TSAKOS ENERGY NAVIGATION ANNOUNCES A THREE-YEAR TIME CHARTER
FOR A MODERN HANDYSIZE PRODUCT TANKER

ATHENS, GREECE – September 8, 2010 - Tsakos Energy Navigation Ltd. (”TEN”) (NYSE: TNP or the ”Company”) today announced a three-year time charter for a modern, double hull, handysize product tanker to a major South American state oil company. This charter is expected to generate gross revenues in excess of $14 million during the corresponding charter period. Prior to this fixture the vessel was operating in the spot market.

”This fixture to a charterer that the Company has developed a longstanding strategic relationship with, is a testament to our vessels’ operational capabilities and reaffirms our confidence in an improving environment, particularly for product tankers” Mr. Nikolas P. Tsakos, President & CEO of TEN stated. ”The recent appetite of charterers in all segments of the tanker market is encouraging and falls in line with our stated policy for medium to long term charters to well known oil concerns. We are confident that following this charter and in view of the size and quality of our fleet the Company will be in position to announce further fixtures in the near future that will provide the Company with additional layers of secured revenues for the years to come.” Mr. Tsakos concluded.

About Tsakos Energy Navigation

TEN's pro forma fleet consists of 50 vessels of 5.3 million dwt, 21 of which are of ice-class design. TEN’s remaining newbuilding program includes two suezmax tankers totaling about 316,000 dwt.

TEN's balanced operational fleet profile is reflected in 21 crude tankers ranging from VLCCs to aframaxes and 24 product carriers ranging from aframaxes to handysize; complemented by one LNG carrier.

Detailed report at: www.tenn.gr

Tsakos Energy Navigation press release