of business on March 3, 2020, the record date. You will need proof of record ownership of the Corporation’s stock to enter the Meeting or, if your shares are held in street name, a proxy from the record holder.

Your vote is very important. Whether or not you plan to attend the Meeting, and regardless of the number of shares you own, we urge you to vote by promptly signing, dating and returning the Proxy Card included with the proxy materials previously distributed, or by authorizing your proxy by telephone or the Internet as described in the Proxy Card. In addition, you may be able to authorize your proxy by telephone through the Corporation’s proxy solicitor.

If you have any questions or need additional information, please contact Georgeson LLC, the Corporation’s proxy solicitor, at 1290 Avenue of the Americas, 9th Floor, New York, NY 10104, or by telephone at 1-888-680-1528.