Omega Navigation Enterprises, Inc. Revises the Record Date of Its First Quarter, 2008 Quarterly Cash Dividend of $0.50 per Common Share

PIRAEUS, GREECE--(Marketwire - May 8, 2008) - Omega Navigation Enterprises, Inc. (NASDAQ: ONAV) (SGX: ONAV50), a provider of global marine transportation services focusing on product tankers, announced today that due to a Singapore public holiday on May 19, 2008 the Company is changing the record date pertaining to its first quarter dividend of $0.50 per share to May 20th, 2008.

The Company previously announced that its Board of Directors declared a quarterly cash dividend with respect to the first quarter of 2008 of $0.50 per common share, payable on May 30, 2008 to stockholders of record on May 19, 2008. This is the eighth consecutive dividend of $0.50 per share paid to investors since the Company went public in April 2006.

About Omega Navigation Enterprises, Inc.

Omega Navigation Enterprises, Inc. is an international provider of global marine transportation services through the ownership and operation of eight double hull product tankers. The current fleet includes eight double hull product tankers with a carrying capacity of 512,358 dwt. These eight product tankers are chartered out under three-year period time charters. Furthermore, the company also announced the signing of shipbuilding contracts to construct and acquire five newbuilding double hull Handymax product tankers each with a capacity of 37,000 dwt scheduled for delivery between March 2010 and early in 2011. With the addition of these five vessels, the Omega fleet will expand to 13 product tankers with a total deadweight capacity of 697,358 tons.

The Company was incorporated in the Marshall Islands in February 2005. Its principal executive offices are located in Piraeus, Greece and it also maintains an office in the United States.

Omega Navigation's Class A common shares are traded on the NASDAQ National Market under the symbol "ONAV" and are also listed on the Singapore Exchange Securities Trading Limited under the symbol "ONAV 50."

Cautionary Statement Regarding Forward-Looking Statements:

Matters discussed in this press release may constitute forward-looking statements. The Private Securities Litigation Reform Act of 1995 provides safe harbor protections for forward-looking statements in order to encourage companies to provide prospective information about their business. Forward-looking statements include statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements, which are other than statements of historical facts.

The Company desires to take advantage of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and is including this cautionary statement in connection with this safe harbor legislation. The words "believe," "except," "anticipate," "intends," "estimate," "forecast," "project," "plan," "potential," "will," "may," "should," "expect" pending and similar expressions identify forward-looking statements.

The forward-looking statements in this press release are based upon various assumptions, many of which are based, in turn, upon further assumptions, including without limitation, the Company's management's examination of historical operating trends, data contained in the Company's records and other data available from third parties. Although the Company believes that these assumptions were reasonable when made, because these assumptions are inherently subject to significant uncertainties and contingencies which are difficult or impossible to predict and are beyond the Company's control, the Company cannot assure you that the Company will achieve or accomplish these expectations, beliefs or projections.

In addition to these important factors other important factors that, in the Company's view, could cause actual results to differ materially from those discussed in the forward-looking statements include the strength of world economies and currencies, general market conditions, including fluctuations in charter rates and vessel values, changes in demand for product tanker and dry bulk shipping capacity, changes in the Company's operating expenses, including bunker prices, drydocking and insurance costs, the market for the Company's vessels, availability of financing and refinancing, changes in governmental rules and regulations or actions taken by regulatory authorities, potential liability from pending or future litigation, general domestic and international political conditions, potential disruption of shipping routes due to accidents or political events, vessels breakdowns and instances of off-hires and other factors. Please see the Company's filings with the Securities and Exchange Commission for a more complete discussion of these and other risks and uncertainties.

Contact Information: Contacts: Company Contact: Gregory A. McGrath Chief Financial Officer Omega Navigation Enterprises, Inc. PO Box 272 Convent Station, NJ 07961 Tel. (551) 580-0532 E-mail: gmcgrath@omeganavigation.com www.omeganavigation.com Investor Relations / Financial Media: Nicolas Bornozis President Capital Link, Inc. 230 Park Avenue, Suite 1536 New York, NY 10169 Tel. (212) 661-7566 E-mail: nbornozis@capitallink.com www.capitallink.com