PIRAEUS, GREECE -- (Marketwire) -- 05/21/09 -- Omega Navigation Enterprises, Inc. (NASDAQ: ONAV) (SGX: ONAV50), a provider of global marine transportation services focusing on product tankers, announced today that it will release its results for the first quarter ended March 31, 2009, after the close of the market on Monday, June 1, 2009.

On Tuesday, June 2, 2009, at 10:00 am EDT, the company's management will host a conference call to discuss the results, as well as providing an update on the company.

Conference Call Details:

Participants should dial into the call 10 minutes before the scheduled time using the following numbers: 1-866-819-7111 (US Toll Free Dial In), 0800-953-0329 (UK Toll Free Dial In) or +44 (0)1452-542-301 (Standard International Dial In). Please quote "Omega."

A telephonic replay of the conference call will be available until June 9, 2009 by dialing 1-866-247-4222 (US Toll Free Dial In), 0800-953-1533 (UK Toll Free Dial In) or +44(0)1452-55-00-00 (Standard International Dial In). Access Code: 3663884#.

Slide and Audio Webcast:

There will also be a live, and then archived, webcast of the conference call, that can be accessed through Omega Navigation's website at www.omeganavigation.com. Participants to the live webcast should register on the website approximately 10 minutes prior to the start of the webcast.

About Omega Navigation Enterprises, Inc.

Omega Navigation Enterprises, Inc. is an international provider of global marine transportation services through the ownership and operation of nine double hull product tankers. The current fleet includes nine double hull product tankers with a carrying capacity of 559,358 dwt., of which one double hull product tanker, with a capacity of 47,000 dwt., is owned through a 50/50 joint venture with Glencore International AG (through wholly owned subsidiaries). These nine product tankers are chartered out under period time charters. Furthermore, the company has also announced the signing of shipbuilding contracts in June of 2007 to construct and acquire five additional product tankers with a capacity of 37,000 dwt. each scheduled for delivery between March 2010 and early in 2011. The company also announced in May of 2008 that it had entered into an agreement with an unrelated third party to purchase one newbuilding 47,000 dwt. coated product / chemical tanker under construction at Hyundai Mipo Dockyard in South Korea, scheduled to be delivered in the third quarter of 2010.

The Company was incorporated in the Marshall Islands in February 2005.