Tsakos Energy Navigation Ltd. Announced Availability of Form 20-F for the Year Ended December 31, 2010

ATHENS, GREECE--(Marketwire - Apr 14, 2011) - Tsakos Energy Navigation Ltd. ("TEN") (NYSE: TNP) announced today that its Annual Report on Form 20-F for the year ended December 31, 2010 has been filed with the Securities and Exchange Commission and can be accessed on the Company's website.

Shareholders may also request a hard copy of the complete audited financial statements, free of charge, by clicking on the annual report prompt under the Contact Us section of the Company's website, http://www.tenn.gr.

Alternatively, shareholders may request a hard copy of the complete audited financial statements, free of charge, by contacting the Company at:

Tsakos Energy Navigation
20-F Request
Attn: Mr. Paul Durham
367, Syngrou Ave.
175 64 P. Faliro, Hellas
Tel: + (30) 210 94 07 710-13

Reports and other information regarding the Company are also available without charge at a website maintained by the U.S. Securities and Exchange Commission at http://www.sec.gov.

ABOUT TSAKOS ENERGY NAVIGATION
Today, TEN's fleet consists of 51 double-hull vessels of 5.5 million dwt and includes two suezmax DP2 shuttle tankers and two conventional suezmax tankers currently under construction totalling 636,000 dwt. TEN's balanced fleet profile is reflected in 24 crude tankers ranging from VLCCs to aframaxes and 26 product carriers ranging from aframaxes to handysize and one LNG.

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.