TNP Tsakos Energy Navigation Ltd

TEN Ltd. (“TEN”) (NYSE: TNP) (the “Company”), a leading diversified crude, product and LNG tanker operator, today announced that its Board of Directors declared the regular quarterly cash dividend of $0.578125 per share for its Series E Cumulative Perpetual Preferred Shares (the “Series E Preferred Shares”; NYSE; TNPPRE).

The dividend on the Series E Preferred Shares is for the period from the most recent dividend payment date of February 28, 2024 through May 27, 2024.

The dividend on the Series E Preferred Shares will be paid on May 28, 2024 to all holders of record of Series E Preferred Shares as of May 22, 2024. Dividends on the Series E Preferred Shares are payable quarterly in arrears on the 28th day (unless the 28th falls on a weekend or public holiday, in which case the payment date is moved to the next business day) of February, May, August and November of each year, when, as and if declared by TEN’s board of directors. This is the 29th dividend on the Series E Preferred Shares since their commencement of trading on the New York Stock Exchange.

TEN has 4,745,947 Series E Preferred Shares outstanding as of the date of this press release.

ABOUT TSAKOS ENERGY NAVIGATION TEN, founded in 1993 and is one of the first and most established public shipping companies in the world. TEN’s diversified energy fleet currently consists of 74 double-hull vessels, including four DP2 shuttle tankers, two scrubber-fitted suezmax vessels and two scrubber fitted MR product tankers under construction, constituting a mix of crude tankers, product tankers and LNG carriers, totaling 9.1 million dwt.

ABOUT FORWARD-LOOKING STATEMENTS Except for the historical information contained herein, the matters discussed in this press release are forward-looking statements that involve risks and uncertainties that could cause actual results to differ materially from those predicted by such forward-looking statements. TEN undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, or otherwise.

For further information, please contact :

Company Tsakos Energy Navigation Ltd. George Saroglou President & COO +30210 94 07 710 gsaroglou@tenn.gr

Investor Relations / Media Capital Link, Inc. Nicolas Bornozis Markella Kara +212 661 7566 ten@capitallink.com