Tsakos Energy Navigation Ltd. Announces Availability of Form 20-F for the Year Ended December 31, 2011

ATHENS, GREECE--(Marketwire - Apr 18, 2012) - Tsakos Energy Navigation Ltd. ("TEN") (NYSE: TNP) announced today that its Annual Report on Form 20-F for the year ended December 31, 2011 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's Investor Relations Advisor at:

Capital Link Inc.
230 Park Avenue, Suite 1536
New York, NY 10169 USA
Tel: (+) 1 212 661 7566
ten@capitallink.com

The Annual Report, other 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
To date, TEN's pro forma fleet consists of 51 double-hull vessels of approximately 5.5 million dwt that includes one LNG carrier and two DP2 suezmax shuttle tankers totaling 400,000 dwt. The company has options for two conventional suezmax tankers and an additional LNG carrier to be declared no later than September 2012, totaling 402,000 dwt. TEN's balanced fleet profile is reflected in 23 crude tankers ranging from VLCCs to aframaxes and 26 product carriers ranging from aframaxes to handysize and two LNG carriers.

TEN's employment profile (operating fleet as of April 12, 2012):

Type of Employment	Vessels
Period Employment - Fixed, fixed w/profit share & min max	31
Pool - market related	5
Spot - market related	12

TEN's current newbuilding program:

Suezmax	DWT	Hull Type / Design	Expected Delivery
1. Suezmax DP2	157,000	DH	Q1 2013
2. Suezmax DP2	157,000	DH	Q2 2013
LNG
1. TBN	86,000	Tri-Fuel	Q1 2015
Newbuilding Options
LNG
1. TBN	86,000	Tri-Fuel	Q4 2015
Suezmax
1. S2032	158,000	DH	Q2 2012
2. S2033	158,000	DH	Q1 2013

DH: Double Hull

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.